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1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the License
10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11  * or implied. See the License for the specific language governing permissions and limitations under
12  * the License.
13  */
14 
15 package android.telecom;
16 
17 import static android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE;
18 
19 import android.Manifest;
20 import android.annotation.IntDef;
21 import android.annotation.NonNull;
22 import android.annotation.Nullable;
23 import android.annotation.RequiresFeature;
24 import android.annotation.RequiresPermission;
25 import android.annotation.SuppressAutoDoc;
26 import android.annotation.SuppressLint;
27 import android.annotation.SystemApi;
28 import android.annotation.SystemService;
29 import android.compat.annotation.ChangeId;
30 import android.compat.annotation.EnabledSince;
31 import android.compat.annotation.UnsupportedAppUsage;
32 import android.content.ComponentName;
33 import android.content.Context;
34 import android.content.Intent;
35 import android.content.pm.PackageManager;
36 import android.net.Uri;
37 import android.os.Build;
38 import android.os.Bundle;
39 import android.os.IBinder;
40 import android.os.Process;
41 import android.os.RemoteException;
42 import android.os.ServiceManager;
43 import android.os.UserHandle;
44 import android.telephony.Annotation.CallState;
45 import android.telephony.SubscriptionManager;
46 import android.telephony.TelephonyManager;
47 import android.text.TextUtils;
48 import android.util.Log;
49 
50 import com.android.internal.annotations.GuardedBy;
51 import com.android.internal.telecom.ITelecomService;
52 
53 import java.lang.annotation.Retention;
54 import java.lang.annotation.RetentionPolicy;
55 import java.util.ArrayList;
56 import java.util.Collections;
57 import java.util.List;
58 import java.util.Objects;
59 import java.util.concurrent.Executor;
60 
61 /**
62  * Provides access to information about active calls and registration/call-management functionality.
63  * Apps can use methods in this class to determine the current call state.
64  * <p>
65  * Apps do not instantiate this class directly; instead, they retrieve a reference to an instance
66  * through {@link Context#getSystemService Context.getSystemService(Context.TELECOM_SERVICE)}.
67  * <p>
68  * Note that access to some telecom information is permission-protected. Your app cannot access the
69  * protected information or gain access to protected functionality unless it has the appropriate
70  * permissions declared in its manifest file. Where permissions apply, they are noted in the method
71  * descriptions.
72  */
73 @SuppressAutoDoc
74 @SystemService(Context.TELECOM_SERVICE)
75 @RequiresFeature(PackageManager.FEATURE_TELECOM)
76 public class TelecomManager {
77 
78     /**
79      * Activity action: Starts the UI for handing an incoming call. This intent starts the in-call
80      * UI by notifying the Telecom system that an incoming call exists for a specific call service
81      * (see {@link android.telecom.ConnectionService}). Telecom reads the Intent extras to find
82      * and bind to the appropriate {@link android.telecom.ConnectionService} which Telecom will
83      * ultimately use to control and get information about the call.
84      * <p>
85      * Input: get*Extra field {@link #EXTRA_PHONE_ACCOUNT_HANDLE} contains the component name of the
86      * {@link android.telecom.ConnectionService} that Telecom should bind to. Telecom will then
87      * ask the connection service for more information about the call prior to showing any UI.
88      *
89      * @deprecated Use {@link #addNewIncomingCall} instead.
90      */
91     public static final String ACTION_INCOMING_CALL = "android.telecom.action.INCOMING_CALL";
92 
93     /**
94      * Similar to {@link #ACTION_INCOMING_CALL}, but is used only by Telephony to add a new
95      * sim-initiated MO call for carrier testing.
96      * @deprecated Use {@link #addNewUnknownCall} instead.
97      * @hide
98      */
99     public static final String ACTION_NEW_UNKNOWN_CALL = "android.telecom.action.NEW_UNKNOWN_CALL";
100 
101     /**
102      * An {@link android.content.Intent} action sent by the telecom framework to start a
103      * configuration dialog for a registered {@link PhoneAccount}. There is no default dialog
104      * and each app that registers a {@link PhoneAccount} should provide one if desired.
105      * <p>
106      * A user can access the list of enabled {@link android.telecom.PhoneAccount}s through the Phone
107      * app's settings menu. For each entry, the settings app will add a click action. When
108      * triggered, the click-action will start this intent along with the extra
109      * {@link #EXTRA_PHONE_ACCOUNT_HANDLE} to indicate the {@link PhoneAccount} to configure. If the
110      * {@link PhoneAccount} package does not register an {@link android.app.Activity} for this
111      * intent, then it will not be sent.
112      */
113     public static final String ACTION_CONFIGURE_PHONE_ACCOUNT =
114             "android.telecom.action.CONFIGURE_PHONE_ACCOUNT";
115 
116     /**
117      * The {@link android.content.Intent} action used to show the call accessibility settings page.
118      */
119     public static final String ACTION_SHOW_CALL_ACCESSIBILITY_SETTINGS =
120             "android.telecom.action.SHOW_CALL_ACCESSIBILITY_SETTINGS";
121 
122     /**
123      * The {@link android.content.Intent} action used to show the call settings page.
124      */
125     public static final String ACTION_SHOW_CALL_SETTINGS =
126             "android.telecom.action.SHOW_CALL_SETTINGS";
127 
128     /**
129      * The {@link android.content.Intent} action used to show the respond via SMS settings page.
130      */
131     public static final String ACTION_SHOW_RESPOND_VIA_SMS_SETTINGS =
132             "android.telecom.action.SHOW_RESPOND_VIA_SMS_SETTINGS";
133 
134     /**
135      * The {@link android.content.Intent} action used to show the settings page used to configure
136      * {@link PhoneAccount} preferences.
137      */
138     public static final String ACTION_CHANGE_PHONE_ACCOUNTS =
139             "android.telecom.action.CHANGE_PHONE_ACCOUNTS";
140 
141     /**
142      * {@link android.content.Intent} action used indicate that a new phone account was just
143      * registered.
144      * <p>
145      * The Intent {@link Intent#getExtras() extras} will contain {@link #EXTRA_PHONE_ACCOUNT_HANDLE}
146      * to indicate which {@link PhoneAccount} was registered.
147      * <p>
148      * Will only be sent to the default dialer app (see {@link #getDefaultDialerPackage()}).
149      */
150     public static final String ACTION_PHONE_ACCOUNT_REGISTERED =
151             "android.telecom.action.PHONE_ACCOUNT_REGISTERED";
152 
153     /**
154      * {@link android.content.Intent} action used indicate that a phone account was just
155      * unregistered.
156      * <p>
157      * The Intent {@link Intent#getExtras() extras} will contain {@link #EXTRA_PHONE_ACCOUNT_HANDLE}
158      * to indicate which {@link PhoneAccount} was unregistered.
159      * <p>
160      * Will only be sent to the default dialer app (see {@link #getDefaultDialerPackage()}).
161      */
162     public static final String ACTION_PHONE_ACCOUNT_UNREGISTERED =
163             "android.telecom.action.PHONE_ACCOUNT_UNREGISTERED";
164 
165     /**
166      * Activity action: Shows a dialog asking the user whether or not they want to replace the
167      * current default Dialer with the one specified in
168      * {@link #EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME}.
169      *
170      * Usage example:
171      * <pre>
172      * Intent intent = new Intent(TelecomManager.ACTION_CHANGE_DEFAULT_DIALER);
173      * intent.putExtra(TelecomManager.EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME,
174      *         getActivity().getPackageName());
175      * startActivity(intent);
176      * </pre>
177      * <p>
178      * This is no longer supported since Q, please use
179      * {@link android.app.role.RoleManager#createRequestRoleIntent(String)} with
180      * {@link android.app.role.RoleManager#ROLE_DIALER} instead.
181      */
182     public static final String ACTION_CHANGE_DEFAULT_DIALER =
183             "android.telecom.action.CHANGE_DEFAULT_DIALER";
184 
185     /**
186      * Broadcast intent action indicating that the current default dialer has changed.
187      * The string extra {@link #EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME} will contain the
188      * name of the package that the default dialer was changed to.
189      *
190      * @see #EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME
191      */
192     public static final String ACTION_DEFAULT_DIALER_CHANGED =
193             "android.telecom.action.DEFAULT_DIALER_CHANGED";
194 
195     /**
196      * Extra value used to provide the package name for {@link #ACTION_CHANGE_DEFAULT_DIALER}.
197      */
198     public static final String EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME =
199             "android.telecom.extra.CHANGE_DEFAULT_DIALER_PACKAGE_NAME";
200 
201     /**
202      * Broadcast intent action indicating that the current default call screening app has changed.
203      * <p>
204      * Note: This intent is NEVER actually broadcast and will be deprecated in the future.
205      * <p>
206      * An app that want to know if it holds the
207      * {@link android.app.role.RoleManager#ROLE_CALL_SCREENING} role can use
208      * {@link android.app.role.RoleManager#isRoleHeld(String)} to confirm if it holds the role or
209      * not.
210      */
211     public static final String ACTION_DEFAULT_CALL_SCREENING_APP_CHANGED =
212         "android.telecom.action.DEFAULT_CALL_SCREENING_APP_CHANGED";
213 
214     /**
215      * Extra value used with {@link #ACTION_DEFAULT_CALL_SCREENING_APP_CHANGED} broadcast to
216      * indicate the ComponentName of the call screening app which has changed.
217      * <p>
218      * Note: This extra is NOT used and will be deprecated in the future.
219      */
220     public static final String EXTRA_DEFAULT_CALL_SCREENING_APP_COMPONENT_NAME =
221             "android.telecom.extra.DEFAULT_CALL_SCREENING_APP_COMPONENT_NAME";
222 
223     /**
224      * Extra value used with {@link #ACTION_DEFAULT_CALL_SCREENING_APP_CHANGED} broadcast to
225      * indicate whether an app is the default call screening app.
226      * <p>
227      * Note: This extra is NOT used and will be deprecated in the future.
228      */
229     public static final String EXTRA_IS_DEFAULT_CALL_SCREENING_APP =
230             "android.telecom.extra.IS_DEFAULT_CALL_SCREENING_APP";
231 
232     /**
233      * Optional extra for {@link android.content.Intent#ACTION_CALL} containing a boolean that
234      * determines whether the speakerphone should be automatically turned on for an outgoing call.
235      */
236     public static final String EXTRA_START_CALL_WITH_SPEAKERPHONE =
237             "android.telecom.extra.START_CALL_WITH_SPEAKERPHONE";
238 
239     /**
240      * Optional extra for {@link android.content.Intent#ACTION_CALL} containing an integer that
241      * determines the desired video state for an outgoing call.
242      * Valid options:
243      * {@link VideoProfile#STATE_AUDIO_ONLY},
244      * {@link VideoProfile#STATE_BIDIRECTIONAL},
245      * {@link VideoProfile#STATE_RX_ENABLED},
246      * {@link VideoProfile#STATE_TX_ENABLED}.
247      */
248     public static final String EXTRA_START_CALL_WITH_VIDEO_STATE =
249             "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";
250 
251     /**
252      * Optional extra for {@link #addNewIncomingCall(PhoneAccountHandle, Bundle)} containing an
253      * integer that determines the requested video state for an incoming call.
254      * Valid options:
255      * {@link VideoProfile#STATE_AUDIO_ONLY},
256      * {@link VideoProfile#STATE_BIDIRECTIONAL},
257      * {@link VideoProfile#STATE_RX_ENABLED},
258      * {@link VideoProfile#STATE_TX_ENABLED}.
259      */
260     public static final String EXTRA_INCOMING_VIDEO_STATE =
261             "android.telecom.extra.INCOMING_VIDEO_STATE";
262 
263     /**
264      * The extra used with an {@link android.content.Intent#ACTION_CALL} and
265      * {@link android.content.Intent#ACTION_DIAL} {@code Intent} to specify a
266      * {@link PhoneAccountHandle} to use when making the call.
267      * <p class="note">
268      * Retrieve with {@link android.content.Intent#getParcelableExtra(String)}.
269      */
270     public static final String EXTRA_PHONE_ACCOUNT_HANDLE =
271             "android.telecom.extra.PHONE_ACCOUNT_HANDLE";
272 
273     /**
274      * Optional extra for {@link android.content.Intent#ACTION_CALL} containing a string call
275      * subject which will be associated with an outgoing call.  Should only be specified if the
276      * {@link PhoneAccount} supports the capability {@link PhoneAccount#CAPABILITY_CALL_SUBJECT}
277      * or {@link PhoneAccount#CAPABILITY_CALL_COMPOSER}.
278      */
279     public static final String EXTRA_CALL_SUBJECT = "android.telecom.extra.CALL_SUBJECT";
280 
281     // Values for EXTRA_PRIORITY
282     /**
283      * Indicates the call composer call priority is normal.
284      *
285      * Reference: RCC.20 Section 2.4.4.2
286      */
287     public static final int PRIORITY_NORMAL = 0;
288 
289     /**
290      * Indicates the call composer call priority is urgent.
291      *
292      * Reference: RCC.20 Section 2.4.4.2
293      */
294     public static final int PRIORITY_URGENT = 1;
295 
296     /**
297      * Extra for the call composer call priority, either {@link #PRIORITY_NORMAL} or
298      * {@link #PRIORITY_URGENT}.
299      *
300      * Reference: RCC.20 Section 2.4.4.2
301      */
302     public static final String EXTRA_PRIORITY = "android.telecom.extra.PRIORITY";
303 
304     /**
305      * Extra for the call composer call location, an {@link android.location.Location} parcelable
306      * class to represent the geolocation as a latitude and longitude pair.
307      *
308      * Reference: RCC.20 Section 2.4.3.2
309      */
310     public static final String EXTRA_LOCATION = "android.telecom.extra.LOCATION";
311 
312     /**
313      * A boolean extra set on incoming calls to indicate that the call has a picture specified.
314      * Given that image download could take a (short) time, the EXTRA is set immediately upon
315      * adding the call to the Dialer app, this allows the Dialer app to reserve space for an image
316      * if one is expected. The EXTRA may be unset if the image download ends up failing for some
317      * reason.
318      */
319     public static final String EXTRA_HAS_PICTURE = "android.telecom.extra.HAS_PICTURE";
320 
321     /**
322      * A {@link Uri} representing the picture that was downloaded when a call is received or
323      * uploaded when a call is placed.
324      *
325      * This is a content URI within the call log provider which can be used to open a file
326      * descriptor. This could be set a short time after a call is added to the Dialer app if the
327      * download/upload is delayed for some reason. The Dialer app will receive a callback via
328      * {@link Call.Callback#onDetailsChanged} when this value has changed.
329      *
330      * Reference: RCC.20 Section 2.4.3.2
331      */
332     public static final String EXTRA_PICTURE_URI = "android.telecom.extra.PICTURE_URI";
333 
334     /**
335      * A ParcelUuid used as a token to represent a picture that was uploaded prior to the call
336      * being placed. The value of this extra should be set using the {@link android.os.ParcelUuid}
337      * obtained from the callback in {@link TelephonyManager#uploadCallComposerPicture}.
338      */
339     public static final String EXTRA_OUTGOING_PICTURE = "android.telecom.extra.OUTGOING_PICTURE";
340 
341     /**
342      * The extra used by a {@link ConnectionService} to provide the handle of the caller that
343      * has initiated a new incoming call.
344      */
345     public static final String EXTRA_INCOMING_CALL_ADDRESS =
346             "android.telecom.extra.INCOMING_CALL_ADDRESS";
347 
348     /**
349      * Optional extra for {@link #ACTION_INCOMING_CALL} containing a {@link Bundle} which contains
350      * metadata about the call. This {@link Bundle} will be returned to the
351      * {@link ConnectionService}.
352      */
353     public static final String EXTRA_INCOMING_CALL_EXTRAS =
354             "android.telecom.extra.INCOMING_CALL_EXTRAS";
355 
356     /**
357      * Optional extra for {@link #addNewIncomingCall(PhoneAccountHandle, Bundle)} used to indicate
358      * that a call has an in-band ringtone associated with it.  This is used when the device is
359      * acting as an HFP headset and the Bluetooth stack has received an in-band ringtone from the
360      * the HFP host which must be played instead of any local ringtone the device would otherwise
361      * have generated.
362      *
363      * @hide
364      */
365     @SystemApi
366     public static final String EXTRA_CALL_HAS_IN_BAND_RINGTONE =
367             "android.telecom.extra.CALL_HAS_IN_BAND_RINGTONE";
368 
369     /**
370      * Optional extra for {@link android.content.Intent#ACTION_CALL} and
371      * {@link android.content.Intent#ACTION_DIAL} {@code Intent} containing a {@link Bundle}
372      * which contains metadata about the call. This {@link Bundle} will be saved into
373      * {@code Call.Details} and passed to the {@link ConnectionService} when placing the call.
374      */
375     public static final String EXTRA_OUTGOING_CALL_EXTRAS =
376             "android.telecom.extra.OUTGOING_CALL_EXTRAS";
377 
378     /**
379      * An optional boolean extra on {@link android.content.Intent#ACTION_CALL_EMERGENCY} to tell
380      * whether the user's dial intent is emergency; this is required to specify when the dialed
381      * number is ambiguous, identified as both emergency number and any other non-emergency number;
382      * e.g. in some situation, 611 could be both an emergency number in a country and a
383      * non-emergency number of a carrier's customer service hotline.
384      *
385      * @hide
386      */
387     @SystemApi
388     public static final String EXTRA_IS_USER_INTENT_EMERGENCY_CALL =
389             "android.telecom.extra.IS_USER_INTENT_EMERGENCY_CALL";
390 
391     /**
392      * A mandatory extra containing a {@link Uri} to be passed in when calling
393      * {@link #addNewUnknownCall(PhoneAccountHandle, Bundle)}. The {@link Uri} value indicates
394      * the remote handle of the new call.
395      * @hide
396      */
397     @SystemApi
398     public static final String EXTRA_UNKNOWN_CALL_HANDLE =
399             "android.telecom.extra.UNKNOWN_CALL_HANDLE";
400 
401     /**
402      * Optional extra for incoming and outgoing calls containing a long which specifies the time the
403      * call was created. This value is in milliseconds since boot.
404      * @hide
405      */
406     public static final String EXTRA_CALL_CREATED_TIME_MILLIS =
407             "android.telecom.extra.CALL_CREATED_TIME_MILLIS";
408 
409     /**
410      * Optional extra for incoming and outgoing calls containing a long which specifies the Epoch
411      * time the call was created.
412      * @hide
413      */
414     public static final String EXTRA_CALL_CREATED_EPOCH_TIME_MILLIS =
415             "android.telecom.extra.CALL_CREATED_EPOCH_TIME_MILLIS";
416 
417     /**
418      * Optional extra for incoming and outgoing calls containing a long which specifies the time
419      * telecom began routing the call. This value is in milliseconds since boot.
420      * @hide
421      */
422     public static final String EXTRA_CALL_TELECOM_ROUTING_START_TIME_MILLIS =
423             "android.telecom.extra.CALL_TELECOM_ROUTING_START_TIME_MILLIS";
424 
425     /**
426      * Optional extra for incoming and outgoing calls containing a long which specifies the time
427      * telecom finished routing the call. This value is in milliseconds since boot.
428      * @hide
429      */
430     public static final String EXTRA_CALL_TELECOM_ROUTING_END_TIME_MILLIS =
431             "android.telecom.extra.CALL_TELECOM_ROUTING_END_TIME_MILLIS";
432 
433     /**
434      * Optional extra for {@link android.telephony.TelephonyManager#ACTION_PHONE_STATE_CHANGED}
435      * containing the disconnect code.
436      */
437     public static final String EXTRA_CALL_DISCONNECT_CAUSE =
438             "android.telecom.extra.CALL_DISCONNECT_CAUSE";
439 
440     /**
441      * Optional extra for {@link android.telephony.TelephonyManager#ACTION_PHONE_STATE_CHANGED}
442      * containing the disconnect message.
443      */
444     public static final String EXTRA_CALL_DISCONNECT_MESSAGE =
445             "android.telecom.extra.CALL_DISCONNECT_MESSAGE";
446 
447     /**
448      * A string value for {@link #EXTRA_CALL_DISCONNECT_MESSAGE}, indicates the call was dropped by
449      * lower layers
450      * @hide
451      */
452     public static final String CALL_AUTO_DISCONNECT_MESSAGE_STRING =
453             "Call dropped by lower layers";
454 
455     /**
456      * Optional extra for {@link android.telephony.TelephonyManager#ACTION_PHONE_STATE_CHANGED}
457      * containing the component name of the associated connection service.
458      * @hide
459      */
460     @SystemApi
461     public static final String EXTRA_CONNECTION_SERVICE =
462             "android.telecom.extra.CONNECTION_SERVICE";
463 
464     /**
465      * Optional extra for communicating the call technology used by a {@link ConnectionService}
466      * to Telecom. Valid values are:
467      * <ul>
468      *     <li>{@link TelephonyManager#PHONE_TYPE_CDMA}</li>
469      *     <li>{@link TelephonyManager#PHONE_TYPE_GSM}</li>
470      *     <li>{@link TelephonyManager#PHONE_TYPE_IMS}</li>
471      *     <li>{@link TelephonyManager#PHONE_TYPE_THIRD_PARTY}</li>
472      *     <li>{@link TelephonyManager#PHONE_TYPE_SIP}</li>
473      * </ul>
474      * @hide
475      */
476     @SystemApi
477     public static final String EXTRA_CALL_TECHNOLOGY_TYPE =
478             "android.telecom.extra.CALL_TECHNOLOGY_TYPE";
479 
480     /**
481      * Optional extra for communicating the call network technology used by a
482      * {@link android.telecom.Connection} to Telecom and InCallUI.
483      *
484      * {@code NETWORK_TYPE_*} in {@link android.telephony.TelephonyManager}.
485      */
486     public static final String EXTRA_CALL_NETWORK_TYPE =
487             "android.telecom.extra.CALL_NETWORK_TYPE";
488 
489     /**
490      * An optional {@link android.content.Intent#ACTION_CALL} intent extra denoting the
491      * package name of the app specifying an alternative gateway for the call.
492      * The value is a string.
493      *
494      * (The following comment corresponds to the all GATEWAY_* extras)
495      * An app which sends the {@link android.content.Intent#ACTION_CALL} intent can specify an
496      * alternative address to dial which is different from the one specified and displayed to
497      * the user. This alternative address is referred to as the gateway address.
498      */
499     public static final String GATEWAY_PROVIDER_PACKAGE =
500             "android.telecom.extra.GATEWAY_PROVIDER_PACKAGE";
501 
502     /**
503      * An optional {@link android.content.Intent#ACTION_CALL} intent extra corresponding to the
504      * original address to dial for the call. This is used when an alternative gateway address is
505      * provided to recall the original address.
506      * The value is a {@link android.net.Uri}.
507      *
508      * (See {@link #GATEWAY_PROVIDER_PACKAGE} for details)
509      */
510     public static final String GATEWAY_ORIGINAL_ADDRESS =
511             "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";
512 
513     /**
514      * The number which the party on the other side of the line will see (and use to return the
515      * call).
516      * <p>
517      * {@link ConnectionService}s which interact with {@link RemoteConnection}s should only populate
518      * this if the {@link android.telephony.TelephonyManager#getLine1Number()} value, as that is the
519      * user's expected caller ID.
520      */
521     public static final String EXTRA_CALL_BACK_NUMBER = "android.telecom.extra.CALL_BACK_NUMBER";
522 
523     /**
524      * The number of milliseconds that Telecom should wait after disconnecting a call via the
525      * ACTION_NEW_OUTGOING_CALL broadcast, in order to wait for the app which cancelled the call
526      * to make a new one.
527      * @hide
528      */
529     public static final String EXTRA_NEW_OUTGOING_CALL_CANCEL_TIMEOUT =
530             "android.telecom.extra.NEW_OUTGOING_CALL_CANCEL_TIMEOUT";
531 
532     /**
533      * Boolean extra specified to indicate that the intention of adding a call is to handover an
534      * existing call from the user's device to a different {@link PhoneAccount}.
535      * <p>
536      * Used when calling {@link #addNewIncomingCall(PhoneAccountHandle, Bundle)}
537      * to indicate to Telecom that the purpose of adding a new incoming call is to handover an
538      * existing call from the user's device to a different {@link PhoneAccount}.  This occurs on
539      * the receiving side of a handover.
540      * <p>
541      * Used when Telecom calls
542      * {@link ConnectionService#onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}
543      * to indicate that the purpose of Telecom requesting a new outgoing connection it to request
544      * a handover to this {@link ConnectionService} from an ongoing call on the user's device.  This
545      * occurs on the initiating side of a handover.
546      * <p>
547      * The phone number of the call used by Telecom to determine which call should be handed over.
548      * @hide
549      * @deprecated Use the public handover APIs.  See
550      * {@link Call#handoverTo(PhoneAccountHandle, int, Bundle)} for more information.
551      */
552     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 119305590)
553     public static final String EXTRA_IS_HANDOVER = "android.telecom.extra.IS_HANDOVER";
554 
555     /**
556      * When {@code true} indicates that a request to create a new connection is for the purpose of
557      * a handover.  Note: This is used with the
558      * {@link android.telecom.Call#handoverTo(PhoneAccountHandle, int, Bundle)} API as part of the
559      * internal communication mechanism with the {@link android.telecom.ConnectionService}.  It is
560      * not the same as the legacy {@link #EXTRA_IS_HANDOVER} extra.
561      * @hide
562      */
563     public static final String EXTRA_IS_HANDOVER_CONNECTION =
564             "android.telecom.extra.IS_HANDOVER_CONNECTION";
565 
566     /**
567      * Parcelable extra used with {@link #EXTRA_IS_HANDOVER} to indicate the source
568      * {@link PhoneAccountHandle} when initiating a handover which {@link ConnectionService}
569      * the handover is from.
570      * @hide
571      */
572     public static final String EXTRA_HANDOVER_FROM_PHONE_ACCOUNT =
573             "android.telecom.extra.HANDOVER_FROM_PHONE_ACCOUNT";
574 
575     /**
576      * Extra key specified in the {@link ConnectionRequest#getExtras()} when Telecom calls
577      * {@link ConnectionService#onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}
578      * to inform the {@link ConnectionService} what the initial {@link CallAudioState} of the
579      * {@link Connection} will be.
580      * @hide
581      */
582     public static final String EXTRA_CALL_AUDIO_STATE = "android.telecom.extra.CALL_AUDIO_STATE";
583 
584     /**
585      * A boolean extra, which when set on the {@link Intent#ACTION_CALL} intent or on the bundle
586      * passed into {@link #placeCall(Uri, Bundle)}, indicates that the call should be initiated with
587      * an RTT session open. See {@link android.telecom.Call.RttCall} for more information on RTT.
588      */
589     public static final String EXTRA_START_CALL_WITH_RTT =
590             "android.telecom.extra.START_CALL_WITH_RTT";
591 
592     /**
593      * Start an activity indicating that the completion of an outgoing call or an incoming call
594      * which was not blocked by the {@link CallScreeningService}, and which was NOT terminated
595      * while the call was in {@link Call#STATE_AUDIO_PROCESSING}.
596      *
597      * The {@link Uri} extra {@link #EXTRA_HANDLE} will contain the uri handle(phone number) for the
598      * call which completed.
599      *
600      * The integer extra {@link #EXTRA_DISCONNECT_CAUSE} will indicate the reason for the call
601      * disconnection. See {@link #EXTRA_DISCONNECT_CAUSE} for more information.
602      *
603      * The integer extra {@link #EXTRA_CALL_DURATION} will indicate the duration of the call. See
604      * {@link #EXTRA_CALL_DURATION} for more information.
605      */
606     public static final String ACTION_POST_CALL = "android.telecom.action.POST_CALL";
607 
608     /**
609      * A {@link Uri} extra, which when set on the {@link #ACTION_POST_CALL} intent, indicates the
610      * uri handle(phone number) of the completed call.
611      */
612     public static final String EXTRA_HANDLE = "android.telecom.extra.HANDLE";
613 
614     /**
615      * A integer value provided for completed calls to indicate the reason for the call
616      * disconnection.
617      * <p>
618      * Allowed values:
619      * <ul>
620      * <li>{@link DisconnectCause#UNKNOWN}</li>
621      * <li>{@link DisconnectCause#LOCAL}</li>
622      * <li>{@link DisconnectCause#REMOTE}</li>
623      * <li>{@link DisconnectCause#REJECTED}</li>
624      * <li>{@link DisconnectCause#MISSED}</li>
625      * </ul>
626      * </p>
627      */
628     public static final String EXTRA_DISCONNECT_CAUSE = "android.telecom.extra.DISCONNECT_CAUSE";
629 
630     /**
631      * A integer value provided for completed calls to indicate the duration of the call.
632      * <p>
633      * Allowed values:
634      * <ul>
635      * <li>{@link #DURATION_VERY_SHORT}</li>
636      * <li>{@link #DURATION_SHORT}</li>
637      * <li>{@link #DURATION_MEDIUM}</li>
638      * <li>{@link #DURATION_LONG}</li>
639      * </ul>
640      * </p>
641      */
642     public static final String EXTRA_CALL_DURATION = "android.telecom.extra.CALL_DURATION";
643 
644     /**
645      * A integer value for {@link #EXTRA_CALL_DURATION}, indicates the duration of the completed
646      * call was < 3 seconds.
647      */
648     public static final int DURATION_VERY_SHORT = 0;
649 
650     /**
651      * A integer value for {@link #EXTRA_CALL_DURATION}, indicates the duration of the completed
652      * call was >= 3 seconds and < 60 seconds.
653      */
654     public static final int DURATION_SHORT = 1;
655 
656     /**
657      * A integer value for {@link #EXTRA_CALL_DURATION}, indicates the duration of the completed
658      * call was >= 60 seconds and < 120 seconds.
659      */
660     public static final int DURATION_MEDIUM = 2;
661 
662     /**
663      * A integer value for {@link #EXTRA_CALL_DURATION}, indicates the duration of the completed
664      * call was >= 120 seconds.
665      */
666     public static final int DURATION_LONG = 3;
667 
668     /**
669      * The threshold between {@link #DURATION_VERY_SHORT} calls and {@link #DURATION_SHORT} calls in
670      * milliseconds.
671      * @hide
672      */
673     public static final long VERY_SHORT_CALL_TIME_MS = 3000;
674 
675     /**
676      * The threshold between {@link #DURATION_SHORT} calls and {@link #DURATION_MEDIUM} calls in
677      * milliseconds.
678      * @hide
679      */
680     public static final long SHORT_CALL_TIME_MS = 60000;
681 
682     /**
683      * The threshold between {@link #DURATION_MEDIUM} calls and {@link #DURATION_LONG} calls in
684      * milliseconds.
685      * @hide
686      */
687     public static final long MEDIUM_CALL_TIME_MS = 120000;
688 
689     /**
690      * A boolean meta-data value indicating whether an {@link InCallService} implements an
691      * in-call user interface. Dialer implementations (see {@link #getDefaultDialerPackage()}) which
692      * would also like to replace the in-call interface should set this meta-data to {@code true} in
693      * the manifest registration of their {@link InCallService}.
694      */
695     public static final String METADATA_IN_CALL_SERVICE_UI = "android.telecom.IN_CALL_SERVICE_UI";
696 
697     /**
698      * A boolean meta-data value indicating whether an {@link InCallService} implements an
699      * in-call user interface to be used while the device is in car-mode (see
700      * {@link android.content.res.Configuration#UI_MODE_TYPE_CAR}).
701      */
702     public static final String METADATA_IN_CALL_SERVICE_CAR_MODE_UI =
703             "android.telecom.IN_CALL_SERVICE_CAR_MODE_UI";
704 
705     /**
706      * A boolean meta-data value indicating whether an {@link InCallService} implements ringing.
707      * Dialer implementations (see {@link #getDefaultDialerPackage()}) which would also like to
708      * override the system provided ringing should set this meta-data to {@code true} in the
709      * manifest registration of their {@link InCallService}.
710      * <p>
711      * When {@code true}, it is the {@link InCallService}'s responsibility to play a ringtone for
712      * all incoming calls.
713      */
714     public static final String METADATA_IN_CALL_SERVICE_RINGING =
715             "android.telecom.IN_CALL_SERVICE_RINGING";
716 
717     /**
718      * A boolean meta-data value indicating whether an {@link InCallService} wants to be informed of
719      * calls which have the {@link Call.Details#PROPERTY_IS_EXTERNAL_CALL} property.  An external
720      * call is one which a {@link ConnectionService} knows about, but is not connected to directly.
721      * Dialer implementations (see {@link #getDefaultDialerPackage()}) which would like to be
722      * informed of external calls should set this meta-data to {@code true} in the manifest
723      * registration of their {@link InCallService}.  By default, the {@link InCallService} will NOT
724      * be informed of external calls.
725      */
726     public static final String METADATA_INCLUDE_EXTERNAL_CALLS =
727             "android.telecom.INCLUDE_EXTERNAL_CALLS";
728 
729     /**
730      * A boolean meta-data value indicating whether an {@link InCallService} wants to be informed of
731      * calls which have the {@link Call.Details#PROPERTY_SELF_MANAGED} property.  A self-managed
732      * call is one which originates from a self-managed {@link ConnectionService} which has chosen
733      * to implement its own call user interface.  An {@link InCallService} implementation which
734      * would like to be informed of external calls should set this meta-data to {@code true} in the
735      * manifest registration of their {@link InCallService}.  By default, the {@link InCallService}
736      * will NOT be informed about self-managed calls.
737      * <p>
738      * An {@link InCallService} which receives self-managed calls is free to view and control the
739      * state of calls in the self-managed {@link ConnectionService}.  An example use-case is
740      * exposing these calls to an automotive device via its companion app.
741      * <p>
742      * This meta-data can only be set for an {@link InCallService} which also sets
743      * {@link #METADATA_IN_CALL_SERVICE_UI}. Only the default phone/dialer app, or a car-mode
744      * {@link InCallService} can see self-managed calls.
745      * <p>
746      * See also {@link Connection#PROPERTY_SELF_MANAGED}.
747      */
748     public static final String METADATA_INCLUDE_SELF_MANAGED_CALLS =
749             "android.telecom.INCLUDE_SELF_MANAGED_CALLS";
750 
751     /**
752      * The dual tone multi-frequency signaling character sent to indicate the dialing system should
753      * pause for a predefined period.
754      */
755     public static final char DTMF_CHARACTER_PAUSE = ',';
756 
757     /**
758      * The dual-tone multi-frequency signaling character sent to indicate the dialing system should
759      * wait for user confirmation before proceeding.
760      */
761     public static final char DTMF_CHARACTER_WAIT = ';';
762 
763     /**
764      * @hide
765      */
766     @IntDef(prefix = { "TTY_MODE_" },
767             value = {TTY_MODE_OFF, TTY_MODE_FULL, TTY_MODE_HCO, TTY_MODE_VCO})
768     @Retention(RetentionPolicy.SOURCE)
769     public @interface TtyMode {}
770 
771     /**
772      * TTY (teletypewriter) mode is off.
773      *
774      * @hide
775      */
776     @SystemApi
777     public static final int TTY_MODE_OFF = 0;
778 
779     /**
780      * TTY (teletypewriter) mode is on. The speaker is off and the microphone is muted. The user
781      * will communicate with the remote party by sending and receiving text messages.
782      *
783      * @hide
784      */
785     @SystemApi
786     public static final int TTY_MODE_FULL = 1;
787 
788     /**
789      * TTY (teletypewriter) mode is in hearing carryover mode (HCO). The microphone is muted but the
790      * speaker is on. The user will communicate with the remote party by sending text messages and
791      * hearing an audible reply.
792      *
793      * @hide
794      */
795     @SystemApi
796     public static final int TTY_MODE_HCO = 2;
797 
798     /**
799      * TTY (teletypewriter) mode is in voice carryover mode (VCO). The speaker is off but the
800      * microphone is still on. User will communicate with the remote party by speaking and receiving
801      * text message replies.
802      *
803      * @hide
804      */
805     @SystemApi
806     public static final int TTY_MODE_VCO = 3;
807 
808     /**
809      * Broadcast intent action indicating that the current TTY mode has changed.
810      *
811      * This intent will contain {@link #EXTRA_CURRENT_TTY_MODE} as an intent extra, giving the new
812      * TTY mode.
813      * @hide
814      */
815     @SystemApi
816     public static final String ACTION_CURRENT_TTY_MODE_CHANGED =
817             "android.telecom.action.CURRENT_TTY_MODE_CHANGED";
818 
819     /**
820      * Integer extra key that indicates the current TTY mode.
821      *
822      * Used with {@link #ACTION_CURRENT_TTY_MODE_CHANGED}.
823      *
824      * Valid modes are:
825      * <ul>
826      *     <li>{@link #TTY_MODE_OFF}</li>
827      *     <li>{@link #TTY_MODE_FULL}</li>
828      *     <li>{@link #TTY_MODE_HCO}</li>
829      *     <li>{@link #TTY_MODE_VCO}</li>
830      * </ul>
831      *
832      * This TTY mode is distinct from the one sent via {@link #ACTION_TTY_PREFERRED_MODE_CHANGED},
833      * since the current TTY mode will always be {@link #TTY_MODE_OFF}unless a TTY terminal is
834      * plugged into the device.
835      * @hide
836      */
837     @SystemApi
838     public static final String EXTRA_CURRENT_TTY_MODE =
839             "android.telecom.extra.CURRENT_TTY_MODE";
840 
841     /**
842      * Broadcast intent action indicating that the TTY preferred operating mode has changed.
843      *
844      * This intent will contain {@link #EXTRA_TTY_PREFERRED_MODE} as an intent extra, giving the new
845      * preferred TTY mode.
846      * @hide
847      */
848     @SystemApi
849     public static final String ACTION_TTY_PREFERRED_MODE_CHANGED =
850             "android.telecom.action.TTY_PREFERRED_MODE_CHANGED";
851 
852     /**
853      * Integer extra key that indicates the preferred TTY mode.
854      *
855      * Used with {@link #ACTION_TTY_PREFERRED_MODE_CHANGED}.
856      *
857      * Valid modes are:
858      * <ul>
859      *     <li>{@link #TTY_MODE_OFF}</li>
860      *     <li>{@link #TTY_MODE_FULL}</li>
861      *     <li>{@link #TTY_MODE_HCO}</li>
862      *     <li>{@link #TTY_MODE_VCO}</li>
863      * </ul>
864      * @hide
865      */
866     @SystemApi
867     public static final String EXTRA_TTY_PREFERRED_MODE =
868             "android.telecom.extra.TTY_PREFERRED_MODE";
869 
870     /**
871      * Broadcast intent action for letting custom component know to show the missed call
872      * notification. If no custom component exists then this is sent to the default dialer which
873      * should post a missed-call notification.
874      */
875     public static final String ACTION_SHOW_MISSED_CALLS_NOTIFICATION =
876             "android.telecom.action.SHOW_MISSED_CALLS_NOTIFICATION";
877 
878     /**
879      * The number of calls associated with the notification. If the number is zero then the missed
880      * call notification should be dismissed.
881      */
882     public static final String EXTRA_NOTIFICATION_COUNT =
883             "android.telecom.extra.NOTIFICATION_COUNT";
884 
885     /**
886      * The number associated with the missed calls. This number is only relevant
887      * when EXTRA_NOTIFICATION_COUNT is 1.
888      */
889     public static final String EXTRA_NOTIFICATION_PHONE_NUMBER =
890             "android.telecom.extra.NOTIFICATION_PHONE_NUMBER";
891 
892     /**
893      * The intent to clear missed calls.
894      * @hide
895      */
896     @SystemApi
897     public static final String EXTRA_CLEAR_MISSED_CALLS_INTENT =
898             "android.telecom.extra.CLEAR_MISSED_CALLS_INTENT";
899 
900     /**
901      * The intent to call back a missed call.
902      * @hide
903      */
904     @SystemApi
905     public static final String EXTRA_CALL_BACK_INTENT =
906             "android.telecom.extra.CALL_BACK_INTENT";
907 
908     /**
909      * The dialer activity responsible for placing emergency calls from, for example, a locked
910      * keyguard.
911      * @hide
912      */
913     public static final ComponentName EMERGENCY_DIALER_COMPONENT =
914             ComponentName.createRelative("com.android.phone", ".EmergencyDialer");
915 
916     /**
917      * The boolean indicated by this extra controls whether or not a call is eligible to undergo
918      * assisted dialing. This extra is stored under {@link #EXTRA_OUTGOING_CALL_EXTRAS}.
919      * <p>
920      * The call initiator can use this extra to indicate that a call used assisted dialing to help
921      * place the call.  This is most commonly used by a Dialer app which provides the ability to
922      * automatically add dialing prefixes when placing international calls.
923      * <p>
924      * Setting this extra on the outgoing call extras will cause the
925      * {@link Connection#PROPERTY_ASSISTED_DIALING} property and
926      * {@link Call.Details#PROPERTY_ASSISTED_DIALING} property to be set on the
927      * {@link Connection}/{@link Call} in question.  When the call is logged to the call log, the
928      * {@link android.provider.CallLog.Calls#FEATURES_ASSISTED_DIALING_USED} call feature is set to
929      * indicate that assisted dialing was used for the call.
930      */
931     public static final String EXTRA_USE_ASSISTED_DIALING =
932             "android.telecom.extra.USE_ASSISTED_DIALING";
933 
934     /**
935      * Optional extra for {@link #placeCall(Uri, Bundle)} containing an integer that specifies
936      * the source where user initiated this call. This data is used in metrics.
937      * Valid sources are:
938      * {@link TelecomManager#CALL_SOURCE_UNSPECIFIED},
939      * {@link TelecomManager#CALL_SOURCE_EMERGENCY_DIALPAD},
940      * {@link TelecomManager#CALL_SOURCE_EMERGENCY_SHORTCUT}.
941      *
942      * Intended for use with the platform emergency dialer only.
943      * @hide
944      */
945     @SystemApi
946     public static final String EXTRA_CALL_SOURCE = "android.telecom.extra.CALL_SOURCE";
947 
948     /**
949      * Indicating the call is initiated via emergency dialer's shortcut button.
950      *
951      * @hide
952      */
953     @SystemApi
954     public static final int CALL_SOURCE_EMERGENCY_SHORTCUT = 2;
955 
956     /**
957      * Indicating the call is initiated via emergency dialer's dialpad.
958      *
959      * @hide
960      */
961     @SystemApi
962     public static final int CALL_SOURCE_EMERGENCY_DIALPAD = 1;
963 
964     /**
965      * Indicating the call source is not specified.
966      *
967      * @hide
968      */
969     @SystemApi
970     public static final int CALL_SOURCE_UNSPECIFIED = 0;
971 
972     /**
973      * The following 4 constants define how properties such as phone numbers and names are
974      * displayed to the user.
975      */
976 
977     /**
978      * Indicates that the address or number of a call is allowed to be displayed for caller ID.
979      */
980     public static final int PRESENTATION_ALLOWED = 1;
981 
982     /**
983      * Indicates that the address or number of a call is blocked by the other party.
984      */
985     public static final int PRESENTATION_RESTRICTED = 2;
986 
987     /**
988      * Indicates that the address or number of a call is not specified or known by the carrier.
989      */
990     public static final int PRESENTATION_UNKNOWN = 3;
991 
992     /**
993      * Indicates that the address or number of a call belongs to a pay phone.
994      */
995     public static final int PRESENTATION_PAYPHONE = 4;
996 
997     /**
998      * Indicates that the address or number of a call is unavailable.
999      */
1000     public static final int PRESENTATION_UNAVAILABLE = 5;
1001 
1002 
1003     /*
1004      * Values for the adb property "persist.radio.videocall.audio.output"
1005      */
1006     /** @hide */
1007     public static final int AUDIO_OUTPUT_ENABLE_SPEAKER = 0;
1008     /** @hide */
1009     public static final int AUDIO_OUTPUT_DISABLE_SPEAKER = 1;
1010     /** @hide */
1011     public static final int AUDIO_OUTPUT_DEFAULT = AUDIO_OUTPUT_ENABLE_SPEAKER;
1012 
1013     /** @hide */
1014     @Retention(RetentionPolicy.SOURCE)
1015     @IntDef(
1016             prefix = { "PRESENTATION_" },
1017             value = {PRESENTATION_ALLOWED, PRESENTATION_RESTRICTED, PRESENTATION_UNKNOWN,
1018             PRESENTATION_PAYPHONE, PRESENTATION_UNAVAILABLE})
1019     public @interface Presentation {}
1020 
1021 
1022     /**
1023      * Enable READ_PHONE_STATE protection on APIs querying and notifying call state, such as
1024      * {@code TelecomManager#getCallState}, {@link TelephonyManager#getCallStateForSubscription()},
1025      * and {@link android.telephony.TelephonyCallback.CallStateListener}.
1026      * @hide
1027      */
1028     @ChangeId
1029     @EnabledSince(targetSdkVersion = Build.VERSION_CODES.S)
1030     // this magic number is a bug ID
1031     public static final long ENABLE_GET_CALL_STATE_PERMISSION_PROTECTION = 157233955L;
1032 
1033     /**
1034      * Enable READ_PHONE_NUMBERS or READ_PRIVILEGED_PHONE_STATE protections on
1035      * {@link TelecomManager#getPhoneAccount(PhoneAccountHandle)}.
1036      * @hide
1037      */
1038     @ChangeId
1039     @EnabledSince(targetSdkVersion = Build.VERSION_CODES.S)
1040     // bug ID
1041     public static final long ENABLE_GET_PHONE_ACCOUNT_PERMISSION_PROTECTION = 183407956L;
1042 
1043     private static final String TAG = "TelecomManager";
1044 
1045 
1046     /** Cached service handles, cleared by resetServiceCache() at death */
1047     private static final Object CACHE_LOCK = new Object();
1048 
1049     @GuardedBy("CACHE_LOCK")
1050     private static ITelecomService sTelecomService;
1051     @GuardedBy("CACHE_LOCK")
1052     private static final DeathRecipient SERVICE_DEATH = new DeathRecipient();
1053 
1054     private final Context mContext;
1055 
1056     private final ITelecomService mTelecomServiceOverride;
1057 
1058     /**
1059      * @hide
1060      */
1061     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
from(Context context)1062     public static TelecomManager from(Context context) {
1063         return (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE);
1064     }
1065 
1066     /**
1067      * @hide
1068      */
TelecomManager(Context context)1069     public TelecomManager(Context context) {
1070         this(context, null);
1071     }
1072 
1073     /**
1074      * @hide
1075      */
TelecomManager(Context context, ITelecomService telecomServiceImpl)1076     public TelecomManager(Context context, ITelecomService telecomServiceImpl) {
1077         Context appContext = context.getApplicationContext();
1078         if (appContext != null && Objects.equals(context.getAttributionTag(),
1079                 appContext.getAttributionTag())) {
1080             mContext = appContext;
1081         } else {
1082             mContext = context;
1083         }
1084         mTelecomServiceOverride = telecomServiceImpl;
1085     }
1086 
1087     /**
1088      * Return the {@link PhoneAccount} which will be used to place outgoing calls to addresses with
1089      * the specified {@code uriScheme}. This {@link PhoneAccount} will always be a member of the
1090      * list which is returned from invoking {@link #getCallCapablePhoneAccounts()}. The specific
1091      * account returned depends on the following priorities:
1092      * <ul>
1093      * <li> If the user-selected default {@link PhoneAccount} supports the specified scheme, it will
1094      * be returned.
1095      * </li>
1096      * <li> If there exists only one {@link PhoneAccount} that supports the specified scheme, it
1097      * will be returned.
1098      * </li>
1099      * </ul>
1100      * <p>
1101      * If no {@link PhoneAccount} fits the criteria above, this method will return {@code null}.
1102      *
1103      * @param uriScheme The URI scheme.
1104      * @return The {@link PhoneAccountHandle} corresponding to the account to be used.
1105      */
1106     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
getDefaultOutgoingPhoneAccount(String uriScheme)1107     public PhoneAccountHandle getDefaultOutgoingPhoneAccount(String uriScheme) {
1108         ITelecomService service = getTelecomService();
1109         if (service != null) {
1110             try {
1111                 return service.getDefaultOutgoingPhoneAccount(uriScheme,
1112                         mContext.getOpPackageName(), mContext.getAttributionTag());
1113             } catch (RemoteException e) {
1114                 Log.e(TAG, "Error calling ITelecomService#getDefaultOutgoingPhoneAccount", e);
1115             }
1116         }
1117         return null;
1118     }
1119 
1120     /**
1121      * Return the {@link PhoneAccount} which is the user-chosen default for making outgoing phone
1122      * calls. This {@code PhoneAccount} will always be a member of the list which is returned from
1123      * calling {@link #getCallCapablePhoneAccounts()}
1124      * <p>
1125      * Apps must be prepared for this method to return {@code null}, indicating that there currently
1126      * exists no user-chosen default {@code PhoneAccount}.
1127      * <p>
1128      * The default dialer has access to use this method.
1129      *
1130      * @return The user outgoing phone account selected by the user, or {@code null} if there is no
1131      * user selected outgoing {@link PhoneAccountHandle}.
1132      */
1133     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
getUserSelectedOutgoingPhoneAccount()1134     public @Nullable PhoneAccountHandle getUserSelectedOutgoingPhoneAccount() {
1135         ITelecomService service = getTelecomService();
1136         if (service != null) {
1137             try {
1138                 return service.getUserSelectedOutgoingPhoneAccount(
1139                         mContext.getOpPackageName());
1140             } catch (RemoteException e) {
1141                 Log.e(TAG, "Error calling ITelecomService#getUserSelectedOutgoingPhoneAccount", e);
1142             }
1143         }
1144         return null;
1145     }
1146 
1147     /**
1148      * Sets the user-chosen default {@link PhoneAccountHandle} for making outgoing phone calls.
1149      *
1150      * @param accountHandle The {@link PhoneAccountHandle} which will be used by default for making
1151      *                      outgoing voice calls, or {@code null} if no default is specified (the
1152      *                      user will be asked each time a call is placed in this case).
1153      * @hide
1154      */
1155     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
1156     @SystemApi
setUserSelectedOutgoingPhoneAccount(@ullable PhoneAccountHandle accountHandle)1157     public void setUserSelectedOutgoingPhoneAccount(@Nullable PhoneAccountHandle accountHandle) {
1158         ITelecomService service = getTelecomService();
1159         if (service != null) {
1160             try {
1161                 service.setUserSelectedOutgoingPhoneAccount(accountHandle);
1162             } catch (RemoteException e) {
1163                 Log.e(TAG, "Error calling ITelecomService#setUserSelectedOutgoingPhoneAccount");
1164             }
1165         }
1166     }
1167 
1168     /**
1169      * Returns the current SIM call manager. Apps must be prepared for this method to return
1170      * {@code null}, indicating that there currently exists no SIM call manager {@link PhoneAccount}
1171      * for the default voice subscription.
1172      *
1173      * @return The phone account handle of the current sim call manager for the default voice
1174      * subscription.
1175      * @see SubscriptionManager#getDefaultVoiceSubscriptionId()
1176      */
getSimCallManager()1177     public PhoneAccountHandle getSimCallManager() {
1178         ITelecomService service = getTelecomService();
1179         if (service != null) {
1180             try {
1181                 return service.getSimCallManager(
1182                         SubscriptionManager.getDefaultSubscriptionId());
1183             } catch (RemoteException e) {
1184                 Log.e(TAG, "Error calling ITelecomService#getSimCallManager");
1185             }
1186         }
1187         return null;
1188     }
1189 
1190     /**
1191      * Returns current SIM call manager for the Telephony Subscription ID specified. Apps must be
1192      * prepared for this method to return {@code null}, indicating that there currently exists no
1193      * SIM call manager {@link PhoneAccount} for the subscription specified.
1194      *
1195      * @param subscriptionId The Telephony Subscription ID that the SIM call manager should be
1196      *                       queried for.
1197      * @return The phone account handle of the current sim call manager.
1198      * @see SubscriptionManager#getActiveSubscriptionInfoList()
1199      */
getSimCallManagerForSubscription(int subscriptionId)1200     public @Nullable PhoneAccountHandle getSimCallManagerForSubscription(int subscriptionId) {
1201         ITelecomService service = getTelecomService();
1202         if (service != null) {
1203             try {
1204                 return service.getSimCallManager(subscriptionId);
1205             } catch (RemoteException e) {
1206                 Log.e(TAG, "Error calling ITelecomService#getSimCallManager");
1207             }
1208         }
1209         return null;
1210     }
1211 
1212     /**
1213      * Returns the current SIM call manager for the user-chosen default Telephony Subscription ID
1214      * (see {@link SubscriptionManager#getDefaultSubscriptionId()}) and the specified user. Apps
1215      * must be prepared for this method to return {@code null}, indicating that there currently
1216      * exists no SIM call manager {@link PhoneAccount} for the default voice subscription.
1217      *
1218      * @return The phone account handle of the current sim call manager.
1219      *
1220      * @hide
1221      * @deprecated Use {@link #getSimCallManager()}.
1222      */
1223     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 119305590)
getSimCallManager(int userId)1224     public PhoneAccountHandle getSimCallManager(int userId) {
1225         ITelecomService service = getTelecomService();
1226         if (service != null) {
1227             try {
1228                 return service.getSimCallManagerForUser(userId);
1229             } catch (RemoteException e) {
1230                 Log.e(TAG, "Error calling ITelecomService#getSimCallManagerForUser");
1231             }
1232         }
1233         return null;
1234     }
1235 
1236     /**
1237      * Returns the current connection manager. Apps must be prepared for this method to return
1238      * {@code null}, indicating that there currently exists no Connection Manager
1239      * {@link PhoneAccount} for the default voice subscription.
1240      *
1241      * @return The phone account handle of the current connection manager.
1242      * @hide
1243      */
1244     @SystemApi
getConnectionManager()1245     public PhoneAccountHandle getConnectionManager() {
1246         return getSimCallManager();
1247     }
1248 
1249     /**
1250      * Returns a list of the {@link PhoneAccountHandle}s which can be used to make and receive phone
1251      * calls which support the specified URI scheme.
1252      * <P>
1253      * For example, invoking with {@code "tel"} will find all {@link PhoneAccountHandle}s which
1254      * support telephone calls (e.g. URIs such as {@code tel:555-555-1212}).  Invoking with
1255      * {@code "sip"} will find all {@link PhoneAccountHandle}s which support SIP calls (e.g. URIs
1256      * such as {@code sip:example@sipexample.com}).
1257      *
1258      * @param uriScheme The URI scheme.
1259      * @return A list of {@code PhoneAccountHandle} objects supporting the URI scheme.
1260      * @hide
1261      */
1262     @SystemApi
1263     @RequiresPermission(anyOf = {
1264             READ_PRIVILEGED_PHONE_STATE,
1265             android.Manifest.permission.READ_PHONE_STATE
1266     })
getPhoneAccountsSupportingScheme(String uriScheme)1267     public List<PhoneAccountHandle> getPhoneAccountsSupportingScheme(String uriScheme) {
1268         ITelecomService service = getTelecomService();
1269         if (service != null) {
1270             try {
1271                 return service.getPhoneAccountsSupportingScheme(uriScheme,
1272                         mContext.getOpPackageName()).getList();
1273             } catch (RemoteException e) {
1274                 Log.e(TAG, "Error calling ITelecomService#getPhoneAccountsSupportingScheme", e);
1275             }
1276         }
1277         return new ArrayList<>();
1278     }
1279 
1280 
1281     /**
1282      * Returns a list of {@link PhoneAccountHandle}s which can be used to make and receive phone
1283      * calls. The returned list includes only those accounts which have been explicitly enabled
1284      * by the user.
1285      *
1286      * @see #EXTRA_PHONE_ACCOUNT_HANDLE
1287      * @return A list of {@code PhoneAccountHandle} objects.
1288      */
1289     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
getCallCapablePhoneAccounts()1290     public List<PhoneAccountHandle> getCallCapablePhoneAccounts() {
1291         return getCallCapablePhoneAccounts(false);
1292     }
1293 
1294     /**
1295      * Returns a list of {@link PhoneAccountHandle}s for all self-managed
1296      * {@link ConnectionService}s owned by the calling {@link UserHandle}.
1297      * <p>
1298      * Self-Managed {@link ConnectionService}s have a {@link PhoneAccount} with
1299      * {@link PhoneAccount#CAPABILITY_SELF_MANAGED}.
1300      * <p>
1301      * Requires permission {@link android.Manifest.permission#READ_PHONE_STATE}, or that the caller
1302      * is the default dialer app.
1303      * <p>
1304      * A {@link SecurityException} will be thrown if a called is not the default dialer, or lacks
1305      * the {@link android.Manifest.permission#READ_PHONE_STATE} permission.
1306      *
1307      * @return A list of {@code PhoneAccountHandle} objects.
1308      */
1309     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
getSelfManagedPhoneAccounts()1310     public @NonNull List<PhoneAccountHandle> getSelfManagedPhoneAccounts() {
1311         ITelecomService service = getTelecomService();
1312         if (service != null) {
1313             try {
1314                 return service.getSelfManagedPhoneAccounts(mContext.getOpPackageName(),
1315                         mContext.getAttributionTag()).getList();
1316             } catch (RemoteException e) {
1317                 Log.e(TAG, "Error calling ITelecomService#getSelfManagedPhoneAccounts()", e);
1318             }
1319         }
1320         return new ArrayList<>();
1321     }
1322 
1323     /**
1324      * Returns a list of {@link PhoneAccountHandle}s owned by the calling self-managed
1325      * {@link ConnectionService}.
1326      * <p>
1327      * Self-Managed {@link ConnectionService}s have a {@link PhoneAccount} with
1328      * {@link PhoneAccount#CAPABILITY_SELF_MANAGED}.
1329      * <p>
1330      * Requires permission {@link android.Manifest.permission#MANAGE_OWN_CALLS}
1331      * <p>
1332      * A {@link SecurityException} will be thrown if a caller lacks the
1333      * {@link android.Manifest.permission#MANAGE_OWN_CALLS} permission.
1334      *
1335      * @return A list of {@code PhoneAccountHandle} objects.
1336      */
1337     @RequiresPermission(Manifest.permission.MANAGE_OWN_CALLS)
getOwnSelfManagedPhoneAccounts()1338     public @NonNull List<PhoneAccountHandle> getOwnSelfManagedPhoneAccounts() {
1339         ITelecomService service = getTelecomService();
1340         if (service != null) {
1341             try {
1342                 return service.getOwnSelfManagedPhoneAccounts(mContext.getOpPackageName(),
1343                         mContext.getAttributionTag()).getList();
1344             } catch (RemoteException e) {
1345                 throw e.rethrowFromSystemServer();
1346             }
1347         }
1348         throw new IllegalStateException("Telecom is not available");
1349     }
1350 
1351     /**
1352      * Returns a list of {@link PhoneAccountHandle}s including those which have not been enabled
1353      * by the user.
1354      *
1355      * @param includeDisabledAccounts When {@code true}, disabled phone accounts will be included,
1356      *                                when {@code false}, only enabled phone accounts will be
1357      *                                included.
1358      * @return A list of {@code PhoneAccountHandle} objects.
1359      * @hide
1360      */
1361     @SystemApi
1362     @RequiresPermission(READ_PRIVILEGED_PHONE_STATE)
getCallCapablePhoneAccounts( boolean includeDisabledAccounts)1363     public @NonNull List<PhoneAccountHandle> getCallCapablePhoneAccounts(
1364             boolean includeDisabledAccounts) {
1365         ITelecomService service = getTelecomService();
1366         if (service != null) {
1367             try {
1368                 return service.getCallCapablePhoneAccounts(includeDisabledAccounts,
1369                         mContext.getOpPackageName(), mContext.getAttributionTag()).getList();
1370             } catch (RemoteException e) {
1371                 Log.e(TAG, "Error calling ITelecomService#getCallCapablePhoneAccounts("
1372                         + includeDisabledAccounts + ")", e);
1373             }
1374         }
1375         return new ArrayList<>();
1376     }
1377 
1378     /**
1379      *  Returns a list of all {@link PhoneAccount}s registered for the calling package.
1380      *
1381      * @deprecated Use {@link #getSelfManagedPhoneAccounts()} instead to get only self-managed
1382      * {@link PhoneAccountHandle} for the calling package.
1383      * @return A list of {@code PhoneAccountHandle} objects.
1384      * @hide
1385      */
1386     @SystemApi
1387     @SuppressLint("RequiresPermission")
1388     @Deprecated
getPhoneAccountsForPackage()1389     public List<PhoneAccountHandle> getPhoneAccountsForPackage() {
1390         ITelecomService service = getTelecomService();
1391         if (service != null) {
1392             try {
1393                 return service.getPhoneAccountsForPackage(mContext.getPackageName()).getList();
1394             } catch (RemoteException e) {
1395                 Log.e(TAG, "Error calling ITelecomService#getPhoneAccountsForPackage", e);
1396             }
1397         }
1398         return null;
1399     }
1400 
1401     /**
1402      * Return the {@link PhoneAccount} for a specified {@link PhoneAccountHandle}. Object includes
1403      * resources which can be used in a user interface.
1404      *
1405      * Requires Permission:
1406      * {@link android.Manifest.permission#READ_PHONE_NUMBERS} for applications targeting API
1407      * level 31+.
1408      * @param account The {@link PhoneAccountHandle}.
1409      * @return The {@link PhoneAccount} object.
1410      */
getPhoneAccount(PhoneAccountHandle account)1411     public PhoneAccount getPhoneAccount(PhoneAccountHandle account) {
1412         ITelecomService service = getTelecomService();
1413         if (service != null) {
1414             try {
1415                 return service.getPhoneAccount(account, mContext.getPackageName());
1416             } catch (RemoteException e) {
1417                 Log.e(TAG, "Error calling ITelecomService#getPhoneAccount", e);
1418             }
1419         }
1420         return null;
1421     }
1422 
1423     /**
1424      * Returns a count of all {@link PhoneAccount}s.
1425      *
1426      * @return The count of {@link PhoneAccount}s.
1427      * @hide
1428      */
1429     @SystemApi
getAllPhoneAccountsCount()1430     public int getAllPhoneAccountsCount() {
1431         ITelecomService service = getTelecomService();
1432         if (service != null) {
1433             try {
1434                 return service.getAllPhoneAccountsCount();
1435             } catch (RemoteException e) {
1436                 Log.e(TAG, "Error calling ITelecomService#getAllPhoneAccountsCount", e);
1437             }
1438         }
1439         return 0;
1440     }
1441 
1442     /**
1443      * Returns a list of all {@link PhoneAccount}s.
1444      *
1445      * @return All {@link PhoneAccount}s.
1446      * @hide
1447      */
1448     @SystemApi
getAllPhoneAccounts()1449     public List<PhoneAccount> getAllPhoneAccounts() {
1450         ITelecomService service = getTelecomService();
1451         if (service != null) {
1452             try {
1453                 return service.getAllPhoneAccounts().getList();
1454             } catch (RemoteException e) {
1455                 Log.e(TAG, "Error calling ITelecomService#getAllPhoneAccounts", e);
1456             }
1457         }
1458         return Collections.EMPTY_LIST;
1459     }
1460 
1461     /**
1462      * Returns a list of all {@link PhoneAccountHandle}s.
1463      *
1464      * @return All {@link PhoneAccountHandle}s.
1465      * @hide
1466      */
1467     @SystemApi
getAllPhoneAccountHandles()1468     public List<PhoneAccountHandle> getAllPhoneAccountHandles() {
1469         ITelecomService service = getTelecomService();
1470         if (service != null) {
1471             try {
1472                 return service.getAllPhoneAccountHandles().getList();
1473             } catch (RemoteException e) {
1474                 Log.e(TAG, "Error calling ITelecomService#getAllPhoneAccountHandles", e);
1475             }
1476         }
1477         return Collections.EMPTY_LIST;
1478     }
1479 
1480     /**
1481      * Register a {@link PhoneAccount} for use by the system that will be stored in Device Encrypted
1482      * storage. When registering {@link PhoneAccount}s, existing registrations will be overwritten
1483      * if the {@link PhoneAccountHandle} matches that of a {@link PhoneAccount} which is already
1484      * registered. Once registered, the {@link PhoneAccount} is listed to the user as an option
1485      * when placing calls. The user may still need to enable the {@link PhoneAccount} within
1486      * the phone app settings before the account is usable.
1487      * <p>
1488      * Note: Each package is limited to 10 {@link PhoneAccount} registrations.
1489      * <p>
1490      * A {@link SecurityException} will be thrown if an app tries to register a
1491      * {@link PhoneAccountHandle} where the package name specified within
1492      * {@link PhoneAccountHandle#getComponentName()} does not match the package name of the app.
1493      * <p>
1494      * A {@link IllegalArgumentException} will be thrown if an app tries to register a
1495      * {@link PhoneAccount} when the upper bound limit, 10, has already been reached.
1496      *
1497      * @param account The complete {@link PhoneAccount}.
1498      */
registerPhoneAccount(PhoneAccount account)1499     public void registerPhoneAccount(PhoneAccount account) {
1500         ITelecomService service = getTelecomService();
1501         if (service != null) {
1502             try {
1503                 service.registerPhoneAccount(account);
1504             } catch (RemoteException e) {
1505                 Log.e(TAG, "Error calling ITelecomService#registerPhoneAccount", e);
1506             }
1507         }
1508     }
1509 
1510     /**
1511      * Remove a {@link PhoneAccount} registration from the system.
1512      *
1513      * @param accountHandle A {@link PhoneAccountHandle} for the {@link PhoneAccount} to unregister.
1514      */
unregisterPhoneAccount(PhoneAccountHandle accountHandle)1515     public void unregisterPhoneAccount(PhoneAccountHandle accountHandle) {
1516         ITelecomService service = getTelecomService();
1517         if (service != null) {
1518             try {
1519                 service.unregisterPhoneAccount(accountHandle);
1520             } catch (RemoteException e) {
1521                 Log.e(TAG, "Error calling ITelecomService#unregisterPhoneAccount", e);
1522             }
1523         }
1524     }
1525 
1526     /**
1527      * Remove all Accounts that belong to the calling package from the system.
1528      * @hide
1529      */
1530     @SystemApi
1531     @SuppressLint("RequiresPermission")
clearPhoneAccounts()1532     public void clearPhoneAccounts() {
1533         clearAccounts();
1534     }
1535     /**
1536      * Remove all Accounts that belong to the calling package from the system.
1537      * @deprecated Use {@link #clearPhoneAccounts()} instead.
1538      * @hide
1539      */
1540     @SystemApi
1541     @SuppressLint("RequiresPermission")
clearAccounts()1542     public void clearAccounts() {
1543         ITelecomService service = getTelecomService();
1544         if (service != null) {
1545             try {
1546                 service.clearAccounts(mContext.getPackageName());
1547             } catch (RemoteException e) {
1548                 Log.e(TAG, "Error calling ITelecomService#clearAccounts", e);
1549             }
1550         }
1551     }
1552 
1553     /**
1554      * Remove all Accounts that belong to the specified package from the system.
1555      * @hide
1556      */
clearAccountsForPackage(String packageName)1557     public void clearAccountsForPackage(String packageName) {
1558         ITelecomService service = getTelecomService();
1559         if (service != null) {
1560             try {
1561                 if (!TextUtils.isEmpty(packageName)) {
1562                     service.clearAccounts(packageName);
1563                 }
1564             } catch (RemoteException e) {
1565                 Log.e(TAG, "Error calling ITelecomService#clearAccountsForPackage", e);
1566             }
1567         }
1568     }
1569 
1570 
1571     /**
1572      * @deprecated - Use {@link TelecomManager#getDefaultDialerPackage} to directly access
1573      *         the default dialer's package name instead.
1574      * @hide
1575      */
1576     @SystemApi
1577     @SuppressLint("RequiresPermission")
getDefaultPhoneApp()1578     public ComponentName getDefaultPhoneApp() {
1579         ITelecomService service = getTelecomService();
1580         if (service != null) {
1581             try {
1582                 return service.getDefaultPhoneApp();
1583             } catch (RemoteException e) {
1584                 Log.e(TAG, "RemoteException attempting to get the default phone app.", e);
1585             }
1586         }
1587         return null;
1588     }
1589 
1590     /**
1591      * Used to determine the currently selected default dialer package.
1592      *
1593      * @return package name for the default dialer package or null if no package has been
1594      *         selected as the default dialer.
1595      */
getDefaultDialerPackage()1596     public String getDefaultDialerPackage() {
1597         ITelecomService service = getTelecomService();
1598         if (service != null) {
1599             try {
1600                 return service.getDefaultDialerPackage();
1601             } catch (RemoteException e) {
1602                 Log.e(TAG, "RemoteException attempting to get the default dialer package name.", e);
1603             }
1604         }
1605         return null;
1606     }
1607 
1608     /**
1609      * Used to determine the currently selected default dialer package for a specific user.
1610      *
1611      * @param userHandle the user id to query the default dialer package for.
1612      * @return package name for the default dialer package or null if no package has been
1613      *         selected as the default dialer.
1614      * @hide
1615      */
1616     @SystemApi
1617     @RequiresPermission(READ_PRIVILEGED_PHONE_STATE)
getDefaultDialerPackage(@onNull UserHandle userHandle)1618     public @Nullable String getDefaultDialerPackage(@NonNull UserHandle userHandle) {
1619         ITelecomService service = getTelecomService();
1620         if (service != null) {
1621             try {
1622                 return service.getDefaultDialerPackageForUser(
1623                         userHandle.getIdentifier());
1624             } catch (RemoteException e) {
1625                 Log.e(TAG, "RemoteException attempting to get the default dialer package name.", e);
1626             }
1627         }
1628         return null;
1629     }
1630 
1631     /**
1632      * Used to set the default dialer package.
1633      *
1634      * @param packageName to set the default dialer to, or {@code null} if the system provided
1635      *                    dialer should be used instead.
1636      *
1637      * @result {@code true} if the default dialer was successfully changed, {@code false} if
1638      *         the specified package does not correspond to an installed dialer, or is already
1639      *         the default dialer.
1640      *
1641      * @hide
1642      * @deprecated Use
1643      * {@link android.app.role.RoleManager#addRoleHolderAsUser(String, String, int, UserHandle,
1644      * Executor, java.util.function.Consumer)} instead.
1645      * @removed
1646      */
1647     @SystemApi
1648     @Deprecated
1649     @RequiresPermission(allOf = {
1650             android.Manifest.permission.MODIFY_PHONE_STATE,
1651             android.Manifest.permission.WRITE_SECURE_SETTINGS})
setDefaultDialer(@ullable String packageName)1652     public boolean setDefaultDialer(@Nullable String packageName) {
1653         ITelecomService service = getTelecomService();
1654         if (service != null) {
1655             try {
1656                 return service.setDefaultDialer(packageName);
1657             } catch (RemoteException e) {
1658                 Log.e(TAG, "RemoteException attempting to set the default dialer.", e);
1659             }
1660         }
1661         return false;
1662     }
1663 
1664     /**
1665      * Determines the package name of the system-provided default phone app.
1666      *
1667      * @return package name for the system dialer package or {@code null} if no system dialer is
1668      *         preloaded.
1669      */
getSystemDialerPackage()1670     public @Nullable String getSystemDialerPackage() {
1671         ITelecomService service = getTelecomService();
1672         if (service != null) {
1673             try {
1674                 return service.getSystemDialerPackage();
1675             } catch (RemoteException e) {
1676                 Log.e(TAG, "RemoteException attempting to get the system dialer package name.", e);
1677             }
1678         }
1679         return null;
1680     }
1681 
1682     /**
1683      * Return whether a given phone number is the configured voicemail number for a
1684      * particular phone account.
1685      *
1686      * @param accountHandle The handle for the account to check the voicemail number against
1687      * @param number The number to look up.
1688      */
1689     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
isVoiceMailNumber(PhoneAccountHandle accountHandle, String number)1690     public boolean isVoiceMailNumber(PhoneAccountHandle accountHandle, String number) {
1691         ITelecomService service = getTelecomService();
1692         if (service != null) {
1693             try {
1694                 return service.isVoiceMailNumber(accountHandle, number,
1695                         mContext.getOpPackageName(), mContext.getAttributionTag());
1696             } catch (RemoteException e) {
1697                 Log.e(TAG, "RemoteException calling ITelecomService#isVoiceMailNumber.", e);
1698             }
1699         }
1700         return false;
1701     }
1702 
1703     /**
1704      * Return the voicemail number for a given phone account.
1705      *
1706      * @param accountHandle The handle for the phone account.
1707      * @return The voicemail number for the phone account, and {@code null} if one has not been
1708      *         configured.
1709      */
1710     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
getVoiceMailNumber(PhoneAccountHandle accountHandle)1711     public String getVoiceMailNumber(PhoneAccountHandle accountHandle) {
1712         ITelecomService service = getTelecomService();
1713         if (service != null) {
1714             try {
1715                 return service.getVoiceMailNumber(accountHandle,
1716                         mContext.getOpPackageName(), mContext.getAttributionTag());
1717             } catch (RemoteException e) {
1718                 Log.e(TAG, "RemoteException calling ITelecomService#hasVoiceMailNumber.", e);
1719             }
1720         }
1721         return null;
1722     }
1723 
1724     /**
1725      * Return the line 1 phone number for given phone account.
1726      *
1727      * <p>Requires Permission:
1728      *     {@link android.Manifest.permission#READ_SMS READ_SMS},
1729      *     {@link android.Manifest.permission#READ_PHONE_NUMBERS READ_PHONE_NUMBERS},
1730      *     or that the caller is the default SMS app for any API level.
1731      *     {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
1732      *     for apps targeting SDK API level 29 and below.
1733      *
1734      * @param accountHandle The handle for the account retrieve a number for.
1735      * @return A string representation of the line 1 phone number.
1736      * @deprecated use {@link SubscriptionManager#getPhoneNumber(int)} instead, which takes a
1737      *             Telephony Subscription ID that can be retrieved with the {@code accountHandle}
1738      *             from {@link TelephonyManager#getSubscriptionId(PhoneAccountHandle)}.
1739      */
1740     @Deprecated
1741     @SuppressAutoDoc // Blocked by b/72967236 - no support for carrier privileges or default SMS app
1742     @RequiresPermission(anyOf = {
1743             android.Manifest.permission.READ_PHONE_STATE,
1744             android.Manifest.permission.READ_SMS,
1745             android.Manifest.permission.READ_PHONE_NUMBERS
1746             }, conditional = true)
getLine1Number(PhoneAccountHandle accountHandle)1747     public String getLine1Number(PhoneAccountHandle accountHandle) {
1748         ITelecomService service = getTelecomService();
1749         if (service != null) {
1750             try {
1751                 return service.getLine1Number(accountHandle,
1752                         mContext.getOpPackageName(), mContext.getAttributionTag());
1753             } catch (RemoteException e) {
1754                 Log.e(TAG, "RemoteException calling ITelecomService#getLine1Number.", e);
1755             }
1756         }
1757         return null;
1758     }
1759 
1760     /**
1761      * Returns whether there is an ongoing phone call (can be in dialing, ringing, active or holding
1762      * states) originating from either a manager or self-managed {@link ConnectionService}.
1763      *
1764      * @return {@code true} if there is an ongoing call in either a managed or self-managed
1765      *      {@link ConnectionService}, {@code false} otherwise.
1766      */
1767     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
isInCall()1768     public boolean isInCall() {
1769         ITelecomService service = getTelecomService();
1770         if (service != null) {
1771             try {
1772                 return service.isInCall(mContext.getOpPackageName(),
1773                         mContext.getAttributionTag());
1774             } catch (RemoteException e) {
1775                 Log.e(TAG, "RemoteException calling isInCall().", e);
1776             }
1777         }
1778         return false;
1779     }
1780 
1781     /**
1782      * Returns whether the caller has {@link android.Manifest.permission#MANAGE_ONGOING_CALLS}
1783      * permission. The permission can be obtained by associating with a physical wearable device
1784      * via the {@link android.companion.CompanionDeviceManager} API as a companion app. If the
1785      * caller app has the permission, it has {@link InCallService} access to manage ongoing calls.
1786      *
1787      * @return {@code true} if the caller has {@link InCallService} access for
1788      *      companion app; {@code false} otherwise.
1789      */
hasManageOngoingCallsPermission()1790     public boolean hasManageOngoingCallsPermission() {
1791         ITelecomService service = getTelecomService();
1792         if (service != null) {
1793             try {
1794                 return service.hasManageOngoingCallsPermission(
1795                         mContext.getOpPackageName());
1796             } catch (RemoteException e) {
1797                 Log.e(TAG, "RemoteException calling hasManageOngoingCallsPermission().", e);
1798                 if (!isSystemProcess()) {
1799                     e.rethrowAsRuntimeException();
1800                 }
1801             }
1802         }
1803         return false;
1804     }
1805 
1806     /**
1807      * Returns whether there is an ongoing call originating from a managed
1808      * {@link ConnectionService}.  An ongoing call can be in dialing, ringing, active or holding
1809      * states.
1810      * <p>
1811      * If you also need to know if there are ongoing self-managed calls, use {@link #isInCall()}
1812      * instead.
1813      *
1814      * @return {@code true} if there is an ongoing call in a managed {@link ConnectionService},
1815      *      {@code false} otherwise.
1816      */
1817     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
isInManagedCall()1818     public boolean isInManagedCall() {
1819         ITelecomService service = getTelecomService();
1820         if (service != null) {
1821             try {
1822                 return service.isInManagedCall(mContext.getOpPackageName(),
1823                         mContext.getAttributionTag());
1824             } catch (RemoteException e) {
1825                 Log.e(TAG, "RemoteException calling isInManagedCall().", e);
1826             }
1827         }
1828         return false;
1829     }
1830 
1831     /**
1832      * Returns one of the following constants that represents the current state of Telecom:
1833      *
1834      * {@link TelephonyManager#CALL_STATE_RINGING}
1835      * {@link TelephonyManager#CALL_STATE_OFFHOOK}
1836      * {@link TelephonyManager#CALL_STATE_IDLE}
1837      *
1838      * Takes into consideration both managed and self-managed calls.
1839      * <p>
1840      * Requires Permission:
1841      * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} for applications
1842      * targeting API level 31+.
1843      *
1844      * @hide
1845      */
1846     @RequiresPermission(anyOf = {READ_PRIVILEGED_PHONE_STATE,
1847             android.Manifest.permission.READ_PHONE_STATE}, conditional = true)
1848     @SystemApi
getCallState()1849     public @CallState int getCallState() {
1850         ITelecomService service = getTelecomService();
1851         if (service != null) {
1852             try {
1853                 return service.getCallStateUsingPackage(mContext.getPackageName(),
1854                         mContext.getAttributionTag());
1855             } catch (RemoteException e) {
1856                 Log.d(TAG, "RemoteException calling getCallState().", e);
1857             }
1858         }
1859         return TelephonyManager.CALL_STATE_IDLE;
1860     }
1861 
1862     /**
1863      * Returns whether there currently exists is a ringing incoming-call.
1864      *
1865      * @return {@code true} if there is a managed or self-managed ringing call.
1866      * @hide
1867      */
1868     @SystemApi
1869     @RequiresPermission(anyOf = {
1870             READ_PRIVILEGED_PHONE_STATE,
1871             android.Manifest.permission.READ_PHONE_STATE
1872     })
isRinging()1873     public boolean isRinging() {
1874         ITelecomService service = getTelecomService();
1875         if (service != null) {
1876             try {
1877                 return service.isRinging(mContext.getOpPackageName());
1878             } catch (RemoteException e) {
1879                 Log.e(TAG, "RemoteException attempting to get ringing state of phone app.", e);
1880             }
1881         }
1882         return false;
1883     }
1884 
1885     /**
1886      * Ends the foreground call on the device.
1887      * <p>
1888      * If there is a ringing call, calling this method rejects the ringing call.  Otherwise the
1889      * foreground call is ended.
1890      * <p>
1891      * Note: this method CANNOT be used to end ongoing emergency calls and will return {@code false}
1892      * if an attempt is made to end an emergency call.
1893      *
1894      * @return {@code true} if there is a call which will be rejected or terminated, {@code false}
1895      * otherwise.
1896      * @deprecated Companion apps for wearable devices should use the {@link InCallService} API
1897      * instead.  Apps performing call screening should use the {@link CallScreeningService} API
1898      * instead.
1899      */
1900     @RequiresPermission(Manifest.permission.ANSWER_PHONE_CALLS)
1901     @Deprecated
endCall()1902     public boolean endCall() {
1903         ITelecomService service = getTelecomService();
1904         if (service != null) {
1905             try {
1906                 return service.endCall(mContext.getPackageName());
1907             } catch (RemoteException e) {
1908                 Log.e(TAG, "Error calling ITelecomService#endCall", e);
1909             }
1910         }
1911         return false;
1912     }
1913 
1914     /**
1915      * If there is a ringing incoming call, this method accepts the call on behalf of the user.
1916      *
1917      * If the incoming call is a video call, the call will be answered with the same video state as
1918      * the incoming call requests.  This means, for example, that an incoming call requesting
1919      * {@link VideoProfile#STATE_BIDIRECTIONAL} will be answered, accepting that state.
1920      *
1921      * @deprecated Companion apps for wearable devices should use the {@link InCallService} API
1922      * instead.
1923      */
1924     //TODO: L-release - need to convert all invocation of ITelecmmService#answerRingingCall to use
1925     // this method (clockwork & gearhead).
1926     @RequiresPermission(anyOf =
1927             {Manifest.permission.ANSWER_PHONE_CALLS, Manifest.permission.MODIFY_PHONE_STATE})
1928     @Deprecated
acceptRingingCall()1929     public void acceptRingingCall() {
1930         ITelecomService service = getTelecomService();
1931         if (service != null) {
1932             try {
1933                 service.acceptRingingCall(mContext.getPackageName());
1934             } catch (RemoteException e) {
1935                 Log.e(TAG, "Error calling ITelecomService#acceptRingingCall", e);
1936             }
1937         }
1938     }
1939 
1940     /**
1941      * If there is a ringing incoming call, this method accepts the call on behalf of the user,
1942      * with the specified video state.
1943      *
1944      * @param videoState The desired video state to answer the call with.
1945      * @deprecated Companion apps for wearable devices should use the {@link InCallService} API
1946      * instead.
1947      */
1948     @RequiresPermission(anyOf =
1949             {Manifest.permission.ANSWER_PHONE_CALLS, Manifest.permission.MODIFY_PHONE_STATE})
1950     @Deprecated
acceptRingingCall(int videoState)1951     public void acceptRingingCall(int videoState) {
1952         ITelecomService service = getTelecomService();
1953         if (service != null) {
1954             try {
1955                 service.acceptRingingCallWithVideoState(
1956                         mContext.getPackageName(), videoState);
1957             } catch (RemoteException e) {
1958                 Log.e(TAG, "Error calling ITelecomService#acceptRingingCallWithVideoState", e);
1959             }
1960         }
1961     }
1962 
1963     /**
1964      * Silences the ringer if a ringing call exists.
1965      * <p>
1966      * This method can only be relied upon to stop the ringtone for a call if the ringtone has
1967      * already started playing.  It is intended to handle use-cases such as silencing a ringing call
1968      * when the user presses the volume button during ringing.
1969      * <p>
1970      * If this method is called prior to when the ringtone begins playing, the ringtone will not be
1971      * silenced.  As such it is not intended as a means to avoid playing of a ringtone.
1972      * <p>
1973      * A dialer app which wants to have more control over ringtone playing should declare
1974      * {@link TelecomManager#METADATA_IN_CALL_SERVICE_RINGING} in the manifest entry for their
1975      * {@link InCallService} implementation to indicate that the app wants to be responsible for
1976      * playing the ringtone for all incoming calls.
1977      * <p>
1978      * Requires permission: {@link android.Manifest.permission#MODIFY_PHONE_STATE} or that the
1979      * app fills the dialer role (see {@link #getDefaultDialerPackage()}).
1980      */
1981     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
silenceRinger()1982     public void silenceRinger() {
1983         ITelecomService service = getTelecomService();
1984         if (service != null) {
1985             try {
1986                 service.silenceRinger(mContext.getOpPackageName());
1987             } catch (RemoteException e) {
1988                 Log.e(TAG, "Error calling ITelecomService#silenceRinger", e);
1989             }
1990         }
1991     }
1992 
1993     /**
1994      * Returns whether TTY is supported on this device.
1995      */
1996     @RequiresPermission(anyOf = {
1997             READ_PRIVILEGED_PHONE_STATE,
1998             android.Manifest.permission.READ_PHONE_STATE
1999     })
isTtySupported()2000     public boolean isTtySupported() {
2001         ITelecomService service = getTelecomService();
2002         if (service != null) {
2003             try {
2004                 return service.isTtySupported(mContext.getOpPackageName(),
2005                         mContext.getAttributionTag());
2006             } catch (RemoteException e) {
2007                 Log.e(TAG, "RemoteException attempting to get TTY supported state.", e);
2008             }
2009         }
2010         return false;
2011     }
2012 
2013     /**
2014      * Returns the current TTY mode of the device. For TTY to be on the user must enable it in
2015      * settings and have a wired headset plugged in.
2016      * Valid modes are:
2017      * - {@link TelecomManager#TTY_MODE_OFF}
2018      * - {@link TelecomManager#TTY_MODE_FULL}
2019      * - {@link TelecomManager#TTY_MODE_HCO}
2020      * - {@link TelecomManager#TTY_MODE_VCO}
2021      * @hide
2022      */
2023     @SystemApi
2024     @RequiresPermission(READ_PRIVILEGED_PHONE_STATE)
getCurrentTtyMode()2025     public @TtyMode int getCurrentTtyMode() {
2026         ITelecomService service = getTelecomService();
2027         if (service != null) {
2028             try {
2029                 return service.getCurrentTtyMode(mContext.getOpPackageName(),
2030                         mContext.getAttributionTag());
2031             } catch (RemoteException e) {
2032                 Log.e(TAG, "RemoteException attempting to get the current TTY mode.", e);
2033             }
2034         }
2035         return TTY_MODE_OFF;
2036     }
2037 
2038     /**
2039      * Registers a new incoming call. A {@link ConnectionService} should invoke this method when it
2040      * has an incoming call. For managed {@link ConnectionService}s, the specified
2041      * {@link PhoneAccountHandle} must have been registered with {@link #registerPhoneAccount} and
2042      * the user must have enabled the corresponding {@link PhoneAccount}.  This can be checked using
2043      * {@link #getPhoneAccount}. Self-managed {@link ConnectionService}s must have
2044      * {@link android.Manifest.permission#MANAGE_OWN_CALLS} to add a new incoming call.
2045      * <p>
2046      * The incoming call you are adding is assumed to have a video state of
2047      * {@link VideoProfile#STATE_AUDIO_ONLY}, unless the extra value
2048      * {@link #EXTRA_INCOMING_VIDEO_STATE} is specified.
2049      * <p>
2050      * Once invoked, this method will cause the system to bind to the {@link ConnectionService}
2051      * associated with the {@link PhoneAccountHandle} and request additional information about the
2052      * call (See {@link ConnectionService#onCreateIncomingConnection}) before starting the incoming
2053      * call UI.
2054      * <p>
2055      * For a managed {@link ConnectionService}, a {@link SecurityException} will be thrown if either
2056      * the {@link PhoneAccountHandle} does not correspond to a registered {@link PhoneAccount} or
2057      * the associated {@link PhoneAccount} is not currently enabled by the user.
2058      * <p>
2059      * For a self-managed {@link ConnectionService}, a {@link SecurityException} will be thrown if
2060      * the {@link PhoneAccount} has {@link PhoneAccount#CAPABILITY_SELF_MANAGED} and the calling app
2061      * does not have {@link android.Manifest.permission#MANAGE_OWN_CALLS}.
2062      *
2063      * @param phoneAccount A {@link PhoneAccountHandle} registered with
2064      *            {@link #registerPhoneAccount}.
2065      * @param extras A bundle that will be passed through to
2066      *            {@link ConnectionService#onCreateIncomingConnection}.
2067      */
addNewIncomingCall(PhoneAccountHandle phoneAccount, Bundle extras)2068     public void addNewIncomingCall(PhoneAccountHandle phoneAccount, Bundle extras) {
2069         ITelecomService service = getTelecomService();
2070         if (service != null) {
2071             try {
2072                 if (extras != null && extras.getBoolean(EXTRA_IS_HANDOVER) &&
2073                         mContext.getApplicationContext().getApplicationInfo().targetSdkVersion >
2074                                 Build.VERSION_CODES.O_MR1) {
2075                     Log.e("TAG", "addNewIncomingCall failed. Use public api " +
2076                             "acceptHandover for API > O-MR1");
2077                     return;
2078                 }
2079                 service.addNewIncomingCall(phoneAccount, extras == null ? new Bundle() : extras);
2080             } catch (RemoteException e) {
2081                 Log.e(TAG, "RemoteException adding a new incoming call: " + phoneAccount, e);
2082             }
2083         }
2084     }
2085 
2086     /**
2087      * Registers a new incoming conference. A {@link ConnectionService} should invoke this method
2088      * when it has an incoming conference. An incoming {@link Conference} is an adhoc conference
2089      * call initiated on another device which the user is being invited to join in. For managed
2090      * {@link ConnectionService}s, the specified {@link PhoneAccountHandle} must have been
2091      * registered with {@link #registerPhoneAccount} and the user must have enabled the
2092      * corresponding {@link PhoneAccount}.  This can be checked using
2093      * {@link #getPhoneAccount(PhoneAccountHandle)}. Self-managed {@link ConnectionService}s must
2094      * have {@link android.Manifest.permission#MANAGE_OWN_CALLS} to add a new incoming call.
2095      * <p>
2096      * The incoming conference you are adding is assumed to have a video state of
2097      * {@link VideoProfile#STATE_AUDIO_ONLY}, unless the extra value
2098      * {@link #EXTRA_INCOMING_VIDEO_STATE} is specified.
2099      * <p>
2100      * Once invoked, this method will cause the system to bind to the {@link ConnectionService}
2101      * associated with the {@link PhoneAccountHandle} and request additional information about the
2102      * call (See
2103      * {@link ConnectionService#onCreateIncomingConference(PhoneAccountHandle, ConnectionRequest)})
2104      * before starting the incoming call UI.
2105      * <p>
2106      * For a managed {@link ConnectionService}, a {@link SecurityException} will be thrown if either
2107      * the {@link PhoneAccountHandle} does not correspond to a registered {@link PhoneAccount} or
2108      * the associated {@link PhoneAccount} is not currently enabled by the user.
2109      *
2110      * @param phoneAccount A {@link PhoneAccountHandle} registered with
2111      *            {@link #registerPhoneAccount}.
2112      * @param extras A bundle that will be passed through to
2113      *            {@link ConnectionService#onCreateIncomingConference}.
2114      */
addNewIncomingConference(@onNull PhoneAccountHandle phoneAccount, @NonNull Bundle extras)2115     public void addNewIncomingConference(@NonNull PhoneAccountHandle phoneAccount,
2116             @NonNull Bundle extras) {
2117         ITelecomService service = getTelecomService();
2118         if (service != null) {
2119             try {
2120                 service.addNewIncomingConference(
2121                         phoneAccount, extras == null ? new Bundle() : extras);
2122             } catch (RemoteException e) {
2123                 Log.e(TAG, "RemoteException adding a new incoming conference: " + phoneAccount, e);
2124             }
2125         }
2126     }
2127 
2128     /**
2129      * Registers a new unknown call with Telecom. This can only be called by the system Telephony
2130      * service. This is invoked when Telephony detects a new unknown connection that was neither
2131      * a new incoming call, nor an user-initiated outgoing call.
2132      *
2133      * @param phoneAccount A {@link PhoneAccountHandle} registered with
2134      *            {@link #registerPhoneAccount}.
2135      * @param extras A bundle that will be passed through to
2136      *            {@link ConnectionService#onCreateIncomingConnection}.
2137      * @hide
2138      */
2139     @SystemApi
addNewUnknownCall(PhoneAccountHandle phoneAccount, Bundle extras)2140     public void addNewUnknownCall(PhoneAccountHandle phoneAccount, Bundle extras) {
2141         ITelecomService service = getTelecomService();
2142         if (service != null) {
2143             try {
2144                 service.addNewUnknownCall(
2145                         phoneAccount, extras == null ? new Bundle() : extras);
2146             } catch (RemoteException e) {
2147                 Log.e(TAG, "RemoteException adding a new unknown call: " + phoneAccount, e);
2148             }
2149         }
2150     }
2151 
2152     /**
2153      * Processes the specified dial string as an MMI code.
2154      * MMI codes are any sequence of characters entered into the dialpad that contain a "*" or "#".
2155      * Some of these sequences launch special behavior through handled by Telephony.
2156      * This method uses the default subscription.
2157      * <p>
2158      * Requires that the method-caller be set as the system dialer app.
2159      * </p>
2160      *
2161      * @param dialString The digits to dial.
2162      * @return True if the digits were processed as an MMI code, false otherwise.
2163      */
2164     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
handleMmi(String dialString)2165     public boolean handleMmi(String dialString) {
2166         ITelecomService service = getTelecomService();
2167         if (service != null) {
2168             try {
2169                 return service.handlePinMmi(dialString, mContext.getOpPackageName());
2170             } catch (RemoteException e) {
2171                 Log.e(TAG, "Error calling ITelecomService#handlePinMmi", e);
2172             }
2173         }
2174         return false;
2175     }
2176 
2177     /**
2178      * Processes the specified dial string as an MMI code.
2179      * MMI codes are any sequence of characters entered into the dialpad that contain a "*" or "#".
2180      * Some of these sequences launch special behavior through handled by Telephony.
2181      * <p>
2182      * Requires that the method-caller be set as the system dialer app.
2183      * </p>
2184      *
2185      * @param accountHandle The handle for the account the MMI code should apply to.
2186      * @param dialString The digits to dial.
2187      * @return True if the digits were processed as an MMI code, false otherwise.
2188      */
2189     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
handleMmi(String dialString, PhoneAccountHandle accountHandle)2190     public boolean handleMmi(String dialString, PhoneAccountHandle accountHandle) {
2191         ITelecomService service = getTelecomService();
2192         if (service != null) {
2193             try {
2194                 return service.handlePinMmiForPhoneAccount(accountHandle, dialString,
2195                         mContext.getOpPackageName());
2196             } catch (RemoteException e) {
2197                 Log.e(TAG, "Error calling ITelecomService#handlePinMmi", e);
2198             }
2199         }
2200         return false;
2201     }
2202 
2203     /**
2204      * Returns a URI (with the content:// scheme) specific to the specified {@link PhoneAccount}
2205      * for ADN content retrieval.
2206      * @param accountHandle The handle for the account to derive an adn query URI for or
2207      * {@code null} to return a URI which will use the default account.
2208      * @return The URI (with the content:// scheme) specific to the specified {@link PhoneAccount}
2209      * for the the content retrieve.
2210      */
2211     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
getAdnUriForPhoneAccount(PhoneAccountHandle accountHandle)2212     public Uri getAdnUriForPhoneAccount(PhoneAccountHandle accountHandle) {
2213         ITelecomService service = getTelecomService();
2214         if (service != null && accountHandle != null) {
2215             try {
2216                 return service.getAdnUriForPhoneAccount(accountHandle, mContext.getOpPackageName());
2217             } catch (RemoteException e) {
2218                 Log.e(TAG, "Error calling ITelecomService#getAdnUriForPhoneAccount", e);
2219             }
2220         }
2221         return Uri.parse("content://icc/adn");
2222     }
2223 
2224     /**
2225      * Removes the missed-call notification if one is present.
2226      * <p>
2227      * Requires that the method-caller be set as the system dialer app.
2228      * </p>
2229      */
2230     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
cancelMissedCallsNotification()2231     public void cancelMissedCallsNotification() {
2232         ITelecomService service = getTelecomService();
2233         if (service != null) {
2234             try {
2235                 service.cancelMissedCallsNotification(mContext.getOpPackageName());
2236             } catch (RemoteException e) {
2237                 Log.e(TAG, "Error calling ITelecomService#cancelMissedCallsNotification", e);
2238             }
2239         }
2240     }
2241 
2242     /**
2243      * Brings the in-call screen to the foreground if there is an ongoing call. If there is
2244      * currently no ongoing call, then this method does nothing.
2245      * <p>
2246      * Requires that the method-caller be set as the system dialer app or have the
2247      * {@link android.Manifest.permission#READ_PHONE_STATE} permission.
2248      * </p>
2249      *
2250      * @param showDialpad Brings up the in-call dialpad as part of showing the in-call screen.
2251      */
2252     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
showInCallScreen(boolean showDialpad)2253     public void showInCallScreen(boolean showDialpad) {
2254         ITelecomService service = getTelecomService();
2255         if (service != null) {
2256             try {
2257                 service.showInCallScreen(showDialpad, mContext.getOpPackageName(),
2258                         mContext.getAttributionTag());
2259             } catch (RemoteException e) {
2260                 Log.e(TAG, "Error calling ITelecomService#showCallScreen", e);
2261             }
2262         }
2263     }
2264 
2265     /**
2266      * Places a new outgoing call to the provided address using the system telecom service with
2267      * the specified extras.
2268      *
2269      * This method is equivalent to placing an outgoing call using {@link Intent#ACTION_CALL},
2270      * except that the outgoing call will always be sent via the system telecom service. If
2271      * method-caller is either the user selected default dialer app or preloaded system dialer
2272      * app, then emergency calls will also be allowed.
2273      *
2274      * Placing a call via a managed {@link ConnectionService} requires permission:
2275      * {@link android.Manifest.permission#CALL_PHONE}
2276      *
2277      * Usage example:
2278      * <pre>
2279      * Uri uri = Uri.fromParts("tel", "12345", null);
2280      * Bundle extras = new Bundle();
2281      * extras.putBoolean(TelecomManager.EXTRA_START_CALL_WITH_SPEAKERPHONE, true);
2282      * telecomManager.placeCall(uri, extras);
2283      * </pre>
2284      *
2285      * The following keys are supported in the supplied extras.
2286      * <ul>
2287      *   <li>{@link #EXTRA_OUTGOING_CALL_EXTRAS}</li>
2288      *   <li>{@link #EXTRA_PHONE_ACCOUNT_HANDLE}</li>
2289      *   <li>{@link #EXTRA_START_CALL_WITH_SPEAKERPHONE}</li>
2290      *   <li>{@link #EXTRA_START_CALL_WITH_VIDEO_STATE}</li>
2291      * </ul>
2292      * <p>
2293      * An app which implements the self-managed {@link ConnectionService} API uses
2294      * {@link #placeCall(Uri, Bundle)} to inform Telecom of a new outgoing call.  A self-managed
2295      * {@link ConnectionService} must include {@link #EXTRA_PHONE_ACCOUNT_HANDLE} to specify its
2296      * associated {@link android.telecom.PhoneAccountHandle}.
2297      *
2298      * Self-managed {@link ConnectionService}s require permission
2299      * {@link android.Manifest.permission#MANAGE_OWN_CALLS}.
2300      *
2301      * <p class="note"><strong>Note:</strong> If this method is used to place an emergency call, it
2302      * is not guaranteed that the call will be placed on the {@link PhoneAccount} provided in
2303      * the {@link #EXTRA_PHONE_ACCOUNT_HANDLE} extra (if specified) and may be placed on another
2304      * {@link PhoneAccount} with the {@link PhoneAccount#CAPABILITY_PLACE_EMERGENCY_CALLS}
2305      * capability, depending on external factors, such as network conditions and Modem/SIM status.
2306      * </p>
2307      *
2308      * @param address The address to make the call to.
2309      * @param extras Bundle of extras to use with the call.
2310      */
2311     @RequiresPermission(anyOf = {android.Manifest.permission.CALL_PHONE,
2312             android.Manifest.permission.MANAGE_OWN_CALLS})
placeCall(Uri address, Bundle extras)2313     public void placeCall(Uri address, Bundle extras) {
2314         ITelecomService service = getTelecomService();
2315         if (service != null) {
2316             if (address == null) {
2317                 Log.w(TAG, "Cannot place call to empty address.");
2318             }
2319             try {
2320                 service.placeCall(address, extras == null ? new Bundle() : extras,
2321                         mContext.getOpPackageName(), mContext.getAttributionTag());
2322             } catch (RemoteException e) {
2323                 Log.e(TAG, "Error calling ITelecomService#placeCall", e);
2324             }
2325         }
2326     }
2327 
2328 
2329     /**
2330      * Place a new adhoc conference call with the provided participants using the system telecom
2331      * service. This method doesn't support placing of emergency calls.
2332      *
2333      * An adhoc conference call is established by providing a list of addresses to
2334      * {@code TelecomManager#startConference(List<Uri>, int videoState)} where the
2335      * {@link ConnectionService} is responsible for connecting all indicated participants
2336      * to a conference simultaneously.
2337      * This is in contrast to conferences formed by merging calls together (e.g. using
2338      * {@link android.telecom.Call#mergeConference()}).
2339      *
2340      * The following keys are supported in the supplied extras.
2341      * <ul>
2342      *   <li>{@link #EXTRA_PHONE_ACCOUNT_HANDLE}</li>
2343      *   <li>{@link #EXTRA_START_CALL_WITH_SPEAKERPHONE}</li>
2344      *   <li>{@link #EXTRA_START_CALL_WITH_VIDEO_STATE}</li>
2345      * </ul>
2346      *
2347      * @param participants List of participants to start conference with
2348      * @param extras Bundle of extras to use with the call
2349      */
2350     @RequiresPermission(android.Manifest.permission.CALL_PHONE)
startConference(@onNull List<Uri> participants, @NonNull Bundle extras)2351     public void startConference(@NonNull List<Uri> participants,
2352             @NonNull Bundle extras) {
2353         ITelecomService service = getTelecomService();
2354         if (service != null) {
2355             try {
2356                 service.startConference(participants, extras,
2357                         mContext.getOpPackageName());
2358             } catch (RemoteException e) {
2359                 Log.e(TAG, "Error calling ITelecomService#placeCall", e);
2360             }
2361         }
2362     }
2363 
2364     /**
2365      * Enables and disables specified phone account.
2366      *
2367      * @param handle Handle to the phone account.
2368      * @param isEnabled Enable state of the phone account.
2369      * @hide
2370      */
2371     @SystemApi
2372     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
enablePhoneAccount(PhoneAccountHandle handle, boolean isEnabled)2373     public void enablePhoneAccount(PhoneAccountHandle handle, boolean isEnabled) {
2374         ITelecomService service = getTelecomService();
2375         if (service != null) {
2376             try {
2377                 service.enablePhoneAccount(handle, isEnabled);
2378             } catch (RemoteException e) {
2379                 Log.e(TAG, "Error enablePhoneAbbount", e);
2380             }
2381         }
2382     }
2383 
2384     /**
2385      * Dumps telecom analytics for uploading.
2386      *
2387      * @return
2388      * @hide
2389      */
2390     @SystemApi
2391     @RequiresPermission(Manifest.permission.DUMP)
dumpAnalytics()2392     public TelecomAnalytics dumpAnalytics() {
2393         ITelecomService service = getTelecomService();
2394         TelecomAnalytics result = null;
2395         if (service != null) {
2396             try {
2397                 result = service.dumpCallAnalytics();
2398             } catch (RemoteException e) {
2399                 Log.e(TAG, "Error dumping call analytics", e);
2400             }
2401         }
2402         return result;
2403     }
2404 
2405     /**
2406      * Creates the {@link Intent} which can be used with {@link Context#startActivity(Intent)} to
2407      * launch the activity to manage blocked numbers.
2408      * <p> The activity will display the UI to manage blocked numbers only if
2409      * {@link android.provider.BlockedNumberContract#canCurrentUserBlockNumbers(Context)} returns
2410      * {@code true} for the current user.
2411      */
createManageBlockedNumbersIntent()2412     public Intent createManageBlockedNumbersIntent() {
2413         ITelecomService service = getTelecomService();
2414         Intent result = null;
2415         if (service != null) {
2416             try {
2417                 result = service.createManageBlockedNumbersIntent();
2418             } catch (RemoteException e) {
2419                 Log.e(TAG, "Error calling ITelecomService#createManageBlockedNumbersIntent", e);
2420             }
2421         }
2422         return result;
2423     }
2424 
2425 
2426     /**
2427      * Creates the {@link Intent} which can be used with {@link Context#startActivity(Intent)} to
2428      * launch the activity for emergency dialer.
2429      *
2430      * @param number Optional number to call in emergency dialer
2431      * @hide
2432      */
2433     @SystemApi
2434     @NonNull
createLaunchEmergencyDialerIntent(@ullable String number)2435     public Intent createLaunchEmergencyDialerIntent(@Nullable String number) {
2436         ITelecomService service = getTelecomService();
2437         if (service != null) {
2438             try {
2439                 return service.createLaunchEmergencyDialerIntent(number);
2440             } catch (RemoteException e) {
2441                 Log.e(TAG, "Error createLaunchEmergencyDialerIntent", e);
2442             }
2443         } else {
2444             Log.w(TAG, "createLaunchEmergencyDialerIntent - Telecom service not available.");
2445         }
2446 
2447         // Telecom service knows the package name of the expected emergency dialer package; if it
2448         // is not available, then fallback to not targeting a specific package.
2449         Intent intent = new Intent(Intent.ACTION_DIAL_EMERGENCY);
2450         if (!TextUtils.isEmpty(number) && TextUtils.isDigitsOnly(number)) {
2451             intent.setData(Uri.fromParts(PhoneAccount.SCHEME_TEL, number, null));
2452         }
2453         return intent;
2454     }
2455 
2456     /**
2457      * Determines whether Telecom would permit an incoming call to be added via the
2458      * {@link #addNewIncomingCall(PhoneAccountHandle, Bundle)} API for the specified
2459      * {@link PhoneAccountHandle}.
2460      * <p>
2461      * A {@link ConnectionService} may not add a call for the specified {@link PhoneAccountHandle}
2462      * in the following situations:
2463      * <ul>
2464      *     <li>{@link PhoneAccount} does not have property
2465      *     {@link PhoneAccount#CAPABILITY_SELF_MANAGED} set (i.e. it is a managed
2466      *     {@link ConnectionService}), and the active or held call limit has
2467      *     been reached.</li>
2468      *     <li>There is an ongoing emergency call.</li>
2469      * </ul>
2470      *
2471      * @param phoneAccountHandle The {@link PhoneAccountHandle} the call will be added for.
2472      * @return {@code true} if telecom will permit an incoming call to be added, {@code false}
2473      *      otherwise.
2474      */
isIncomingCallPermitted(PhoneAccountHandle phoneAccountHandle)2475     public boolean isIncomingCallPermitted(PhoneAccountHandle phoneAccountHandle) {
2476         if (phoneAccountHandle == null) {
2477             return false;
2478         }
2479 
2480         ITelecomService service = getTelecomService();
2481         if (service != null) {
2482             try {
2483                 return service.isIncomingCallPermitted(phoneAccountHandle,
2484                         mContext.getOpPackageName());
2485             } catch (RemoteException e) {
2486                 Log.e(TAG, "Error isIncomingCallPermitted", e);
2487             }
2488         }
2489         return false;
2490     }
2491 
2492     /**
2493      * Determines whether Telecom would permit an outgoing call to be placed via the
2494      * {@link #placeCall(Uri, Bundle)} API for the specified {@link PhoneAccountHandle}.
2495      * <p>
2496      * A {@link ConnectionService} may not place a call for the specified {@link PhoneAccountHandle}
2497      * in the following situations:
2498      * <ul>
2499      *     <li>{@link PhoneAccount} does not have property
2500      *     {@link PhoneAccount#CAPABILITY_SELF_MANAGED} set (i.e. it is a managed
2501      *     {@link ConnectionService}), and the active, held or ringing call limit has
2502      *     been reached.</li>
2503      *     <li>{@link PhoneAccount} has property {@link PhoneAccount#CAPABILITY_SELF_MANAGED} set
2504      *     (i.e. it is a self-managed {@link ConnectionService} and there is an ongoing call in
2505      *     another {@link ConnectionService}.</li>
2506      *     <li>There is an ongoing emergency call.</li>
2507      * </ul>
2508      *
2509      * @param phoneAccountHandle The {@link PhoneAccountHandle} the call will be added for.
2510      * @return {@code true} if telecom will permit an outgoing call to be placed, {@code false}
2511      *      otherwise.
2512      */
isOutgoingCallPermitted(PhoneAccountHandle phoneAccountHandle)2513     public boolean isOutgoingCallPermitted(PhoneAccountHandle phoneAccountHandle) {
2514         ITelecomService service = getTelecomService();
2515         if (service != null) {
2516             try {
2517                 return service.isOutgoingCallPermitted(phoneAccountHandle,
2518                         mContext.getOpPackageName());
2519             } catch (RemoteException e) {
2520                 Log.e(TAG, "Error isOutgoingCallPermitted", e);
2521             }
2522         }
2523         return false;
2524     }
2525 
2526     /**
2527      * Called by an app to indicate that it wishes to accept the handover of an ongoing call to a
2528      * {@link PhoneAccountHandle} it defines.
2529      * <p>
2530      * A call handover is the process where an ongoing call is transferred from one app (i.e.
2531      * {@link ConnectionService} to another app.  The user could, for example, choose to continue a
2532      * mobile network call in a video calling app.  The mobile network call via the Telephony stack
2533      * is referred to as the source of the handover, and the video calling app is referred to as the
2534      * destination.
2535      * <p>
2536      * When considering a handover scenario the <em>initiating</em> device is where a user initiated
2537      * the handover process (e.g. by calling {@link android.telecom.Call#handoverTo(
2538      * PhoneAccountHandle, int, Bundle)}, and the other device is considered the <em>receiving</em>
2539      * device.
2540      * <p>
2541      * For a full discussion of the handover process and the APIs involved, see
2542      * {@link android.telecom.Call#handoverTo(PhoneAccountHandle, int, Bundle)}.
2543      * <p>
2544      * This method is called from the <em>receiving</em> side of a handover to indicate a desire to
2545      * accept the handover of an ongoing call to another {@link ConnectionService} identified by
2546      * {@link PhoneAccountHandle} destAcct. For managed {@link ConnectionService}s, the specified
2547      * {@link PhoneAccountHandle} must have been registered with {@link #registerPhoneAccount} and
2548      * the user must have enabled the corresponding {@link PhoneAccount}.  This can be checked using
2549      * {@link #getPhoneAccount}. Self-managed {@link ConnectionService}s must have
2550      * {@link android.Manifest.permission#MANAGE_OWN_CALLS} to handover a call to it.
2551      * <p>
2552      * Once invoked, this method will cause the system to bind to the {@link ConnectionService}
2553      * associated with the {@link PhoneAccountHandle} destAcct and call
2554      * (See {@link ConnectionService#onCreateIncomingHandoverConnection}).
2555      * <p>
2556      * For a managed {@link ConnectionService}, a {@link SecurityException} will be thrown if either
2557      * the {@link PhoneAccountHandle} destAcct does not correspond to a registered
2558      * {@link PhoneAccount} or the associated {@link PhoneAccount} is not currently enabled by the
2559      * user.
2560      * <p>
2561      * For a self-managed {@link ConnectionService}, a {@link SecurityException} will be thrown if
2562      * the calling app does not have {@link android.Manifest.permission#MANAGE_OWN_CALLS}.
2563      *
2564      * @param srcAddr The {@link android.net.Uri} of the ongoing call to handover to the caller’s
2565      *                {@link ConnectionService}.
2566      * @param videoState Video state after the handover.
2567      * @param destAcct The {@link PhoneAccountHandle} registered to the calling package.
2568      */
acceptHandover(Uri srcAddr, @VideoProfile.VideoState int videoState, PhoneAccountHandle destAcct)2569     public void acceptHandover(Uri srcAddr, @VideoProfile.VideoState int videoState,
2570             PhoneAccountHandle destAcct) {
2571         ITelecomService service = getTelecomService();
2572         if (service != null) {
2573             try {
2574                 service.acceptHandover(srcAddr, videoState, destAcct);
2575             } catch (RemoteException e) {
2576                 Log.e(TAG, "RemoteException acceptHandover: " + e);
2577             }
2578         }
2579     }
2580 
2581     /**
2582      * Determines if there is an ongoing emergency call.  This can be either an outgoing emergency
2583      * call, as identified by the dialed number, or because a call was identified by the network
2584      * as an emergency call.
2585      * @return {@code true} if there is an ongoing emergency call, {@code false} otherwise.
2586      * @hide
2587      */
2588     @SystemApi
2589     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
isInEmergencyCall()2590     public boolean isInEmergencyCall() {
2591         ITelecomService service = getTelecomService();
2592         if (service != null) {
2593             try {
2594                 return service.isInEmergencyCall();
2595             } catch (RemoteException e) {
2596                 Log.e(TAG, "RemoteException isInEmergencyCall: " + e);
2597                 return false;
2598             }
2599         }
2600         return false;
2601     }
2602 
2603     /**
2604      * Determines whether there are any ongoing {@link PhoneAccount#CAPABILITY_SELF_MANAGED}
2605      * calls for a given {@code packageName} and {@code userHandle}.
2606      *
2607      * @param packageName the package name of the app to check calls for.
2608      * @param userHandle the user handle on which to check for calls.
2609      * @return {@code true} if there are ongoing calls, {@code false} otherwise.
2610      * @hide
2611      */
2612     @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
isInSelfManagedCall(@onNull String packageName, @NonNull UserHandle userHandle)2613     public boolean isInSelfManagedCall(@NonNull String packageName,
2614             @NonNull UserHandle userHandle) {
2615         ITelecomService service = getTelecomService();
2616         if (service != null) {
2617             try {
2618                 return service.isInSelfManagedCall(packageName, userHandle,
2619                         mContext.getOpPackageName());
2620             } catch (RemoteException e) {
2621                 Log.e(TAG, "RemoteException isInSelfManagedCall: " + e);
2622                 e.rethrowFromSystemServer();
2623                 return false;
2624             }
2625         } else {
2626             throw new IllegalStateException("Telecom service is not present");
2627         }
2628     }
2629 
2630     /**
2631      * Handles {@link Intent#ACTION_CALL} intents trampolined from UserCallActivity.
2632      * @param intent The {@link Intent#ACTION_CALL} intent to handle.
2633      * @param callingPackageProxy The original package that called this before it was trampolined.
2634      * @hide
2635      */
handleCallIntent(Intent intent, String callingPackageProxy)2636     public void handleCallIntent(Intent intent, String callingPackageProxy) {
2637         ITelecomService service = getTelecomService();
2638         if (service != null) {
2639             try {
2640                 service.handleCallIntent(intent, callingPackageProxy);
2641             } catch (RemoteException e) {
2642                 Log.e(TAG, "RemoteException handleCallIntent: " + e);
2643             }
2644         }
2645     }
2646 
isSystemProcess()2647     private boolean isSystemProcess() {
2648         return Process.myUid() == Process.SYSTEM_UID;
2649     }
2650 
getTelecomService()2651     private ITelecomService getTelecomService() {
2652         if (mTelecomServiceOverride != null) {
2653             return mTelecomServiceOverride;
2654         }
2655         if (sTelecomService == null) {
2656             ITelecomService temp = ITelecomService.Stub.asInterface(
2657                     ServiceManager.getService(Context.TELECOM_SERVICE));
2658             synchronized (CACHE_LOCK) {
2659                 if (sTelecomService == null && temp != null) {
2660                     try {
2661                         sTelecomService = temp;
2662                         sTelecomService.asBinder().linkToDeath(SERVICE_DEATH, 0);
2663                     } catch (Exception e) {
2664                         sTelecomService = null;
2665                     }
2666                 }
2667             }
2668         }
2669         return sTelecomService;
2670     }
2671 
2672     private static class DeathRecipient implements IBinder.DeathRecipient {
2673         @Override
binderDied()2674         public void binderDied() {
2675             resetServiceCache();
2676         }
2677     }
2678 
resetServiceCache()2679     private static void resetServiceCache() {
2680         synchronized (CACHE_LOCK) {
2681             if (sTelecomService != null) {
2682                 sTelecomService.asBinder().unlinkToDeath(SERVICE_DEATH, 0);
2683                 sTelecomService = null;
2684             }
2685         }
2686     }
2687 }
2688