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1 /*
2  * Copyright (C) 2007 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.content.pm;
18 
19 import android.annotation.IntDef;
20 import android.content.res.Configuration;
21 import android.os.Parcel;
22 import android.os.Parcelable;
23 import android.util.Printer;
24 
25 import java.lang.annotation.Retention;
26 import java.lang.annotation.RetentionPolicy;
27 
28 /**
29  * Information you can retrieve about a particular application
30  * activity or receiver. This corresponds to information collected
31  * from the AndroidManifest.xml's <activity> and
32  * <receiver> tags.
33  */
34 public class ActivityInfo extends ComponentInfo
35         implements Parcelable {
36 
37      // NOTE: When adding new data members be sure to update the copy-constructor, Parcel
38      // constructor, and writeToParcel.
39 
40     /**
41      * A style resource identifier (in the package's resources) of this
42      * activity's theme.  From the "theme" attribute or, if not set, 0.
43      */
44     public int theme;
45 
46     /**
47      * Constant corresponding to <code>standard</code> in
48      * the {@link android.R.attr#launchMode} attribute.
49      */
50     public static final int LAUNCH_MULTIPLE = 0;
51     /**
52      * Constant corresponding to <code>singleTop</code> in
53      * the {@link android.R.attr#launchMode} attribute.
54      */
55     public static final int LAUNCH_SINGLE_TOP = 1;
56     /**
57      * Constant corresponding to <code>singleTask</code> in
58      * the {@link android.R.attr#launchMode} attribute.
59      */
60     public static final int LAUNCH_SINGLE_TASK = 2;
61     /**
62      * Constant corresponding to <code>singleInstance</code> in
63      * the {@link android.R.attr#launchMode} attribute.
64      */
65     public static final int LAUNCH_SINGLE_INSTANCE = 3;
66     /**
67      * The launch mode style requested by the activity.  From the
68      * {@link android.R.attr#launchMode} attribute, one of
69      * {@link #LAUNCH_MULTIPLE},
70      * {@link #LAUNCH_SINGLE_TOP}, {@link #LAUNCH_SINGLE_TASK}, or
71      * {@link #LAUNCH_SINGLE_INSTANCE}.
72      */
73     public int launchMode;
74 
75     /**
76      * Constant corresponding to <code>none</code> in
77      * the {@link android.R.attr#documentLaunchMode} attribute.
78      */
79     public static final int DOCUMENT_LAUNCH_NONE = 0;
80     /**
81      * Constant corresponding to <code>intoExisting</code> in
82      * the {@link android.R.attr#documentLaunchMode} attribute.
83      */
84     public static final int DOCUMENT_LAUNCH_INTO_EXISTING = 1;
85     /**
86      * Constant corresponding to <code>always</code> in
87      * the {@link android.R.attr#documentLaunchMode} attribute.
88      */
89     public static final int DOCUMENT_LAUNCH_ALWAYS = 2;
90     /**
91      * Constant corresponding to <code>never</code> in
92      * the {@link android.R.attr#documentLaunchMode} attribute.
93      */
94     public static final int DOCUMENT_LAUNCH_NEVER = 3;
95     /**
96      * The document launch mode style requested by the activity. From the
97      * {@link android.R.attr#documentLaunchMode} attribute, one of
98      * {@link #DOCUMENT_LAUNCH_NONE}, {@link #DOCUMENT_LAUNCH_INTO_EXISTING},
99      * {@link #DOCUMENT_LAUNCH_ALWAYS}.
100      *
101      * <p>Modes DOCUMENT_LAUNCH_ALWAYS
102      * and DOCUMENT_LAUNCH_INTO_EXISTING are equivalent to {@link
103      * android.content.Intent#FLAG_ACTIVITY_NEW_DOCUMENT
104      * Intent.FLAG_ACTIVITY_NEW_DOCUMENT} with and without {@link
105      * android.content.Intent#FLAG_ACTIVITY_MULTIPLE_TASK
106      * Intent.FLAG_ACTIVITY_MULTIPLE_TASK} respectively.
107      */
108     public int documentLaunchMode;
109 
110     /**
111      * Constant corresponding to <code>persistRootOnly</code> in
112      * the {@link android.R.attr#persistableMode} attribute.
113      */
114     public static final int PERSIST_ROOT_ONLY = 0;
115     /**
116      * Constant corresponding to <code>doNotPersist</code> in
117      * the {@link android.R.attr#persistableMode} attribute.
118      */
119     public static final int PERSIST_NEVER = 1;
120     /**
121      * Constant corresponding to <code>persistAcrossReboots</code> in
122      * the {@link android.R.attr#persistableMode} attribute.
123      */
124     public static final int PERSIST_ACROSS_REBOOTS = 2;
125     /**
126      * Value indicating how this activity is to be persisted across
127      * reboots for restoring in the Recents list.
128      * {@link android.R.attr#persistableMode}
129      */
130     public int persistableMode;
131 
132     /**
133      * The maximum number of tasks rooted at this activity that can be in the recent task list.
134      * Refer to {@link android.R.attr#maxRecents}.
135      */
136     public int maxRecents;
137 
138     /**
139      * Optional name of a permission required to be able to access this
140      * Activity.  From the "permission" attribute.
141      */
142     public String permission;
143 
144     /**
145      * The affinity this activity has for another task in the system.  The
146      * string here is the name of the task, often the package name of the
147      * overall package.  If null, the activity has no affinity.  Set from the
148      * {@link android.R.attr#taskAffinity} attribute.
149      */
150     public String taskAffinity;
151 
152     /**
153      * If this is an activity alias, this is the real activity class to run
154      * for it.  Otherwise, this is null.
155      */
156     public String targetActivity;
157 
158     /**
159      * Bit in {@link #flags} indicating whether this activity is able to
160      * run in multiple processes.  If
161      * true, the system may instantiate it in the some process as the
162      * process starting it in order to conserve resources.  If false, the
163      * default, it always runs in {@link #processName}.  Set from the
164      * {@link android.R.attr#multiprocess} attribute.
165      */
166     public static final int FLAG_MULTIPROCESS = 0x0001;
167     /**
168      * Bit in {@link #flags} indicating that, when the activity's task is
169      * relaunched from home, this activity should be finished.
170      * Set from the
171      * {@link android.R.attr#finishOnTaskLaunch} attribute.
172      */
173     public static final int FLAG_FINISH_ON_TASK_LAUNCH = 0x0002;
174     /**
175      * Bit in {@link #flags} indicating that, when the activity is the root
176      * of a task, that task's stack should be cleared each time the user
177      * re-launches it from home.  As a result, the user will always
178      * return to the original activity at the top of the task.
179      * This flag only applies to activities that
180      * are used to start the root of a new task.  Set from the
181      * {@link android.R.attr#clearTaskOnLaunch} attribute.
182      */
183     public static final int FLAG_CLEAR_TASK_ON_LAUNCH = 0x0004;
184     /**
185      * Bit in {@link #flags} indicating that, when the activity is the root
186      * of a task, that task's stack should never be cleared when it is
187      * relaunched from home.  Set from the
188      * {@link android.R.attr#alwaysRetainTaskState} attribute.
189      */
190     public static final int FLAG_ALWAYS_RETAIN_TASK_STATE = 0x0008;
191     /**
192      * Bit in {@link #flags} indicating that the activity's state
193      * is not required to be saved, so that if there is a failure the
194      * activity will not be removed from the activity stack.  Set from the
195      * {@link android.R.attr#stateNotNeeded} attribute.
196      */
197     public static final int FLAG_STATE_NOT_NEEDED = 0x0010;
198     /**
199      * Bit in {@link #flags} that indicates that the activity should not
200      * appear in the list of recently launched activities.  Set from the
201      * {@link android.R.attr#excludeFromRecents} attribute.
202      */
203     public static final int FLAG_EXCLUDE_FROM_RECENTS = 0x0020;
204     /**
205      * Bit in {@link #flags} that indicates that the activity can be moved
206      * between tasks based on its task affinity.  Set from the
207      * {@link android.R.attr#allowTaskReparenting} attribute.
208      */
209     public static final int FLAG_ALLOW_TASK_REPARENTING = 0x0040;
210     /**
211      * Bit in {@link #flags} indicating that, when the user navigates away
212      * from an activity, it should be finished.
213      * Set from the
214      * {@link android.R.attr#noHistory} attribute.
215      */
216     public static final int FLAG_NO_HISTORY = 0x0080;
217     /**
218      * Bit in {@link #flags} indicating that, when a request to close system
219      * windows happens, this activity is finished.
220      * Set from the
221      * {@link android.R.attr#finishOnCloseSystemDialogs} attribute.
222      */
223     public static final int FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS = 0x0100;
224     /**
225      * Value for {@link #flags}: true when the application's rendering should
226      * be hardware accelerated.
227      */
228     public static final int FLAG_HARDWARE_ACCELERATED = 0x0200;
229     /**
230      * Value for {@link #flags}: true when the application can be displayed for all users
231      * regardless of if the user of the application is the current user. Set from the
232      * {@link android.R.attr#showForAllUsers} attribute.
233      * @hide
234      */
235     public static final int FLAG_SHOW_FOR_ALL_USERS = 0x0400;
236     /**
237      * Bit in {@link #flags} corresponding to an immersive activity
238      * that wishes not to be interrupted by notifications.
239      * Applications that hide the system notification bar with
240      * {@link android.view.WindowManager.LayoutParams#FLAG_FULLSCREEN}
241      * may still be interrupted by high-priority notifications; for example, an
242      * incoming phone call may use
243      * {@link android.app.Notification#fullScreenIntent fullScreenIntent}
244      * to present a full-screen in-call activity to the user, pausing the
245      * current activity as a side-effect. An activity with
246      * {@link #FLAG_IMMERSIVE} set, however, will not be interrupted; the
247      * notification may be shown in some other way (such as a small floating
248      * "toast" window).
249      *
250      * Note that this flag will always reflect the Activity's
251      * <code>android:immersive</code> manifest definition, even if the Activity's
252      * immersive state is changed at runtime via
253      * {@link android.app.Activity#setImmersive(boolean)}.
254      *
255      * @see android.app.Notification#FLAG_HIGH_PRIORITY
256      * @see android.app.Activity#setImmersive(boolean)
257      */
258     public static final int FLAG_IMMERSIVE = 0x0800;
259     /**
260      * Bit in {@link #flags}: If set, a task rooted at this activity will have its
261      * baseIntent replaced by the activity immediately above this. Each activity may further
262      * relinquish its identity to the activity above it using this flag. Set from the
263      * {@link android.R.attr#relinquishTaskIdentity} attribute.
264      */
265     public static final int FLAG_RELINQUISH_TASK_IDENTITY = 0x1000;
266     /**
267      * Bit in {@link #flags} indicating that tasks started with this activity are to be
268      * removed from the recent list of tasks when the last activity in the task is finished.
269      * Corresponds to {@link android.R.attr#autoRemoveFromRecents}
270      */
271     public static final int FLAG_AUTO_REMOVE_FROM_RECENTS = 0x2000;
272     /**
273      * Bit in {@link #flags} indicating that this activity can start is creation/resume
274      * while the previous activity is still pausing.  Corresponds to
275      * {@link android.R.attr#resumeWhilePausing}
276      */
277     public static final int FLAG_RESUME_WHILE_PAUSING = 0x4000;
278     /**
279      * @hide Bit in {@link #flags}: If set, this component will only be seen
280      * by the primary user.  Only works with broadcast receivers.  Set from the
281      * android.R.attr#primaryUserOnly attribute.
282      */
283     public static final int FLAG_PRIMARY_USER_ONLY = 0x20000000;
284     /**
285      * Bit in {@link #flags}: If set, a single instance of the receiver will
286      * run for all users on the device.  Set from the
287      * {@link android.R.attr#singleUser} attribute.  Note that this flag is
288      * only relevant for ActivityInfo structures that are describing receiver
289      * components; it is not applied to activities.
290      */
291     public static final int FLAG_SINGLE_USER = 0x40000000;
292     /**
293      * @hide Bit in {@link #flags}: If set, this activity may be launched into an
294      * owned ActivityContainer such as that within an ActivityView. If not set and
295      * this activity is launched into such a container a SecurityExcception will be
296      * thrown. Set from the {@link android.R.attr#allowEmbedded} attribute.
297      */
298     public static final int FLAG_ALLOW_EMBEDDED = 0x80000000;
299     /**
300      * Options that have been set in the activity declaration in the
301      * manifest.
302      * These include:
303      * {@link #FLAG_MULTIPROCESS},
304      * {@link #FLAG_FINISH_ON_TASK_LAUNCH}, {@link #FLAG_CLEAR_TASK_ON_LAUNCH},
305      * {@link #FLAG_ALWAYS_RETAIN_TASK_STATE},
306      * {@link #FLAG_STATE_NOT_NEEDED}, {@link #FLAG_EXCLUDE_FROM_RECENTS},
307      * {@link #FLAG_ALLOW_TASK_REPARENTING}, {@link #FLAG_NO_HISTORY},
308      * {@link #FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS},
309      * {@link #FLAG_HARDWARE_ACCELERATED}, {@link #FLAG_SINGLE_USER}.
310      */
311     public int flags;
312 
313     /** @hide */
314     @IntDef({
315             SCREEN_ORIENTATION_UNSPECIFIED,
316             SCREEN_ORIENTATION_LANDSCAPE,
317             SCREEN_ORIENTATION_PORTRAIT,
318             SCREEN_ORIENTATION_USER,
319             SCREEN_ORIENTATION_BEHIND,
320             SCREEN_ORIENTATION_SENSOR,
321             SCREEN_ORIENTATION_NOSENSOR,
322             SCREEN_ORIENTATION_SENSOR_LANDSCAPE,
323             SCREEN_ORIENTATION_SENSOR_PORTRAIT,
324             SCREEN_ORIENTATION_REVERSE_LANDSCAPE,
325             SCREEN_ORIENTATION_REVERSE_PORTRAIT,
326             SCREEN_ORIENTATION_FULL_SENSOR,
327             SCREEN_ORIENTATION_USER_LANDSCAPE,
328             SCREEN_ORIENTATION_USER_PORTRAIT,
329             SCREEN_ORIENTATION_FULL_USER,
330             SCREEN_ORIENTATION_LOCKED
331     })
332     @Retention(RetentionPolicy.SOURCE)
333     public @interface ScreenOrientation {}
334 
335     /**
336      * Constant corresponding to <code>unspecified</code> in
337      * the {@link android.R.attr#screenOrientation} attribute.
338      */
339     public static final int SCREEN_ORIENTATION_UNSPECIFIED = -1;
340     /**
341      * Constant corresponding to <code>landscape</code> in
342      * the {@link android.R.attr#screenOrientation} attribute.
343      */
344     public static final int SCREEN_ORIENTATION_LANDSCAPE = 0;
345     /**
346      * Constant corresponding to <code>portrait</code> in
347      * the {@link android.R.attr#screenOrientation} attribute.
348      */
349     public static final int SCREEN_ORIENTATION_PORTRAIT = 1;
350     /**
351      * Constant corresponding to <code>user</code> in
352      * the {@link android.R.attr#screenOrientation} attribute.
353      */
354     public static final int SCREEN_ORIENTATION_USER = 2;
355     /**
356      * Constant corresponding to <code>behind</code> in
357      * the {@link android.R.attr#screenOrientation} attribute.
358      */
359     public static final int SCREEN_ORIENTATION_BEHIND = 3;
360     /**
361      * Constant corresponding to <code>sensor</code> in
362      * the {@link android.R.attr#screenOrientation} attribute.
363      */
364     public static final int SCREEN_ORIENTATION_SENSOR = 4;
365 
366     /**
367      * Constant corresponding to <code>nosensor</code> in
368      * the {@link android.R.attr#screenOrientation} attribute.
369      */
370     public static final int SCREEN_ORIENTATION_NOSENSOR = 5;
371 
372     /**
373      * Constant corresponding to <code>sensorLandscape</code> in
374      * the {@link android.R.attr#screenOrientation} attribute.
375      */
376     public static final int SCREEN_ORIENTATION_SENSOR_LANDSCAPE = 6;
377 
378     /**
379      * Constant corresponding to <code>sensorPortrait</code> in
380      * the {@link android.R.attr#screenOrientation} attribute.
381      */
382     public static final int SCREEN_ORIENTATION_SENSOR_PORTRAIT = 7;
383 
384     /**
385      * Constant corresponding to <code>reverseLandscape</code> in
386      * the {@link android.R.attr#screenOrientation} attribute.
387      */
388     public static final int SCREEN_ORIENTATION_REVERSE_LANDSCAPE = 8;
389 
390     /**
391      * Constant corresponding to <code>reversePortrait</code> in
392      * the {@link android.R.attr#screenOrientation} attribute.
393      */
394     public static final int SCREEN_ORIENTATION_REVERSE_PORTRAIT = 9;
395 
396     /**
397      * Constant corresponding to <code>fullSensor</code> in
398      * the {@link android.R.attr#screenOrientation} attribute.
399      */
400     public static final int SCREEN_ORIENTATION_FULL_SENSOR = 10;
401 
402     /**
403      * Constant corresponding to <code>userLandscape</code> in
404      * the {@link android.R.attr#screenOrientation} attribute.
405      */
406     public static final int SCREEN_ORIENTATION_USER_LANDSCAPE = 11;
407 
408     /**
409      * Constant corresponding to <code>userPortrait</code> in
410      * the {@link android.R.attr#screenOrientation} attribute.
411      */
412     public static final int SCREEN_ORIENTATION_USER_PORTRAIT = 12;
413 
414     /**
415      * Constant corresponding to <code>fullUser</code> in
416      * the {@link android.R.attr#screenOrientation} attribute.
417      */
418     public static final int SCREEN_ORIENTATION_FULL_USER = 13;
419 
420     /**
421      * Constant corresponding to <code>locked</code> in
422      * the {@link android.R.attr#screenOrientation} attribute.
423      */
424     public static final int SCREEN_ORIENTATION_LOCKED = 14;
425 
426     /**
427      * The preferred screen orientation this activity would like to run in.
428      * From the {@link android.R.attr#screenOrientation} attribute, one of
429      * {@link #SCREEN_ORIENTATION_UNSPECIFIED},
430      * {@link #SCREEN_ORIENTATION_LANDSCAPE},
431      * {@link #SCREEN_ORIENTATION_PORTRAIT},
432      * {@link #SCREEN_ORIENTATION_USER},
433      * {@link #SCREEN_ORIENTATION_BEHIND},
434      * {@link #SCREEN_ORIENTATION_SENSOR},
435      * {@link #SCREEN_ORIENTATION_NOSENSOR},
436      * {@link #SCREEN_ORIENTATION_SENSOR_LANDSCAPE},
437      * {@link #SCREEN_ORIENTATION_SENSOR_PORTRAIT},
438      * {@link #SCREEN_ORIENTATION_REVERSE_LANDSCAPE},
439      * {@link #SCREEN_ORIENTATION_REVERSE_PORTRAIT},
440      * {@link #SCREEN_ORIENTATION_FULL_SENSOR},
441      * {@link #SCREEN_ORIENTATION_USER_LANDSCAPE},
442      * {@link #SCREEN_ORIENTATION_USER_PORTRAIT},
443      * {@link #SCREEN_ORIENTATION_FULL_USER},
444      * {@link #SCREEN_ORIENTATION_LOCKED},
445      */
446     @ScreenOrientation
447     public int screenOrientation = SCREEN_ORIENTATION_UNSPECIFIED;
448 
449     /**
450      * Bit in {@link #configChanges} that indicates that the activity
451      * can itself handle changes to the IMSI MCC.  Set from the
452      * {@link android.R.attr#configChanges} attribute.
453      */
454     public static final int CONFIG_MCC = 0x0001;
455     /**
456      * Bit in {@link #configChanges} that indicates that the activity
457      * can itself handle changes to the IMSI MNC.  Set from the
458      * {@link android.R.attr#configChanges} attribute.
459      */
460     public static final int CONFIG_MNC = 0x0002;
461     /**
462      * Bit in {@link #configChanges} that indicates that the activity
463      * can itself handle changes to the locale.  Set from the
464      * {@link android.R.attr#configChanges} attribute.
465      */
466     public static final int CONFIG_LOCALE = 0x0004;
467     /**
468      * Bit in {@link #configChanges} that indicates that the activity
469      * can itself handle changes to the touchscreen type.  Set from the
470      * {@link android.R.attr#configChanges} attribute.
471      */
472     public static final int CONFIG_TOUCHSCREEN = 0x0008;
473     /**
474      * Bit in {@link #configChanges} that indicates that the activity
475      * can itself handle changes to the keyboard type.  Set from the
476      * {@link android.R.attr#configChanges} attribute.
477      */
478     public static final int CONFIG_KEYBOARD = 0x0010;
479     /**
480      * Bit in {@link #configChanges} that indicates that the activity
481      * can itself handle changes to the keyboard or navigation being hidden/exposed.
482      * Note that inspite of the name, this applies to the changes to any
483      * hidden states: keyboard or navigation.
484      * Set from the {@link android.R.attr#configChanges} attribute.
485      */
486     public static final int CONFIG_KEYBOARD_HIDDEN = 0x0020;
487     /**
488      * Bit in {@link #configChanges} that indicates that the activity
489      * can itself handle changes to the navigation type.  Set from the
490      * {@link android.R.attr#configChanges} attribute.
491      */
492     public static final int CONFIG_NAVIGATION = 0x0040;
493     /**
494      * Bit in {@link #configChanges} that indicates that the activity
495      * can itself handle changes to the screen orientation.  Set from the
496      * {@link android.R.attr#configChanges} attribute.
497      */
498     public static final int CONFIG_ORIENTATION = 0x0080;
499     /**
500      * Bit in {@link #configChanges} that indicates that the activity
501      * can itself handle changes to the screen layout.  Set from the
502      * {@link android.R.attr#configChanges} attribute.
503      */
504     public static final int CONFIG_SCREEN_LAYOUT = 0x0100;
505     /**
506      * Bit in {@link #configChanges} that indicates that the activity
507      * can itself handle the ui mode. Set from the
508      * {@link android.R.attr#configChanges} attribute.
509      */
510     public static final int CONFIG_UI_MODE = 0x0200;
511     /**
512      * Bit in {@link #configChanges} that indicates that the activity
513      * can itself handle the screen size. Set from the
514      * {@link android.R.attr#configChanges} attribute.  This will be
515      * set by default for applications that target an earlier version
516      * than {@link android.os.Build.VERSION_CODES#HONEYCOMB_MR2}...
517      * <b>however</b>, you will not see the bit set here becomes some
518      * applications incorrectly compare {@link #configChanges} against
519      * an absolute value rather than correctly masking out the bits
520      * they are interested in.  Please don't do that, thanks.
521      */
522     public static final int CONFIG_SCREEN_SIZE = 0x0400;
523     /**
524      * Bit in {@link #configChanges} that indicates that the activity
525      * can itself handle the smallest screen size. Set from the
526      * {@link android.R.attr#configChanges} attribute.  This will be
527      * set by default for applications that target an earlier version
528      * than {@link android.os.Build.VERSION_CODES#HONEYCOMB_MR2}...
529      * <b>however</b>, you will not see the bit set here becomes some
530      * applications incorrectly compare {@link #configChanges} against
531      * an absolute value rather than correctly masking out the bits
532      * they are interested in.  Please don't do that, thanks.
533      */
534     public static final int CONFIG_SMALLEST_SCREEN_SIZE = 0x0800;
535     /**
536      * Bit in {@link #configChanges} that indicates that the activity
537      * can itself handle density changes. Set from the
538      * {@link android.R.attr#configChanges} attribute.
539      */
540     public static final int CONFIG_DENSITY = 0x1000;
541     /**
542      * Bit in {@link #configChanges} that indicates that the activity
543      * can itself handle the change to layout direction. Set from the
544      * {@link android.R.attr#configChanges} attribute.
545      */
546     public static final int CONFIG_LAYOUT_DIRECTION = 0x2000;
547     /**
548      * Bit in {@link #configChanges} that indicates that the activity
549      * can itself handle changes to the font scaling factor.  Set from the
550      * {@link android.R.attr#configChanges} attribute.  This is
551      * not a core resource configuration, but a higher-level value, so its
552      * constant starts at the high bits.
553      */
554     public static final int CONFIG_FONT_SCALE = 0x40000000;
555 
556     /** @hide
557      * Unfortunately the constants for config changes in native code are
558      * different from ActivityInfo. :(  Here are the values we should use for the
559      * native side given the bit we have assigned in ActivityInfo.
560      */
561     public static int[] CONFIG_NATIVE_BITS = new int[] {
562         Configuration.NATIVE_CONFIG_MNC,                    // MNC
563         Configuration.NATIVE_CONFIG_MCC,                    // MCC
564         Configuration.NATIVE_CONFIG_LOCALE,                 // LOCALE
565         Configuration.NATIVE_CONFIG_TOUCHSCREEN,            // TOUCH SCREEN
566         Configuration.NATIVE_CONFIG_KEYBOARD,               // KEYBOARD
567         Configuration.NATIVE_CONFIG_KEYBOARD_HIDDEN,        // KEYBOARD HIDDEN
568         Configuration.NATIVE_CONFIG_NAVIGATION,             // NAVIGATION
569         Configuration.NATIVE_CONFIG_ORIENTATION,            // ORIENTATION
570         Configuration.NATIVE_CONFIG_SCREEN_LAYOUT,          // SCREEN LAYOUT
571         Configuration.NATIVE_CONFIG_UI_MODE,                // UI MODE
572         Configuration.NATIVE_CONFIG_SCREEN_SIZE,            // SCREEN SIZE
573         Configuration.NATIVE_CONFIG_SMALLEST_SCREEN_SIZE,   // SMALLEST SCREEN SIZE
574         Configuration.NATIVE_CONFIG_DENSITY,                // DENSITY
575         Configuration.NATIVE_CONFIG_LAYOUTDIR,              // LAYOUT DIRECTION
576     };
577 
578     /**
579      * Convert Java change bits to native.
580      *
581      * @hide
582      */
activityInfoConfigToNative(int input)583     public static int activityInfoConfigToNative(int input) {
584         int output = 0;
585         for (int i = 0; i < CONFIG_NATIVE_BITS.length; i++) {
586             if ((input & (1 << i)) != 0) {
587                 output |= CONFIG_NATIVE_BITS[i];
588             }
589         }
590         return output;
591     }
592 
593     /**
594      * Convert native change bits to Java.
595      *
596      * @hide
597      */
activityInfoConfigNativeToJava(int input)598     public static int activityInfoConfigNativeToJava(int input) {
599         int output = 0;
600         for (int i = 0; i < CONFIG_NATIVE_BITS.length; i++) {
601             if ((input & CONFIG_NATIVE_BITS[i]) != 0) {
602                 output |= (1 << i);
603             }
604         }
605         return output;
606     }
607 
608     /**
609      * @hide
610      * Unfortunately some developers (OpenFeint I am looking at you) have
611      * compared the configChanges bit field against absolute values, so if we
612      * introduce a new bit they break.  To deal with that, we will make sure
613      * the public field will not have a value that breaks them, and let the
614      * framework call here to get the real value.
615      */
getRealConfigChanged()616     public int getRealConfigChanged() {
617         return applicationInfo.targetSdkVersion < android.os.Build.VERSION_CODES.HONEYCOMB_MR2
618                 ? (configChanges | ActivityInfo.CONFIG_SCREEN_SIZE
619                         | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE)
620                 : configChanges;
621     }
622 
623     /**
624      * Bit mask of kinds of configuration changes that this activity
625      * can handle itself (without being restarted by the system).
626      * Contains any combination of {@link #CONFIG_FONT_SCALE},
627      * {@link #CONFIG_MCC}, {@link #CONFIG_MNC},
628      * {@link #CONFIG_LOCALE}, {@link #CONFIG_TOUCHSCREEN},
629      * {@link #CONFIG_KEYBOARD}, {@link #CONFIG_NAVIGATION},
630      * {@link #CONFIG_ORIENTATION}, {@link #CONFIG_SCREEN_LAYOUT} and
631      * {@link #CONFIG_LAYOUT_DIRECTION}.  Set from the {@link android.R.attr#configChanges}
632      * attribute.
633      */
634     public int configChanges;
635 
636     /**
637      * The desired soft input mode for this activity's main window.
638      * Set from the {@link android.R.attr#windowSoftInputMode} attribute
639      * in the activity's manifest.  May be any of the same values allowed
640      * for {@link android.view.WindowManager.LayoutParams#softInputMode
641      * WindowManager.LayoutParams.softInputMode}.  If 0 (unspecified),
642      * the mode from the theme will be used.
643      */
644     public int softInputMode;
645 
646     /**
647      * The desired extra UI options for this activity and its main window.
648      * Set from the {@link android.R.attr#uiOptions} attribute in the
649      * activity's manifest.
650      */
651     public int uiOptions = 0;
652 
653     /**
654      * Flag for use with {@link #uiOptions}.
655      * Indicates that the action bar should put all action items in a separate bar when
656      * the screen is narrow.
657      * <p>This value corresponds to "splitActionBarWhenNarrow" for the {@link #uiOptions} XML
658      * attribute.
659      */
660     public static final int UIOPTION_SPLIT_ACTION_BAR_WHEN_NARROW = 1;
661 
662     /**
663      * If defined, the activity named here is the logical parent of this activity.
664      */
665     public String parentActivityName;
666 
667     /**
668      * Value indicating if the activity is resizeable to any dimension.
669      * See {@link android.R.attr#resizeableActivity}.
670      * @hide
671      */
672     public boolean resizeable;
673 
674     /** @hide */
675     public static final int LOCK_TASK_LAUNCH_MODE_DEFAULT = 0;
676     /** @hide */
677     public static final int LOCK_TASK_LAUNCH_MODE_NEVER = 1;
678     /** @hide */
679     public static final int LOCK_TASK_LAUNCH_MODE_ALWAYS = 2;
680     /** @hide */
681     public static final int LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED = 3;
682 
683     /** @hide */
lockTaskLaunchModeToString(int lockTaskLaunchMode)684     public static final String lockTaskLaunchModeToString(int lockTaskLaunchMode) {
685         switch (lockTaskLaunchMode) {
686             case LOCK_TASK_LAUNCH_MODE_DEFAULT:
687                 return "LOCK_TASK_LAUNCH_MODE_DEFAULT";
688             case LOCK_TASK_LAUNCH_MODE_NEVER:
689                 return "LOCK_TASK_LAUNCH_MODE_NEVER";
690             case LOCK_TASK_LAUNCH_MODE_ALWAYS:
691                 return "LOCK_TASK_LAUNCH_MODE_ALWAYS";
692             case LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED:
693                 return "LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED";
694             default:
695                 return "unknown=" + lockTaskLaunchMode;
696         }
697     }
698     /**
699      * Value indicating if the activity is to be locked at startup. Takes on the values from
700      * {@link android.R.attr#lockTaskMode}.
701      * @hide
702      */
703     public int lockTaskLaunchMode;
704 
ActivityInfo()705     public ActivityInfo() {
706     }
707 
ActivityInfo(ActivityInfo orig)708     public ActivityInfo(ActivityInfo orig) {
709         super(orig);
710         theme = orig.theme;
711         launchMode = orig.launchMode;
712         documentLaunchMode = orig.documentLaunchMode;
713         permission = orig.permission;
714         taskAffinity = orig.taskAffinity;
715         targetActivity = orig.targetActivity;
716         flags = orig.flags;
717         screenOrientation = orig.screenOrientation;
718         configChanges = orig.configChanges;
719         softInputMode = orig.softInputMode;
720         uiOptions = orig.uiOptions;
721         parentActivityName = orig.parentActivityName;
722         maxRecents = orig.maxRecents;
723         resizeable = orig.resizeable;
724         lockTaskLaunchMode = orig.lockTaskLaunchMode;
725     }
726 
727     /**
728      * Return the theme resource identifier to use for this activity.  If
729      * the activity defines a theme, that is used; else, the application
730      * theme is used.
731      *
732      * @return The theme associated with this activity.
733      */
getThemeResource()734     public final int getThemeResource() {
735         return theme != 0 ? theme : applicationInfo.theme;
736     }
737 
persistableModeToString()738     private String persistableModeToString() {
739         switch(persistableMode) {
740             case PERSIST_ROOT_ONLY: return "PERSIST_ROOT_ONLY";
741             case PERSIST_NEVER: return "PERSIST_NEVER";
742             case PERSIST_ACROSS_REBOOTS: return "PERSIST_ACROSS_REBOOTS";
743             default: return "UNKNOWN=" + persistableMode;
744         }
745     }
746 
dump(Printer pw, String prefix)747     public void dump(Printer pw, String prefix) {
748         super.dumpFront(pw, prefix);
749         if (permission != null) {
750             pw.println(prefix + "permission=" + permission);
751         }
752         pw.println(prefix + "taskAffinity=" + taskAffinity
753                 + " targetActivity=" + targetActivity
754                 + " persistableMode=" + persistableModeToString());
755         if (launchMode != 0 || flags != 0 || theme != 0) {
756             pw.println(prefix + "launchMode=" + launchMode
757                     + " flags=0x" + Integer.toHexString(flags)
758                     + " theme=0x" + Integer.toHexString(theme));
759         }
760         if (screenOrientation != SCREEN_ORIENTATION_UNSPECIFIED
761                 || configChanges != 0 || softInputMode != 0) {
762             pw.println(prefix + "screenOrientation=" + screenOrientation
763                     + " configChanges=0x" + Integer.toHexString(configChanges)
764                     + " softInputMode=0x" + Integer.toHexString(softInputMode));
765         }
766         if (uiOptions != 0) {
767             pw.println(prefix + " uiOptions=0x" + Integer.toHexString(uiOptions));
768         }
769         pw.println(prefix + "resizeable=" + resizeable + " lockTaskLaunchMode="
770                 + lockTaskLaunchModeToString(lockTaskLaunchMode));
771         super.dumpBack(pw, prefix);
772     }
773 
toString()774     public String toString() {
775         return "ActivityInfo{"
776             + Integer.toHexString(System.identityHashCode(this))
777             + " " + name + "}";
778     }
779 
describeContents()780     public int describeContents() {
781         return 0;
782     }
783 
writeToParcel(Parcel dest, int parcelableFlags)784     public void writeToParcel(Parcel dest, int parcelableFlags) {
785         super.writeToParcel(dest, parcelableFlags);
786         dest.writeInt(theme);
787         dest.writeInt(launchMode);
788         dest.writeInt(documentLaunchMode);
789         dest.writeString(permission);
790         dest.writeString(taskAffinity);
791         dest.writeString(targetActivity);
792         dest.writeInt(flags);
793         dest.writeInt(screenOrientation);
794         dest.writeInt(configChanges);
795         dest.writeInt(softInputMode);
796         dest.writeInt(uiOptions);
797         dest.writeString(parentActivityName);
798         dest.writeInt(persistableMode);
799         dest.writeInt(maxRecents);
800         dest.writeInt(resizeable ? 1 : 0);
801         dest.writeInt(lockTaskLaunchMode);
802     }
803 
804     public static final Parcelable.Creator<ActivityInfo> CREATOR
805             = new Parcelable.Creator<ActivityInfo>() {
806         public ActivityInfo createFromParcel(Parcel source) {
807             return new ActivityInfo(source);
808         }
809         public ActivityInfo[] newArray(int size) {
810             return new ActivityInfo[size];
811         }
812     };
813 
ActivityInfo(Parcel source)814     private ActivityInfo(Parcel source) {
815         super(source);
816         theme = source.readInt();
817         launchMode = source.readInt();
818         documentLaunchMode = source.readInt();
819         permission = source.readString();
820         taskAffinity = source.readString();
821         targetActivity = source.readString();
822         flags = source.readInt();
823         screenOrientation = source.readInt();
824         configChanges = source.readInt();
825         softInputMode = source.readInt();
826         uiOptions = source.readInt();
827         parentActivityName = source.readString();
828         persistableMode = source.readInt();
829         maxRecents = source.readInt();
830         resizeable = (source.readInt() == 1);
831         lockTaskLaunchMode = source.readInt();
832     }
833 }
834