1 /* 2 * Copyright (C) 2015 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 com.android.server.telecom.components; 18 19 import android.content.Context; 20 import android.content.DialogInterface; 21 import android.content.pm.ApplicationInfo; 22 import android.content.pm.PackageManager; 23 import android.content.pm.PackageManager.NameNotFoundException; 24 import android.graphics.Color; 25 import android.graphics.Typeface; 26 import android.os.Bundle; 27 import android.telecom.DefaultDialerManager; 28 import android.telecom.TelecomManager; 29 import android.telephony.TelephonyManager; 30 import android.text.Spannable; 31 import android.text.SpannableString; 32 import android.text.SpannableStringBuilder; 33 import android.text.TextUtils; 34 import android.text.style.ForegroundColorSpan; 35 import android.text.style.StyleSpan; 36 import android.util.Log; 37 38 import com.android.internal.app.AlertActivity; 39 import com.android.internal.app.AlertController; 40 import com.android.server.telecom.R; 41 42 /** 43 * Activity that shows a dialog for the user to confirm whether or not the default dialer should 44 * be changed. 45 * 46 * This dialog can be skipped directly for CTS tests using the adb command: 47 * adb shell am start -a android.telecom.action.CHANGE_DEFAULT_DIALER_PRIVILEGED -e android.telecom.extra.CHANGE_DEFAULT_DIALER_PACKAGE_NAME <packageName> 48 */ 49 public class ChangeDefaultDialerDialog extends AlertActivity implements 50 DialogInterface.OnClickListener{ 51 private static final String TAG = ChangeDefaultDialerDialog.class.getSimpleName(); 52 private String mNewPackage; 53 54 @Override onCreate(Bundle savedInstanceState)55 protected void onCreate(Bundle savedInstanceState) { 56 super.onCreate(savedInstanceState); 57 58 final String oldPackage = DefaultDialerManager.getDefaultDialerApplication(this); 59 mNewPackage = getIntent().getStringExtra( 60 TelecomManager.EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME); 61 if (!canChangeToProvidedPackage(oldPackage, mNewPackage)) { 62 setResult(RESULT_CANCELED); 63 finish(); 64 } 65 66 // Show dialog to require user confirmation. 67 buildDialog(mNewPackage); 68 } 69 70 @Override onClick(DialogInterface dialog, int which)71 public void onClick(DialogInterface dialog, int which) { 72 switch (which) { 73 case BUTTON_POSITIVE: 74 TelecomManager.from(this).setDefaultDialer(mNewPackage); 75 setResult(RESULT_OK); 76 break; 77 case BUTTON_NEGATIVE: 78 setResult(RESULT_CANCELED); 79 break; 80 } 81 } 82 canChangeToProvidedPackage(String oldPackage, String newPackage)83 private boolean canChangeToProvidedPackage(String oldPackage, String newPackage) { 84 final TelephonyManager tm = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE); 85 if (!tm.isVoiceCapable()) { 86 Log.w(TAG, "Dialog launched but device is not voice capable."); 87 return false; 88 } 89 90 if (!DefaultDialerManager.getInstalledDialerApplications(this).contains(newPackage)) { 91 Log.w(TAG, "Provided package name does not correspond to an installed Phone " 92 + "application."); 93 return false; 94 } 95 96 if (!TextUtils.isEmpty(oldPackage) && TextUtils.equals(oldPackage, newPackage)) { 97 Log.w(TAG, "Provided package name is already the current default Phone application."); 98 return false; 99 } 100 return true; 101 } 102 buildDialog(String newPackage)103 private boolean buildDialog(String newPackage) { 104 final PackageManager pm = getPackageManager(); 105 final String newPackageLabel = getApplicationLabelForPackageName(pm, newPackage); 106 final AlertController.AlertParams p = mAlertParams; 107 p.mTitle = getString(R.string.change_default_dialer_dialog_title, newPackageLabel); 108 p.mMessage = getString(R.string.change_default_dialer_warning_message, newPackageLabel); 109 p.mPositiveButtonText = getString(R.string.change_default_dialer_dialog_affirmative); 110 p.mNegativeButtonText = getString(R.string.change_default_dialer_dialog_negative); 111 p.mPositiveButtonListener = this; 112 p.mNegativeButtonListener = this; 113 setupAlert(); 114 115 return true; 116 } 117 118 /** 119 * Returns the application label that corresponds to the given package name 120 * 121 * @param pm An instance of a {@link PackageManager}. 122 * @param packageName A valid package name. 123 * 124 * @return Application label for the given package name, or null if not found. 125 */ getApplicationLabelForPackageName(PackageManager pm, String packageName)126 private String getApplicationLabelForPackageName(PackageManager pm, String packageName) { 127 ApplicationInfo info = null; 128 try { 129 info = pm.getApplicationInfo(packageName, 0); 130 } catch (NameNotFoundException e) { 131 Log.w(TAG, "Application info not found for packageName " + packageName); 132 } 133 if (info == null) { 134 return packageName; 135 } else { 136 return info.loadLabel(pm).toString(); 137 } 138 } 139 } 140