1 /* 2 * Copyright (C) 2016 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.internal.app; 18 19 import static android.app.admin.DevicePolicyResources.Strings.Core.UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE; 20 import static android.app.admin.DevicePolicyResources.Strings.Core.UNLAUNCHABLE_APP_WORK_PAUSED_TITLE; 21 import static android.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS; 22 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; 23 24 import android.app.Activity; 25 import android.app.AlertDialog; 26 import android.app.admin.DevicePolicyManager; 27 import android.content.ComponentName; 28 import android.content.DialogInterface; 29 import android.content.Intent; 30 import android.content.IntentSender; 31 import android.os.Bundle; 32 import android.os.Handler; 33 import android.os.Looper; 34 import android.os.UserHandle; 35 import android.os.UserManager; 36 import android.util.Log; 37 import android.view.Window; 38 39 import com.android.internal.R; 40 41 /** 42 * A dialog shown to the user when they try to launch an app from a quiet profile 43 * ({@link UserManager#isQuietModeEnabled(UserHandle)}. 44 */ 45 public class UnlaunchableAppActivity extends Activity 46 implements DialogInterface.OnDismissListener, DialogInterface.OnClickListener { 47 private static final String TAG = "UnlaunchableAppActivity"; 48 49 private static final int UNLAUNCHABLE_REASON_QUIET_MODE = 1; 50 private static final String EXTRA_UNLAUNCHABLE_REASON = "unlaunchable_reason"; 51 52 private int mUserId; 53 private int mReason; 54 private IntentSender mTarget; 55 56 @Override onCreate(Bundle savedInstanceState)57 protected void onCreate(Bundle savedInstanceState) { 58 super.onCreate(savedInstanceState); 59 // As this activity has nothing to show, we should hide the title bar also 60 // TODO: Use AlertActivity so we don't need to hide title bar and create a dialog 61 requestWindowFeature(Window.FEATURE_NO_TITLE); 62 Intent intent = getIntent(); 63 mReason = intent.getIntExtra(EXTRA_UNLAUNCHABLE_REASON, -1); 64 mUserId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL); 65 mTarget = intent.getParcelableExtra(Intent.EXTRA_INTENT); 66 67 if (mUserId == UserHandle.USER_NULL) { 68 Log.wtf(TAG, "Invalid user id: " + mUserId + ". Stopping."); 69 finish(); 70 return; 71 } 72 73 String dialogTitle; 74 String dialogMessage = null; 75 if (mReason == UNLAUNCHABLE_REASON_QUIET_MODE) { 76 dialogTitle = getDialogTitle(); 77 dialogMessage = getDialogMessage(); 78 } else { 79 Log.wtf(TAG, "Invalid unlaunchable type: " + mReason); 80 finish(); 81 return; 82 } 83 84 AlertDialog.Builder builder = new AlertDialog.Builder(this) 85 .setTitle(dialogTitle) 86 .setMessage(dialogMessage) 87 .setOnDismissListener(this); 88 if (mReason == UNLAUNCHABLE_REASON_QUIET_MODE) { 89 builder.setPositiveButton(R.string.work_mode_turn_on, this) 90 .setNegativeButton(R.string.cancel, null); 91 } else { 92 builder.setPositiveButton(R.string.ok, null); 93 } 94 final AlertDialog dialog = builder.create(); 95 dialog.create(); 96 // Prevents screen overlay attack. 97 getWindow().setHideOverlayWindows(true); 98 dialog.getButton(DialogInterface.BUTTON_POSITIVE).setFilterTouchesWhenObscured(true); 99 dialog.show(); 100 } 101 getDialogTitle()102 private String getDialogTitle() { 103 return getSystemService(DevicePolicyManager.class).getResources().getString( 104 UNLAUNCHABLE_APP_WORK_PAUSED_TITLE, () -> getString(R.string.work_mode_off_title)); 105 } 106 getDialogMessage()107 private String getDialogMessage() { 108 return getSystemService(DevicePolicyManager.class).getResources().getString( 109 UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE, 110 () -> getString(R.string.work_mode_off_message)); 111 } 112 113 @Override onDismiss(DialogInterface dialog)114 public void onDismiss(DialogInterface dialog) { 115 finish(); 116 } 117 118 @Override onClick(DialogInterface dialog, int which)119 public void onClick(DialogInterface dialog, int which) { 120 if (mReason == UNLAUNCHABLE_REASON_QUIET_MODE && which == DialogInterface.BUTTON_POSITIVE) { 121 UserManager userManager = UserManager.get(this); 122 new Handler(Looper.getMainLooper()).post( 123 () -> userManager.requestQuietModeEnabled( 124 /* enableQuietMode= */ false, UserHandle.of(mUserId), mTarget)); 125 } 126 } 127 createBaseIntent()128 private static final Intent createBaseIntent() { 129 Intent intent = new Intent(); 130 intent.setComponent(new ComponentName("android", UnlaunchableAppActivity.class.getName())); 131 intent.setFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 132 return intent; 133 } 134 createInQuietModeDialogIntent(int userId)135 public static Intent createInQuietModeDialogIntent(int userId) { 136 Intent intent = createBaseIntent(); 137 intent.putExtra(EXTRA_UNLAUNCHABLE_REASON, UNLAUNCHABLE_REASON_QUIET_MODE); 138 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 139 return intent; 140 } 141 createInQuietModeDialogIntent(int userId, IntentSender target)142 public static Intent createInQuietModeDialogIntent(int userId, IntentSender target) { 143 Intent intent = createInQuietModeDialogIntent(userId); 144 intent.putExtra(Intent.EXTRA_INTENT, target); 145 return intent; 146 } 147 } 148