1 /* 2 * Copyright (C) 2017 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.settings.applications.defaultapps; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.ResolveInfo; 22 import android.provider.Settings; 23 import android.telephony.TelephonyManager; 24 25 import com.android.settingslib.applications.DefaultAppInfo; 26 27 import java.util.List; 28 29 public class DefaultEmergencyPreferenceController extends DefaultAppPreferenceController { 30 31 private static final boolean DEFAULT_EMERGENCY_APP_IS_CONFIGURABLE = false; 32 33 public static final Intent QUERY_INTENT = new Intent( 34 TelephonyManager.ACTION_EMERGENCY_ASSISTANCE); 35 DefaultEmergencyPreferenceController(Context context)36 public DefaultEmergencyPreferenceController(Context context) { 37 super(context); 38 } 39 40 @Override isAvailable()41 public boolean isAvailable() { 42 return DEFAULT_EMERGENCY_APP_IS_CONFIGURABLE 43 && isCapable() 44 && mPackageManager.getPackageManager().resolveActivity(QUERY_INTENT, 0) != null; 45 } 46 47 @Override getPreferenceKey()48 public String getPreferenceKey() { 49 return "default_emergency_app"; 50 } 51 52 @Override getDefaultAppInfo()53 protected DefaultAppInfo getDefaultAppInfo() { 54 return null; 55 } 56 isCapable()57 private boolean isCapable() { 58 return TelephonyManager.EMERGENCY_ASSISTANCE_ENABLED 59 && mContext.getResources().getBoolean( 60 com.android.internal.R.bool.config_voice_capable); 61 } 62 hasEmergencyPreference(String pkg, Context context)63 public static boolean hasEmergencyPreference(String pkg, Context context) { 64 Intent i = new Intent(QUERY_INTENT); 65 i.setPackage(pkg); 66 final List<ResolveInfo> resolveInfos = 67 context.getPackageManager().queryIntentActivities(i, 0); 68 return resolveInfos != null && resolveInfos.size() != 0; 69 } 70 isEmergencyDefault(String pkg, Context context)71 public static boolean isEmergencyDefault(String pkg, Context context) { 72 String defaultPackage = Settings.Secure.getString(context.getContentResolver(), 73 Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION); 74 return defaultPackage != null && defaultPackage.equals(pkg); 75 } 76 } 77