1 /* 2 * Copyright (C) 2019 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; 18 19 import android.app.role.RoleManager; 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 import android.icu.text.ListFormatter; 23 import android.text.TextUtils; 24 25 import com.android.settings.core.BasePreferenceController; 26 import com.android.settingslib.applications.AppUtils; 27 28 import java.util.ArrayList; 29 import java.util.List; 30 31 public class DefaultAppsPreferenceController extends BasePreferenceController { 32 33 private final PackageManager mPackageManager; 34 private final RoleManager mRoleManager; 35 DefaultAppsPreferenceController(Context context, String preferenceKey)36 public DefaultAppsPreferenceController(Context context, String preferenceKey) { 37 super(context, preferenceKey); 38 39 mPackageManager = context.getPackageManager(); 40 mRoleManager = context.getSystemService(RoleManager.class); 41 } 42 43 @Override getAvailabilityStatus()44 public int getAvailabilityStatus() { 45 return AVAILABLE; 46 } 47 48 @Override getSummary()49 public CharSequence getSummary() { 50 final List<CharSequence> defaultAppLabels = new ArrayList<>(); 51 final CharSequence defaultBrowserLabel = getDefaultAppLabel(RoleManager.ROLE_BROWSER); 52 if(!TextUtils.isEmpty(defaultBrowserLabel)) { 53 defaultAppLabels.add(defaultBrowserLabel); 54 } 55 final CharSequence defaultPhoneLabel = getDefaultAppLabel(RoleManager.ROLE_DIALER); 56 if(!TextUtils.isEmpty(defaultPhoneLabel)) { 57 defaultAppLabels.add(defaultPhoneLabel); 58 } 59 final CharSequence defaultSmsLabel = getDefaultAppLabel(RoleManager.ROLE_SMS); 60 if(!TextUtils.isEmpty(defaultSmsLabel)) { 61 defaultAppLabels.add(defaultSmsLabel); 62 } 63 if (defaultAppLabels.isEmpty()) { 64 return null; 65 } 66 return ListFormatter.getInstance().format(defaultAppLabels); 67 } 68 getDefaultAppLabel(String roleName)69 private CharSequence getDefaultAppLabel(String roleName) { 70 final List<String> packageNames = mRoleManager.getRoleHolders(roleName); 71 if (packageNames.isEmpty()) { 72 return null; 73 } 74 final String packageName = packageNames.get(0); 75 return AppUtils.getApplicationLabel(mPackageManager, packageName); 76 } 77 } 78