1 /* 2 * Copyright (C) 2022 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.localepicker; 18 19 import android.app.FragmentTransaction; 20 import android.app.LocaleManager; 21 import android.content.pm.PackageManager; 22 import android.net.Uri; 23 import android.os.Bundle; 24 import android.os.LocaleList; 25 import android.text.TextUtils; 26 import android.util.Log; 27 import android.view.MenuItem; 28 import android.view.View; 29 import android.widget.FrameLayout; 30 import android.widget.ListView; 31 32 import com.android.internal.app.LocalePickerWithRegion; 33 import com.android.internal.app.LocaleStore; 34 import com.android.settings.R; 35 import com.android.settings.applications.AppLocaleUtil; 36 import com.android.settings.applications.appinfo.AppLocaleDetails; 37 import com.android.settings.core.SettingsBaseActivity; 38 39 public class AppLocalePickerActivity extends SettingsBaseActivity 40 implements LocalePickerWithRegion.LocaleSelectedListener, MenuItem.OnActionExpandListener { 41 private static final String TAG = AppLocalePickerActivity.class.getSimpleName(); 42 43 private String mPackageName; 44 private LocalePickerWithRegion mLocalePickerWithRegion; 45 private AppLocaleDetails mAppLocaleDetails; 46 private View mAppLocaleDetailContainer; 47 48 @Override onCreate(Bundle savedInstanceState)49 public void onCreate(Bundle savedInstanceState) { 50 super.onCreate(savedInstanceState); 51 Uri data = getIntent().getData(); 52 if (data == null) { 53 Log.d(TAG, "There is no uri data."); 54 finish(); 55 return; 56 } 57 mPackageName = data.getSchemeSpecificPart(); 58 if (TextUtils.isEmpty(mPackageName)) { 59 Log.d(TAG, "There is no package name."); 60 finish(); 61 return; 62 } 63 64 if (!canDisplayLocaleUi()) { 65 Log.w(TAG, "Not allow to display Locale Settings UI."); 66 finish(); 67 return; 68 } 69 70 setTitle(R.string.app_locale_picker_title); 71 getActionBar().setDisplayHomeAsUpEnabled(true); 72 73 mLocalePickerWithRegion = LocalePickerWithRegion.createLanguagePicker( 74 this, 75 this, 76 false /* translate only */, 77 mPackageName, 78 this); 79 mAppLocaleDetails = AppLocaleDetails.newInstance(mPackageName, getUserId()); 80 mAppLocaleDetailContainer = launchAppLocaleDetailsPage(); 81 // Launch Locale picker part. 82 launchLocalePickerPage(); 83 } 84 85 @Override onOptionsItemSelected(MenuItem item)86 public boolean onOptionsItemSelected(MenuItem item) { 87 if (item.getItemId() == android.R.id.home) { 88 super.onBackPressed(); 89 return true; 90 } 91 return super.onOptionsItemSelected(item); 92 } 93 94 @Override onLocaleSelected(LocaleStore.LocaleInfo localeInfo)95 public void onLocaleSelected(LocaleStore.LocaleInfo localeInfo) { 96 if (localeInfo == null || localeInfo.getLocale() == null || localeInfo.isSystemLocale()) { 97 setAppDefaultLocale(""); 98 } else { 99 setAppDefaultLocale(localeInfo.getLocale().toLanguageTag()); 100 } 101 finish(); 102 } 103 104 @Override onMenuItemActionCollapse(MenuItem item)105 public boolean onMenuItemActionCollapse(MenuItem item) { 106 mAppBarLayout.setExpanded(false /*expanded*/, false /*animate*/); 107 return true; 108 } 109 110 @Override onMenuItemActionExpand(MenuItem item)111 public boolean onMenuItemActionExpand(MenuItem item) { 112 mAppBarLayout.setExpanded(false /*expanded*/, false /*animate*/); 113 return true; 114 } 115 116 /** Sets the app's locale to the supplied language tag */ setAppDefaultLocale(String languageTag)117 private void setAppDefaultLocale(String languageTag) { 118 Log.d(TAG, "setAppDefaultLocale: " + languageTag); 119 LocaleManager localeManager = getSystemService(LocaleManager.class); 120 if (localeManager == null) { 121 Log.w(TAG, "LocaleManager is null, cannot set default app locale"); 122 return; 123 } 124 localeManager.setApplicationLocales(mPackageName, LocaleList.forLanguageTags(languageTag)); 125 } 126 launchAppLocaleDetailsPage()127 private View launchAppLocaleDetailsPage() { 128 FrameLayout appLocaleDetailsContainer = new FrameLayout(this); 129 appLocaleDetailsContainer.setId(R.id.layout_app_locale_details); 130 getSupportFragmentManager() 131 .beginTransaction() 132 .replace(R.id.layout_app_locale_details, mAppLocaleDetails) 133 .commit(); 134 return appLocaleDetailsContainer; 135 } 136 launchLocalePickerPage()137 private void launchLocalePickerPage() { 138 // LocalePickerWithRegion use android.app.ListFragment. Thus, it can not use 139 // getSupportFragmentManager() to add this into container. 140 android.app.FragmentManager fragmentManager = getFragmentManager(); 141 fragmentManager.registerFragmentLifecycleCallbacks( 142 new android.app.FragmentManager.FragmentLifecycleCallbacks() { 143 @Override 144 public void onFragmentViewCreated( 145 android.app.FragmentManager fm, 146 android.app.Fragment f, View v, Bundle s) { 147 super.onFragmentViewCreated(fm, f, v, s); 148 ListView listView = (ListView) v.findViewById(android.R.id.list); 149 if (listView != null) { 150 listView.addHeaderView(mAppLocaleDetailContainer); 151 } 152 } 153 }, true); 154 fragmentManager.beginTransaction() 155 .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN) 156 .replace(R.id.content_frame, mLocalePickerWithRegion) 157 .commit(); 158 } 159 canDisplayLocaleUi()160 private boolean canDisplayLocaleUi() { 161 return AppLocaleUtil.canDisplayLocaleUi(this, mPackageName, 162 getPackageManager().queryIntentActivities(AppLocaleUtil.LAUNCHER_ENTRY_INTENT, 163 PackageManager.GET_META_DATA)); 164 } 165 } 166