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.language; 18 19 import android.content.ComponentName; 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 import android.util.FeatureFlagUtils; 23 24 import com.android.settings.Settings; 25 import com.android.settings.core.BasePreferenceController; 26 27 /** 28 * This is a display controller for new language activity entry. 29 * TODO(b/273642892): When new layout is on board, this class shall be removed. 30 */ 31 public class LanguagePreferenceController extends BasePreferenceController { 32 private static final String TAG = LanguagePreferenceController.class.getSimpleName(); 33 34 private boolean mCacheIsFeatureOn = false; 35 LanguagePreferenceController(Context context, String key)36 public LanguagePreferenceController(Context context, String key) { 37 super(context, key); 38 } 39 40 @Override getAvailabilityStatus()41 public int getAvailabilityStatus() { 42 boolean isFeatureOn = FeatureFlagUtils 43 .isEnabled(mContext, FeatureFlagUtils.SETTINGS_NEW_KEYBOARD_UI); 44 45 // LanguageSettingsActivity is a new entry page for new language layout. 46 // LanguageAndInputSettingsActivity is existed entry page for current language layout. 47 if (mCacheIsFeatureOn != isFeatureOn) { 48 setActivityEnabled( 49 mContext, Settings.LanguageAndInputSettingsActivity.class, !isFeatureOn); 50 setActivityEnabled(mContext, Settings.LanguageSettingsActivity.class, isFeatureOn); 51 mCacheIsFeatureOn = isFeatureOn; 52 } 53 return isFeatureOn ? AVAILABLE : CONDITIONALLY_UNAVAILABLE; 54 } 55 setActivityEnabled(Context context, Class klass, final boolean isEnabled)56 private static void setActivityEnabled(Context context, Class klass, final boolean isEnabled) { 57 PackageManager packageManager = context.getPackageManager(); 58 59 ComponentName componentName = 60 new ComponentName(context, klass); 61 final int flag = isEnabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 62 PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 63 64 packageManager.setComponentEnabledSetting( 65 componentName, flag, PackageManager.DONT_KILL_APP); 66 } 67 }