| package com.android.launcher3.util; |
| |
| /** |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.res.Configuration; |
| import android.util.Log; |
| |
| /** |
| * {@link BroadcastReceiver} which watches configuration changes and |
| * restarts the process in case changes which affect the device profile occur. |
| */ |
| public class ConfigMonitor extends BroadcastReceiver { |
| |
| private final Context mContext; |
| private final float mFontScale; |
| private final int mDensity; |
| |
| public ConfigMonitor(Context context) { |
| mContext = context; |
| |
| Configuration config = context.getResources().getConfiguration(); |
| mFontScale = config.fontScale; |
| mDensity = config.densityDpi; |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| Configuration config = context.getResources().getConfiguration(); |
| if (mFontScale != config.fontScale || mDensity != config.densityDpi) { |
| Log.d("ConfigMonitor", "Configuration changed, restarting launcher"); |
| mContext.unregisterReceiver(this); |
| android.os.Process.killProcess(android.os.Process.myPid()); |
| } |
| } |
| |
| public void register() { |
| mContext.registerReceiver(this, new IntentFilter(Intent.ACTION_CONFIGURATION_CHANGED)); |
| } |
| } |