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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));
}
}
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