1 /* 2 * Copyright (C) 2016 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.datetime; 18 19 import android.content.BroadcastReceiver; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.IntentFilter; 23 24 import com.android.settingslib.core.lifecycle.LifecycleObserver; 25 import com.android.settingslib.core.lifecycle.events.OnPause; 26 import com.android.settingslib.core.lifecycle.events.OnResume; 27 28 public class TimeChangeListenerMixin extends BroadcastReceiver 29 implements LifecycleObserver, OnPause, OnResume { 30 31 private final Context mContext; 32 private final UpdateTimeAndDateCallback mCallback; 33 34 public TimeChangeListenerMixin(Context context, UpdateTimeAndDateCallback callback) { 35 mContext = context; 36 mCallback = callback; 37 } 38 39 @Override 40 public void onResume() { 41 // Register for time ticks and other reasons for time change 42 final IntentFilter filter = new IntentFilter(); 43 filter.addAction(Intent.ACTION_TIME_TICK); 44 filter.addAction(Intent.ACTION_TIME_CHANGED); 45 filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); 46 47 mContext.registerReceiver(this, filter, null, null); 48 } 49 50 @Override 51 public void onPause() { 52 mContext.unregisterReceiver(this); 53 } 54 55 @Override 56 public void onReceive(Context context, Intent intent) { 57 if (mCallback != null) { 58 mCallback.updateTimeAndDateDisplay(mContext); 59 } 60 } 61 } 62