1 /* 2 * Copyright 2015 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.example.android.activenotifications; 18 19 import android.content.BroadcastReceiver; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.IntentFilter; 23 import android.os.Bundle; 24 import android.os.PersistableBundle; 25 26 public class ActiveNotificationsActivity extends MainActivity { 27 28 private ActiveNotificationsFragment mFragment; 29 30 protected static final String ACTION_NOTIFICATION_DELETE 31 = "com.example.android.activenotifications.delete"; 32 33 private BroadcastReceiver mDeleteReceiver = new BroadcastReceiver() { 34 @Override 35 public void onReceive(Context context, Intent intent) { 36 if (mFragment == null) { 37 findFragment(); 38 } 39 mFragment.updateNumberOfNotifications(); 40 } 41 }; 42 43 @Override 44 public void onCreate(Bundle savedInstanceState, PersistableBundle persistentState) { 45 super.onCreate(savedInstanceState, persistentState); 46 findFragment(); 47 mFragment.updateNumberOfNotifications(); 48 } 49 50 private void findFragment() { 51 mFragment = (ActiveNotificationsFragment) getSupportFragmentManager() 52 .findFragmentById(R.id.sample_content_fragment); 53 } 54 55 @Override 56 protected void onResume() { 57 super.onResume(); 58 registerReceiver(mDeleteReceiver, new IntentFilter(ACTION_NOTIFICATION_DELETE)); 59 } 60 61 @Override 62 protected void onPause() { 63 super.onPause(); 64 unregisterReceiver(mDeleteReceiver); 65 } 66 } 67
