1 /* 2 * Copyright 2014 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.lnotifications; 18 19 import android.app.Notification; 20 import android.app.NotificationManager; 21 import android.app.PendingIntent; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.os.Bundle; 25 import android.support.v4.app.Fragment; 26 import android.view.LayoutInflater; 27 import android.view.View; 28 import android.view.ViewGroup; 29 import android.widget.Button; 30 import android.widget.CheckBox; 31 import android.widget.Toast; 32 33 /** 34 * Fragment that demonstrates options for displaying Heads-Up Notifications. 35 */ 36 public class HeadsUpNotificationFragment extends Fragment { 37 38 /** 39 * NotificationId used for the notifications from this Fragment. 40 */ 41 private static final int NOTIFICATION_ID = 1; 42 43 private NotificationManager mNotificationManager; 44 45 /** 46 * Button to show a notification. 47 */ 48 private Button mShowNotificationButton; 49 50 /** 51 * If checked, notifications that this Fragment creates will be displayed as Heads-Up 52 * Notifications. 53 */ 54 private CheckBox mUseHeadsUpCheckbox; 55 56 /** 57 * Use this factory method to create a new instance of 58 * this fragment using the provided parameters. 59 * 60 * @return A new instance of fragment NotificationFragment. 61 */ newInstance()62 public static HeadsUpNotificationFragment newInstance() { 63 HeadsUpNotificationFragment fragment = new HeadsUpNotificationFragment(); 64 fragment.setRetainInstance(true); 65 return fragment; 66 } 67 HeadsUpNotificationFragment()68 public HeadsUpNotificationFragment() { 69 // Required empty public constructor 70 } 71 72 @Override onCreate(Bundle savedInstanceState)73 public void onCreate(Bundle savedInstanceState) { 74 super.onCreate(savedInstanceState); 75 mNotificationManager = (NotificationManager) getActivity().getSystemService(Context 76 .NOTIFICATION_SERVICE); 77 } 78 79 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)80 public View onCreateView(LayoutInflater inflater, ViewGroup container, 81 Bundle savedInstanceState) { 82 // Inflate the layout for this fragment 83 return inflater.inflate(R.layout.fragment_heads_up_notification, container, false); 84 } 85 86 @Override onViewCreated(View view, Bundle savedInstanceState)87 public void onViewCreated(View view, Bundle savedInstanceState) { 88 super.onViewCreated(view, savedInstanceState); 89 mShowNotificationButton = (Button) view.findViewById(R.id.show_notification_button); 90 mShowNotificationButton.setOnClickListener(new View.OnClickListener() { 91 @Override 92 public void onClick(View view) { 93 mNotificationManager.notify(NOTIFICATION_ID, createNotification( 94 mUseHeadsUpCheckbox.isChecked())); 95 Toast.makeText(getActivity(), "Show Notification clicked", Toast.LENGTH_SHORT).show(); 96 } 97 }); 98 mUseHeadsUpCheckbox = (CheckBox) view.findViewById(R.id.use_heads_up_checkbox); 99 } 100 101 /** 102 * Creates a new notification depending on the argument. 103 * 104 * @param makeHeadsUpNotification A boolean value to indicating whether a notification will be 105 * created as a heads-up notification or not. 106 * <ul> 107 * <li>true : Creates a heads-up notification.</li> 108 * <li>false : Creates a non-heads-up notification.</li> 109 * </ul> 110 * 111 * @return A Notification instance. 112 */ createNotification(boolean makeHeadsUpNotification)113 private Notification createNotification(boolean makeHeadsUpNotification) { 114 Notification.Builder notificationBuilder = new Notification.Builder(getActivity()) 115 .setSmallIcon(R.drawable.ic_launcher_notification) 116 .setPriority(Notification.PRIORITY_DEFAULT) 117 .setCategory(Notification.CATEGORY_MESSAGE) 118 .setContentTitle("Sample Notification") 119 .setContentText("This is a normal notification."); 120 if (makeHeadsUpNotification) { 121 Intent push = new Intent(); 122 push.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 123 push.setClass(getActivity(), LNotificationActivity.class); 124 125 PendingIntent fullScreenPendingIntent = PendingIntent.getActivity(getActivity(), 0, 126 push, PendingIntent.FLAG_CANCEL_CURRENT); 127 notificationBuilder 128 .setContentText("Heads-Up Notification on Android L or above.") 129 .setFullScreenIntent(fullScreenPendingIntent, true); 130 } 131 return notificationBuilder.build(); 132 } 133 } 134