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