Skip to content

Most visited

Recently visited

navigation
LNotifications / src / com.example.android.lnotifications /

HeadsUpNotificationFragment.java

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
     */
62
    public static HeadsUpNotificationFragment newInstance() {
63
        HeadsUpNotificationFragment fragment = new HeadsUpNotificationFragment();
64
        fragment.setRetainInstance(true);
65
        return fragment;
66
    }
67
 
68
    public HeadsUpNotificationFragment() {
69
        // Required empty public constructor
70
    }
71
 
72
    @Override
73
    public void onCreate(Bundle savedInstanceState) {
74
        super.onCreate(savedInstanceState);
75
        mNotificationManager = (NotificationManager) getActivity().getSystemService(Context
76
                .NOTIFICATION_SERVICE);
77
    }
78
 
79
    @Override
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
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
     */
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
}
This site uses cookies to store your preferences for site-specific language and display options.

Get the latest Android developer news and tips that will help you find success on Google Play.

* Required Fields

Hooray!

Follow Google Developers on WeChat

Browse this site in ?

You requested a page in , but your language preference for this site is .

Would you like to change your language preference and browse this site in ? If you want to change your language preference later, use the language menu at the bottom of each page.