to top
CustomNotifications / src / com.example.android.customnotifications /

MainActivity.java

1
/*
2
 * Copyright (C) 2013 The Android Open Source Project
3
 * Licensed under the Apache License, Version 2.0 (the "License");
4
 * you may not use this file except in compliance with the License.
5
 * You may obtain a copy of the License at
6
 *
7
 *       http://www.apache.org/licenses/LICENSE-2.0
8
 *
9
 * Unless required by applicable law or agreed to in writing, software
10
 * distributed under the License is distributed on an "AS IS" BASIS,
11
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12
 * See the License for the specific language governing permissions and
13
 * limitations under the License.
14
 */
15
 
16
package com.example.android.customnotifications;
17
 
18
import android.app.Activity;
19
import android.app.Notification;
20
import android.app.NotificationManager;
21
import android.app.PendingIntent;
22
import android.content.Intent;
23
import android.os.Build;
24
import android.os.Bundle;
25
import android.support.v4.app.NotificationCompat;
26
import android.view.View;
27
import android.widget.RemoteViews;
28
 
29
import java.text.DateFormat;
30
import java.util.Date;
31
 
32
public class MainActivity extends Activity {
33
    /**
34
     * This sample demonstrates notifications with custom content views.
35
     *
36
     * <p>On API level 16 and above a big content view is also defined that is used for the
37
     * 'expanded' notification. The notification is created by the NotificationCompat.Builder.
38
     * The expanded content view is set directly on the {@link android.app.Notification} once it has been build.
39
     * (See {@link android.app.Notification#bigContentView}.) </p>
40
     *
41
     * <p>The content views are inflated as {@link android.widget.RemoteViews} directly from their XML layout
42
     * definitions using {@link android.widget.RemoteViews#RemoteViews(String, int)}.</p>
43
     */
44
    private void createNotification() {
46
        NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
48
 
50
        //Create Intent to launch this Activity again if the notification is clicked.
51
        Intent i = new Intent(this, MainActivity.class);
52
        i.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
53
        PendingIntent intent = PendingIntent.getActivity(this, 0, i,
54
                PendingIntent.FLAG_UPDATE_CURRENT);
55
        builder.setContentIntent(intent);
57
 
59
        // Sets the ticker text
60
        builder.setTicker(getResources().getString(R.string.custom_notification));
61
 
62
        // Sets the small icon for the ticker
63
        builder.setSmallIcon(R.drawable.ic_stat_custom);
65
 
67
        // Cancel the notification when clicked
68
        builder.setAutoCancel(true);
69
 
70
        // Build the notification
71
        Notification notification = builder.build();
73
 
75
        // Inflate the notification layout as RemoteViews
76
        RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.notification);
77
 
78
        // Set text on a TextView in the RemoteViews programmatically.
79
        final String time = DateFormat.getTimeInstance().format(new Date()).toString();
80
        final String text = getResources().getString(R.string.collapsed, time);
81
        contentView.setTextViewText(R.id.textView, text);
82
 
83
        /* Workaround: Need to set the content view here directly on the notification.
84
         * NotificationCompatBuilder contains a bug that prevents this from working on platform
85
         * versions HoneyComb.
86
         * See https://code.google.com/p/android/issues/detail?id=30495
87
         */
88
        notification.contentView = contentView;
89
 
90
        // Add a big content view to the notification if supported.
91
        // Support for expanded notifications was added in API level 16.
92
        // (The normal contentView is shown when the notification is collapsed, when expanded the
93
        // big content view set here is displayed.)
94
        if (Build.VERSION.SDK_INT >= 16) {
95
            // Inflate and set the layout for the expanded notification view
96
            RemoteViews expandedView =
97
                    new RemoteViews(getPackageName(), R.layout.notification_expanded);
98
            notification.bigContentView = expandedView;
99
        }
101
 
102
        // START_INCLUDE(notify)
103
        // Use the NotificationManager to show the notification
104
        NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
105
        nm.notify(0, notification);
107
    }
108
 
109
    @Override
110
    protected void onCreate(Bundle savedInstanceState) {
111
        super.onCreate(savedInstanceState);
112
        setContentView(R.layout.sample_main);
113
    }
114
 
115
    /**
116
     * Create and show a notification with a custom layout.
117
     * This callback is defined through the 'onClick' attribute of the
118
     * 'Show Notification' button in the XML layout.
119
     *
120
     * @param v
121
     */
122
    public void showNotificationClicked(View v) {
123
        createNotification();
124
    }
125
}