1 /*
2  * Copyright (C) 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.wearable.findphone;
18 
19 import android.app.Activity;
20 import android.app.Notification;
21 import android.app.Notification.Action;
22 import android.app.NotificationManager;
23 import android.app.PendingIntent;
24 import android.content.Context;
25 import android.content.Intent;
26 import android.os.Bundle;
27 import android.text.Spannable;
28 import android.text.SpannableString;
29 import android.text.style.RelativeSizeSpan;
30 
31 public class FindPhoneActivity extends Activity {
32 
33     private static final int FIND_PHONE_NOTIFICATION_ID = 2;
34     private static Notification.Builder notification;
35 
36     @Override
onCreate(Bundle savedInstanceState)37     protected void onCreate(Bundle savedInstanceState) {
38         super.onCreate(savedInstanceState);
39 
40         // Create a notification with an action to toggle an alarm on the phone.
41         Intent toggleAlarmOperation = new Intent(this, FindPhoneService.class);
42         toggleAlarmOperation.setAction(FindPhoneService.ACTION_TOGGLE_ALARM);
43         PendingIntent toggleAlarmIntent = PendingIntent.getService(this, 0, toggleAlarmOperation,
44                 PendingIntent.FLAG_CANCEL_CURRENT);
45         Action alarmAction = new Action(R.drawable.alarm_action_icon, "", toggleAlarmIntent);
46         // This intent turns off the alarm if the user dismisses the card from the wearable.
47         Intent cancelAlarmOperation = new Intent(this, FindPhoneService.class);
48         cancelAlarmOperation.setAction(FindPhoneService.ACTION_CANCEL_ALARM);
49         PendingIntent cancelAlarmIntent = PendingIntent.getService(this, 0, cancelAlarmOperation,
50                 PendingIntent.FLAG_CANCEL_CURRENT);
51         // Use a spannable string for the notification title to resize it.
52         SpannableString title = new SpannableString(getString(R.string.app_name));
53         title.setSpan(new RelativeSizeSpan(0.85f), 0, title.length(), Spannable.SPAN_POINT_MARK);
54         notification = new Notification.Builder(this)
55                 .setContentTitle(title)
56                 .setContentText(getString(R.string.turn_alarm_on))
57                 .setSmallIcon(R.drawable.ic_launcher)
58                 .setVibrate(new long[] {0, 50})  // Vibrate to bring card to top of stream.
59                 .setDeleteIntent(cancelAlarmIntent)
60                 .extend(new Notification.WearableExtender()
61                         .addAction(alarmAction)
62                         .setContentAction(0)
63                         .setHintHideIcon(true))
64                 .setLocalOnly(true)
65                 .setPriority(Notification.PRIORITY_MAX);
66         ((NotificationManager) getSystemService(NOTIFICATION_SERVICE))
67                 .notify(FIND_PHONE_NOTIFICATION_ID, notification.build());
68 
69         finish();
70     }
71 
72     /**
73      * Updates the text on the wearable notification. This is used so the notification reflects the
74      * current state of the alarm on the phone. For instance, if the alarm is turned on, the
75      * notification text indicates that the user can tap it to turn it off, and vice-versa.
76      *
77      * @param context
78      * @param notificationText The new text to display on the wearable notification.
79      */
updateNotification(Context context, String notificationText)80     public static void updateNotification(Context context, String notificationText) {
81         notification.setContentText(notificationText);
82         ((NotificationManager) context.getSystemService(NOTIFICATION_SERVICE))
83                 .notify(FIND_PHONE_NOTIFICATION_ID, notification.build());
84     }
85 
86 }
87