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      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.IntentService;
     20 import android.content.Intent;
     21 import android.os.Bundle;
     22 import android.util.Log;
     23 
     24 import com.google.android.gms.common.ConnectionResult;
     25 import com.google.android.gms.common.api.GoogleApiClient;
     26 import com.google.android.gms.wearable.DataItemBuffer;
     27 import com.google.android.gms.wearable.DataMap;
     28 import com.google.android.gms.wearable.PutDataMapRequest;
     29 import com.google.android.gms.wearable.Wearable;
     30 
     31 import java.util.concurrent.TimeUnit;
     32 
     33 /**
     34  * Creates a sound on the paired phone to find it.
     35  */
     36 public class FindPhoneService extends IntentService implements GoogleApiClient.ConnectionCallbacks,
     37         GoogleApiClient.OnConnectionFailedListener {
     38 
     39     private static final String TAG = "ExampleFindPhoneApp";
     40 
     41     private static final String FIELD_ALARM_ON = "alarm_on";
     42     private static final String PATH_SOUND_ALARM = "/sound_alarm";
     43     public static final String ACTION_TOGGLE_ALARM = "action_toggle_alarm";
     44     public static final String ACTION_CANCEL_ALARM = "action_alarm_off";
     45 
     46     // Timeout for making a connection to GoogleApiClient (in milliseconds).
     47     private static final long CONNECTION_TIME_OUT_MS = 100;
     48     private GoogleApiClient mGoogleApiClient;
     49 
     50     public FindPhoneService() {
     51         super(FindPhoneService.class.getSimpleName());
     52     }
     53 
     54     @Override
     55     public void onCreate() {
     56         super.onCreate();
     57         mGoogleApiClient = new GoogleApiClient.Builder(this)
     58                 .addApi(Wearable.API)
     59                 .addConnectionCallbacks(this)
     60                 .addOnConnectionFailedListener(this)
     61                 .build();
     62     }
     63 
     64     @Override
     65     protected void onHandleIntent(Intent intent) {
     66         mGoogleApiClient.blockingConnect(CONNECTION_TIME_OUT_MS, TimeUnit.MILLISECONDS);
     67         if (Log.isLoggable(TAG, Log.VERBOSE)) {
     68             Log.v(TAG, "FindPhoneService.onHandleIntent");
     69         }
     70         if (mGoogleApiClient.isConnected()) {
     71             // Set the alarm off by default.
     72             boolean alarmOn = false;
     73             if (intent.getAction().equals(ACTION_TOGGLE_ALARM)) {
     74                 // Get current state of the alarm.
     75                 DataItemBuffer result = Wearable.DataApi.getDataItems(mGoogleApiClient).await();
     76                 if (result.getStatus().isSuccess()) {
     77                     if (result.getCount() == 1) {
     78                         alarmOn = DataMap.fromByteArray(result.get(0).getData())
     79                                 .getBoolean(FIELD_ALARM_ON, false);
     80                     } else {
     81                         Log.e(TAG, "Unexpected number of DataItems found.\n"
     82                                  + "\tExpected: 1\n"
     83                                  + "\tActual: " + result.getCount());
     84                     }
     85                 } else if (Log.isLoggable(TAG, Log.DEBUG)) {
     86                     Log.d(TAG, "onHandleIntent: failed to get current alarm state");
     87                 }
     88                 result.close();
     89                 // Toggle alarm.
     90                 alarmOn = !alarmOn;
     91                 // Change notification text based on new value of alarmOn.
     92                 String notificationText = alarmOn ? getString(R.string.turn_alarm_off)
     93                                                   : getString(R.string.turn_alarm_on);
     94                 FindPhoneActivity.updateNotification(this, notificationText);
     95             }
     96             // Use alarmOn boolean to update the DataItem - phone will respond accordingly
     97             // when it receives the change.
     98             PutDataMapRequest putDataMapRequest = PutDataMapRequest.create(PATH_SOUND_ALARM);
     99             putDataMapRequest.getDataMap().putBoolean(FIELD_ALARM_ON, alarmOn);
    100             Wearable.DataApi.putDataItem(mGoogleApiClient, putDataMapRequest.asPutDataRequest())
    101                     .await();
    102         } else {
    103             Log.e(TAG, "Failed to toggle alarm on phone - Client disconnected from Google Play "
    104                      + "Services");
    105         }
    106         mGoogleApiClient.disconnect();
    107     }
    108 
    109     @Override
    110     public void onConnected(Bundle connectionHint) {
    111     }
    112 
    113     @Override
    114     public void onConnectionSuspended(int cause) {
    115     }
    116 
    117     @Override
    118     public void onConnectionFailed(ConnectionResult result) {
    119     }
    120 
    121 }
    122