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.quiz;
18 
19 import static com.example.android.wearable.quiz.Constants.CHOSEN_ANSWER_CORRECT;
20 import static com.example.android.wearable.quiz.Constants.QUESTION_INDEX;
21 import static com.example.android.wearable.quiz.Constants.QUESTION_WAS_ANSWERED;
22 
23 import android.app.IntentService;
24 import android.app.NotificationManager;
25 import android.content.Intent;
26 import android.net.Uri;
27 import android.os.Bundle;
28 import android.util.Log;
29 
30 import com.google.android.gms.common.ConnectionResult;
31 import com.google.android.gms.common.api.GoogleApiClient;
32 import com.google.android.gms.wearable.DataApi;
33 import com.google.android.gms.wearable.DataMap;
34 import com.google.android.gms.wearable.DataMapItem;
35 import com.google.android.gms.wearable.PutDataMapRequest;
36 import com.google.android.gms.wearable.PutDataRequest;
37 import com.google.android.gms.wearable.Wearable;
38 
39 import java.util.concurrent.TimeUnit;
40 
41 /**
42  * Updates quiz status on the phone when user selects an answer to a question on the watch.
43  */
44 public class UpdateQuestionService extends IntentService
45         implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {
46 
47     public static final String EXTRA_QUESTION_CORRECT = "extra_question_correct";
48     public static final String EXTRA_QUESTION_INDEX = "extra_question_index";
49 
50     private static final long TIME_OUT_MS = 100;
51     private static final String TAG = "UpdateQuestionService";
52 
53     private GoogleApiClient mGoogleApiClient;
54 
UpdateQuestionService()55     public UpdateQuestionService() {
56         super(UpdateQuestionService.class.getSimpleName());
57     }
58 
59     @Override
onCreate()60     public void onCreate() {
61         super.onCreate();
62         mGoogleApiClient = new GoogleApiClient.Builder(this)
63                 .addApi(Wearable.API)
64                 .addConnectionCallbacks(this)
65                 .addOnConnectionFailedListener(this)
66                 .build();
67     }
68 
69     @Override
onHandleIntent(Intent intent)70     protected void onHandleIntent(Intent intent) {
71         mGoogleApiClient.blockingConnect(TIME_OUT_MS, TimeUnit.MILLISECONDS);
72         Uri dataItemUri = intent.getData();
73         if (!mGoogleApiClient.isConnected()) {
74             Log.e(TAG, "Failed to update data item " + dataItemUri
75                     + " because client is disconnected from Google Play Services");
76             return;
77         }
78         DataApi.DataItemResult dataItemResult = Wearable.DataApi.getDataItem(
79                 mGoogleApiClient, dataItemUri).await();
80         PutDataMapRequest putDataMapRequest = PutDataMapRequest
81                 .createFromDataMapItem(DataMapItem.fromDataItem(dataItemResult.getDataItem()));
82         DataMap dataMap = putDataMapRequest.getDataMap();
83 
84         // Update quiz status variables, which will be reflected on the phone.
85         int questionIndex = intent.getIntExtra(EXTRA_QUESTION_INDEX, -1);
86         boolean chosenAnswerCorrect = intent.getBooleanExtra(EXTRA_QUESTION_CORRECT, false);
87         dataMap.putInt(QUESTION_INDEX, questionIndex);
88         dataMap.putBoolean(CHOSEN_ANSWER_CORRECT, chosenAnswerCorrect);
89         dataMap.putBoolean(QUESTION_WAS_ANSWERED, true);
90         PutDataRequest request = putDataMapRequest.asPutDataRequest();
91         request.setUrgent();
92         Wearable.DataApi.putDataItem(mGoogleApiClient, request).await();
93 
94         // Remove this question notification.
95         ((NotificationManager) getSystemService(NOTIFICATION_SERVICE)).cancel(questionIndex);
96         mGoogleApiClient.disconnect();
97     }
98 
99     @Override
onConnected(Bundle connectionHint)100     public void onConnected(Bundle connectionHint) {
101     }
102 
103     @Override
onConnectionSuspended(int cause)104     public void onConnectionSuspended(int cause) {
105     }
106 
107     @Override
onConnectionFailed(ConnectionResult result)108     public void onConnectionFailed(ConnectionResult result) {
109     }
110 }
111