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