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.CONNECT_TIMEOUT_MS; 20 import static com.example.android.wearable.quiz.Constants.GET_CAPABILITIES_TIMEOUT_MS; 21 import static com.example.android.wearable.quiz.Constants.RESET_QUIZ_PATH; 22 23 import android.app.IntentService; 24 import android.content.Intent; 25 import android.util.Log; 26 27 import com.google.android.gms.common.ConnectionResult; 28 import com.google.android.gms.common.api.GoogleApiClient; 29 import com.google.android.gms.wearable.CapabilityApi; 30 import com.google.android.gms.wearable.CapabilityInfo; 31 import com.google.android.gms.wearable.Node; 32 import com.google.android.gms.wearable.Wearable; 33 34 import java.util.Set; 35 import java.util.concurrent.TimeUnit; 36 37 /** 38 * Service to reset the quiz (by sending a message to the phone) when the Reset Quiz 39 * action on the Quiz Report is selected. 40 */ 41 public class QuizReportActionService extends IntentService { 42 43 public static final String ACTION_RESET_QUIZ = "com.example.android.wearable.quiz.RESET_QUIZ"; 44 45 private static final String TAG = "QuizReportActionService"; 46 private static final String RESET_QUIZ_CAPABILITY_NAME = "reset_quiz"; 47 48 public QuizReportActionService() { 49 super(QuizReportActionService.class.getSimpleName()); 50 } 51 52 @Override 53 public void onHandleIntent(Intent intent) { 54 if (intent.getAction().equals(ACTION_RESET_QUIZ)) { 55 final GoogleApiClient googleApiClient = new GoogleApiClient.Builder(this) 56 .addApi(Wearable.API) 57 .build(); 58 ConnectionResult result = googleApiClient.blockingConnect(CONNECT_TIMEOUT_MS, 59 TimeUnit.MILLISECONDS); 60 if (!result.isSuccess()) { 61 Log.e(TAG, "QuizReportActionService failed to connect to GoogleApiClient."); 62 return; 63 } 64 65 CapabilityApi.GetCapabilityResult capabilityResult = Wearable.CapabilityApi 66 .getCapability(googleApiClient, RESET_QUIZ_CAPABILITY_NAME, 67 CapabilityApi.FILTER_REACHABLE) 68 .await(GET_CAPABILITIES_TIMEOUT_MS, TimeUnit.MILLISECONDS); 69 if (capabilityResult.getStatus().isSuccess()) { 70 sendResetMessage(googleApiClient, capabilityResult.getCapability()); 71 } else { 72 Log.e(TAG, "Failed to get capabilities, status: " 73 + capabilityResult.getStatus().getStatusMessage()); 74 } 75 } 76 } 77 78 private void sendResetMessage(GoogleApiClient googleApiClient, CapabilityInfo capabilityInfo) { 79 Set<Node> connectedNodes = capabilityInfo.getNodes(); 80 if (connectedNodes.isEmpty()) { 81 Log.w(TAG, "No node capable of resetting quiz was found"); 82 } else { 83 for (Node node : connectedNodes) { 84 Wearable.MessageApi.sendMessage(googleApiClient, node.getId(), RESET_QUIZ_PATH, 85 new byte[0]); 86 } 87 } 88 } 89 } 90