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Quiz / Wearable / src / com.example.android.wearable.quiz /

QuizReportActionService.java

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/*
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 * Copyright (C) 2014 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package com.example.android.wearable.quiz;
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import static com.example.android.wearable.quiz.Constants.CONNECT_TIMEOUT_MS;
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import static com.example.android.wearable.quiz.Constants.GET_CAPABILITIES_TIMEOUT_MS;
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import static com.example.android.wearable.quiz.Constants.RESET_QUIZ_PATH;
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import android.app.IntentService;
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import android.content.Intent;
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import android.util.Log;
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import com.google.android.gms.common.ConnectionResult;
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import com.google.android.gms.common.api.GoogleApiClient;
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import com.google.android.gms.wearable.CapabilityApi;
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import com.google.android.gms.wearable.CapabilityInfo;
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import com.google.android.gms.wearable.Node;
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import com.google.android.gms.wearable.Wearable;
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import java.util.Set;
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import java.util.concurrent.TimeUnit;
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/**
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 * Service to reset the quiz (by sending a message to the phone) when the Reset Quiz
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 * action on the Quiz Report is selected.
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 */
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public class QuizReportActionService extends IntentService {
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    public static final String ACTION_RESET_QUIZ = "com.example.android.wearable.quiz.RESET_QUIZ";
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    private static final String TAG = "QuizReportActionService";
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    private static final String RESET_QUIZ_CAPABILITY_NAME = "reset_quiz";
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    public QuizReportActionService() {
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        super(QuizReportActionService.class.getSimpleName());
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    }
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    @Override
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    public void onHandleIntent(Intent intent) {
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        if (intent.getAction().equals(ACTION_RESET_QUIZ)) {
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            final GoogleApiClient googleApiClient = new GoogleApiClient.Builder(this)
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                    .addApi(Wearable.API)
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                    .build();
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            ConnectionResult result = googleApiClient.blockingConnect(CONNECT_TIMEOUT_MS,
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                    TimeUnit.MILLISECONDS);
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            if (!result.isSuccess()) {
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                Log.e(TAG, "QuizReportActionService failed to connect to GoogleApiClient.");
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                return;
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            }
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            CapabilityApi.GetCapabilityResult capabilityResult = Wearable.CapabilityApi
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                    .getCapability(googleApiClient, RESET_QUIZ_CAPABILITY_NAME,
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                            CapabilityApi.FILTER_REACHABLE)
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                    .await(GET_CAPABILITIES_TIMEOUT_MS, TimeUnit.MILLISECONDS);
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            if (capabilityResult.getStatus().isSuccess()) {
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                sendResetMessage(googleApiClient, capabilityResult.getCapability());
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            } else {
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                Log.e(TAG, "Failed to get capabilities, status: "
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                        + capabilityResult.getStatus().getStatusMessage());
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            }
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        }
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    }
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    private void sendResetMessage(GoogleApiClient googleApiClient, CapabilityInfo capabilityInfo) {
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        Set<Node> connectedNodes = capabilityInfo.getNodes();
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        if (connectedNodes.isEmpty()) {
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            Log.w(TAG, "No node capable of resetting quiz was found");
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        } else {
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            for (Node node : connectedNodes) {
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                Wearable.MessageApi.sendMessage(googleApiClient, node.getId(), RESET_QUIZ_PATH,
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                        new byte[0]);
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            }
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        }
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    }
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}
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