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DigitalWatchFaceConfigListenerService.java
/* * Copyright (C) 2017 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.example.android.wearable.watchface.config; import android.os.Bundle; import android.util.Log; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.api.GoogleApiClient; import com.google.android.gms.wearable.DataMap; import com.google.android.gms.wearable.MessageEvent; import com.google.android.gms.wearable.Wearable; import com.google.android.gms.wearable.WearableListenerService; import com.example.android.wearable.watchface.watchface.DigitalWatchFaceService; import com.example.android.wearable.watchface.util.DigitalWatchFaceUtil; import java.util.concurrent.TimeUnit; /** * A {@link WearableListenerService} listening for {@link DigitalWatchFaceService} config messages * and updating the config {@link com.google.android.gms.wearable.DataItem} accordingly. */ public class DigitalWatchFaceConfigListenerService extends WearableListenerService implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener { private static final String TAG = "DigitalListenerService"; private GoogleApiClient mGoogleApiClient; @Override // WearableListenerService public void onMessageReceived(MessageEvent messageEvent) { if (Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "onMessageReceived: " + messageEvent); } if (!messageEvent.getPath().equals(DigitalWatchFaceUtil.PATH_WITH_FEATURE)) { return; } byte[] rawData = messageEvent.getData(); // It's allowed that the message carries only some of the keys used in the config DataItem // and skips the ones that we don't want to change. DataMap configKeysToOverwrite = DataMap.fromByteArray(rawData); if (Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "Received watch face config message: " + configKeysToOverwrite); } if (mGoogleApiClient == null) { mGoogleApiClient = new GoogleApiClient.Builder(this).addConnectionCallbacks(this) .addOnConnectionFailedListener(this).addApi(Wearable.API).build(); } if (!mGoogleApiClient.isConnected()) { ConnectionResult connectionResult = mGoogleApiClient.blockingConnect(30, TimeUnit.SECONDS); if (!connectionResult.isSuccess()) { Log.e(TAG, "Failed to connect to GoogleApiClient."); return; } } DigitalWatchFaceUtil.overwriteKeysInConfigDataMap(mGoogleApiClient, configKeysToOverwrite); } @Override // GoogleApiClient.ConnectionCallbacks public void onConnected(Bundle connectionHint) { if (Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "onConnected: " + connectionHint); } } @Override // GoogleApiClient.ConnectionCallbacks public void onConnectionSuspended(int cause) { if (Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "onConnectionSuspended: " + cause); } } @Override // GoogleApiClient.OnConnectionFailedListener public void onConnectionFailed(ConnectionResult result) { if (Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "onConnectionFailed: " + result); } } }