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.watchface; 18 19 import android.os.Bundle; 20 import android.util.Log; 21 22 import com.google.android.gms.common.ConnectionResult; 23 import com.google.android.gms.common.api.GoogleApiClient; 24 import com.google.android.gms.wearable.DataMap; 25 import com.google.android.gms.wearable.MessageEvent; 26 import com.google.android.gms.wearable.Wearable; 27 import com.google.android.gms.wearable.WearableListenerService; 28 29 import java.util.concurrent.TimeUnit; 30 31 /** 32 * A {@link WearableListenerService} listening for {@link DigitalWatchFaceService} config messages 33 * and updating the config {@link com.google.android.gms.wearable.DataItem} accordingly. 34 */ 35 public class DigitalWatchFaceConfigListenerService extends WearableListenerService 36 implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener { 37 private static final String TAG = "DigitalListenerService"; 38 39 private GoogleApiClient mGoogleApiClient; 40 41 @Override // WearableListenerService 42 public void onMessageReceived(MessageEvent messageEvent) { 43 if (!messageEvent.getPath().equals(DigitalWatchFaceUtil.PATH_WITH_FEATURE)) { 44 return; 45 } 46 byte[] rawData = messageEvent.getData(); 47 // It's allowed that the message carries only some of the keys used in the config DataItem 48 // and skips the ones that we don't want to change. 49 DataMap configKeysToOverwrite = DataMap.fromByteArray(rawData); 50 if (Log.isLoggable(TAG, Log.DEBUG)) { 51 Log.d(TAG, "Received watch face config message: " + configKeysToOverwrite); 52 } 53 54 if (mGoogleApiClient == null) { 55 mGoogleApiClient = new GoogleApiClient.Builder(this).addConnectionCallbacks(this) 56 .addOnConnectionFailedListener(this).addApi(Wearable.API).build(); 57 } 58 if (!mGoogleApiClient.isConnected()) { 59 ConnectionResult connectionResult = 60 mGoogleApiClient.blockingConnect(30, TimeUnit.SECONDS); 61 62 if (!connectionResult.isSuccess()) { 63 Log.e(TAG, "Failed to connect to GoogleApiClient."); 64 return; 65 } 66 } 67 68 DigitalWatchFaceUtil.overwriteKeysInConfigDataMap(mGoogleApiClient, configKeysToOverwrite); 69 } 70 71 @Override // GoogleApiClient.ConnectionCallbacks 72 public void onConnected(Bundle connectionHint) { 73 if (Log.isLoggable(TAG, Log.DEBUG)) { 74 Log.d(TAG, "onConnected: " + connectionHint); 75 } 76 } 77 78 @Override // GoogleApiClient.ConnectionCallbacks 79 public void onConnectionSuspended(int cause) { 80 if (Log.isLoggable(TAG, Log.DEBUG)) { 81 Log.d(TAG, "onConnectionSuspended: " + cause); 82 } 83 } 84 85 @Override // GoogleApiClient.OnConnectionFailedListener 86 public void onConnectionFailed(ConnectionResult result) { 87 if (Log.isLoggable(TAG, Log.DEBUG)) { 88 Log.d(TAG, "onConnectionFailed: " + result); 89 } 90 } 91 } 92