| /* |
| * Copyright (C) 2014 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.datalayer; |
| |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.util.Log; |
| |
| import com.google.android.gms.common.ConnectionResult; |
| import com.google.android.gms.common.api.GoogleApiClient; |
| import com.google.android.gms.common.data.FreezableUtils; |
| import com.google.android.gms.wearable.DataEvent; |
| import com.google.android.gms.wearable.DataEventBuffer; |
| import com.google.android.gms.wearable.MessageEvent; |
| import com.google.android.gms.wearable.Node; |
| import com.google.android.gms.wearable.Wearable; |
| import com.google.android.gms.wearable.WearableListenerService; |
| |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Listens to DataItems and Messages from the local node. |
| */ |
| public class DataLayerListenerService extends WearableListenerService { |
| |
| private static final String TAG = "DataLayerListenerServic"; |
| |
| private static final String START_ACTIVITY_PATH = "/start-activity"; |
| private static final String DATA_ITEM_RECEIVED_PATH = "/data-item-received"; |
| public static final String COUNT_PATH = "/count"; |
| public static final String IMAGE_PATH = "/image"; |
| public static final String IMAGE_KEY = "photo"; |
| private static final String COUNT_KEY = "count"; |
| private static final int MAX_LOG_TAG_LENGTH = 23; |
| GoogleApiClient mGoogleApiClient; |
| |
| @Override |
| public void onCreate() { |
| super.onCreate(); |
| mGoogleApiClient = new GoogleApiClient.Builder(this) |
| .addApi(Wearable.API) |
| .build(); |
| mGoogleApiClient.connect(); |
| } |
| |
| @Override |
| public void onDataChanged(DataEventBuffer dataEvents) { |
| LOGD(TAG, "onDataChanged: " + dataEvents); |
| final List<DataEvent> events = FreezableUtils.freezeIterable(dataEvents); |
| dataEvents.close(); |
| if(!mGoogleApiClient.isConnected()) { |
| ConnectionResult connectionResult = mGoogleApiClient |
| .blockingConnect(30, TimeUnit.SECONDS); |
| if (!connectionResult.isSuccess()) { |
| Log.e(TAG, "DataLayerListenerService failed to connect to GoogleApiClient."); |
| return; |
| } |
| } |
| |
| // Loop through the events and send a message back to the node that created the data item. |
| for (DataEvent event : events) { |
| Uri uri = event.getDataItem().getUri(); |
| String path = uri.getPath(); |
| if (COUNT_PATH.equals(path)) { |
| // Get the node id of the node that created the data item from the host portion of |
| // the uri. |
| String nodeId = uri.getHost(); |
| // Set the data of the message to be the bytes of the Uri. |
| byte[] payload = uri.toString().getBytes(); |
| |
| // Send the rpc |
| Wearable.MessageApi.sendMessage(mGoogleApiClient, nodeId, DATA_ITEM_RECEIVED_PATH, |
| payload); |
| } |
| } |
| } |
| |
| @Override |
| public void onMessageReceived(MessageEvent messageEvent) { |
| LOGD(TAG, "onMessageReceived: " + messageEvent); |
| |
| // Check to see if the message is to start an activity |
| if (messageEvent.getPath().equals(START_ACTIVITY_PATH)) { |
| Intent startIntent = new Intent(this, MainActivity.class); |
| startIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| startActivity(startIntent); |
| } |
| } |
| |
| @Override |
| public void onPeerConnected(Node peer) { |
| LOGD(TAG, "onPeerConnected: " + peer); |
| } |
| |
| @Override |
| public void onPeerDisconnected(Node peer) { |
| LOGD(TAG, "onPeerDisconnected: " + peer); |
| } |
| |
| public static void LOGD(final String tag, String message) { |
| if (Log.isLoggable(tag, Log.DEBUG)) { |
| Log.d(tag, message); |
| } |
| } |
| } |