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.geofencing; 18 19 import static com.example.android.wearable.geofencing.Constants.ACTION_CHECK_IN; 20 import static com.example.android.wearable.geofencing.Constants.ACTION_DELETE_DATA_ITEM; 21 import static com.example.android.wearable.geofencing.Constants.ANDROID_BUILDING_ID; 22 import static com.example.android.wearable.geofencing.Constants.KEY_GEOFENCE_ID; 23 import static com.example.android.wearable.geofencing.Constants.NOTIFICATION_ID; 24 import static com.example.android.wearable.geofencing.Constants.TAG; 25 import static com.example.android.wearable.geofencing.Constants.YERBA_BUENA_ID; 26 27 import android.app.Notification; 28 import android.app.Notification.Action; 29 import android.app.NotificationManager; 30 import android.app.PendingIntent; 31 import android.content.Intent; 32 import android.graphics.Bitmap; 33 import android.graphics.BitmapFactory; 34 import android.net.Uri; 35 import android.text.Spannable; 36 import android.text.SpannableString; 37 import android.text.style.RelativeSizeSpan; 38 import android.util.Log; 39 40 import com.google.android.gms.common.api.GoogleApiClient; 41 import com.google.android.gms.wearable.DataEvent; 42 import com.google.android.gms.wearable.DataEventBuffer; 43 import com.google.android.gms.wearable.DataItem; 44 import com.google.android.gms.wearable.DataMap; 45 import com.google.android.gms.wearable.Wearable; 46 import com.google.android.gms.wearable.WearableListenerService; 47 48 /** 49 * Listens to DataItem events on the wearable device. 50 */ 51 public class HomeListenerService extends WearableListenerService { 52 53 private GoogleApiClient mGoogleApiClient; 54 55 @Override 56 public void onCreate() { 57 super.onCreate(); 58 mGoogleApiClient = new GoogleApiClient.Builder(this.getApplicationContext()) 59 .addApi(Wearable.API) 60 .build(); 61 mGoogleApiClient.connect(); 62 } 63 64 /** 65 * Listen for DataItems added/deleted from the geofence service running on the companion. 66 */ 67 @Override 68 public void onDataChanged(DataEventBuffer dataEvents) { 69 if (Log.isLoggable(TAG, Log.DEBUG)) { 70 Log.d(TAG, "onDataChanged: " + dataEvents + " for " + getPackageName()); 71 } 72 for (DataEvent event : dataEvents) { 73 if (event.getType() == DataEvent.TYPE_DELETED) { 74 cancelNotificationForDataItem(event.getDataItem()); 75 } else if (event.getType() == DataEvent.TYPE_CHANGED) { 76 // The user has entered a geofence - post a notification! 77 String geofenceId = DataMap.fromByteArray(event.getDataItem().getData()) 78 .getString(KEY_GEOFENCE_ID); 79 postNotificationForGeofenceId(geofenceId, event.getDataItem().getUri()); 80 } 81 } 82 } 83 84 /** 85 * Deletes the check-in notification when the DataItem is deleted. 86 * @param dataItem Used only for logging in this sample, but could be used to identify which 87 * notification to cancel (in this case, there is at most 1 notification). 88 */ 89 private void cancelNotificationForDataItem(DataItem dataItem) { 90 if (Log.isLoggable(TAG, Log.VERBOSE)) { 91 Log.v(TAG, "onDataItemDeleted:DataItem=" + dataItem.getUri()); 92 } 93 ((NotificationManager) getSystemService(NOTIFICATION_SERVICE)).cancel(NOTIFICATION_ID); 94 } 95 96 /** 97 * Posts a local notification for the given geofence id, with an option to check in. 98 * @param geofenceId The geofence id that the user has triggered. 99 * @param dataItemUri The Uri for the DataItem that triggered this notification. Used to delete 100 * this DataItem when the notification is dismissed. 101 */ 102 private void postNotificationForGeofenceId(String geofenceId, Uri dataItemUri) { 103 // Use the geofenceId to determine the title and background of the check-in notification. 104 // A SpannableString is used for the notification title for resizing capabilities. 105 SpannableString checkInTitle; 106 Bitmap notificationBackground; 107 if (ANDROID_BUILDING_ID.equals(geofenceId)) { 108 checkInTitle = new SpannableString(getText(R.string.android_building_title)); 109 notificationBackground = 110 BitmapFactory.decodeResource(getResources(), R.drawable.android_building); 111 } else if (YERBA_BUENA_ID.equals(geofenceId)) { 112 checkInTitle = new SpannableString(getText(R.string.yerba_buena_title)); 113 notificationBackground = 114 BitmapFactory.decodeResource(getResources(), R.drawable.yerba_buena); 115 } else { 116 Log.e(TAG, "Unrecognized geofence id: " + geofenceId); 117 return; 118 } 119 // Resize the title to avoid truncation. 120 checkInTitle.setSpan(new RelativeSizeSpan(0.8f), 0, checkInTitle.length(), 121 Spannable.SPAN_POINT_MARK); 122 123 Intent checkInOperation = 124 new Intent(this, CheckInAndDeleteDataItemsService.class).setData(dataItemUri); 125 PendingIntent checkInIntent = PendingIntent.getService(this, 0, 126 checkInOperation.setAction(ACTION_CHECK_IN), PendingIntent.FLAG_CANCEL_CURRENT); 127 PendingIntent deleteDataItemIntent = PendingIntent.getService(this, 1, 128 checkInOperation.setAction(ACTION_DELETE_DATA_ITEM), 129 PendingIntent.FLAG_CANCEL_CURRENT); 130 // This action will be embedded into the notification. 131 Action checkInAction = new Action(R.drawable.ic_action_check_in, 132 getText(R.string.check_in_prompt), checkInIntent); 133 134 Notification notification = new Notification.Builder(this) 135 .setContentTitle(checkInTitle) 136 .setContentText(getText(R.string.check_in_prompt)) 137 .setSmallIcon(R.drawable.ic_launcher) 138 .setDeleteIntent(deleteDataItemIntent) 139 .extend(new Notification.WearableExtender() 140 .setBackground(notificationBackground) 141 .addAction(checkInAction) 142 .setContentAction(0) 143 .setHintHideIcon(true)) 144 .setLocalOnly(true) 145 .build(); 146 147 ((NotificationManager) getSystemService(NOTIFICATION_SERVICE)) 148 .notify(NOTIFICATION_ID, notification); 149 } 150 151 } 152
