Java tutorial
/* * Copyright 2015 Google Inc. All rights reserved. * * 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.asburymotors.android.disneysocal.service; import android.app.IntentService; import android.app.Notification; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.graphics.Bitmap; import android.location.Location; import android.support.v4.app.NotificationCompat; import android.support.v4.app.NotificationManagerCompat; import android.support.v4.content.LocalBroadcastManager; import android.util.Log; import com.bumptech.glide.Glide; import com.bumptech.glide.load.engine.DiskCacheStrategy; import com.asburymotors.android.disneysocal.R; import com.asburymotors.android.disneysocal.common.Attraction; import com.asburymotors.android.disneysocal.common.Constants; import com.asburymotors.android.disneysocal.common.Utils; import com.asburymotors.android.disneysocal.provider.TouristAttractions; import com.asburymotors.android.disneysocal.ui.DetailActivity; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.api.GoogleApiClient; import com.google.android.gms.location.FusedLocationProviderApi; import com.google.android.gms.location.Geofence; import com.google.android.gms.location.GeofencingEvent; import com.google.android.gms.location.LocationRequest; import com.google.android.gms.location.LocationServices; import com.google.android.gms.maps.model.LatLng; import com.google.android.gms.wearable.DataApi; import com.google.android.gms.wearable.DataMap; import com.google.android.gms.wearable.PutDataMapRequest; import com.google.android.gms.wearable.PutDataRequest; import com.google.android.gms.wearable.Wearable; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.concurrent.ExecutionException; import java.util.concurrent.TimeUnit; import static com.asburymotors.android.disneysocal.provider.TouristAttractions.ATTRACTIONS; import static com.google.android.gms.location.LocationServices.FusedLocationApi; import static com.google.android.gms.location.LocationServices.GeofencingApi; /** * A utility IntentService, used for a variety of asynchronous background * operations that do not necessarily need to be tied to a UI. */ public class UtilityService extends IntentService { private static final String TAG = UtilityService.class.getSimpleName(); public static final String ACTION_GEOFENCE_TRIGGERED = "geofence_triggered"; private static final String ACTION_LOCATION_UPDATED = "location_updated"; private static final String ACTION_REQUEST_LOCATION = "request_location"; private static final String ACTION_ADD_GEOFENCES = "add_geofences"; private static final String ACTION_CLEAR_NOTIFICATION = "clear_notification"; private static final String ACTION_CLEAR_REMOTE_NOTIFICATIONS = "clear_remote_notifications"; private static final String ACTION_FAKE_UPDATE = "fake_update"; private static final String EXTRA_TEST_MICROAPP = "test_microapp"; public static IntentFilter getLocationUpdatedIntentFilter() { return new IntentFilter(UtilityService.ACTION_LOCATION_UPDATED); } public static void triggerWearTest(Context context, boolean microApp) { Intent intent = new Intent(context, UtilityService.class); intent.setAction(UtilityService.ACTION_FAKE_UPDATE); intent.putExtra(EXTRA_TEST_MICROAPP, microApp); context.startService(intent); } public static void addGeofences(Context context) { Intent intent = new Intent(context, UtilityService.class); intent.setAction(UtilityService.ACTION_ADD_GEOFENCES); context.startService(intent); } public static void requestLocation(Context context) { Intent intent = new Intent(context, UtilityService.class); intent.setAction(UtilityService.ACTION_REQUEST_LOCATION); context.startService(intent); } public static void clearNotification(Context context) { Intent intent = new Intent(context, UtilityService.class); intent.setAction(UtilityService.ACTION_CLEAR_NOTIFICATION); context.startService(intent); } public static Intent getClearRemoteNotificationsIntent(Context context) { Intent intent = new Intent(context, UtilityService.class); intent.setAction(UtilityService.ACTION_CLEAR_REMOTE_NOTIFICATIONS); return intent; } public UtilityService() { super(TAG); } @Override protected void onHandleIntent(Intent intent) { String action = intent != null ? intent.getAction() : null; if (ACTION_ADD_GEOFENCES.equals(action)) { addGeofencesInternal(); } else if (ACTION_GEOFENCE_TRIGGERED.equals(action)) { geofenceTriggered(intent); } else if (ACTION_REQUEST_LOCATION.equals(action)) { requestLocationInternal(); } else if (ACTION_LOCATION_UPDATED.equals(action)) { locationUpdated(intent); } else if (ACTION_CLEAR_NOTIFICATION.equals(action)) { clearNotificationInternal(); } else if (ACTION_CLEAR_REMOTE_NOTIFICATIONS.equals(action)) { clearRemoteNotifications(); } else if (ACTION_FAKE_UPDATE.equals(action)) { LatLng currentLocation = Utils.getLocation(this); // If location unknown use test city, otherwise use closest city String city = currentLocation == null ? TouristAttractions.TEST_CITY : TouristAttractions.getClosestCity(currentLocation); showNotification(city, intent.getBooleanExtra(EXTRA_TEST_MICROAPP, Constants.USE_MICRO_APP)); } } /** * Add geofences using Play Services */ private void addGeofencesInternal() { Log.v(TAG, ACTION_ADD_GEOFENCES); if (!Utils.checkFineLocationPermission(this)) { return; } GoogleApiClient googleApiClient = new GoogleApiClient.Builder(this).addApi(LocationServices.API).build(); // It's OK to use blockingConnect() here as we are running in an // IntentService that executes work on a separate (background) thread. ConnectionResult connectionResult = googleApiClient.blockingConnect(Constants.GOOGLE_API_CLIENT_TIMEOUT_S, TimeUnit.SECONDS); if (connectionResult.isSuccess() && googleApiClient.isConnected()) { PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, new Intent(this, UtilityReceiver.class), 0); GeofencingApi.addGeofences(googleApiClient, TouristAttractions.getGeofenceList(), pendingIntent); googleApiClient.disconnect(); } else { Log.e(TAG, String.format(Constants.GOOGLE_API_CLIENT_ERROR_MSG, connectionResult.getErrorCode())); } } /** * Called when a geofence is triggered */ private void geofenceTriggered(Intent intent) { Log.v(TAG, ACTION_GEOFENCE_TRIGGERED); // Check if geofences are enabled boolean geofenceEnabled = Utils.getGeofenceEnabled(this); // Extract the geofences from the intent GeofencingEvent event = GeofencingEvent.fromIntent(intent); List<Geofence> geofences = event.getTriggeringGeofences(); if (geofenceEnabled && geofences != null && geofences.size() > 0) { if (event.getGeofenceTransition() == Geofence.GEOFENCE_TRANSITION_ENTER) { // Trigger the notification based on the first geofence showNotification(geofences.get(0).getRequestId(), Constants.USE_MICRO_APP); } else if (event.getGeofenceTransition() == Geofence.GEOFENCE_TRANSITION_EXIT) { // Clear notifications clearNotificationInternal(); clearRemoteNotifications(); } } UtilityReceiver.completeWakefulIntent(intent); } /** * Called when a location update is requested */ private void requestLocationInternal() { Log.v(TAG, ACTION_REQUEST_LOCATION); if (!Utils.checkFineLocationPermission(this)) { return; } GoogleApiClient googleApiClient = new GoogleApiClient.Builder(this).addApi(LocationServices.API).build(); // It's OK to use blockingConnect() here as we are running in an // IntentService that executes work on a separate (background) thread. ConnectionResult connectionResult = googleApiClient.blockingConnect(Constants.GOOGLE_API_CLIENT_TIMEOUT_S, TimeUnit.SECONDS); if (connectionResult.isSuccess() && googleApiClient.isConnected()) { Intent locationUpdatedIntent = new Intent(this, UtilityService.class); locationUpdatedIntent.setAction(ACTION_LOCATION_UPDATED); // Send last known location out first if available Location location = FusedLocationApi.getLastLocation(googleApiClient); if (location != null) { Intent lastLocationIntent = new Intent(locationUpdatedIntent); lastLocationIntent.putExtra(FusedLocationProviderApi.KEY_LOCATION_CHANGED, location); startService(lastLocationIntent); } // Request new location LocationRequest mLocationRequest = new LocationRequest() .setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY); FusedLocationApi.requestLocationUpdates(googleApiClient, mLocationRequest, PendingIntent.getService(this, 0, locationUpdatedIntent, 0)); googleApiClient.disconnect(); } else { Log.e(TAG, String.format(Constants.GOOGLE_API_CLIENT_ERROR_MSG, connectionResult.getErrorCode())); } } /** * Called when the location has been updated */ private void locationUpdated(Intent intent) { Log.v(TAG, ACTION_LOCATION_UPDATED); // Extra new location Location location = intent.getParcelableExtra(FusedLocationProviderApi.KEY_LOCATION_CHANGED); if (location != null) { LatLng latLngLocation = new LatLng(location.getLatitude(), location.getLongitude()); // Store in a local preference as well Utils.storeLocation(this, latLngLocation); // Send a local broadcast so if an Activity is open it can respond // to the updated location LocalBroadcastManager.getInstance(this).sendBroadcast(intent); } } /** * Clears the local device notification */ private void clearNotificationInternal() { Log.v(TAG, ACTION_CLEAR_NOTIFICATION); NotificationManagerCompat.from(this).cancel(Constants.MOBILE_NOTIFICATION_ID); } /** * Clears remote device notifications using the Wearable message API */ private void clearRemoteNotifications() { Log.v(TAG, ACTION_CLEAR_REMOTE_NOTIFICATIONS); GoogleApiClient googleApiClient = new GoogleApiClient.Builder(this).addApi(Wearable.API).build(); // It's OK to use blockingConnect() here as we are running in an // IntentService that executes work on a separate (background) thread. ConnectionResult connectionResult = googleApiClient.blockingConnect(Constants.GOOGLE_API_CLIENT_TIMEOUT_S, TimeUnit.SECONDS); if (connectionResult.isSuccess() && googleApiClient.isConnected()) { // Loop through all nodes and send a clear notification message Iterator<String> itr = Utils.getNodes(googleApiClient).iterator(); while (itr.hasNext()) { Wearable.MessageApi.sendMessage(googleApiClient, itr.next(), Constants.CLEAR_NOTIFICATIONS_PATH, null); } googleApiClient.disconnect(); } } /** * Show the notification. Either the regular notification with wearable features * added to enhance, or trigger the full micro app on the wearable. * * @param cityId The city to trigger the notification for * @param microApp If the micro app should be triggered or just enhanced notifications */ private void showNotification(String cityId, boolean microApp) { List<Attraction> attractions = ATTRACTIONS.get(cityId); if (microApp) { // If micro app we first need to transfer some data over sendDataToWearable(attractions); } // The first (closest) tourist attraction Attraction attraction = attractions.get(0); // Limit attractions to send int count = attractions.size() > Constants.MAX_ATTRACTIONS ? Constants.MAX_ATTRACTIONS : attractions.size(); // Pull down the tourist attraction images from the network and store HashMap<String, Bitmap> bitmaps = new HashMap<>(); try { for (int i = 0; i < count; i++) { bitmaps.put(attractions.get(i).name, Glide.with(this).load(attractions.get(i).imageUrl).asBitmap() .diskCacheStrategy(DiskCacheStrategy.SOURCE) .into(Constants.WEAR_IMAGE_SIZE, Constants.WEAR_IMAGE_SIZE).get()); } } catch (InterruptedException | ExecutionException e) { Log.e(TAG, "Error fetching image from network: " + e); } // The intent to trigger when the notification is tapped PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, DetailActivity.getLaunchIntent(this, attraction.name), PendingIntent.FLAG_UPDATE_CURRENT); // The intent to trigger when the notification is dismissed, in this case // we want to clear remote notifications as well PendingIntent deletePendingIntent = PendingIntent.getService(this, 0, getClearRemoteNotificationsIntent(this), 0); // Construct the main notification NotificationCompat.Builder builder = new NotificationCompat.Builder(this) .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(bitmaps.get(attraction.name)) .setBigContentTitle(attraction.name).setSummaryText(getString(R.string.nearby_attraction))) .setLocalOnly(microApp).setContentTitle(attraction.name) .setContentText(getString(R.string.nearby_attraction)) .setSmallIcon(R.drawable.ic_stat_maps_pin_drop).setContentIntent(pendingIntent) .setDeleteIntent(deletePendingIntent) .setColor(getResources().getColor(R.color.colorPrimary, getTheme())) .setCategory(Notification.CATEGORY_RECOMMENDATION).setAutoCancel(true); if (!microApp) { // If not a micro app, create some wearable pages for // the other nearby tourist attractions. ArrayList<Notification> pages = new ArrayList<Notification>(); for (int i = 1; i < count; i++) { // Calculate the distance from current location to tourist attraction String distance = Utils.formatDistanceBetween(Utils.getLocation(this), attractions.get(i).location); // Construct the notification and add it as a page pages.add(new NotificationCompat.Builder(this).setContentTitle(attractions.get(i).name) .setContentText(distance).setSmallIcon(R.drawable.ic_stat_maps_pin_drop) .extend(new NotificationCompat.WearableExtender() .setBackground(bitmaps.get(attractions.get(i).name))) .build()); } builder.extend(new NotificationCompat.WearableExtender().addPages(pages)); } // Trigger the notification NotificationManagerCompat.from(this).notify(Constants.MOBILE_NOTIFICATION_ID, builder.build()); } /** * Transfer the required data over to the wearable * @param attractions list of attraction data to transfer over */ private void sendDataToWearable(List<Attraction> attractions) { GoogleApiClient googleApiClient = new GoogleApiClient.Builder(this).addApi(Wearable.API).build(); // It's OK to use blockingConnect() here as we are running in an // IntentService that executes work on a separate (background) thread. ConnectionResult connectionResult = googleApiClient.blockingConnect(Constants.GOOGLE_API_CLIENT_TIMEOUT_S, TimeUnit.SECONDS); // Limit attractions to send int count = attractions.size() > Constants.MAX_ATTRACTIONS ? Constants.MAX_ATTRACTIONS : attractions.size(); ArrayList<DataMap> attractionsData = new ArrayList<>(count); for (int i = 0; i < count; i++) { Attraction attraction = attractions.get(i); Bitmap image = null; Bitmap secondaryImage = null; try { // Fetch and resize attraction image bitmap image = Glide.with(this).load(attraction.imageUrl).asBitmap() .diskCacheStrategy(DiskCacheStrategy.SOURCE) .into(Constants.WEAR_IMAGE_SIZE_PARALLAX_WIDTH, Constants.WEAR_IMAGE_SIZE).get(); secondaryImage = Glide.with(this).load(attraction.secondaryImageUrl).asBitmap() .diskCacheStrategy(DiskCacheStrategy.SOURCE) .into(Constants.WEAR_IMAGE_SIZE_PARALLAX_WIDTH, Constants.WEAR_IMAGE_SIZE).get(); } catch (InterruptedException | ExecutionException e) { Log.e(TAG, "Exception loading bitmap from network"); } if (image != null && secondaryImage != null) { DataMap attractionData = new DataMap(); String distance = Utils.formatDistanceBetween(Utils.getLocation(this), attraction.location); attractionData.putString(Constants.EXTRA_TITLE, attraction.name); attractionData.putString(Constants.EXTRA_DESCRIPTION, attraction.description); attractionData.putDouble(Constants.EXTRA_LOCATION_LAT, attraction.location.latitude); attractionData.putDouble(Constants.EXTRA_LOCATION_LNG, attraction.location.longitude); attractionData.putString(Constants.EXTRA_DISTANCE, distance); attractionData.putString(Constants.EXTRA_CITY, attraction.city); attractionData.putAsset(Constants.EXTRA_IMAGE, Utils.createAssetFromBitmap(image)); attractionData.putAsset(Constants.EXTRA_IMAGE_SECONDARY, Utils.createAssetFromBitmap(secondaryImage)); attractionsData.add(attractionData); } } if (connectionResult.isSuccess() && googleApiClient.isConnected() && attractionsData.size() > 0) { PutDataMapRequest dataMap = PutDataMapRequest.create(Constants.ATTRACTION_PATH); dataMap.getDataMap().putDataMapArrayList(Constants.EXTRA_ATTRACTIONS, attractionsData); dataMap.getDataMap().putLong(Constants.EXTRA_TIMESTAMP, new Date().getTime()); PutDataRequest request = dataMap.asPutDataRequest(); request.setUrgent(); // Send the data over DataApi.DataItemResult result = Wearable.DataApi.putDataItem(googleApiClient, request).await(); if (!result.getStatus().isSuccess()) { Log.e(TAG, String.format("Error sending data using DataApi (error code = %d)", result.getStatus().getStatusCode())); } } else { Log.e(TAG, String.format(Constants.GOOGLE_API_CLIENT_ERROR_MSG, connectionResult.getErrorCode())); } googleApiClient.disconnect(); } }