Added onOpen/onClose to LocationBackendService and third sample

api/src/org/microg/nlp/api/LocationBackendService.java

@@ -13,7 +13,7 @@ public abstract class LocationBackendService extends Service {
 	private Location waiting;
 
 	/**
-	 * This method is called, whenever an app requires a location update. This can be a single or a repeated request.
+	 * Called, whenever an app requires a location update. This can be a single or a repeated request.
 	 * <p/>
 	 * You may return null if your backend has no newer location available then the last one.
 	 * Do not send the same {@link android.location.Location} twice, if it's not based on updated/refreshed data.
@@ -22,7 +22,9 @@ public abstract class LocationBackendService extends Service {
 	 *
 	 * @return a new {@link android.location.Location} instance or null if not available.
 	 */
-	protected abstract Location update();
+	protected Location update() {
+		return null;
+	}
 
 	/**
 	 * Directly report a {@link android.location.Location} to the requesting apps. Use this if your updates are based
@@ -47,6 +49,20 @@ public abstract class LocationBackendService extends Service {
 		return backend;
 	}
 
+	/**
+	 * Called after a connection was setup
+	 */
+	protected void onOpen() {
+
+	}
+
+	/**
+	 * Called before connection closure
+	 */
+	protected void onClose() {
+
+	}
+
 
 	private class Backend extends LocationBackend.Stub {
 		@Override
@@ -56,6 +72,7 @@ public abstract class LocationBackendService extends Service {
 				callback.report(waiting);
 				waiting = null;
 			}
+			onOpen();
 		}
 
 		@Override
@@ -65,6 +82,7 @@ public abstract class LocationBackendService extends Service {
 
 		@Override
 		public void close() throws RemoteException {
+			onClose();
 			callback = null;
 		}
 	}

sample/AndroidManifest.xml

@@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="org.microg.nlp.api.sample"
+<manifest
+	package="org.microg.nlp.api.sample"
 	xmlns:android="http://schemas.android.com/apk/res/android">
 
 	<uses-sdk android:minSdkVersion="19" />
 	<application
 		android:icon="@drawable/icon"
 		android:label="@string/app_name">
+
 		<service
 			android:name=".SampleBackendService"
 			android:exported="true"
@@ -14,6 +16,7 @@
 				<action android:name="org.microg.nlp.LOCATION_BACKEND" />
 			</intent-filter>
 		</service>
+
 		<service
 			android:name=".SecondSampleService"
 			android:exported="true"
@@ -30,5 +33,14 @@
 			android:name=".SecondSettings"
 			android:exported="true"
 			android:label="Second Settings Activity" />
+
+		<service
+			android:name=".ThirdSampleService"
+			android:exported="true"
+			android:label="NLPV2-Random">
+			<intent-filter>
+				<action android:name="org.microg.nlp.LOCATION_BACKEND" />
+			</intent-filter>
+		</service>
 	</application>
 </manifest>

sample/src/org/microg/nlp/api/sample/ThirdSampleService.java

@@ -0,0 +1,47 @@
+package org.microg.nlp.api.sample;
+
+import android.location.Location;
+import android.util.Log;
+import org.microg.nlp.api.LocationBackendService;
+
+import java.util.Random;
+
+public class ThirdSampleService extends LocationBackendService {
+	private static final String TAG = ThirdSampleService.class.getName();
+
+	private Thread regular;
+	private Random random = new Random();
+
+	@Override
+	protected void onOpen() {
+		super.onOpen();
+		regular = new Thread(new Runnable() {
+			@Override
+			public void run() {
+				synchronized (regular) {
+					while (!regular.isInterrupted()) {
+						try {
+							regular.wait(60000);
+						} catch (InterruptedException e) {
+							return;
+						}
+						Location location = new Location("random");
+						location.setLatitude(random.nextDouble() * 90);
+						location.setLongitude(random.nextDouble() * 90);
+						location.setAccuracy(random.nextFloat() * 90);
+						Log.d(TAG, "Just reported: " + location);
+						report(location);
+					}
+				}
+			}
+		});
+		regular.start();
+	}
+
+	@Override
+	protected void onClose() {
+		if (regular != null && regular.isAlive()) {
+			regular.interrupt();
+		}
+	}
+}