implement LocationManager and orientation sensor using libportal

src/api-impl/android/location/Criteria.java

@@ -12,4 +12,12 @@ public class Criteria {
 	public static final int ACCURACY_HIGH = 3;
 
 	public void setAccuracy(int accuracy) {}
+
+	public void setAltitudeRequired(boolean required) {}
+
+	public void setBearingRequired(boolean required) {}
+
+	public void setCostAllowed(boolean allowed) {}
+
+	public void setPowerRequirement(int powerRequirement) {}
 }

src/api-impl/android/location/Location.java

@@ -0,0 +1,27 @@
+package android.location;
+
+public class Location {
+
+	private double latitude;
+	private double longitude;
+	private double bearing;
+
+	public Location (double latitude, double longitude, double bearing) {
+		this.latitude = latitude;
+		this.longitude = longitude;
+		this.bearing = bearing;
+	}
+
+	public double getLatitude() {
+		return latitude;
+	}
+
+	public double getLongitude() {
+		return longitude;
+	}
+
+	public double getBearing() {
+		return bearing;
+	}
+	
+}

src/api-impl/android/location/LocationListener.java

@@ -1,4 +1,7 @@
 package android.location;
 
 public interface LocationListener {
+
+    public void onLocationChanged(Location location);
+
 }

src/api-impl/android/location/LocationManager.java

@@ -0,0 +1,31 @@
+package android.location;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class LocationManager {
+
+	static Set<LocationListener> listeners = new HashSet<>();
+
+	public String getBestProvider(Criteria criteria, boolean enabledOnly) {
+		return "xdgportal";
+	}
+
+	public Location getLastKnownLocation(String provider) {
+		return null;
+	}
+
+	public void requestLocationUpdates (String provider, long minTimeMs, float minDistanceM, LocationListener listener) {
+		listeners.add(listener);
+		nativeGetLocation();
+	}
+
+	private native void nativeGetLocation();
+
+	private static void locationUpdated(double latitude, double longitude, double heading) {
+		for (LocationListener locationListener : listeners) {
+			locationListener.onLocationChanged(new Location(latitude, longitude, heading));
+		}
+	}
+	
+}