Merge pull request #2504 from pingwang2011/timob-6855

Timob 6855: Android: Function to get the current latitudeDelta and longitudeDelta from a MapView

android/modules/map/src/java/ti/modules/titanium/map/TiMapView.java

@@ -889,6 +889,16 @@ public void changeZoomLevel(int delta)
 		handler.obtainMessage(MSG_CHANGE_ZOOM, delta, 0).sendToTarget();
 	}
 
+	public double getLongitudeDelta()
+	{
+		return scaleFromGoogle(view.getLongitudeSpan());
+	}
+
+	public double getLatitudeDelta()
+	{
+		return scaleFromGoogle(view.getLatitudeSpan());
+	}
+
 	private Drawable makeMarker(int c)
 	{
 		OvalShape s = new OvalShape();

android/modules/map/src/java/ti/modules/titanium/map/ViewProxy.java

@@ -422,6 +422,18 @@ public void setLocation(KrollDict location)
 		}
 	}
 
+	@Kroll.getProperty @Kroll.method
+	public double getLongitudeDelta()
+	{
+		return mapView.getLongitudeDelta();
+	}
+
+	@Kroll.getProperty @Kroll.method
+	public double getLatitudeDelta()
+	{
+		return mapView.getLatitudeDelta();
+	}
+
 	public void onDestroy(Activity activity)
 	{
 		destroyMapActivity();

apidoc/Titanium/Map/View.yml

@@ -368,15 +368,13 @@ properties:
     summary: The amount of north-to-south distance displayed on the map, measured in decimal degrees.
     type: Number
     permission: read-only
-    platforms: [iphone, ipad, mobileweb]
-    since: "1.9.0"
+    since: {android: "2.2.0", iphone: "1.9.0", ipad: "1.9.0", mobileweb: "1.9.0"}
 
   - name: longitudeDelta
     summary: The amount of east-to-west distance displayed on the map, measured in decimal degrees.
     type: Number
     permission: read-only
-    platforms: [iphone, ipad, mobileweb]
-    since: "1.9.0"
+    since: {android: "2.2.0", iphone: "1.9.0", ipad: "1.9.0", mobileweb: "1.9.0"}
 
 ---
 name: MapRegionType