Google Maps V2 - Android - Get the current zoom level

How do I get the current zoom level as an integer on a GoogleMap. I need to take this code from GMaps v1.1:

MapView mGoogleMapView;


int zoomLevel = mGoogleMapView.getZoomLevel();

I am aware of the methods getMinZoomLevel() and getMaxZoomLevel() however I can't find anything in the Android GMap V2 documentation that will give the current zoom level. Does anyone have any pointers on how to do this?

Any help would be appreciated.

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最佳答案 
GoogleMap map;

....

float zoom = map.getCameraPosition().zoom;
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I think OnCameraChangeListener will do the trick.. 

map.setOnCameraChangeListener(new OnCameraChangeListener() {


private float currentZoom = -1;


@Override
public void onCameraChange(CameraPosition position) {
if (position.zoom != currentZoom){
currentZoom = position.zoom;  // here you get zoom level
}
}
});

Update:

From Google Play service 9.4.0 OnCameraChangeListener has been deprecated and it will no longer work soon.Alternately they are replaced by OnCameraMoveStarted‌​Listener,OnCameraMoveListener,OnCameraMoveCancel‌​edListener and OnCameraIdleListener.

Hence we can use OnCameraIdleListener here to get camera's current zoom level.

Code Sample:

map.setOnCameraIdleListener(new GoogleMap.OnCameraIdleListener() {
@Override
public void onCameraIdle() {
int zoomLevel = map.getCameraPosition().zoom;
//use zoomLevel value..
}
});

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