You should have four images, namely:
- Enlarge (+) enable / disable
- Decrease (-) enable / disable
Place them in a MapView a ImageView or Button layout with a background image, as shown above.
Then you should assign onClickListeners, for example:
zoomIn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { mapView.getController.zoomIn() checkzoom(); } }); zoomOut.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { mapView.getController.zoomOut() checkzoom(); } }); public void checkzoom() { if(mapView.getZoomLevel()==1)
EDIT: 

Pratik bhat
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