protected void onCameraChange(CameraPosition cameraPosition, ViewPortChangeListener listener) { // If custom tile overlay is enabled, use rounded zoom to avoid // tiles blurring if (customTileOverlay != null) { int roundZoom = Math.round(cameraPosition.zoom); if (Math.abs(cameraPosition.zoom - roundZoom) > 0.01) { CameraUpdate cameraUpdate = CameraUpdateFactory.zoomTo(roundZoom); googleMap.animateCamera(cameraUpdate); return; } } GeoRect viewPort = getViewPortGeoRect(); listener.onViewPortChanged(viewPort); }