title: how to calculate zoom level in here android SDK
body: <p>I have a request that want to know the zoom level that can just bring a position(GeoCoordinate) into current map view rect with a specific transform center. </p>
  
  <p>Is there a method to calculate this zoom level in one time? but not use looply a small  zoom step to try setZoom and later check if this point is still in the view rect throgh ProjectToPixel function.</p>