public boolean isSupportZoom()     {         boolean isSuppport = true;         if (mCamera.getParameters().isSmoothZoomSupported())         {             isSuppport = false;         }         return isSuppport;     }

public void setZoom()     {         if (mIsSupportZoom)         {             try             {                 Parameters params = mCamera.getParameters();                 final int MAX = params.getMaxZoom(); 　　　　　　　　　  if(MAX==0)return;                 int zoomValue = params.getZoom();                 Trace.Log("-----------------MAX:"+MAX+"   params : "+zoomValue);                 zoomValue += 5;                 params.setZoom(zoomValue);                 mCamera.setParameters(params);                 Trace.Log("Is support Zoom " + params.isZoomSupported());             }             catch (Exception e)             {                 Trace.Log("--------exception zoom");                 e.printStackTrace();             }         }         else         {             Trace.Log("--------the phone not support zoom");         }     }