public static int getHeightOfScanningRectangleInPxOrZero(Intent intent) {
    if (intent == null) return 0;
    return intent.getIntExtra(Intents.Scan.HEIGHT, 0);
  }
public static int getHeightOfScanningRectangleInPxOrZero ( Intent intent ) { if ( intent == null ) return 0 ; return intent . getIntExtra ( Intents . Scan . HEIGHT , 0 ) ; }
Get the height of the scanning rectangle in pixels from {@code Intent}.
@param intent Target intent. It can be {@code null}.
@return Height of scanning rectangle in pixels if specified, or zero otherwise.