public ActivityBuilder setTouchRadius(float touchRadius) {
      mOptions.touchRadius = touchRadius;
      return this;
    }
The radius of the touchable area around the handle (in pixels).<br>
We are basing this value off of the recommended 48dp Rhythm.<br>
See: http://developer.android.com/design/style/metrics-grids.html#48dp-rhythm<br>
<i>Default: 48dp</i>
core/src/main/java/com/theartofdev/edmodo/cropper/CropImage.java