public void setImageRequest(ImageRequest request) {
    AbstractDraweeControllerBuilder controllerBuilder = mControllerBuilder;
    DraweeController controller =
        controllerBuilder.setImageRequest(request).setOldController(getController()).build();
    setController(controller);
  }
Sets the image request

@param request Image Request
drawee/src/main/java/com/facebook/drawee/view/SimpleDraweeView.java