protected void maybeBuildAndSetRetryManager(AbstractDraweeController controller) {
    if (!mTapToRetryEnabled) {
      return;
    }
    controller.getRetryManager().setTapToRetryEnabled(mTapToRetryEnabled);
    maybeBuildAndSetGestureDetector(controller);
  }
Installs a retry manager (if specified) to the given controller.
drawee/src/main/java/com/facebook/drawee/controller/AbstractDraweeControllerBuilder.java