BottomSheetLib.java 文件源码

private void showClose()
{
       if (stateDismiss == DISMISS_CLOSE) 
    {
        return;
    }
       stateDismiss = DISMISS_CLOSE;

       final AnimatedVectorDrawable downToClose = (AnimatedVectorDrawable)ContextCompat.getDrawable(this, R.animator.avd_down_to_close);

    close.setImageDrawable(downToClose);
       downToClose.start();
   }