case MotionEvent.ACTION_MOVE:
float y = motionEvent.getY();
if(y>=mTouchMoveStartY){
float moveSize = y-mTouchMoveStartY;
float progress = moveSize>=TOUCH_MOVE_MAX_Y?1:moveSize/TOUCH_MOVE_MAX_Y;
mTouchPullView.setProgress(progress);
}
mTouchPullView.release();
return true;
放在MotionEvent.ACTION_UP中