可能出现的bug

[Wadeqing]

seatView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@OverRide
public void onGlobalLayout() {
seatView.setSeatData(seatList);
seatView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
});
seatView.getWidth();有可能为0，导致不绘制