一。介绍
public abstract void invalidateDrawable (Drawable who)
of itself where the drawable appears).
public abstract void scheduleDrawable (Drawable who, Runnable what, long when)
postAtTime(Runnable, Object, long) with the parameters (what, who, when) to perform the scheduling.
public abstract void unscheduleDrawable (Drawable who, Runnable
what)
An implementation can generally simply call removeCallbacks(Runnable, Object) with the parameters (what, who) to unschedule the drawable.
二。示例
glslidingBar
Drawable.Callback,布布扣,bubuko.com
原文地址:http://www.cnblogs.com/yuyutianxia/p/3769063.html