onFling will get executed when a user makes a "fling" motion, and said motion has a velocity with it to determine the type of fling it was. However,... Read More
1.IPC解决方案 而非 序列化机制 Container for a message (data and object references) that can be sent through an IBinder. A Parcel can contain both flatteneddata ... Read More
Contains methods to standard constants used in the UI for timeouts, sizes, and distances.一。几个常用的方法返回初始化滑动的最大速度值和最小速度值，以像素/秒为单位getScaledMinimumFlingVel... Read More
TouchDelegate(Rect bounds, View delegateView)Parameters:bounds Bounds in local coordinates of the containing view that should be mapped to the delegat... Read More
There is no real difference, except that theView.postis helpful when you don't have a direct access to the activity. public boolean post(Runnable a... Read More
A MeasureSpec encapsulates the layout requirements passed from parent to child. Each MeasureSpec represents a requirementfor either the width or the h... Read More
He is worth no weal that can bide no woe.禁不起吃苦的人不配得到幸福有句谚语叫No weal without woe 福兮祸所伏 ; 祸兮福所倚weal和woe是一对反义词 很像no pain no gain1.be worth sth..=deserve s... Read More
public voidoverridePendingTransition(int enterAnim, int exitAnim) Call immediately after one of the flavors ofstartActivity(Intent)orfinish()to speci... Read More
当用户触摸屏幕的时候，会产生许多手势，例如down,up,scroll，filing等等，我们知道View类有个View.OnTouchListener接口，通过重写他的onTouch(Viewv,MotionEventevent)方法，我们可以处理一些touch事件，但是这个方法太过简单，如果... Read More
/** * Schedule a countdown until a time in the future, with regular notifications on intervals along the way. * * Example of showing a 30 second count... Read More