AnimationDrawable
An object used to create frame-by-frame animations, defined by a series of Drawable objects, which can be used as a View object's background.
一个常常创建被一系列Drawable对象定义的帧动画对象， 它能被用来作为一个视图对象的背景。
CookieSyncManager
The CookieSyncManager is used to synchronize the browser cookie store between RAM and permanent storage.
CookieSyncManager常常同步浏览器储存在随机存储器和永久存储器之间的cookie。
FutureTask<V>
A cancellable asynchronous computation.
一个可删除的异步计算。
HandlerThread
Handy class for starting a new thread that has a looper.
开始一个有looper的新线程的便利类。
RefQueueWorker
A worker thread for processing queued references.
一个处理队列引用的worker线程。
RenderScript.RSErrorHandler
Runtime error base class.
运行时错误基类。
RenderScript.RSMessageHandler
Base class application should derive from for handling RS messages coming from their scripts.
RunnableFuture<V>
A Future that is Runnable.
RunnableScheduledFuture<V>
A ScheduledFuture that is Runnable.
Thread
A Thread is a concurrent unit of execution.
线程是一个同时执行单元。
TimerTask
The TimerTask class represents a task to run at a specified time.
TimerTask类代表一个运行在指定时间的任务。