Android中实现Runnable接口简单例子

     */
    @Override
    public void run() {
        // Moves the current Thread into the background
        android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);
        ...
        /*
         * Stores the current Thread in the PhotoTask instance,
         * so that the instance
         * can interrupt the Thread.
         */
        mPhotoTask.setImageDecodeThread(Thread.currentThread());
        ...
    }
...
}