Handler的官方注释如下: A Handler allows you to send and process <a href="file:///F:/android%E5%AD%A6%E4%B9%A0/docs-3.0_r01-linux/docs/reference/android/os/Message.html">Message</a> and Runnable objects associated with a thread’s <a href="file:///F:/android%E5%AD%A6%E4%B9%A0/docs-3.0_r01-linux/docs/reference/android/os/MessageQueue.html">MessageQueue</a>. Each……
这个ViewHolder到底是什么呢?我们可以在官方sample看到这段代码 http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/view/List14.html static class ViewHolder……