区别：A FragmentActivity is a subclass of Activity that was built for the Android Support Package. The FragmentActivity class adds a couple new methods to ensure compatibility with older versions of

今天看了一篇介绍FragmentActivity的文章，模仿做了一下.。 MainActivity： package com.tao.test;import android.os.Bundle;import android.app.Activity;import android.app.LocalActivityManager;import android.app.TabActivi