Activity的使用

<activity android:theme="myTheme" android:name=".TestActivity"/>

<!-- 或 -->
<activity android:theme="myTheme" android:name=".TestActivity">
    <intent-filter>
        <action android:name="action.xxx.xxx" />
    </intent-filter>
</activity>

Intent intent = new Intent(TestActivity.class);
// intent.setPackage("org.xplugin.demo.main"); // 指定类具体打开的类时, 插件的包名可省略.
startActivity(intent);

Intent intent = new Intent("action.xxx.xxx");
intent.setPackage("org.xplugin.demo.main");
startActivity(intent);