间接延长活动

Question

为了方便使用的欲与某个类延伸一个Android活动给它额外的功能，然后用这个类致以主要活动e.g。

class SuperActivity extends Activity {
    //Very nice extra functions
}

//Class defined in the manifest.xml
class ApplicationActivity extends SuperActivity {
    //Start the application
}

有没有办法做到这一点？目前在上述形式的给我一个未找到类异常..

logcat的：

10-08 12:23:28.316: ERROR/AndroidRuntime(678): Uncaught handler: thread main exiting due to uncaught exception
10-08 12:23:28.336: ERROR/AndroidRuntime(678): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{ntx.app/ntx.app.AppActivity}: java.lang.ClassNotFoundException: ntx.app.AppActivity in loader dalvik.system.PathClassLoader@437601e8
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2324)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.app.ActivityThread.access$2100(ActivityThread.java:116)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.os.Looper.loop(Looper.java:123)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.app.ActivityThread.main(ActivityThread.java:4203)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at java.lang.reflect.Method.invokeNative(Native Method)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at java.lang.reflect.Method.invoke(Method.java:521)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at dalvik.system.NativeStart.main(Native Method)
10-08 12:23:28.336: ERROR/AndroidRuntime(678): Caused by: java.lang.ClassNotFoundException: ntx.app.AppActivity in loader dalvik.system.PathClassLoader@437601e8
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.app.Instrumentation.newActivity(Instrumentation.java:1097)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2316)
10-08 12:23:28.336: ERROR/AndroidRuntime(678):     ... 11 more

当我让AppActivity延伸android.app.Activity不会发生该错误

Answer 1

<击>问题解决了，我添加了一个项目的依赖，而是我应该直接添加.jar文件..

无关具有依赖性的，有在这打破了它的超类的代码未捕获的异常。