间接扩展活动

Question

为了便于使用，我想用某个类扩展一个Android活动，以赋予它额外的功能，然后使用该类的主要活动

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类未发现异常..

的logcat：

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延长android.app.Activity

Answer 1

不会发生错误解决了这个问题，我添加了一个项目依赖项，但我应该直接添加.jar文件。

与依赖关系无关，超类的代码中有一个未捕获的异常它。