Java 间接扩展活动

Java 间接扩展活动,java,android,android-activity,Java,Android,Android Activity,为了便于使用,我想用一个特定的类扩展一个Android活动,赋予它额外的功能,然后用这个类扩展我的主要活动 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

为了便于使用,我想用一个特定的类扩展一个Android活动,赋予它额外的功能,然后用这个类扩展我的主要活动

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?目前在上述表格中,它给了我一个类not found exception

日志:

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扩展android.app.Activity时,错误不会发生。解决了这个问题,我添加了一个项目依赖项,但是我应该直接添加.jar文件


与依赖项无关,超类的代码中出现了一个未捕获的异常,破坏了它。

您能从logcat发布更多错误吗?