無法按下Back按鈕摧毀Android活動按下

03-26 16:16:38.623: E/AndroidRuntime(5079): FATAL EXCEPTION: main 
03-26 16:16:38.623: E/AndroidRuntime(5079): java.lang.RuntimeException: Unable to destroy activity {com.crack.Emobi/com.crack.Emobi.Main}: java.lang.NullPointerException 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3081) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3146) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at android.app.ActivityThread.access$2100(ActivityThread.java:132) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1071) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at android.os.Handler.dispatchMessage(Handler.java:99) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at android.os.Looper.loop(Looper.java:150) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at android.app.ActivityThread.main(ActivityThread.java:4263) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at java.lang.reflect.Method.invokeNative(Native Method) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at java.lang.reflect.Method.invoke(Method.java:507) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at dalvik.system.NativeStart.main(Native Method) 
03-26 16:16:38.623: E/AndroidRuntime(5079): Caused by: java.lang.NullPointerException 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at com.crack.Emobi.Main.onDestroy(Main.java:106) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3063) 
03-26 16:16:38.623: E/AndroidRuntime(5079):  ... 11 more

當我退出（通過後退按鈕）從我的活動，那時它會給出上述錯誤。任何幫助將感激我。無法按下Back按鈕摧毀Android活動按下

來源

2012-03-26 user948679

好像你正在處理的OnDestroy在你的活性，並且具有單個活動的應用程序?????????? – vipin 2012-03-26 11:12:23

在這裏發佈你的代碼，所以我們可以調試它。 – 2012-03-26 11:13:09

你有一個NullPointerException在onDestroy()方法：

03-26 16:16:38.623: E/AndroidRuntime(5079): Caused by: java.lang.NullPointerException 
03-26 16:16:38.623: E/AndroidRuntime(5079): at com.crack.Emobi.Main.onDestroy(Main.java:106)

來源

2012-03-26 11:20:19 CommonsWare

無法按下Back按鈕摧毀Android活動按下

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