1

我把下面的代碼在我的manifest.xml的Android應用程序崩潰時旋轉

<activity android:name="CPohonApp" android:configChanges="keyboardHidden|orientation"></activity> 

,這是代碼在我的活動

@Override 
public void onConfigurationChanged(Configuration newConfig) { 
    super.onConfigurationChanged(newConfig); 
} 

但是當我還在旋轉的應用程序崩潰。

爲什麼會發生這種情況?

我使用Android 2.3.3 API 10

謝謝

編輯

這是我的日誌貓

09-25 14:36:31.351: E/AndroidRuntime(334): FATAL EXCEPTION: main 
09-25 14:36:31.351: E/AndroidRuntime(334): java.lang.RuntimeException: Unable to start activity ComponentInfo{org.hdte.sawit/org.hdte.sawit.pohon.CPohonApp}: java.lang.NullPointerException 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:2832) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.ActivityThread.access$1600(ActivityThread.java:117) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.os.Handler.dispatchMessage(Handler.java:99) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.os.Looper.loop(Looper.java:123) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.ActivityThread.main(ActivityThread.java:3683) 
09-25 14:36:31.351: E/AndroidRuntime(334): at java.lang.reflect.Method.invokeNative(Native Method) 
09-25 14:36:31.351: E/AndroidRuntime(334): at java.lang.reflect.Method.invoke(Method.java:507) 
09-25 14:36:31.351: E/AndroidRuntime(334): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 
09-25 14:36:31.351: E/AndroidRuntime(334): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 
09-25 14:36:31.351: E/AndroidRuntime(334): at dalvik.system.NativeStart.main(Native Method) 
09-25 14:36:31.351: E/AndroidRuntime(334): Caused by: java.lang.NullPointerException 
09-25 14:36:31.351: E/AndroidRuntime(334): at org.hdte.sawit.pohon.CPohonApp.createDialogSend(CPohonApp.java:277) 
09-25 14:36:31.351: E/AndroidRuntime(334): at org.hdte.sawit.pohon.CPohonApp.onCreateDialog(CPohonApp.java:299) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.Activity.onCreateDialog(Activity.java:2482) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.Activity.createDialog(Activity.java:882) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.Activity.restoreManagedDialogs(Activity.java:871) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.Activity.performRestoreInstanceState(Activity.java:817) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1096) 
09-25 14:36:31.351: E/AndroidRuntime(334): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1625) 
09-25 14:36:31.351: E/AndroidRuntime(334): ... 12 more 
+4

發表您的logcat的錯誤。 – rajeshwaran

+0

@ rajeshwaran.t好的。已經。編輯。 –

+0

作爲logcat建議您的問題ir與createDialogSend(CPohonApp.java:277) – Blackbelt

回答

1

您應點(。),從而導致你的活動名稱。

<activity android:name=".CPohonApp" android:configChanges="keyboardHidden|orientation"></activity> 

或者當您在android清單文件中聲明它時,使用包名稱作爲您的活動名稱。

<activity android:name="yourpackagename.CPohonApp" android:configChanges="keyboardHidden|orientation"></activity> 
+0

解決。 ''。什麼意思Dot(。)?在Android的新手。 –

0

使用在每個活動標記

<activity android:name=".example" android:configChanges="orientation|keyboardHidden"/> 
0

添加以下代碼清單中

android:configChanges="orientation|keyboardHidden|screenSize" 

完整的代碼示例

<activity 
     android:name=".your activity" 
     android:configChanges="orientation|keyboardHidden|screenSize" 
     android:label="@string/app_name" > 
    </activity>