我需要幫助,我AsyncTask
我打電話給我的MainActivity
和更新適配器,但logcat中給出onPostExecture
我在這個cheked名單NullPointerException
,它不爲空,有一定的價值的Android的AsyncTask更新列表
的AsyncTask。 java的
protected void onPostExecute(List<MoviesCategory> result){
super.onPostExecute(result);
//Here i have Error, i cheked result it's not null.
//On AsyncTask i have Constructor when i get Activity.
activity.mMoviesAdapter.addCategory(result);
}
Adapter.java
List<MoviesCategory> mListMovies;
public void addCategory(List<MoviesCategory> list){
mListMovies.addAll(list);
notifyDataSetChanged();
}
我在做什麼錯,
更新
更新
FATAL EXCEPTION: main
java.lang.NullPointerException
at uz.afishamedia.Adapter.MoviesAdapter.addCategory(MoviesAdapter.java:49)
at uz.afishamedia.Utils.LoadMovies.onPostExecute(LoadMovies.java:74)
at uz.afishamedia.Utils.LoadMovies.onPostExecute(LoadMovies.java:1)
at android.os.AsyncTask.finish(AsyncTask.java:631)
at android.os.AsyncTask.access$600(AsyncTask.java:177)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:644)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5191)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
at dalvik.system.NativeStart.main(Native Method)
你能後整個堆棧跟蹤?如在哪裏,實際的'NullPointerException'發生在哪裏?在'onPostExecute()'或者'addCategory()'中? –
這裏是一個[堆棧跟蹤](http://bit.ly/IumUod) –
你也是俄羅斯人,如果你可以在俄羅斯回答問題請做:) –