ListFragment에 drag-sort-listview (https://github.com/bauerca/drag-sort-listview)를 사용하고 있습니다.ListView의 OnItemLongClickListener에서 drag-sort-listview를 활성화 할 때 NullPointerException이 발생했습니다.
생성시 끌어서 놓기를 사용 가능하게하면 모든 것이 작동합니다. 그러나 목록보기에서 항목 중 하나를 longclick 때까지 사용하지 않도록 설정하고 싶습니다.
그래서 3 곳에서
mDslv.setDragEnabled(false);
을 설정하려는 : onCreateView(), DragSortListView.DropListener 및 DragSortListView.RemoveListener
을 내 ListFragment, 나는이 :
listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener(){
@Override
public boolean onItemLongClick(AdapterView<?> av, View v, int pos, long id) {
mDslv.setDragEnabled(true);
return true;
}
});
내 희망은 모든 항목을 길게 클릭하면 DSLV가 켜지고 해당 항목이 떨어지거나 제거되도록 허용 한 후 DSLV가 다시 사용 중지됩니다. (동안이되지 않음) (TRUE)을 setDrageEnabled를 호출, 내가 NullPointerException이 얻을 후
그러나 :
09-03 00:03:33.749: E/AndroidRuntime(9703): FATAL EXCEPTION: main
09-03 00:03:33.749: E/AndroidRuntime(9703): java.lang.NullPointerException
09-03 00:03:33.749: E/AndroidRuntime(9703): at com.mobeta.android.dslv.DragSortController.onScroll(DragSortController.java:381)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.GestureDetector.onTouchEvent(GestureDetector.java:541)
09-03 00:03:33.749: E/AndroidRuntime(9703): at com.mobeta.android.dslv.DragSortController.onTouch(DragSortController.java:243)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.View.dispatchTouchEvent(View.java:3881)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
09-03 00:03:33.749: E/AndroidRuntime(9703): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1703)
09-03 00:03:33.749: E/AndroidRuntime(9703): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1133)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.app.Activity.dispatchTouchEvent(Activity.java:2096)
09-03 00:03:33.749: E/AndroidRuntime(9703): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1687)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewRoot.deliverPointerEvent(ViewRoot.java:2196)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.view.ViewRoot.handleMessage(ViewRoot.java:1880)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.os.Handler.dispatchMessage(Handler.java:99)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.os.Looper.loop(Looper.java:130)
09-03 00:03:33.749: E/AndroidRuntime(9703): at android.app.ActivityThread.main(ActivityThread.java:3729)
09-03 00:03:33.749: E/AndroidRuntime(9703): at java.lang.reflect.Method.invokeNative(Native Method)
09-03 00:03:33.749: E/AndroidRuntime(9703): at java.lang.reflect.Method.invoke(Method.java:507)
09-03 00:03:33.749: E/AndroidRuntime(9703): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:876)
09-03 00:03:33.749: E/AndroidRuntime(9703): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:634)
09-03 00:03:33.749: E/AndroidRuntime(9703): at dalvik.system.NativeStart.main(Native Method)
사람이 시도 했습니까? 어떤 아이디어? 모션 이벤트 중 하나가 NULL 인 것처럼 보입니다. 아마도 터치 이벤트 중 DSLV를 활성화하기 때문입니다.