我收到的例外,同时具有导航向前和向后从FragmentActivity操作,含有来自定义加载程序(它是从本地SQLite数据库加载),不知道如何处理它加载数据的ListView ...如何在执行swapCursor()时处理ConcurrentModificationException?
这里是一个堆栈跟踪:
Uncaught exception: Unable to destroy activity {com.snyer.bestprice/com.snyer.bestprice.PriceTracerActivity}: java.lang.RuntimeException: Unable to destroy activity {com.snyer.bestprice/com.snyer.bestprice.CartFragmentActivity}: java.util.ConcurrentModificationException
java.lang.RuntimeException: Unable to destroy activity {com.snyer.bestprice/com.snyer.bestprice.PriceTracerActivity}: java.lang.RuntimeException: Unable to destroy activity {com.snyer.bestprice/com.snyer.bestprice.CartFragmentActivity}: java.util.ConcurrentModificationException
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3106)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3171)
at android.app.ActivityThread.access$2100(ActivityThread.java:132)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1071)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:150)
at android.app.ActivityThread.main(ActivityThread.java:4293)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:849)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:607)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.RuntimeException: Unable to destroy activity {com.snyer.bestprice/com.snyer.bestprice.CartFragmentActivity}: java.util.ConcurrentModificationException
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3106)
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:2994)
at android.app.LocalActivityManager.dispatchDestroy(LocalActivityManager.java:625)
at android.app.ActivityGroup.onDestroy(ActivityGroup.java:85)
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3088)
... 11 more
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList$ArrayListIterator.next(ArrayList.java:576)
at android.database.DataSetObservable.notifyInvalidated(DataSetObservable.java:42)
at android.widget.BaseAdapter.notifyDataSetInvalidated(BaseAdapter.java:54)
at android.support.v4.widget.CursorAdapter.swapCursor(CursorAdapter.java:352)
at com.snyer.bestprice.CartFragmentActivity.onLoaderReset(CartFragmentActivity.java:412)
at android.support.v4.app.LoaderManagerImpl$LoaderInfo.destroy(LoaderManager.java:337)
at android.support.v4.app.LoaderManagerImpl.doDestroy(LoaderManager.java:773)
at android.support.v4.app.FragmentActivity.onDestroy(FragmentActivity.java:318)
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3088)
... 15 more
例外occures在这个代码片段(CartFragmentActivity.java:412)的mCartCursorAdapter.swapCursor(null);
行:
public void onLoaderReset(Loader<Cursor> loader) {
switch (loader.getId()) {
case LOADER_CART_LIST_ID:
mCartListCursorAdapter.swapCursor(null);
break;
case LOADER_CART_CONTENTS_ID:
mCartCursorAdapter.swapCursor(null);
break;
}
}
什么可以做在这里删除这个异常?
您是否找到工作解决方案或原因?我得到了完全相同的问题。你读过:http://stackoverflow.com/questions/8189466/java-util-concurrentmodificationexception? – phlebas
@phlebas在最近的将来,我已经离开了这个问题一段时间了......正在忙于项目中的其他一些错误/行为,但这是我肯定会回来的问题。 – Prizoff
从我可以告诉这只发生在运行2.3.x的设备上。你能证实这一观察吗? – phlebas