// java.lang.IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the UI thread. Make sure your adapter calls notifyDataSetChanged() when its content changes. [in ListView(2131427456, class android.widget.ListView) with Adapter(class com.nkanaev.comics.fragment.BrowserFragment$DirectoryAdapter)]
// at android.widget.ListView.layoutChildren(ListView.java:1573)
// at android.widget.ListView.commonKey(ListView.java:2178)
// at android.widget.ListView.onKeyDown(ListView.java:2159)
// at android.view.KeyEvent.dispatch(KeyEvent.java:2640)
// at android.view.View.dispatchKeyEvent(View.java:9240)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1635)
// at android.widget.ListView.dispatchKeyEvent(ListView.java:2144)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1640)
// at com.android.internal.policy.PhoneWindow$DecorView.superDispatchKeyEvent(PhoneWindow.java:2395)
// at com.android.internal.policy.PhoneWindow.superDispatchKeyEvent(PhoneWindow.java:1727)
// at android.app.Activity.dispatchKeyEvent(Activity.java:2731)
// at android.support.v7.internal.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:49)
// at android.support.v7.app.AppCompatDelegateImplBase$AppCompatWindowCallbackBase.dispatchKeyEvent(AppCompatDelegateImplBase.java:265)
// at android.support.v7.internal.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:49)
// at com.android.internal.policy.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:2310)
// at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:4127)
// at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:4089)
// at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3642)
// at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3695)
// at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3661)
// at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3787)
// at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3669)
// at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3844)
// at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3642)
// at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3695)
// at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3661)
// at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3669)
// at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3642)
// at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3695)
// at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3661)
// at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3820)
// at android.view.ViewRootImpl$ImeInputStage.onFinishedInputEvent(ViewRootImpl.java:3981)
// at android.view.inputmethod.InputMethodManager$PendingEvent.run(InputMethodManager.java:2253)
// at android.view.inputmethod.InputMethodManager.invokeFinishedInputEventCallback(InputMethodManager.java:1874)
// at android.view.inputmethod.InputMethodManager.finishedInputEvent(InputMethodManager.java:1865)
// at android.view.inputmethod.InputMethodManager$ImeInputEventSender.onInputEventFinished(InputMethodManager.java:2230)
// at android.view.InputEventSender.dispatchInputEventFinished(InputEventSender.java:141)
// at android.os.MessageQueue.nativePollOnce(Native Method)
// at android.os.MessageQueue.next(MessageQueue.java:323)
// at android.os.Looper.loop(Looper.java:135)
// at android.app.ActivityThread.main(ActivityThread.java:5417)
// at java.lang.reflect.Method.invoke(Native Method)
// at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
// at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)