Android SearchView:可筛选列表视图运行时错误

我在使用可筛选列表视图时偶尔会遇到一个问题。在筛选食谱列表视图时，从搜索视图中删除文本时，我偶尔会遇到运行时错误。当使用软键盘快速删除文本时，往往会发生这种情况。

90%的情况下，这个实现完全按照我的预期工作，但当快速删除字符时，我会出现以下错误。

04-07 11:38:55.221    9591-9591/brd.cms.sup E/dalvikvm﹕ >>>>> Normal User
04-07 11:38:55.221    9591-9591/brd.cms.sup E/dalvikvm﹕ >>>>> brd.cms.sup [ userId:0 | appId:10359 ]
04-07 11:38:59.295    9591-9591/brd.cms.sup E/OpenGLRenderer﹕ GL_INVALID_OPERATION
04-07 11:40:58.018    9591-9591/brd.cms.sup E/AndroidRuntime﹕ FATAL EXCEPTION: main
    Process: brd.cms.sup , PID: 9591
    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(2131493035, class android.widget.ListView) with Adapter(class brd.cms.sup.RecipeAdapter)]
            at android.widget.ListView.layoutChildren(ListView.java:1566)
            at android.widget.AbsListView.onLayout(AbsListView.java:2598)
            at android.view.View.layout(View.java:15860)
            at android.view.ViewGroup.layout(ViewGroup.java:4902)
            at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1677)
            at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1531)
            at android.widget.LinearLayout.onLayout(LinearLayout.java:1440)
            at android.view.View.layout(View.java:15860)
            at android.view.ViewGroup.layout(ViewGroup.java:4902)
            at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:890)
            at android.view.View.layout(View.java:15860)
            at android.view.ViewGroup.layout(ViewGroup.java:4902)
            at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
            at android.view.View.layout(View.java:15860)
            at android.view.ViewGroup.layout(ViewGroup.java:4902)
            at android.support.v7.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:502)
            at android.view.View.layout(View.java:15860)
            at android.view.ViewGroup.layout(ViewGroup.java:4902)
            at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
            at android.view.View.layout(View.java:15860)
            at android.view.ViewGroup.layout(ViewGroup.java:4902)
            at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1677)
            at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1531)
            at android.widget.LinearLayout.onLayout(LinearLayout.java:1440)
            at android.view.View.layout(View.java:15860)
            at android.view.ViewGroup.layout(ViewGroup.java:4902)
            at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
            at android.view.View.layout(View.java:15860)
            at android.view.ViewGroup.layout(ViewGroup.java:4902)
            at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2379)
            at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2092)
            at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1267)
            at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6640)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:813)
            at android.view.Choreographer.doCallbacks(Choreographer.java:613)
            at android.view.Choreographer.doFrame(Choreographer.java:583)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:799)
            at android.os.Handler.handleCallback(Handler.java:733)
            at android.os.Handler.dispatchMessage(Handler.java:95)
            at android.os.Looper.loop(Looper.java:146)
            at android.app.ActivityThread.main(ActivityThread.java:5635)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:515)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107)
            at dalvik.system.NativeStart.main(Native Method)

下面是我的SearchView.OnQueryTextListener实现。

@Override
public boolean onQueryTextChange(String newText) {
    if (recipeAdapter != null) {
        try {
            recipeAdapter.getFilter().filter(newText);
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
    return false;
}

这是RecipeAdapter中的私人RecipeFilter。

private class RecipeFilter extends Filter{
    List<Recipe> filteredList = new ArrayList<>();

    @Override
    protected FilterResults performFiltering(CharSequence constraint){
            constraint = constraint.toString().toLowerCase();
            FilterResults result = new FilterResults();
            filteredList.clear();
            if (constraint != null && constraint.toString().length() > 0) {
                for (Recipe r : backupList) {
                    if (r.contains(constraint)) {
                        filteredList.add(r);
                    }
                }
            } else {
                filteredList.addAll(backupList);
            }
            result.count = filteredList.size();
            result.values = filteredList;
            return result;
        }

    @Override
    protected void publishResults(CharSequence constraint, FilterResults results) {
        recipeList = (List) results.values;
        if (results != null) {
            notifyDataSetChanged();
        }
        else{
            notifyDataSetInvalidated();
        }
    }
}

任何想法都将不胜感激！