Question

我尝试在我的新应用程序中使用StaggeredGridView。一切都很好。现在我想添加一个HeaderView和一个FooterView，但这会给我以下错误：

java.lang.IllegalStateException: The content of the adapter has changed but ExtendableListView 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. [in ExtendableListView(2131165194, class com.tundem.numbersreloaded.view.NumbersGridView) with Adapter(class com.etsy.android.grid.HeaderViewListAdapter)]
            at com.etsy.android.grid.ExtendableListView.layoutChildren(ExtendableListView.java:557)
            at com.etsy.android.grid.StaggeredGridView.layoutChildren(StaggeredGridView.java:358)
            at com.etsy.android.grid.ExtendableListView.onLayout(ExtendableListView.java:513)
            at android.view.View.layout(View.java:14817)
            at android.view.ViewGroup.layout(ViewGroup.java:4631)
            at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)
            at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)
            at android.widget.LinearLayout.onLayout(LinearLayout.java:1434)
            at android.view.View.layout(View.java:14817)
            at android.view.ViewGroup.layout(ViewGroup.java:4631)
            at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
            at android.view.View.layout(View.java:14817)
            at android.view.ViewGroup.layout(ViewGroup.java:4631)
            at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
            at android.view.View.layout(View.java:14817)
            at android.view.ViewGroup.layout(ViewGroup.java:4631)
            at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:374)
            at android.view.View.layout(View.java:14817)
            at android.view.ViewGroup.layout(ViewGroup.java:4631)
            at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
            at android.view.View.layout(View.java:14817)
            at android.view.ViewGroup.layout(ViewGroup.java:4631)
            at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1987)
            at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1744)
            at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000)
            at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
            at android.view.Choreographer.doCallbacks(Choreographer.java:574)
            at android.view.Choreographer.doFrame(Choreographer.java:544)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
            at android.os.Handler.handleCallback(Handler.java:733)
            at android.os.Handler.dispatchMessage(Handler.java:95)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5017)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:515)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
            at dalvik.system.NativeStart.main(Native Method)

我在AsynchTask的onPostExecute方法中设置了Adapter，它在我的Activity的onCreate中有onExecute方法。在启动AsynchTask之前，我还在onCreateMethod中添加了Header和FooterView。

我还尝试从runOnUiThread运行它，并且我还通过Looper.myLooper（）== Looper.getMainLooper（）进行检查，如果我在UI线程中。任何有提示我如何解决这个问题的人。

Answer 1

我已经找到了答案。

这不是我一直有的问题。这是AndroidStaggeredGrid目前的问题。已经有一个合并的Pull-Request有一个修复，但它还没有上传到maven。

我指的是那两个提交：

目前解决方案是自己构建库并将其发布到私有maven仓库，或者将项目包含为库项目！

Answer 2

您是否尝试在AsyncTask的onPostExecute方法中调用adapter.notifiyDataSetChanged（）？

此订单对我有用：

在onCreate方法中添加页眉和页脚视图，然后设置适配器，然后执行异步任务
在AsyncTask的onPostExecute方法中，将所有项添加到适配器（addAll或根据SDK版本添加）并调用adapter.notifyDataSetChanged（）

AddHeaderView和addFooterView之后的StaggeredGridView setAdapter

2 个答案: