RecyclerView Bug:IndexOutOfBoundsException: Inconsistency detected. Invalid view holder adapter的解决方案
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转自:RecyclerView Bug:IndexOutOfBoundsException: Inconsistency detected. Invalid view holder adapter的解决方案
RecyclerView是Android-support-v7-21版本中新增的一个Widget,RecyclerView在刷新数据的时候会出现以下异常:
- java.lang.IndexOutOfBoundsException: Inconsistency detected. Invalid view holder adapter positionViewHolder{431a7450 position=1 id=-1, oldPos=-1, pLpos:-1 scrap [attachedScrap] tmpDetached no parent}
- at android.support.v7.widget.RecyclerView$Recycler.validateViewHolderForOffsetPosition(RecyclerView.java:4251)
- at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4382)
- at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4363)
- at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:1961)
- at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1370)
- at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1333)
- at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:562)
- at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2900)
- at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3071)
- at android.view.View.layout(View.java:14828)
- at android.view.ViewGroup.layout(ViewGroup.java:4631)
- at android.support.v4.widget.SwipeRefreshLayout.onLayout(SwipeRefreshLayout.java:584)
- at android.view.View.layout(View.java:14828)
- 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:14828)
- 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:14828)
- 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:14828)
- at android.view.ViewGroup.layout(ViewGroup.java:4631)
- at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1055)
- at android.view.View.layout(View.java:14828)
- 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:14828)
- 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:14828)
- 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:14828)
- 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:14828)
- 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:14828)
- 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:14828)
- at android.view.ViewGroup.layout(ViewGroup.java:4631)
- at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2074)
- at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1831)
- at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1087)
- at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5696)
- at android.view.Choreographer$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$FrameDisplayEventReceiver.run(Choreographer.java:747)
- at android.os.Handler.handleCallback(Handler.java:733)
- at android.os.Handler.dispatchMessage(Handler.java:95)
- at android.os.Looper.loop(Looper.java:136)
- at android.app.ActivityThread.main(ActivityThread.java:5016)
- at java.lang.reflect.Method.invokeNative(Native Method)
- at java.lang.reflect.Method.invoke(Method.java:515)
- at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:792)
- at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:608)
- at dalvik.system.NativeStart.main(Native Method)
大家看这个代码,只是并没有报到我们自己的代码里面来,在底层就崩溃了,在app层面并没有,弹出一个框,说应用程序已奔溃,而是直接就没了,用户感觉很奇怪。这种异常并不是很容易出现,而是偶尔出现,我的也是在后台奔溃日志中,发现了这种异常,我们自己都不知道什么地方报错的,搜索百度,发现有个链接的权重比较高,看的人也比较多:
http://drakeet.me/recyclerview-bug-indexoutofboundsexception-inconsistency-detected-invalid-item-position-solution?utm_source=tuicool&utm_medium=referral
但是,这篇文章写得比较模糊,解决方案也只是给出一个代码片段,我都不知道怎么加进去,之后我用google去搜索,发现这个问题很普遍,很多都是偶尔出现,很难去重现他,终于在stackoverflow上找到了一个解决方法,链接如下:
其实也不是什么解决方法,只是把这个异常捕获了,不让他奔溃了,这个问题的终极解决方案还是得让google去修复。
1、创建一个类LinearLayoutManagerWrapper继承LinearLayoutManager,重写onLayoutChildren方法
- public class WrapContentLinearLayoutManager extends LinearLayoutManager {
- public WrapContentLinearLayoutManager(Context context) {
- super(context);
- }
- public WrapContentLinearLayoutManager(Context context, int orientation, boolean reverseLayout) {
- super(context, orientation, reverseLayout);
- }
- public WrapContentLinearLayoutManager(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
- super(context, attrs, defStyleAttr, defStyleRes);
- }
- @Override
- public void onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state) {
- try {
- super.onLayoutChildren(recycler, state);
- } catch (IndexOutOfBoundsException e) {
- e.printStackTrace();
- }
- }
- }
2、设置RecyclerView的布局管理为WrapContentLinearLayoutManager对象
- mRecyclerView.setLayoutManager(new WrapContentLinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
我经过大量的测试,发现这个异常真的被catch了,没有再出现这种崩溃的问题了,大功告成,希望对大家有所帮助!!!
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