java.lang.IllegalArgumentException: Wrong state class, expecting View State but received

本文介绍了一种在使用ViewPager和Fragment结合的项目中遇到的布局ID冲突问题,并提供了一个具体的解决方案,即通过重写自定义控件的onRestoreInstanceState方法来避免错误。

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今天在开发过程中遇到了以下的错误:
java.lang.IllegalArgumentException: Wrong state class, expecting View State but received class android.support.v7.widget.RecyclerView$SavedState instead. This usually happens when two views of different type have the same id in the same hierarchy. This view’s id is id/dynamic_rv. Make sure other views do not use the same id.
因为我的首页是用viewpager结合fragment做的几个可以左右滑动的TAB页面,A页面又用了github上开源的下拉刷新控件,当离开A页面后再从其他页面返回时,便出现了以上错误,大致意思就是layout的ID重复了,至于为什么会重复,就没有深入了解下去了。
解决方式是找到自定义控件的类,比如我的是这样的

        public class NRecyclerView extends BaseLayout {

    private RecyclerView.LayoutManager layoutManager;
    private InnerAdapter adapter;
    private final RecyclerView.AdapterDataObserver mDataObserver = new DataObserver();

    public NRecyclerView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    private ViewGroup AdtureView;
    private ViewGroup BottomView;
    ........

在此控件中重写onRestoreInstanceState方法,

    @Override
    protected void onRestoreInstanceState(Parcelable state) {
        try {
            super.onRestoreInstanceState(state);
        }catch (Exception e) {}
        state=null;
    }

解决问题。

Fatal Exception: java.lang.IllegalArgumentException: Wrong state class, expecting View State but received class androidx.appcompat.widget.Toolbar$SavedState instead. This usually happens when two views of different type have the same id in the same hierarchy. This view's id is id/toolbar. Make sure other views do not use the same id. at android.view.View.onRestoreInstanceState(View.java:21043) at android.view.View.dispatchRestoreInstanceState(View.java:21015) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4063) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4069) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4069) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4069) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4069) at android.view.View.restoreHierarchyState(View.java:20993) at com.android.internal.policy.PhoneWindow.restoreHierarchyState(PhoneWindow.java:2185) at android.app.Activity.onRestoreInstanceState(Activity.java:1753) at android.app.Activity.performRestoreInstanceState(Activity.java:1706) at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1356) at android.app.ActivityThread.handleStartActivity(ActivityThread.java:3618) at android.app.servertransaction.TransactionExecutor.performLifecycleSequence(TransactionExecutor.java:221) at android.app.servertransaction.TransactionExecutor.cycleToPath(TransactionExecutor.java:201) at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:173) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2187) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:236) at android.app.ActivityThread.main(ActivityThread.java:8057) at java.lang.reflect.Method.invoke(Method.java) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:620) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1011) 线上崩溃分析
最新发布
07-02
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