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Fatal Exception: java.lang.NullPointerException #484
Description
空指针异常导致的崩溃问题
期望结果
如何复现
线上崩溃问题，复现步骤未知
截图
Fatal Exception: java.lang.NullPointerException: Parameter specified as non-null is null: method com.drake.brv.d.f, parameter other
at com.drake.brv.reflect.TypeListKt.equalInstance(TypeList.kt:43)
at com.drake.brv.BindingAdapter.getItemViewType(BindingAdapter.kt:192)
at androidx.recyclerview.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:6755)
at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:6688)
at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:6684)
at androidx.recyclerview.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2362)
at androidx.recyclerview.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java)
at androidx.recyclerview.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1622)
at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:687)
at com.drake.brv.layoutmanager.HoverLinearLayoutManager.onLayoutChildren(HoverLinearLayoutManager.java:215)
at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:4604)
at androidx.recyclerview.widget.RecyclerView.dispatchLayout(RecyclerView.java:4307)
at androidx.recyclerview.widget.RecyclerView.onLayout(RecyclerView.java:4873)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at androidx.constraintlayout.widget.ConstraintLayout.onLayout(ConstraintLayout.java:1961)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:338)
at android.widget.FrameLayout.onLayout(FrameLayout.java:276)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at androidx.recyclerview.widget.RecyclerView$LayoutManager.layoutDecoratedWithMargins(RecyclerView.java:10321)
at androidx.recyclerview.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1720)
at androidx.recyclerview.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1622)
at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:687)
at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:4604)
at androidx.recyclerview.widget.RecyclerView.dispatchLayout(RecyclerView.java:4307)
at androidx.recyclerview.widget.RecyclerView.onLayout(RecyclerView.java:4873)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at androidx.viewpager2.widget.ViewPager2.onLayout(ViewPager2.java:527)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at androidx.constraintlayout.widget.ConstraintLayout.onLayout(ConstraintLayout.java:1961)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:338)
at android.widget.FrameLayout.onLayout(FrameLayout.java:276)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1834)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1678)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1587)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:338)
at android.widget.FrameLayout.onLayout(FrameLayout.java:276)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1834)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1678)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1587)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:338)
at android.widget.FrameLayout.onLayout(FrameLayout.java:276)
at com.android.internal.policy.DecorView.onLayout(DecorView.java:1087)
at android.view.View.layout(View.java:24223)
at android.view.ViewGroup.layout(ViewGroup.java:6493)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:4430)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:3783)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:2615)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:9770)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1504)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1512)
at android.view.Choreographer.doCallbacks(Choreographer.java:1113)
at android.view.Choreographer.doFrame(Choreographer.java:1016)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1487)
at android.os.Handler.handleCallback(Handler.java:942)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:223)
at android.os.Looper.loop(Looper.java:324)
at android.app.ActivityThread.main(ActivityThread.java:8626)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:582)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1061)
版本
- BRV: 1.6.1
- Android: 13
- Gradle:
- Android Studio:
Activity
liangjingkanji commentedon Jul 9, 2025
看起来是你在列表元素里面传了null导致报错, 具体原因得你自己排查
Bruce-7-tech commentedon Jul 10, 2025
好的 东哥