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alibaba / vlayout

Project vlayout is a powerfull LayoutManager extension for RecyclerView, it provides a group of layouts for RecyclerView. Make it able to handle a complicate situation when grid, list and other layouts in the same recyclerview.
http://tangram.pingguohe.net/
MIT License
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用Vlayout的时候 相同type的复用是否会导致 图片也复用宽高 （Pair.second' on a null object ） #215

Open DavidNPF opened 7 years ago

DavidNPF commented 7 years ago

每个helper的宽高都是不同的 当我把DelegateAdapter(virtualLayoutManager,false)时 就会报空指针 .NullPointerException: Attempt to read from field 'java.lang.Object android.util.Pair.second' on a null object reference at com.alibaba.android.vlayout.DelegateAdapter.findAdapterByIndex(DelegateAdapter.java:473) at com.alibaba.android.vlayout.DelegateAdapter.onCreateViewHolder(DelegateAdapter.java:122) at com.chanven.lib.cptr.recyclerview.RecyclerAdapterWithHF.onCreateViewHolderHF(RecyclerAdapterWithHF.java:86) at com.chanven.lib.cptr.recyclerview.RecyclerAdapterWithHF.onCreateViewHolder(RecyclerAdapterWithHF.java:94) at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:5836) at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5060) at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4970) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx$LayoutState.next(ExposeLinearLayoutManagerEx.java:1626) at com.alibaba.android.vlayout.VirtualLayoutManager$LayoutStateWrapper.next(VirtualLayoutManager.java:1033) at com.alibaba.android.vlayout.layout.GridLayoutHelper.layoutViews(GridLayoutHelper.java:330) at com.alibaba.android.vlayout.layout.BaseLayoutHelper.doLayout(BaseLayoutHelper.java:319) at com.alibaba.android.vlayout.VirtualLayoutManager.layoutChunk(VirtualLayoutManager.java:629) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx.fill(ExposeLinearLayoutManagerEx.java:1159) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx.onLayoutChildren(ExposeLinearLayoutManagerEx.java:363) at com.alibaba.android.vlayout.VirtualLayoutManager.onLayoutChildren(VirtualLayoutManager.java:453) at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3315) at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3124) at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3568) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at com.chanven.lib.cptr.PtrFrameLayout.layoutChildren(PtrFrameLayout.java:266) at com.chanven.lib.cptr.PtrFrameLayout.onLayout(PtrFrameLayout.java:235) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557) at android.widget.LinearLayout.onLayout(LinearLayout.java:1466) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.support.v7.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:433) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557) at android.widget.LinearLayout.onLayout(LinearLayout.java:1466) at android.view.View.layout(View.java

grr1314 commented 6 years ago

我也遇到了这个问题

longerian commented 6 years ago

麻烦debug到那个地方看一下，可能内部计算有问题，我没有现场不好排查

raulbest commented 5 years ago

请问这个问题解决了么？

raulbest commented 5 years ago

每个helper的宽高都是不同的 当我把DelegateAdapter(virtualLayoutManager,false)时 就会报空指针 .NullPointerException: Attempt to read from field 'java.lang.Object android.util.Pair.second' on a null object reference at com.alibaba.android.vlayout.DelegateAdapter.findAdapterByIndex(DelegateAdapter.java:473) at com.alibaba.android.vlayout.DelegateAdapter.onCreateViewHolder(DelegateAdapter.java:122) at com.chanven.lib.cptr.recyclerview.RecyclerAdapterWithHF.onCreateViewHolderHF(RecyclerAdapterWithHF.java:86) at com.chanven.lib.cptr.recyclerview.RecyclerAdapterWithHF.onCreateViewHolder(RecyclerAdapterWithHF.java:94) at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:5836) at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5060) at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4970) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx$LayoutState.next(ExposeLinearLayoutManagerEx.java:1626) at com.alibaba.android.vlayout.VirtualLayoutManager$LayoutStateWrapper.next(VirtualLayoutManager.java:1033) at com.alibaba.android.vlayout.layout.GridLayoutHelper.layoutViews(GridLayoutHelper.java:330) at com.alibaba.android.vlayout.layout.BaseLayoutHelper.doLayout(BaseLayoutHelper.java:319) at com.alibaba.android.vlayout.VirtualLayoutManager.layoutChunk(VirtualLayoutManager.java:629) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx.fill(ExposeLinearLayoutManagerEx.java:1159) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx.onLayoutChildren(ExposeLinearLayoutManagerEx.java:363) at com.alibaba.android.vlayout.VirtualLayoutManager.onLayoutChildren(VirtualLayoutManager.java:453) at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3315) at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3124) at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3568) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at com.chanven.lib.cptr.PtrFrameLayout.layoutChildren(PtrFrameLayout.java:266) at com.chanven.lib.cptr.PtrFrameLayout.onLayout(PtrFrameLayout.java:235) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557) at android.widget.LinearLayout.onLayout(LinearLayout.java:1466) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.support.v7.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:433) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557) at android.widget.LinearLayout.onLayout(LinearLayout.java:1466) at android.view.View.layout(View.java

你好，请问你这个问题解决了么？具体是怎么解决的？谢谢

1izheng commented 5 years ago

每个helper的宽高都是不同的 当我把DelegateAdapter(virtualLayoutManager,false)时 就会报空指针 .NullPointerException: Attempt to read from field 'java.lang.Object android.util.Pair.second' on a null object reference at com.alibaba.android.vlayout.DelegateAdapter.findAdapterByIndex(DelegateAdapter.java:473) at com.alibaba.android.vlayout.DelegateAdapter.onCreateViewHolder(DelegateAdapter.java:122) at com.chanven.lib.cptr.recyclerview.RecyclerAdapterWithHF.onCreateViewHolderHF(RecyclerAdapterWithHF.java:86) at com.chanven.lib.cptr.recyclerview.RecyclerAdapterWithHF.onCreateViewHolder(RecyclerAdapterWithHF.java:94) at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:5836) at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5060) at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4970) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx$LayoutState.next(ExposeLinearLayoutManagerEx.java:1626) at com.alibaba.android.vlayout.VirtualLayoutManager$LayoutStateWrapper.next(VirtualLayoutManager.java:1033) at com.alibaba.android.vlayout.layout.GridLayoutHelper.layoutViews(GridLayoutHelper.java:330) at com.alibaba.android.vlayout.layout.BaseLayoutHelper.doLayout(BaseLayoutHelper.java:319) at com.alibaba.android.vlayout.VirtualLayoutManager.layoutChunk(VirtualLayoutManager.java:629) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx.fill(ExposeLinearLayoutManagerEx.java:1159) at com.alibaba.android.vlayout.ExposeLinearLayoutManagerEx.onLayoutChildren(ExposeLinearLayoutManagerEx.java:363) at com.alibaba.android.vlayout.VirtualLayoutManager.onLayoutChildren(VirtualLayoutManager.java:453) at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3315) at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3124) at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3568) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at com.chanven.lib.cptr.PtrFrameLayout.layoutChildren(PtrFrameLayout.java:266) at com.chanven.lib.cptr.PtrFrameLayout.onLayout(PtrFrameLayout.java:235) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557) at android.widget.LinearLayout.onLayout(LinearLayout.java:1466) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.support.v7.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:433) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) at android.widget.FrameLayout.onLayout(FrameLayout.java:514) at android.view.View.layout(View.java:15691) at android.view.ViewGroup.layout(ViewGroup.java:5039) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557) at android.widget.LinearLayout.onLayout(LinearLayout.java:1466) at android.view.View.layout(View.java

请问这个问题解决了吗。同样遇到这个问题