kr1*_*hna 5 java android android-adapter android-recyclerview
这可能看起来像一个重复的问题,但事实并非如此!
我在RecyclerView上遇到了这种罕见的崩溃
java.lang.IndexOutOfBoundsException:
Inconsistency detected.
Invalid item position 1(offset:1).state:4 at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5014).
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我很确定在数据更改后我没有错过任何关于我的适配器的通知!
除了崩溃之外,我无法理解的一件事是我使用的是android.support.v7.widget.RecyclerView,崩溃是在那个java文件中的第5014行
来自RecyclerView.java的代码我的崩溃发生了
if (offsetPosition < 0 || offsetPosition >= mAdapter.getItemCount()) {
throw new IndexOutOfBoundsException("Inconsistency detected. Invalid item "
+ "position " + position + "(offset:" + offsetPosition + ")."
+ "state:" + mState.getItemCount());
}
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所以这也要崩溃
offsetPosition < 0
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要么
offsetPosition >= mAdapter.getItemCount()
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从崩溃日志中可以清楚地看出,我的offsetPosition是1
offsetPosition >= mAdapter.getItemCount()
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一定是真的!! 但在我的适配器中,我实现了像这样的getItemCount
@Override
public int getItemCount() {
return list.size() + 3;
}
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所以至少getItemCount应该返回3所以第二个语句也不可能是真的.
完整的崩溃日志
java.lang.IndexOutOfBoundsException: Inconsistency detected. Invalid item position 1(offset:1).state:4
at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5014)
at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4970)
at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2029)
at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1414)
at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1377)
at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:578)
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:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:131)
at android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42)
at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1364)
at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:846)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1197)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
at com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2678)
at android.view.View.layout(View.java:16651)
at android.view.ViewGroup.layout(ViewGroup.java:5440)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2183)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1943)
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我在这里想念的是什么?请帮忙!!谢谢!.