我通过 crashlytics 得到了这个堆栈跟踪。我不知道问题出在哪里。
有没有 StaggeredGridLayoutManager 的替代方案可以用来获取类似列表视图的布局。
Fatal Exception: java.lang.ArrayIndexOutOfBoundsException: start < 0 || end > len. start=-1, end=11, len=11
at java.util.Arrays.checkStartAndEnd(Arrays.java:1745)
at java.util.Arrays.fill(Arrays.java:803)
at android.support.v7.widget.StaggeredGridLayoutManager$LazySpanLookup.invalidateAfter(SourceFile:2404)
at android.support.v7.widget.StaggeredGridLayoutManager.handleUpdate(SourceFile:1373)
at android.support.v7.widget.StaggeredGridLayoutManager.onItemsRemoved(SourceFile:1327)
at android.support.v7.widget.RecyclerView$6.dispatchUpdate(SourceFile:725)
at android.support.v7.widget.RecyclerView$6.onDispatchFirstPass(SourceFile:716)
at android.support.v7.widget.AdapterHelper.dispatchFirstPassAndUpdateViewHolders(SourceFile:316)
at android.support.v7.widget.AdapterHelper.dispatchAndUpdateViewHolders(SourceFile:302)
at android.support.v7.widget.AdapterHelper.applyRemove(SourceFile:182)
at android.support.v7.widget.AdapterHelper.preProcess(SourceFile:103)
at android.support.v7.widget.RecyclerView.processAdapterUpdatesAndSetAnimationFlags(SourceFile:2767)
at android.support.v7.widget.RecyclerView.onMeasure(SourceFile:2538)
at android.view.View.measure(View.java:16521)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5134)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:695)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:588)
at android.view.View.measure(View.java:16521)
at android.support.v4.view.ViewPager.onMeasure(SourceFile:1489)
at android.view.View.measure(View.java:16521)
at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:719)
at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:455)
at android.view.View.measure(View.java:16521)
at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:719)
at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:455)
at android.view.View.measure(View.java:16521)
at android.support.v4.widget.DrawerLayout.onMeasure(SourceFile:940)
at android.view.View.measure(View.java:16521)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5134)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.support.v7.widget.ContentFrameLayout.onMeasure(SourceFile:135)
at android.view.View.measure(View.java:16521)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5134)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.view.View.measure(View.java:16521)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5134)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.view.View.measure(View.java:16521)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5134)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:695)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:588)
at android.view.View.measure(View.java:16521)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5134)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2331)
at android.view.View.measure(View.java:16521)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1925)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1117)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1299)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5739)
at android.view.Choreographer$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$FrameDisplayEventReceiver.run(Choreographer.java:747)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5380)
at java.lang.reflect.Method.invokeNative(Method.java)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:970)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:786)
at dalvik.system.NativeStart.main(NativeStart.java)
这就是我正在做的处理适配器之一中的点击侦听器的操作
@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
holder.relative.setClickable(true);
holder.relative.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (itemClickListener != null)
itemClickListener.onClick(v, position);
else
AppConfig.log("itemClickLestener was null");
}
});
holder.relative.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
if (itemClickListener != null)
itemClickListener.onLongClick(v, position);
return true;
}
});
return view;
}
看起来您正试图打电话获取适配器位置()而 Recycler View 布局不会被计算（可能由调用 notificationDataSetChanged() 触发）。
总是这样处理
final int position = getAdapterPosition();
if(positon != RecyclerView.NO_POSITION){
// you can trust the adapter position
// do whatever you intend to do with this position
}
该文档明确说明了以下内容
如果您想通过 ViewHolder 单击访问适配器中的项目，则应该使用 getAdapterPosition()。请注意，如果调用了notifyDataSetChanged()并且尚未计算新布局，这些方法可能无法计算适配器位置。因此，您应该小心处理这些方法的 NO_POSITION 或 null 结果。
UPDATE
现在您终于发布了一些代码。以下是您应该考虑的一些事项。
-
不要在 onBindViewHolder 中传递最终参数。当 OnClickListener 被触发时，不能保证位置与您想象的相同。所以这样做
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.relative.setClickable(true);
//do other stuff
}
-
不要在 onBindViewHolder 方法中分配任何侦听器。当视图被回收时，您最终会为同一个视图多次设置侦听器。相反，将其设置在视图持有者类或 onCreateViewHolder 方法中，如下所示
@Override
public MyViewHolder onCreateViewHolder (ViewGroup parent, int viewType) {
View myView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.my_layout, parent, false);
//setting listeners on creation
myView.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
final int position = getAdapterPosition();
if(position != RecyclerView.NO_POSITION){
//do whatever you want with the clicked position
}
}
});
//return the view holder
return new MyViewHolder(myView);
}
或者在ViewHolder类中
public class MyViewHolder extends RecyclerView.ViewHolder {
public MyViewHolder(View itemView) {
super(itemView);
//setting listeners inside viewHolder class
itemView.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
final int position = getAdapterPosition();
if(position != RecyclerView.NO_POSITION){
//do whatever you want with the clicked position
}
}
});
}
}
解决上述问题可能会解决您的问题。我强烈建议您观看 2015 年 Google 开发峰会有关 RecyclerView 的视频。这真的很有趣，他们讨论了 RecyclerView 的来龙去脉。他们还提到为什么不在 onBinViewHolder 内部传递最终参数。点击here https://youtu.be/imsr8NrIAMs?t=34m50s查看他们在视频中谈论此事的确切时刻。
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