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文件管理列表点击存在潜藏的数组越界问题 #14

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zhongzilu opened this issue Dec 17, 2016 · 0 comments
Open

文件管理列表点击存在潜藏的数组越界问题 #14

zhongzilu opened this issue Dec 17, 2016 · 0 comments

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@zhongzilu
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最近在移植该项目代码,移植成功后(FileListAdapter代码我没改动),发现一个数组越界报错,当我列表中存在几个文件时,第一次点击文件可以进入编辑,然后快速退出再点击另一文件时就会报该错误

12-17 12:56:50.135 31831-31831/com.zhongzilu.bit100 E/AndroidRuntime: FATAL EXCEPTION: main
                                                                      Process: com.zhongzilu.bit100, PID: 31831
                                                                      java.lang.ArrayIndexOutOfBoundsException: length=14; index=-1
                                                                          at java.util.ArrayList.get(ArrayList.java:310)
                                                                          at com.zhongzilu.bit100.view.fragment.FolderManagerFragment.onItemClick(FolderManagerFragment.java:629)
                                                                          at com.zhongzilu.bit100.view.adapter.FileListAdapter.lambda$onBindViewHolder$0(FileListAdapter.java:144)
                                                                          at com.zhongzilu.bit100.view.adapter.FileListAdapter.access$lambda$0(FileListAdapter.java:0)
                                                                          at com.zhongzilu.bit100.view.adapter.FileListAdapter$$Lambda$1.onClick(Unknown Source)

什么原因导致的我还不清楚

解决方法

将以下代码中的getAdapterPosition()方法换成getLayoutPosition()即可

if (mOnItemClickLitener != null) {
         holder.itemView.setOnClickListener(v -> {
             int pos = holder.getAdapterPosition();
             mOnItemClickLitener.onItemClick(holder.name, pos);
         });

         holder.itemView.setOnLongClickListener(v -> {
             int pos = holder.getAdapterPosition();
             mOnItemClickLitener.onItemLongClick(holder.itemView, pos);
             return !isEditMode;
         });
}
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