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itemProvider中绑定数据的疑问 #50

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Dragon-Boat opened this issue Dec 23, 2016 · 1 comment

Dragon-Boat commented Dec 23, 2016

itemProvider中，onBindViewHolder中提供了当前viewholder和相关的数据类，但是我想访问上一个位置的数据，应该如何做？问题抽象一下，就是当前item的不仅和自身状态有关，也和上一个item的数据有联系。

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drakeet commented Dec 23, 2016

那你可以把 items List 通过 provider 构造函数或 setter 方法传给 provider 即可，provider 中可以拿到 position，再调用例如 items.get(getPosition() - 1)

drakeet closed this as completed

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