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summer-zhoujie avatar summer-zhoujie commented on July 17, 2024

http://www.jb51.net/article/107257.htm
找到原因了。。。如果这是真的原因，那么我华丽的侮辱了自己

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Jude95 avatar Jude95 commented on July 17, 2024

POSITION_NONE就是为了刷新。
另外不用担心重复创建View。只有DynamicPagerAdapter 与LoopPagerAdapter 是返回POSITION_NONE。而这2个都是我自己实现了一套View缓存机制。从新调用instantiateItem不等于重新创建ChildView。

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summer-zhoujie avatar summer-zhoujie commented on July 17, 2024

首先感谢您耐心的回答！

default
sss

还有一个疑问是每notify一下，mViewList都会clear一下，导致在instantiateItem里面从新创建，我想将clear的代码注释掉，这样既刷新了界面，又不用从新创建View，这样的思路正确吗

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Jude95 avatar Jude95 commented on July 17, 2024

notify...不就是刷新View=重新创建View吗。在原ViewPager和RecycleView里都是这样。不clean旧view...你咋刷新界面。
你如果只是想修改界面,不应该调用notify，直接修改View就好

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