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关于 by navGraphViewModels #12

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Key-CN opened this issue Feb 3, 2021 · 1 comment

Key-CN commented Feb 3, 2021

导航图是动态生成，那么by navGraphViewModels(R.id.xxxx)这个图内作用域共享的ViewModel是不是就没办法使用了？

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vitaviva commented Feb 4, 2021

by navGrpahViewModes(R.id.xxxx) 一般用来获取前面已经入栈的节点的ViewModel，对于已经入栈的节点Graph中已经可以找到了，所以可以使用。但是这里确实有一个小问题：Fragivity中通常并不关心id（实际id是class的hash），所以通过id获取vm不够友好。后期会添加一个不通过id获取vm的API供大家使用。当然非必要的情况，推荐直接使用by activityViewModels()

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