ViewModel 不受横竖屏切换影响
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Android ViewModel创建不受横竖屏切换影响原理详解
目录ViewModel的创建方式参数 1 ViewMod编程elStoreOwner：参数 2 Factory：ViewModel 为什么不受 Activity 横竖屏生命周期的影响1、在 Activity 走到 onDestroy 方法时，做了判断 isChangingConfigurations2、在 Ac[详细]
2023-03-08 10:21 分类：开发 In SQL, what does Group By mean without Count(*), or Sum(), Max(), avg(), ..., and what are some uses of it?
In SQL, if we use Group By without Count(*) or Sum(), etc, then the result is as follows: mysql>select * from sentGifts;[详细]
2022-12-28 14:37 分类：问答
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