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关于ViewModel的实例化 #4

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Kotlin2022 opened this issue Jul 23, 2024 · 2 comments
Open

关于ViewModel的实例化 #4

Kotlin2022 opened this issue Jul 23, 2024 · 2 comments

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@Kotlin2022
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我看项目中的ViewModel都是通过by lazy 对象的构造方法实例化的，这样实例化的ViewModel 是不是不能保证ViewModel与Fragment、activity的生命周期关联？例如：
private val mViewModel: WanViewModel by lazy { WanViewModel() }
是不是应该用ViewModelProvider或者ViewModelProvider.Factory去实例化比较好？
@Khaos116
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@Kotlin2022 如果你要多页面共用数据，就使用ViewModelProvider共享数据

@Khaos116
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我当时转kotlin的时候使用没那么熟练，也是小白，别人这样我就这样了

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@Kotlin2022 @Khaos116