• 视图绑定的主要优点是速度和效率。它具有较短的构建时间,因为它避免了由于注释处理器影响数据绑定的构建时间而导致的与数据绑定相关的开销和性能问题。



  • 简而言之,没有任何视图绑定可以做数据绑定不能做的事情(尽管以更长的构建时间为代价),并且有很多数据绑定可以做的视图绑定不能 t


    We are using DataBinding since Jetpack release. Android documentation indicates that ViewBinding was added in Android Studio 3.6 Canary 11+.

    I real documentation but its looks likes similar with DataBinding.

    Can anyone explain how we can differ this two concepts?

    解决方案

    According to the official docs:

    ViewBinding

    Only binding views to code.

    DataBinding

    Binding data (from code) to views + ViewBinding (Binding views to code)

    There are three important differences

    1. With view binding, the layouts do not need a layout tag

    2. You can't use viewbinding to bind layouts with data in xml(No binding expressions, no BindingAdapters nor two-way binding with viewbinding)

    3. The main advantages of viewbinding are speed and efficiency. It has a shorter build time because it avoids the overhead and performance issues associated with databinding due to annotation processors affecting databinding's build time.

    In short, there is nothing viewbinding can do that databinding cannot do (though at cost of longer build times) and there are a lot databinding can do that viewbinding can"t

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    09-07 14:46