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请问Navigation+BottomNavigationView+ViewPager2如何实现可滑动切换的底部导航栏？ #1

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jingxin2015 opened this issue Sep 17, 2022 · 0 comments
Open

请问Navigation+BottomNavigationView+ViewPager2如何实现可滑动切换的底部导航栏？ #1

jingxin2015 opened this issue Sep 17, 2022 · 0 comments

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@jingxin2015
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请问Navigation+BottomNavigationView+ViewPager2如何实现可滑动切换的底部导航栏？
我在实现的过程中发现了一个问题，我有一个MainActivity，四个Fragment（Fragment1、Fragment2、Fragment3、Fragment4）作为底部导航栏的4个页面，一个导航图，导航图的起始目的地为 Fragment1，而ViewPager2显示的第一个页面也是 Fragment1，在app启动的时候发现 Navigation 会先创建一个 Fragment1 的实例，之后 ViewPager2 的 adapter 的 createFragment 方法也会创建一个 Fragment1 实例，出来的效果就是：Navigation创建的 Fragment1 一直显示在底层，在滑动切换tab的时候和其他Fragment内容重叠了，请问这个问题有解决方法吗？万分感谢！
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