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根据底部导航更改操作栏标题

[英]changing action bar title according to bottom navigation

I created a bottom navigation.我创建了一个底部导航。 Now I want the action bar title to change with the same name as the icon clicked in the bottom navigation.现在我希望操作栏标题更改为与底部导航中单击的图标相同的名称。 How can I do it, any idea?我该怎么做,有什么想法吗?

Have you tried adding a listener to your bottom navigation view and updating the title of the action bar accordingly?您是否尝试过在底部导航视图中添加侦听器并相应地更新操作栏的标题?

val navView: BottomNavigationView = findViewById(R.id.nav_view)
navView.setOnNavigationItemSelectedListener { item ->
            supportActionBar?.title = item.title
            true
}

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