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Android Studio – Bottom Navigation Bar in Android Studio not Working?

bottomNavigationView.setOnNavigationItemSelectedListener{ when (it.itemId){ R.id.local1 -> make_Fragment(fragment1) R.id.local2-> make_Fragment(fragment2) R.id.local3 -> make_Fragment(fragment3) } true } Here bottomNavigationView is throwing error : Unresolved reference: bottomNavigationView and also i defined the id on mainactivity.xml <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent"…

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Android Studio – private lateinit var binding: ActivityMainBinding Not Working?

class MainActivity : AppCompatActivity() { private lateinit var binding: ActivityMainBinding private lateinit var navController: NavController override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) binding = ActivityMainBinding.inflate(layoutInflater) setContentView(binding.root) navController = Navigation.findNavController(this, R.id.bottom_nav_control) setupWithNavController(binding.bottomNavigationView, navController) } } Here,private lateinit var binding: ActivityMainBinding not working?!…

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