Bottom navigation
Step 1. Add Framelayout in Layout File
Step 2. Create fragment in android studio for your app
Step 3. How to use fragmentmanager to use fragment in your app
Load fragment in app on BottomNavigationView event
Steps1. create new fragment->fragment blank of h fragment.kt and another of create aboutfragment.kt
Step2. fragment_home_xml-> attributes-> text-> I am home fragment
Step3. fragment_about_xml-> attributes-> text-> I am about fragment
Go to MainActivity.kt (code)
supportFragmentManager.begin Transaction ().add(R.id.root_container,HomeFragment()).commit()
Bottomview.setOnNavigationItemSelectedListener(
/*Part one logic
Val msg= when(it.itemID)
{
R.id.about->”About Selected”
else ->”Home selected”
}
Toast.make text(this @MainActivity,msg,Toast.LENGTH_LONG).show() /*
Val fragment=when(it.itemId)
{
R.id.about->AboutFragment()
else->HomeFragment ()
}
SupportFragmentManager.begin Transaction ().replace(R.id. root_container, fragment).commit()
True
}
}
}