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package world.shanya.viewpagerdemobykotlinimport androidx.appcompat.app.AppCompatActivityimport android.os.Bundleimport androidx.fragment.app.Fragmentimport androidx.viewpager2.adapter.FragmentStateAdapterimport com.google.android.material.tabs.TabLayoutMediatorimport kotlinx.android.synthetic.main.activity_main.*class MainActivity : AppCompatActivity() {
       override fun onCreate(savedInstanceState: Bundle?) {
           super.onCreate(savedInstanceState)        setContentView(R.layout.activity_main)        viewPager2.adapter = object :FragmentStateAdapter(this){
               override fun getItemCount() = 3            override fun createFragment(position: Int) =                    when (position) {
                           0 -> OneFragment()                        1 -> TwoFragment()                        else -> ThreeFragment()                    }        }        TabLayoutMediator(tabLayout,viewPager2){
   tab, position ->            when (position) {
                   0 -> tab.text = "One"                1 -> tab.text = "Two"                else -> tab.text = "Three"            }        }.attach()    }}

样式2

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