MainActivity.kt

//add this annotation to make it accessible all dependencies from DI Graph created using HILT
@AndroidEntryPoint
class MainActivity : AppCompatActivity() {

    //access viewmodel like this 
    private val sampleViewModel: SampleViewModel by viewModels()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        //code
    }

}