Compose Learning Template

ComposeLearningTemplate.kt

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            Theme {
                Surface {
                    MainScreen(mainViewModel = MainViewModel())
                }
            }
        }
    }
}

class CountryRepository {

    @Throws(IOException::class)
    suspend fun getCountries(from: Int = 0, size: Int = 10): Flow<List<String>> {
        delay(2000)
        return MutableStateFlow(Countries.getCountriesSafe(from, size))
    }

    suspend fun getAllCountries(): Flow<List<String>> {
        delay(2000)
        return MutableStateFlow(Countries.getAllCountries())
    }
}

class MainViewModel(
    private val countryRepository: CountryRepository = CountryRepository(),
) : ViewModel() {

}

@Composable
private fun MainScreen(mainViewModel: MainViewModel) {
}