class SampleViewModel(
    val biometryAuthenticator: BiometryAuthenticator
) : ViewModel() {

    fun tryToAuth() = viewModelScope.launch {
        try {
            val isSuccess = biometryAuthenticator.checkBiometryAuthentication(
                requestTitle = "Biometry".desc(),
                requestReason = "Just for test".desc(),
                failureButtonText = "Oops".desc(),
                allowDeviceCredentials = false // true - if biometric permission is not granted user can authorise by device creds
            )

            if (isSuccess) {
                // Do something onSuccess
            }
        } catch (throwable: Throwable) {
            // Do something onFailed
        }
    }
}

class MainActivity : AppCompatActivity() {

    private lateinit var viewModel: SampleViewModel

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

        // Create viewModel from common code.
        viewModel = getViewModel {
            SampleViewModel(
                // Pass platform implementation of the Biometry Authenticator
                // to a common code
                biometryAuthenticator = BiometryAuthenticator(
                    applicationContext = applicationContext
                )
            )
        }

        // Binds the Biometry Authenticator to the view lifecycle
        viewModel.biometryAuthenticator.bind(
            lifecycle = this@MainActivity.lifecycle,
            fragmentManager = supportFragmentManager
        )
    }
}

class MainActivity : AppCompatActivity() {

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

        setContent {
            val biometryFactory: BiometryAuthenticatorFactory = rememberBiometryAuthenticatorFactory()

            // Create viewModel from common code
            val viewModel = getViewModel {
                SampleViewModel(
                    // Pass platform implementation of the Biometry Authenticator
                    // to a common code
                    biometryAuthenticator = biometryFactory.createBiometryAuthenticator()
                )
            }

            // Binds the Biometry Authenticator to the view lifecycle
            BindBiometryAuthenticatorEffect(viewModel.biometryAuthenticator)

            // Same screen content here
        }
    }
}

@Composable
fun BiometryScreen() {
    val biometryFactory: BiometryAuthenticatorFactory = rememberBiometryAuthenticatorFactory()
    
    BiometryScreen(
        viewModel = getViewModel(
            key = "biometry-screen",
            factory = viewModelFactory {
                BiometryViewModel(
                    biometryAuthenticator = biometryAuthenticatorFactory.createBiometryAuthenticator()
                )
            }
        )
    )
}

@Composable
private fun BiometryScreen(
    viewModel: BiometryViewModel
) = NavigationScreen(title = "moko-biometry") { paddingValues ->
    BindBiometryAuthenticatorEffect(viewModel.biometryAuthenticator)

    val text: String by viewModel.result.collectAsState()

    Column(
        modifier = Modifier.fillMaxSize().padding(paddingValues),
        horizontalAlignment = Alignment.CenterHorizontally
    ) {
        Text(text = text)

        Button(onClick = viewModel::onButtonClick) {
            Text(text = "Click on me")
        }
    }
}