package cash.z.ecc.android.app import android.os.Bundle import androidx.activity.ComponentActivity import androidx.activity.compose.setContent import androidx.compose.material.MaterialTheme import androidx.compose.material.Surface import androidx.compose.material.Text import androidx.compose.runtime.Composable import androidx.compose.ui.tooling.preview.Preview import cash.z.ecc.android.app.ui.theme.MyApplicationTheme class MainActivity : ComponentActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContent { MyApplicationTheme { // A surface container using the 'background' color from the theme Surface(color = MaterialTheme.colors.background) { Greeting("Android") } } } } } @Composable fun Greeting(name: String) { Text(text = "Hello $name!") } @Preview(showBackground = true) @Composable fun DefaultPreview() { MyApplicationTheme { Greeting("Android") } }