import android.os.Bundle import androidx.activity.ComponentActivity import androidx.activity.compose.setContent import androidx.activity.enableEdgeToEdge import androidx.compose.foundation.layout.Box import androidx.compose.foundation.layout.fillMaxSize import androidx.compose.material3.MaterialTheme import androidx.compose.material3.Surface import androidx.compose.material3.Text import androidx.compose.runtime.Composable import androidx.compose.ui.Alignment import androidx.compose.ui.Modifier import androidx.compose.ui.graphics.Color import androidx.compose.ui.tooling.preview.Preview import androidx.compose.ui.unit.sp import com.example.myapplication.ui.theme.MyApplicationTheme class MainActivity : ComponentActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) enableEdgeToEdge() setContent { Surface(modifier = Modifier.fillMaxSize(), color = Color.White ) { Box( contentAlignment = Alignment.Center, modifier = Modifier.fillMaxSize() ){ Text(text = "Hello World", color = Color.Red, fontSize = 32.sp ) } } } } }