50 lines
1.3 KiB
Kotlin
50 lines
1.3 KiB
Kotlin
package com.example.helloword
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import android.os.Bundle
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.Surface
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.tooling.preview.Preview
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import com.example.helloword.ui.theme.HellowordTheme
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class MainActivity : ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContent {
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HellowordTheme {
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Surface(
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modifier = Modifier.fillMaxSize(),
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color = MaterialTheme.colorScheme.background
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) {
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HelloWorldScreen()
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}
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}
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}
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}
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}
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@Composable
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fun HelloWorldScreen() {
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Box(
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modifier = Modifier.fillMaxSize(),
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contentAlignment = Alignment.Center
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) {
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Text(text = "Hello World!")
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}
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}
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@Preview(showBackground = true)
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@Composable
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fun PreviewHelloWorld() {
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HellowordTheme {
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HelloWorldScreen()
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}
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}
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