Giới thiệu về tính năng bảo vệ thanh hệ thống

class SystemBarProtectionSnippets : ComponentActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        // enableEdgeToEdge sets window.isNavigationBarContrastEnforced = true
        // which is used to add a translucent scrim to three-button navigation
        enableEdgeToEdge()

        setContent {
            MyTheme {
                // Main content
                MyContent()

                // After drawing main content, draw status bar protection
                StatusBarProtection()
            }
        }
    }
}

@Composable
private fun StatusBarProtection(
    color: Color = MaterialTheme.colorScheme.surfaceContainer,
) {
    Spacer(
        modifier = Modifier
            .fillMaxWidth()
            .height(
                with(LocalDensity.current) {
                    (WindowInsets.statusBars.getTop(this) * 1.2f).toDp()
                }
            )
            .background(
                brush = Brush.verticalGradient(
                    colors = listOf(
                        color.copy(alpha = 1f),
                        color.copy(alpha = 0.8f),
                        Color.Transparent
                    )
                )
            )
    )
}
SystemBarProtectionSnippets.kt