[Kotlin] Compose system bar 설정 (with. AppBar)

Window 객체 활용

@Composable  
fun BarColorsTheme(darkTheme: Boolean = isSystemInDarkTheme(), content: @Composable () -> Unit) {  
	// ...
		/*
			DarkTheme 인지 아닌지로 colors 객체 결정 로직
		*/

    val view = LocalView.current  
    if (!view.isInEditMode) {  
        SideEffect {  
            val window = (view.context as Activity).window  
            window.statusBarColor = colors.primary.toArgb() //시스템바 색상 변경
            window.navigationBarColor = colors.primary.toArgb() //시스템 내비게이션바 색상
  
            WindowCompat.getInsetsController(window, view)  
                .isAppearanceLightStatusBars = darkTheme  
            WindowCompat.getInsetsController(window, view)  
                .isAppearanceLightNavigationBars = darkTheme  
        }  
    }  
	// ...
}