compose设置透明导航栏

// 看代码注释
@Composable
fun SuperHeroesTheme(
    darkTheme: Boolean = isSystemInDarkTheme(),
    // Dynamic color is available on Android 12+
    dynamicColor: Boolean = false,
    content: @Composable () -> Unit
) {
    val colorScheme = when {
        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
            val context = LocalContext.current
            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
        }

        darkTheme -> DarkColors
        else -> LightColors
    }
    // 获取当前页面
    val view = LocalView.current
    // 判断视频在编辑器中
    if (!view.isInEditMode) {
        // 控制边倒边场景
        SideEffect {
            setUpEdgeToEdge(view = view, darkTheme = darkTheme)
        }
    }

    MaterialTheme(
        colorScheme = colorScheme,
        typography = Typography,
        shapes = Shapes,
        content = content
    )
}

private fun setUpEdgeToEdge(view: View, darkTheme: Boolean) {
    val window = (view.context as Activity).window
    // 告诉系统自己控制状态栏喝导航栏
    WindowCompat.setDecorFitsSystemWindows(window, false)
    window.statusBarColor = Color.Transparent.toArgb()
    val navigationColor = when {
        Build.VERSION.SDK_INT >= 29 -> Color.Transparent.toArgb()
        Build.VERSION.SDK_INT >= 26 -> Color(0xFF, 0xFF, 0xFF, 0x63).toArgb()
        // Min sdk version for this app is 24, this block is for SDK versions 24 and 25
        else -> Color(0x00, 0x00, 0x00, 0x50).toArgb()
    }
    window.navigationBarColor = navigationColor
    // 设置导航栏的字体喝图标颜色
    val controller = WindowCompat.getInsetsController(window, view)
    controller.isAppearanceLightStatusBars = !darkTheme
    controller.isAppearanceLightNavigationBars = !darkTheme
}