Android底部导航栏图标变黑色

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
    window.insetsController?.setSystemBarsAppearance(
        WindowInsetsController.APPEARANCE_LIGHT_NAVIGATION_BARS,
        WindowInsetsController.APPEARANCE_LIGHT_NAVIGATION_BARS
    )
} else {
    window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR
}