thegameextreme/TheGameExtreme/view/Settings.xaml.cs

using System;
using System.Collections.Generic;

using Xamarin.Forms;

namespace TheGameExtreme.view
{
    public partial class Settings : ContentPage
    {
        
        public Settings()
        {
            InitializeComponent();
            
        }

        private void CBBr_CheckedChanged(object sender, CheckedChangedEventArgs e)
        {
            if(CBBr.IsChecked == true)
            {
                CBFr.IsChecked = !CBBr.IsChecked;

            }
            
        }

        private void CBFr_CheckedChanged(object sender, CheckedChangedEventArgs e)
        {
            if(CBFr.IsChecked == true)
            {
                CBBr.IsChecked = !CBBr.IsChecked;
            }
        }

        private void Switch_Toggled_Theme(object sender, ToggledEventArgs e)
        {
            if(swTheme.IsToggled == false)
            {
                pageContentSetting.Style = Application.Current.Resources["MyBackGroundColorStyle1"] as Style;
            }
            else
            {
                pageContentSetting.Style = Application.Current.Resources["MyBackGroundColorStyle2"] as Style;
            }
        }
    }
}