mear/Mear/Mear.Android/MainActivity.cs

using System;

using Android.App;
using Android.Content.PM;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.OS;

using MediaManager;
using Rg.Plugins.Popup;
using Rg.Plugins.Popup.Pages;

namespace Mear.Droid
{
    [Activity(Label = "Mear", Icon = "@mipmap/icon", Theme = "@style/MainTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
    public class MainActivity : global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity
    {
        protected override void OnCreate(Bundle savedInstanceState)
        {
            TabLayoutResource = Resource.Layout.Tabbar;
            ToolbarResource = Resource.Layout.Toolbar;

            Popup.Init(this, savedInstanceState);

            base.OnCreate(savedInstanceState);

            Xamarin.Essentials.Platform.Init(this, savedInstanceState);
            global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
            LoadApplication(new App());

            CrossMediaManager.Current.Init();
			CrossMediaManager.Current.Init(this);
        }
        public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Android.Content.PM.Permission[] grantResults)
        {
            Xamarin.Essentials.Platform.OnRequestPermissionsResult(requestCode, permissions, grantResults);

            base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
        }
        public override void OnBackPressed()
        {
            if (Popup.SendBackPressed(base.OnBackPressed))
            {
                var demo = 0;
            }
            else
            {
                var demo = 0;
            }
            base.OnBackPressed();
        }
    }
}