protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            SetContentView(Resource.Layout.Messages);
            InitData();

            recycler = FindViewById <RecyclerView>(Resource.Id.recycler);
            recycler.HasFixedSize = true;
            layoutManager         = new LinearLayoutManager(this);
            recycler.SetLayoutManager(layoutManager);
            adapter            = new RecViewAdapterMessage(lstData, this);
            adapter.ItemClick += OnItemClick;
            recycler.SetAdapter(adapter);

            // Create your application here
        }
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            Xamarin.Essentials.Platform.Init(this, savedInstanceState);
            SetContentView(Resource.Layout.activity_main);
            Android.Support.V7.Widget.Toolbar toolbar = FindViewById <Android.Support.V7.Widget.Toolbar>(Resource.Id.toolbar);
            SetSupportActionBar(toolbar);

            FloatingActionButton fab = FindViewById <FloatingActionButton>(Resource.Id.fab);

            fab.Click += FabOnClick;

            DrawerLayout          drawer = FindViewById <DrawerLayout>(Resource.Id.drawer_layout);
            ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, Resource.String.navigation_drawer_open, Resource.String.navigation_drawer_close);

            drawer.AddDrawerListener(toggle);
            toggle.SyncState();

            NavigationView navigationView = FindViewById <NavigationView>(Resource.Id.nav_view);
            View           hv             = navigationView.GetHeaderView(0);

            Fullname = hv.FindViewById <TextView>(Resource.Id.Fullname);
            id       = hv.FindViewById <TextView>(Resource.Id.ID);
            imageSrc = hv.FindViewById <ImageView>(Resource.Id.imageView);
            navigationView.SetNavigationItemSelectedListener(this);

            Dsql1 = req(Dsql1);

            string Full = Dsql1.Secondname + " " + Dsql1.Name;

            Fullname.Text = Full;
            id.Text       = "ID - 7777777";
            int resourceId = (int)typeof(Resource.Drawable).GetField(Dsql1.image).GetValue(null);

            imageSrc.SetImageResource(resourceId);
            InitData();

            recycler = FindViewById <RecyclerView>(Resource.Id.recycler);
            recycler.HasFixedSize = true;
            layoutManager         = new LinearLayoutManager(this);
            recycler.SetLayoutManager(layoutManager);
            adapter            = new RecViewAdapterMessage(lstData, this);
            adapter.ItemClick += OnItemClick;
            recycler.SetAdapter(adapter);
        }