public ChatsPageViewModel()
{
//FriendsList
OnFriendsListCommand = new Command(async() => {
await App.Current.MainPage.Navigation.PushAsync(new FriendListPage());
});
//Logout
OnLogoutCommand = new Command(() =>
{
UserSetting.ClearEverything(); //clear all User data.
App.Current.MainPage = new NavigationPage(new AuthenticationPage()); //go back logout screen
});
}
