Use Tab with new ToolBar (AppCompat v7-21) in mvvmcross

I have use support_v7 Toolbar as ActionBar, but i getting problem to add tabs in my activity. Is there any example to add tab with toolbar. I took a look at

-------------Problems Reply------------

I works just the same as normal Android apps. Use the layouts that Gabriele Mariotti's link has. To make the viewpager work with bindings in MvvmCross you need to use something like this:

For better readability:

Here is some code:

<?xml version="1.0" encoding="utf-8"?>
< xmlns:android=""
app:layout_scrollFlags="scroll|enterAlways" />
app:tabMode="scrollable" />
app:layout_behavior="@string/appbar_scrolling_view_behavior" />

public class SomeFragment : MvxFragment<SomeViewModel>
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
var view = base.OnCreateView(inflater, container, savedInstanceState);

var viewPager = view.FindViewById<Android.Support.V4.View.ViewPager>(Resource.Id.viewpager);
if (viewPager != null)
var fragments = new List<MvxViewPagerFragmentAdapter.FragmentInfo>
new MvxViewPagerFragmentAdapter.FragmentInfo
FragmentType = typeof(SomeFragment1),
Title = "",
ViewModel = ViewModel.ViewModelSomething1
new MvxViewPagerFragmentAdapter.FragmentInfo
FragmentType = typeof(SomeFragment2),
Title = ViewModel.ViewModelPopular.TextSource.GetText("Title"),
ViewModel = ViewModel.ViewModelSomething2
new MvxViewPagerFragmentAdapter.FragmentInfo
FragmentType = typeof(SomeFragment3),
Title = ViewModel.ViewModelContributors.TextSource.GetText("Title"),
ViewModel = ViewModel.ViewModelSomething3
viewPager.Adapter = new MvxViewPagerFragmentAdapter(Activity, Activity.SupportFragmentManager, fragments);

var tabLayout = view.FindViewById<TabLayout>(Resource.Id.tabs);

return view;

public class MvxFragmentStatePagerAdapter
: FragmentStatePagerAdapter
private readonly Context _context;

public IEnumerable<FragmentInfo> Fragments { get; private set; }

public override int Count
get { return Fragments.Count(); }

protected MvxFragmentStatePagerAdapter(IntPtr javaReference, JniHandleOwnership transfer)
: base(javaReference, transfer)

public MvxFragmentStatePagerAdapter(
Context context, FragmentManager fragmentManager, IEnumerable<FragmentInfo> fragments)
: base(fragmentManager)
_context = context;
Fragments = fragments;

public override Fragment GetItem(int position)
var fragmentInfo = Fragments.ElementAt(position);
var fragment = Fragment.Instantiate(_context,
((MvxFragment)fragment).ViewModel = fragmentInfo.ViewModel;
return fragment;

protected static string FragmentJavaName(Type fragmentType)
var namespaceText = fragmentType.Namespace ?? "";
if (namespaceText.Length > 0)
namespaceText = namespaceText.ToLowerInvariant() + ".";
return namespaceText + fragmentType.Name;

public override ICharSequence GetPageTitleFormatted(int position)
return new Java.Lang.String(Fragments.ElementAt(position).Title);

public class FragmentInfo
public string Title { get; set; }

public Type FragmentType { get; set; }

public IMvxViewModel ViewModel { get; set; }

Category:android Views:6 Time:2018-12-04

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