Android Fragment for SetRootViewModel and PushViewModel like iOS UINavigationController

FragmentPushShow.cs

public void SetRootFragment(BaseFragment fragment)
{
    //clear all
    SupportFragmentManager.PopBackStackImmediate(null, Android.Support.V4.App.FragmentManager.PopBackStackInclusive);

    //replace
    SupportFragmentManager.BeginTransaction()
.Replace(Resource.Id.content_frame, fragment)
.CommitAllowingStateLoss();
}

public void PushFragment(BaseFragment fragment)
{
    SupportFragmentManager.BeginTransaction()
.Replace(Resource.Id.content_frame, fragment)
.AddToBackStack(null)
.CommitAllowingStateLoss();
}