Fragment InstantiateFragment <T>() where T : MvxFragment
{
var fragment = (MvxFragment)Fragment.Instantiate(activity, Class.FromType(typeof(T)).Name);
fragment.DataContext = Mvx.Resolve(typeof(T).GetProperties().First(p => p.Name == "ViewModel").PropertyType);
return(fragment);
}
private void SetupViewPager()
{
adapter = new ViewPagerAdapter(SupportFragmentManager);
adapter.AddFragment(Fragment.Instantiate(this, Class.FromType(typeof(SearchFragment)).Name), Resources.GetString(Resource.String.FragmentSearch));
adapter.AddFragment(Fragment.Instantiate(this, Class.FromType(typeof(MatchFragment)).Name), Resources.GetString(Resource.String.FragmentMatch));
//adapter.AddFragment(Fragment.Instantiate(this, Class.FromType(typeof(DesignFragment)).Name), Resources.GetString(Resource.String.FragmentDesign));
adapter.AddFragment(Fragment.Instantiate(this, Class.FromType(typeof(MyClothesFragment)).Name), Resources.GetString(Resource.String.FragmentMyClothes));
viewPager.Adapter = adapter;
}
public override Fragment GetItem(int position)
{
var fragmentInfo = Fragments.ElementAt(position);
var fragment = Fragment.Instantiate(_context,
FragmentJavaName(fragmentInfo.FragmentType));
((MvxFragment)fragment).ViewModel = fragmentInfo.ViewModel;
return(fragment);
}
public override Fragment GetItem(int position)
{
var fragInfo = Fragments.ElementAt(position);
if (fragInfo.CachedFragment == null)
{
fragInfo.CachedFragment = Fragment.Instantiate(_context, FragmentJavaName(fragInfo.FragmentType));
var request = new MvxViewModelRequest(fragInfo.ViewModelType, null, null);
((IMvxView)fragInfo.CachedFragment).ViewModel = Mvx.Resolve <IMvxViewModelLoader>().LoadViewModel(request, null);
}
return(fragInfo.CachedFragment);
}
/// <summary>
/// Show Fragment with a specific tag at a specific placeholder
/// </summary>
/// <param name="tag">The tag for the fragment to lookup</param>
/// <param name="contentId">Where you want to show the Fragment</param>
/// <param name="bundle">Bundle which usually contains a Serialized MvxViewModelRequest</param>
/// <param name="forceAddToBackStack">If you want to force add the fragment to the backstack so on backbutton it will go back to it. Note: This will override IMvxCachedFragmentInfo.AddToBackStack configuration.</param>
/// <param name="forceReplaceFragment">If you want the fragment to be re-created</param>
protected virtual void ShowFragment(string tag, int contentId, Bundle bundle, bool forceAddToBackStack = false, bool forceReplaceFragment = false)
{
IMvxCachedFragmentInfo fragInfo;
FragmentCacheConfiguration.TryGetValue(tag, out fragInfo);
IMvxCachedFragmentInfo currentFragInfo = null;
var currentFragment = SupportFragmentManager.FindFragmentById(contentId);
if (currentFragment != null)
{
FragmentCacheConfiguration.TryGetValue(currentFragment.Tag, out currentFragInfo);
}
if (fragInfo == null)
{
throw new MvxException("Could not find tag: {0} in cache, you need to register it first.", tag);
}
// We shouldn't replace the current fragment unless we really need to.
FragmentReplaceMode fragmentReplaceMode = FragmentReplaceMode.ReplaceFragmentAndViewModel;
if (!forceReplaceFragment)
{
fragmentReplaceMode = ShouldReplaceCurrentFragment(fragInfo, currentFragInfo, bundle);
}
if (fragmentReplaceMode == FragmentReplaceMode.NoReplace)
{
return;
}
var ft = SupportFragmentManager.BeginTransaction();
OnBeforeFragmentChanging(fragInfo, ft);
fragInfo.ContentId = contentId;
//If we already have a previously created fragment, we only need to send the new parameters
if (fragInfo.CachedFragment != null && fragmentReplaceMode == FragmentReplaceMode.ReplaceFragment)
{
((Fragment)fragInfo.CachedFragment).Arguments.Clear();
((Fragment)fragInfo.CachedFragment).Arguments.PutAll(bundle);
}
else
{
//Otherwise, create one and cache it
fragInfo.CachedFragment = Fragment.Instantiate(this, FragmentJavaName(fragInfo.FragmentType),
bundle) as IMvxFragmentView;
OnFragmentCreated(fragInfo, ft);
}
ft.Replace(fragInfo.ContentId, fragInfo.CachedFragment as Fragment, fragInfo.Tag);
//if replacing ViewModel then clear the cache after the fragment
//has been added to the transaction so that the Tag property is not null
//and the UniqueImmutableCacheTag property (if not overridden) has the correct value
if (fragmentReplaceMode == FragmentReplaceMode.ReplaceFragmentAndViewModel)
{
var cache = Mvx.GetSingleton <IMvxMultipleViewModelCache>();
cache.GetAndClear(fragInfo.ViewModelType, GetTagFromFragment(fragInfo.CachedFragment as Fragment));
}
if ((currentFragment != null && fragInfo.AddToBackStack) || forceAddToBackStack)
{
ft.AddToBackStack(fragInfo.Tag);
}
OnFragmentChanging(fragInfo, ft);
ft.Commit();
SupportFragmentManager.ExecutePendingTransactions();
OnFragmentChanged(fragInfo);
}
