Merge pull request #296 from thefex/backstack_flag_not_respected_when_fragment_is_in_cache

AddToBackstack Flag not respected fix.

Author: martijn00

MvvmCross.Droid.Support.V4/MvxCachingFragmentActivity.cs

@@ -258,10 +258,10 @@ protected virtual void ShowFragment(string tag, int contentId, Bundle bundle, bo
 				//Otherwise, create one and cache it
 				fragInfo.CachedFragment = Fragment.Instantiate(this, FragmentJavaName(fragInfo.FragmentType),
 					bundle) as IMvxFragmentView;
-                currentFragment = fragInfo.CachedFragment as Fragment;
 				OnFragmentCreated(fragInfo, ft);
 			}
 
+			currentFragment = fragInfo.CachedFragment as Fragment;
 			ft.Replace(fragInfo.ContentId, fragInfo.CachedFragment as Fragment, fragInfo.Tag);
 
 			//if replacing ViewModel then clear the cache after the fragment

MvvmCross.Droid.Support.V7.AppCompat/MvxCachingFragmentCompatActivity.cs

@@ -219,6 +219,7 @@ protected virtual void ShowFragment(string tag, int contentId, Bundle bundle, bo
 				OnFragmentCreated(fragInfo, ft);
 			}
 
+			currentFragment = fragInfo.CachedFragment as Fragment;
 			ft.Replace(fragInfo.ContentId, fragInfo.CachedFragment as Fragment, fragInfo.Tag);
 
 			//if replacing ViewModel then clear the cache after the fragment