Revert "Deprecate iOS 8 and earlier (#626)"

This reverts commit c4b1c88f506ebf76a2a40f005b45ec9b24e46e1a.

13 files changed, 161 insertions, 40 deletions

diff --git a/Xamarin.Forms.Platform.iOS/Renderers/ButtonRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/ButtonRenderer.cs
index 9942623f..8d043bac 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/ButtonRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/ButtonRenderer.cs
@@ -82,6 +82,8 @@ namespace Xamarin.Forms.Platform.iOS
 				UpdateFont();
 			else if (e.PropertyName == Button.BorderWidthProperty.PropertyName || e.PropertyName == Button.BorderRadiusProperty.PropertyName || e.PropertyName == Button.BorderColorProperty.PropertyName)
 				UpdateBorder();
+			else if (e.PropertyName == VisualElement.BackgroundColorProperty.PropertyName)
+				UpdateBackgroundVisibility();
 			else if (e.PropertyName == Button.ImageProperty.PropertyName)
 				UpdateImage();
 		}
@@ -91,6 +93,18 @@ namespace Xamarin.Forms.Platform.iOS
 			((IButtonController)Element)?.SendClicked();
 		}
 
+		void UpdateBackgroundVisibility()
+		{
+			if (Forms.IsiOS7OrNewer)
+				return;
+
+			var model = Element;
+			var shouldDrawImage = model.BackgroundColor == Color.Default;
+
+			foreach (var control in Control.Subviews.Where(sv => !(sv is UILabel)))
+				control.Alpha = shouldDrawImage ? 1.0f : 0.0f;
+		}
+
 		void UpdateBorder()
 		{
 			var uiButton = Control;
@@ -101,6 +115,8 @@ namespace Xamarin.Forms.Platform.iOS
 
 			uiButton.Layer.BorderWidth = Math.Max(0f, (float)button.BorderWidth);
 			uiButton.Layer.CornerRadius = button.BorderRadius;
+
+			UpdateBackgroundVisibility();
 		}
 
 		void UpdateFont()
@@ -126,7 +142,10 @@ namespace Xamarin.Forms.Platform.iOS
 				UIButton button = Control;
 				if (button != null && uiimage != null)
 				{
-					button.SetImage(uiimage.ImageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal), UIControlState.Normal);
+					if (Forms.IsiOS7OrNewer)
+						button.SetImage(uiimage.ImageWithRenderingMode(UIImageRenderingMode.AlwaysOriginal), UIControlState.Normal);
+					else
+						button.SetImage(uiimage, UIControlState.Normal);
 
 					button.ImageView.ContentMode = UIViewContentMode.ScaleAspectFit;
 
@@ -165,7 +184,9 @@ namespace Xamarin.Forms.Platform.iOS
 				Control.SetTitleColor(Element.TextColor.ToUIColor(), UIControlState.Normal);
 				Control.SetTitleColor(Element.TextColor.ToUIColor(), UIControlState.Highlighted);
 				Control.SetTitleColor(_buttonTextColorDefaultDisabled, UIControlState.Disabled);
-				Control.TintColor = Element.TextColor.ToUIColor();
+
+				if (Forms.IsiOS7OrNewer)
+					Control.TintColor = Element.TextColor.ToUIColor();
 			}
 		}
 
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/CarouselPageRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/CarouselPageRenderer.cs
index f1364de7..58587e83 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/CarouselPageRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/CarouselPageRenderer.cs
@@ -22,6 +22,8 @@ namespace Xamarin.Forms.Platform.iOS
 
 		public CarouselPageRenderer()
 		{
+			if (!Forms.IsiOS7OrNewer)
+				WantsFullScreenLayout = true;
 		}
 
 		IElementController ElementController => Element as IElementController;
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/EditorRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/EditorRenderer.cs
index 96e8933b..8819ba33 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/EditorRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/EditorRenderer.cs
@@ -13,7 +13,12 @@ namespace Xamarin.Forms.Platform.iOS
 
 		public override SizeRequest GetDesiredSize(double widthConstraint, double heightConstraint)
 		{
-			return base.GetDesiredSize(Math.Min(widthConstraint, 2000), Math.Min(heightConstraint, 2000));
+			if (!Forms.IsiOS7OrNewer)
+			{
+				// Avoid crash iOS 6. iOS 6, I hate you. Why you no like Infinite size?
+				return base.GetDesiredSize(Math.Min(widthConstraint, 2000), Math.Min(heightConstraint, 2000));
+			}
+			return base.GetDesiredSize(widthConstraint, heightConstraint);
 		}
 
 		protected override void Dispose(bool disposing)
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/FontExtensions.cs b/Xamarin.Forms.Platform.iOS/Renderers/FontExtensions.cs
index 6a6eb636..ae16c662 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/FontExtensions.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/FontExtensions.cs
@@ -41,7 +41,7 @@ namespace Xamarin.Forms.Platform.iOS
 			{
 				try
 				{
-					if (UIFont.FamilyNames.Contains(self.FontFamily))
+					if (UIFont.FamilyNames.Contains(self.FontFamily) && Forms.IsiOS7OrNewer)
 					{
 						var descriptor = new UIFontDescriptor().CreateWithFamily(self.FontFamily);
 
@@ -67,6 +67,12 @@ namespace Xamarin.Forms.Platform.iOS
 			}
 			if (bold && italic)
 			{
+				if (!Forms.IsiOS7OrNewer)
+				{
+					// not sure how to make a font both bold and italic in iOS 6, default to bold
+					return UIFont.BoldSystemFontOfSize(size);
+				}
+
 				var defaultFont = UIFont.SystemFontOfSize(size);
 				var descriptor = defaultFont.FontDescriptor.CreateWithTraits(UIFontDescriptorSymbolicTraits.Bold | UIFontDescriptorSymbolicTraits.Italic);
 				return UIFont.FromDescriptor(descriptor, 0);
@@ -104,7 +110,7 @@ namespace Xamarin.Forms.Platform.iOS
 				try
 				{
 					UIFont result;
-					if (UIFont.FamilyNames.Contains(family))
+					if (UIFont.FamilyNames.Contains(family) && Forms.IsiOS7OrNewer)
 					{
 						var descriptor = new UIFontDescriptor().CreateWithFamily(family);
 
@@ -136,6 +142,13 @@ namespace Xamarin.Forms.Platform.iOS
 			if (bold && italic)
 			{
 				var defaultFont = UIFont.SystemFontOfSize(size);
+
+				if (!Forms.IsiOS7OrNewer)
+				{
+					// not sure how to make a font both bold and italic in iOS 6, default to bold
+					return UIFont.BoldSystemFontOfSize(size);
+				}
+
 				var descriptor = defaultFont.FontDescriptor.CreateWithTraits(UIFontDescriptorSymbolicTraits.Bold | UIFontDescriptorSymbolicTraits.Italic);
 				return UIFont.FromDescriptor(descriptor, 0);
 			}
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/ListViewRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/ListViewRenderer.cs
index db57570d..39136327 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/ListViewRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/ListViewRenderer.cs
@@ -184,7 +184,8 @@ namespace Xamarin.Forms.Platform.iOS
 				{
 					_tableViewController = new FormsUITableViewController(e.NewElement);
 					SetNativeControl(_tableViewController.TableView);
-					Control.CellLayoutMarginsFollowReadableWidth = false;
+					if (Forms.IsiOS9OrNewer)
+						Control.CellLayoutMarginsFollowReadableWidth = false;
 
 					_insetTracker = new KeyboardInsetTracker(_tableViewController.TableView, () => Control.Window, insets => Control.ContentInset = Control.ScrollIndicatorInsets = insets, point =>
 					{
@@ -369,7 +370,8 @@ namespace Xamarin.Forms.Platform.iOS
 			}
 			else
 			{
-				Control.EstimatedRowHeight = 0;
+				if (Forms.IsiOS7OrNewer)
+					Control.EstimatedRowHeight = 0;
 				_estimatedRowHeight = true;
 			}
 		}
@@ -558,9 +560,10 @@ namespace Xamarin.Forms.Platform.iOS
 		void UpdateRowHeight()
 		{
 			var rowHeight = Element.RowHeight;
-			if (Element.HasUnevenRows && rowHeight == -1)
+			if (Element.HasUnevenRows && rowHeight == -1 && Forms.IsiOS7OrNewer)
 			{
-				Control.RowHeight = UITableView.AutomaticDimension;
+				if (Forms.IsiOS8OrNewer)
+					Control.RowHeight = UITableView.AutomaticDimension;
 			}
 			else
 				Control.RowHeight = rowHeight <= 0 ? DefaultRowHeight : rowHeight;
@@ -610,7 +613,9 @@ namespace Xamarin.Forms.Platform.iOS
 				if (List.RowHeight == -1 && cell.Height == -1 && cell is ViewCell)
 				{
 					// only doing ViewCell because its the only one that matters (the others dont adjust ANYWAY)
-					return UITableView.AutomaticDimension;
+					if (Forms.IsiOS8OrNewer)
+						return UITableView.AutomaticDimension;
+					return CalculateHeightForCell(tableView, cell);
 				}
 
 				var renderHeight = cell.RenderHeight;
@@ -676,7 +681,7 @@ namespace Xamarin.Forms.Platform.iOS
 			{
 				_uiTableViewController = uiTableViewController;
 				_uiTableView = uiTableViewController.TableView;
-				_defaultSectionHeight = DefaultRowHeight;
+				_defaultSectionHeight = Forms.IsiOS8OrNewer ? DefaultRowHeight : _uiTableView.SectionHeaderHeight;
 				List = list;
 				List.ItemSelected += OnItemSelected;
 				UpdateShortNameListener();
@@ -1002,7 +1007,8 @@ namespace Xamarin.Forms.Platform.iOS
 
 		public FormsUITableViewController(ListView element)
 		{
-			TableView.CellLayoutMarginsFollowReadableWidth = false;
+			if (Forms.IsiOS9OrNewer)
+				TableView.CellLayoutMarginsFollowReadableWidth = false;
 			_refresh = new UIRefreshControl();
 			_refresh.ValueChanged += OnRefreshingChanged;
 			_list = element;
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/NavigationRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/NavigationRenderer.cs
index 60ae1853..adf32192 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/NavigationRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/NavigationRenderer.cs
@@ -182,7 +182,13 @@ namespace Xamarin.Forms.Platform.iOS
 		{
 			base.ViewDidLoad();
 
-			UpdateTranslucent();
+			if (Forms.IsiOS7OrNewer)
+			{
+				
+				UpdateTranslucent();
+			}
+			else
+				WantsFullScreenLayout = false;
 
 			_secondaryToolbar = new SecondaryToolbar { Frame = new RectangleF(0, 0, 320, 44) };
 			View.Add(_secondaryToolbar);
@@ -448,6 +454,11 @@ namespace Xamarin.Forms.Platform.iOS
 
 		void UpdateTranslucent()
 		{
+			if (!Forms.IsiOS7OrNewer)
+			{
+				return;
+			}
+
 			NavigationBar.Translucent = ((NavigationPage)Element).OnThisPlatform().IsNavigationBarTranslucent();
 		}
 
@@ -560,9 +571,18 @@ namespace Xamarin.Forms.Platform.iOS
 		{
 			var barBackgroundColor = ((NavigationPage)Element).BarBackgroundColor;
 			// Set navigation bar background color
-			NavigationBar.BarTintColor = barBackgroundColor == Color.Default 
-				? UINavigationBar.Appearance.BarTintColor 
-				: barBackgroundColor.ToUIColor();
+			if (Forms.IsiOS7OrNewer)
+			{
+				NavigationBar.BarTintColor = barBackgroundColor == Color.Default
+					? UINavigationBar.Appearance.BarTintColor
+					: barBackgroundColor.ToUIColor();
+			}
+			else
+			{
+				NavigationBar.TintColor = barBackgroundColor == Color.Default
+					? UINavigationBar.Appearance.TintColor
+					: barBackgroundColor.ToUIColor();
+			}
 		}
 
 		void UpdateBarTextColor()
@@ -596,9 +616,12 @@ namespace Xamarin.Forms.Platform.iOS
 			var statusBarColorMode = (Element as NavigationPage).OnThisPlatform().GetStatusBarTextColorMode();
 
 			// set Tint color (i. e. Back Button arrow and Text)
-			NavigationBar.TintColor = barTextColor == Color.Default || statusBarColorMode == StatusBarTextColorMode.DoNotAdjust
+			if (Forms.IsiOS7OrNewer)
+			{
+				NavigationBar.TintColor = barTextColor == Color.Default || statusBarColorMode == StatusBarTextColorMode.DoNotAdjust
 					? UINavigationBar.Appearance.TintColor
 					: barTextColor.ToUIColor();
+			}
 
 			if (statusBarColorMode == StatusBarTextColorMode.DoNotAdjust || barTextColor.Luminosity <= 0.5)
 			{
@@ -656,13 +679,18 @@ namespace Xamarin.Forms.Platform.iOS
 #pragma warning disable 0618 //retaining legacy call to obsolete code
 			var tintColor = ((NavigationPage)Element).Tint;
 #pragma warning restore 0618
-			NavigationBar.BarTintColor = tintColor == Color.Default
-				? UINavigationBar.Appearance.BarTintColor
-				: tintColor.ToUIColor();
-			if (tintColor == Color.Default)
-				NavigationBar.TintColor = UINavigationBar.Appearance.TintColor;
+			if (Forms.IsiOS7OrNewer)
+			{
+				NavigationBar.BarTintColor = tintColor == Color.Default
+					? UINavigationBar.Appearance.BarTintColor
+					: tintColor.ToUIColor();
+				if (tintColor == Color.Default)
+					NavigationBar.TintColor = UINavigationBar.Appearance.TintColor;
+				else
+					NavigationBar.TintColor = tintColor.Luminosity > 0.5 ? UIColor.Black : UIColor.White;
+			}
 			else
-				NavigationBar.TintColor = tintColor.Luminosity > 0.5 ? UIColor.Black : UIColor.White;
+				NavigationBar.TintColor = tintColor == Color.Default ? null : tintColor.ToUIColor();
 		}
 
 		void UpdateToolBarVisible()
@@ -748,7 +776,9 @@ namespace Xamarin.Forms.Platform.iOS
 
 			public ParentingViewController(NavigationRenderer navigation)
 			{
-				AutomaticallyAdjustsScrollViewInsets = false;
+				if (Forms.IsiOS7OrNewer)
+					AutomaticallyAdjustsScrollViewInsets = false;
+
 				_navigation = new WeakReference<NavigationRenderer>(navigation);
 			}
 
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/PageRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/PageRenderer.cs
index e2455d78..1f7408b7 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/PageRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/PageRenderer.cs
@@ -19,6 +19,8 @@ namespace Xamarin.Forms.Platform.iOS
 
 		public PageRenderer()
 		{
+			if (!Forms.IsiOS7OrNewer)
+				WantsFullScreenLayout = true;
 		}
 
 		void IEffectControlProvider.RegisterEffect(Effect effect)
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/PhoneMasterDetailRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/PhoneMasterDetailRenderer.cs
index 501312cd..627bec7f 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/PhoneMasterDetailRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/PhoneMasterDetailRenderer.cs
@@ -28,6 +28,8 @@ namespace Xamarin.Forms.Platform.iOS
 
 		public PhoneMasterDetailRenderer()
 		{
+			if (!Forms.IsiOS7OrNewer)
+				WantsFullScreenLayout = true;
 		}
 
 		IMasterDetailPageController MasterDetailPageController => Element as IMasterDetailPageController;
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/SearchBarRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/SearchBarRenderer.cs
index a9af856f..8c54702f 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/SearchBarRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/SearchBarRenderer.cs
@@ -106,9 +106,17 @@ namespace Xamarin.Forms.Platform.iOS
 				return;
 
 			if (_defaultTintColor == null)
-				_defaultTintColor = Control.BarTintColor;
+			{
+				if (Forms.IsiOS7OrNewer)
+					_defaultTintColor = Control.BarTintColor;
+				else
+					_defaultTintColor = Control.TintColor;
+			}
 
-			Control.BarTintColor = color.ToUIColor(_defaultTintColor);
+			if (Forms.IsiOS7OrNewer)
+				Control.BarTintColor = color.ToUIColor(_defaultTintColor);
+			else
+				Control.TintColor = color.ToUIColor(_defaultTintColor);
 
 			if (color.A < 1)
 				Control.SetBackgroundImage(new UIImage(), UIBarPosition.Any, UIBarMetrics.Default);
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/TabbedRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/TabbedRenderer.cs
index f7ca834c..c6c07370 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/TabbedRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/TabbedRenderer.cs
@@ -134,6 +134,14 @@ namespace Xamarin.Forms.Platform.iOS
 			_loaded = true;
 		}
 
+		public override void ViewDidLoad()
+		{
+			base.ViewDidLoad();
+
+			if (!Forms.IsiOS7OrNewer)
+				WantsFullScreenLayout = false;
+		}
+
 		protected override void Dispose(bool disposing)
 		{
 			if (disposing)
@@ -306,14 +314,25 @@ namespace Xamarin.Forms.Platform.iOS
 
 			if (!_defaultBarColorSet)
 			{
-				_defaultBarColor = TabBar.BarTintColor;
+				if (Forms.IsiOS7OrNewer)
+					_defaultBarColor = TabBar.BarTintColor;
+				else
+					_defaultBarColor = TabBar.TintColor;
+
 				_defaultBarColorSet = true;
 			}
 
 			if (!isDefaultColor)
 				_barBackgroundColorWasSet = true;
 
-			TabBar.BarTintColor = isDefaultColor ? _defaultBarColor : barBackgroundColor.ToUIColor();
+			if (Forms.IsiOS7OrNewer)
+			{
+				TabBar.BarTintColor = isDefaultColor ? _defaultBarColor : barBackgroundColor.ToUIColor();
+			}
+			else
+			{
+				TabBar.TintColor = isDefaultColor ? _defaultBarColor : barBackgroundColor.ToUIColor();
+			}
 		}
 
 		void UpdateBarTextColor()
@@ -348,7 +367,12 @@ namespace Xamarin.Forms.Platform.iOS
 				item.SetTitleTextAttributes(attributes, UIControlState.Normal);
 			}
 
-			TabBar.TintColor = isDefaultColor ? _defaultBarTextColor : barTextColor.ToUIColor();
+			// set TintColor for selected icon
+			// setting the unselected icon tint is not supported by iOS
+			if (Forms.IsiOS7OrNewer)
+			{
+				TabBar.TintColor = isDefaultColor ? _defaultBarTextColor : barTextColor.ToUIColor();
+			}
 		}
 
 		void UpdateChildrenOrderIndex(UIViewController[] viewControllers)
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/TableViewModelRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/TableViewModelRenderer.cs
index 2a754586..4a9f694d 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/TableViewModelRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/TableViewModelRenderer.cs
@@ -137,11 +137,10 @@ namespace Xamarin.Forms.Platform.iOS
 			var cell = View.Model.GetCell(indexPath.Section, indexPath.Row);
 			var h = cell.Height;
 
-			if (View.RowHeight == -1 && h == -1 && cell is ViewCell)
+			if (View.RowHeight == -1 && h == -1 && cell is ViewCell && Forms.IsiOS8OrNewer) {
 				return UITableView.AutomaticDimension;
-			else if (h == -1)
+			} else if (h == -1)
 				return tableView.RowHeight;
-
 			return (nfloat)h;
 		}
 	}
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/TableViewRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/TableViewRenderer.cs
index 0009acea..725ef51f 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/TableViewRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/TableViewRenderer.cs
@@ -73,7 +73,8 @@ namespace Xamarin.Forms.Platform.iOS
 					_originalBackgroundView = tv.BackgroundView;
 
 					SetNativeControl(tv);
-					tv.CellLayoutMarginsFollowReadableWidth = false;
+					if (Forms.IsiOS9OrNewer)
+						tv.CellLayoutMarginsFollowReadableWidth = false;
 
 					_insetTracker = new KeyboardInsetTracker(tv, () => Control.Window, insets => Control.ContentInset = Control.ScrollIndicatorInsets = insets, point =>
 					{
@@ -133,9 +134,10 @@ namespace Xamarin.Forms.Platform.iOS
 		void UpdateRowHeight()
 		{
 			var rowHeight = Element.RowHeight;
-			if (Element.HasUnevenRows && rowHeight == -1)
-				Control.RowHeight = UITableView.AutomaticDimension;
-			else
+			if (Element.HasUnevenRows && rowHeight == -1 && Forms.IsiOS7OrNewer) {
+				if (Forms.IsiOS8OrNewer)
+					Control.RowHeight = UITableView.AutomaticDimension;
+			} else
 				Control.RowHeight = rowHeight <= 0 ? DefaultRowHeight : rowHeight;
 		}
 
@@ -145,7 +147,8 @@ namespace Xamarin.Forms.Platform.iOS
 			if (Element.HasUnevenRows && rowHeight == -1) {
 				Control.EstimatedRowHeight = DefaultRowHeight;
 			} else {
-				Control.EstimatedRowHeight = 0;
+				if (Forms.IsiOS7OrNewer)
+					Control.EstimatedRowHeight = 0;
 			}
 		}
 	}
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/TabletMasterDetailRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/TabletMasterDetailRenderer.cs
index 9f0dff00..e72b243b 100644
--- a/Xamarin.Forms.Platform.iOS/Renderers/TabletMasterDetailRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Renderers/TabletMasterDetailRenderer.cs
@@ -223,8 +223,11 @@ namespace Xamarin.Forms.Platform.iOS
 			if (!MasterDetailPageController.ShouldShowSplitMode && _masterVisible)
 			{
 				MasterDetailPageController.CanChangeIsPresented = true;
-				PreferredDisplayMode = UISplitViewControllerDisplayMode.PrimaryHidden;
-				PreferredDisplayMode = UISplitViewControllerDisplayMode.Automatic;
+				if (Forms.IsiOS8OrNewer)
+				{
+					PreferredDisplayMode = UISplitViewControllerDisplayMode.PrimaryHidden;
+					PreferredDisplayMode = UISplitViewControllerDisplayMode.Automatic;
+				}
 			}
 
 			MasterDetailPageController.UpdateMasterBehavior();
@@ -304,7 +307,10 @@ namespace Xamarin.Forms.Platform.iOS
 
 		void PerformButtonSelector()
 		{
-			DisplayModeButtonItem.Target.PerformSelector(DisplayModeButtonItem.Action, DisplayModeButtonItem, 0);
+			if (Forms.IsiOS8OrNewer)
+				DisplayModeButtonItem.Target.PerformSelector(DisplayModeButtonItem.Action, DisplayModeButtonItem, 0);
+			else
+				PresentButton.Target.PerformSelector(PresentButton.Action, PresentButton, 0);
 		}
 
 		void ToggleMaster()