[uikit] Some adjustments for watchOS and tvOS (#593)

watchOS:
!unknown-field! UIAccessibilityAssistiveTouchStatusDidChangeNotification bound
!unknown-field! UIAccessibilityHearingDevicePairedEarDidChangeNotification bound
!unknown-native-enum! UIAccessibilityCustomRotorDirection bound
!unknown-native-enum! UIAccessibilityHearingDeviceEar bound
!unknown-native-enum! UIDisplayGamut bound
!unknown-native-enum! UITextItemInteraction bound
!unknown-native-enum! UITimingCurveType bound
!unknown-native-enum! UITraitEnvironmentLayoutDirection bound
!unknown-native-enum! UIViewAnimatingPosition bound
!unknown-native-enum! UIViewAnimatingState bound

tvOS:
!unknown-field! UIAccessibilityHearingDevicePairedEarDidChangeNotification bound
!unknown-native-enum! UIAccessibilityHearingDeviceEar bound
!unknown-pinvoke! UIAccessibilityHearingDevicePairedEar bound

src/UIKit/UIAccessibility.cs

@@ -326,6 +326,7 @@ namespace XamCore.UIKit {
 			}
 		}
 
+#if !TVOS
 		[DllImport (Constants.UIKitLibrary)]
 		static extern nuint UIAccessibilityHearingDevicePairedEar ();
 
@@ -335,6 +336,7 @@ namespace XamCore.UIKit {
 				return (UIAccessibilityHearingDeviceEar)(ulong) UIAccessibilityHearingDevicePairedEar ();
 			}
 		}
+#endif
 	}
 
 

src/UIKit/UIEnums.cs

@@ -1851,6 +1851,7 @@ namespace XamCore.UIKit {
 		Custom
 	}
 
+	[NoWatch]
 	[iOS (10,0)]
 	[Native]
 	public enum UIDisplayGamut : nint
@@ -1860,6 +1861,7 @@ namespace XamCore.UIKit {
 		P3
 	}
 
+	[NoWatch]
 	[iOS (10,0)]
 	[Native]
 	public enum UITraitEnvironmentLayoutDirection : nint
@@ -1878,6 +1880,7 @@ namespace XamCore.UIKit {
 		Dark
 	}
 
+	[NoWatch]
 	[iOS (10,0)]
 	[Native]
 	public enum UITextItemInteraction : nint
@@ -1887,6 +1890,7 @@ namespace XamCore.UIKit {
 		Preview
 	}
 
+	[NoWatch]
 	[iOS (10,0)]
 	[Native]
 	public enum UIViewAnimatingState : nint
@@ -1896,6 +1900,7 @@ namespace XamCore.UIKit {
 		Stopped
 	}
 
+	[NoWatch]
 	[iOS (10,0)]
 	[Native]
 	public enum UIViewAnimatingPosition : nint
@@ -1905,6 +1910,7 @@ namespace XamCore.UIKit {
 		Current
 	}
 
+	[NoWatch]
 	[iOS (10,0)]
 	[Native]
 	public enum UITimingCurveType : nint
@@ -1915,6 +1921,8 @@ namespace XamCore.UIKit {
 		Composed
 	}
 
+	[NoWatch]
+	[NoTV]
 	[iOS(10,0)]
 	[Native]
 	public enum UIAccessibilityHearingDeviceEar : nuint {
@@ -1924,6 +1932,7 @@ namespace XamCore.UIKit {
 		Both = Left | Right
 	}
 
+	[NoWatch]
 	[iOS(10,0)]
 	[Native]
 	public enum UIAccessibilityCustomRotorDirection : nint

src/uikit.cs

@@ -1422,11 +1422,14 @@ namespace XamCore.UIKit {
 		[Field ("UIAccessibilityNotificationVoiceOverIdentifier")]
 		NSString NotificationVoiceOverIdentifier { get; }
 
+		[NoWatch]
+		[NoTV]
 		[iOS (10,0)]
 		[Notification]
 		[Field ("UIAccessibilityHearingDevicePairedEarDidChangeNotification")]
 		NSString HearingDevicePairedEarDidChangeNotification { get; }
 
+		[NoWatch]
 		[iOS (10,0)]
 		[Notification]
 		[Field ("UIAccessibilityAssistiveTouchStatusDidChangeNotification")]
@@ -5057,6 +5060,7 @@ namespace XamCore.UIKit {
 		[Internal] // bug 25511
 		IntPtr _GetPreferredFontForTextStyle (NSString uiFontTextStyle);
 
+		// FIXME [Watch (3,0)] the API is present but UITraitCollection is not exposed / rdar 27785753
 #if !WATCH
 		[iOS (10,0)]
 		[Static]
@@ -5150,6 +5154,7 @@ namespace XamCore.UIKit {
 		[Static, Export ("preferredFontDescriptorWithTextStyle:")]
 		UIFontDescriptor GetPreferredDescriptorForTextStyle (NSString uiFontTextStyle);
 
+		// FIXME [Watch (3,0)] the API is present but UITraitCollection is not exposed / rdar #27785753
 #if !WATCH
 		[iOS (10,0)]
 		[Static]