Minor change to game.exit() logic

* Revert back to preprocessor directive to exclude call to game.exit() for iOS.

spine-monogame/xamarinstudio-ios/example/spine-monogame-example.csproj

@@ -17,16 +17,17 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\iPhoneSimulator\Debug</OutputPath>
-    <DefineConstants>DEBUG;</DefineConstants>
+    <DefineConstants>DEBUG;IOS</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <ConsolePause>false</ConsolePause>
     <MtouchLink>None</MtouchLink>
     <CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
     <MtouchDebug>true</MtouchDebug>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <MtouchArch>i386</MtouchArch>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
-    <DebugType>full</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\iPhoneSimulator\Release</OutputPath>
     <ErrorReport>prompt</ErrorReport>
@@ -34,13 +35,14 @@
     <MtouchLink>None</MtouchLink>
     <ConsolePause>false</ConsolePause>
     <CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
+    <DefineConstants>IOS</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\iPhone\Debug</OutputPath>
-    <DefineConstants>DEBUG;</DefineConstants>
+    <DefineConstants>DEBUG;IOS</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <ConsolePause>false</ConsolePause>
@@ -48,9 +50,10 @@
     <MtouchDebug>true</MtouchDebug>
     <CodesignKey>iPhone Developer</CodesignKey>
     <MtouchArch>ARMv7</MtouchArch>
+    <IpaPackageName>
+    </IpaPackageName>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
-    <DebugType>full</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\iPhone\Release</OutputPath>
     <ErrorReport>prompt</ErrorReport>
@@ -59,9 +62,9 @@
     <ConsolePause>false</ConsolePause>
     <CodesignKey>iPhone Developer</CodesignKey>
     <MtouchArch>ARMv7, ARM64</MtouchArch>
+    <DefineConstants>IOS</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Ad-Hoc|iPhone' ">
-    <DebugType>full</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\iPhone\Ad-Hoc</OutputPath>
     <ErrorReport>prompt</ErrorReport>
@@ -72,9 +75,9 @@
     <CodesignProvision>Automatic:AdHoc</CodesignProvision>
     <CodesignKey>iPhone Distribution</CodesignKey>
     <MtouchArch>ARMv7, ARM64</MtouchArch>
+    <DefineConstants>IOS</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'AppStore|iPhone' ">
-    <DebugType>full</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\iPhone\AppStore</OutputPath>
     <ErrorReport>prompt</ErrorReport>
@@ -84,6 +87,7 @@
     <ConsolePause>false</ConsolePause>
     <CodesignProvision>Automatic:AppStore</CodesignProvision>
     <MtouchArch>ARMv7, ARM64</MtouchArch>
+    <DefineConstants>IOS</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />

spine-xna/example/src/ExampleGame.cs

@@ -137,7 +137,10 @@ namespace Spine {
 
 		protected override void Update (GameTime gameTime) {
 			// TODO: Add your update logic here
-
+#if (!WINDOWS_STOREAPP || WINDOWS_PHONE81) && !IOS	
+			if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
+					this.Exit();
+#endif
 			base.Update(gameTime);
 		}