[IntoToAppearance]Adding new sample for docs purposes

IntroToAppearance/AppDelegate.cs

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+using Foundation;
+using UIKit;
+
+namespace Appearance {
+	/// <summary>
+	/// Sizes the window according to the screen, for iPad as well as iPhone support
+	/// </summary>
+	[Register ("AppDelegate")]
+	public class AppDelegate : UIApplicationDelegate {
+		UIWindow window;
+		UINavigationController navigationController;
+		AppearanceViewController v;
+		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
+		{
+			v = new AppearanceViewController();
+			navigationController = new UINavigationController();
+			navigationController.PushViewController (v, false);
+
+			
+			UINavigationBar.Appearance.TintColor = UIColor.FromRGB(0, 127, 70); // light green
+
+
+			window = new UIWindow (UIScreen.MainScreen.Bounds);	
+			window.BackgroundColor = UIColor.FromRGB(240,240,240);
+			window.Bounds = UIScreen.MainScreen.Bounds;
+			window.AddSubview(navigationController.View);
+            window.MakeKeyAndVisible ();
+			return true;
+		}
+	}
+}

IntroToAppearance/Appearance.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
+    <ProductVersion>8.0.30703</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{367D4ECC-D04A-41FB-A784-4D10F30666C8}</ProjectGuid>
+    <ProjectTypeGuids>{FEACFBD2-3405-455C-9665-78FE426C6842};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>Appearance</RootNamespace>
+    <TargetFrameworkIdentifier>Xamarin.iOS</TargetFrameworkIdentifier>
+    <TargetFrameworkVersion>v1.0</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhoneSimulator' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\bin\Appearance\iPhoneSimulator\Debug</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchDebug>true</MtouchDebug>
+    <ConsolePause>false</ConsolePause>
+    <MtouchI18n>
+    </MtouchI18n>
+    <AssemblyName>Twitter</AssemblyName>
+    <MtouchSdkVersion>8.3</MtouchSdkVersion>
+    <MtouchLink>None</MtouchLink>
+    <MtouchArch>i386</MtouchArch>
+    <MtouchUseRefCounting>true</MtouchUseRefCounting>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\bin\Appearance\iPhoneSimulator\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchLink>None</MtouchLink>
+    <ConsolePause>false</ConsolePause>
+    <MtouchI18n>
+    </MtouchI18n>
+    <AssemblyName>Twitter</AssemblyName>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Debug</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchDebug>true</MtouchDebug>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <ConsolePause>false</ConsolePause>
+    <AssemblyName>Appearance</AssemblyName>
+    <MtouchSdkVersion>5.0</MtouchSdkVersion>
+    <BuildIpa>true</BuildIpa>
+    <IpaPackageName>
+    </IpaPackageName>
+    <MtouchI18n>
+    </MtouchI18n>
+    <MtouchLink>None</MtouchLink>
+    <MtouchArch>ARMv7</MtouchArch>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <ConsolePause>false</ConsolePause>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <AssemblyName>FileSystem</AssemblyName>
+    <MtouchArch>ARMv7, ARM64</MtouchArch>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Core" />
+    <Reference Include="Xamarin.iOS" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Main.cs" />
+    <Compile Include="AppDelegate.cs" />
+    <Compile Include="AppearanceViewController.cs" />
+    <Compile Include="BlackViewController.cs" />
+    <Compile Include="BlueViewController.cs" />
+    <Compile Include="PlainView.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Info.plist" />
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
+  <ItemGroup>
+    <BundleResource Include="Resources\Default-568h%402x.png" />
+    <BundleResource Include="Resources\Icon-76%402x.png" />
+    <BundleResource Include="Resources\Icon-76.png" />
+    <BundleResource Include="Resources\Icon-72%402x.png" />
+    <BundleResource Include="Resources\Icon-72.png" />
+    <BundleResource Include="Resources\Icon-60%402x.png" />
+    <BundleResource Include="Resources\Icon%402x.png" />
+    <BundleResource Include="Resources\Icon.png" />
+  </ItemGroup>
+</Project>

IntroToAppearance/Appearance.sln

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+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Appearance", "Appearance.csproj", "{367D4ECC-D04A-41FB-A784-4D10F30666C8}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|iPhoneSimulator = Debug|iPhoneSimulator
+		Release|iPhoneSimulator = Release|iPhoneSimulator
+		Debug|iPhone = Debug|iPhone
+		Release|iPhone = Release|iPhone
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{367D4ECC-D04A-41FB-A784-4D10F30666C8}.Debug|iPhone.ActiveCfg = Debug|iPhone
+		{367D4ECC-D04A-41FB-A784-4D10F30666C8}.Debug|iPhone.Build.0 = Debug|iPhone
+		{367D4ECC-D04A-41FB-A784-4D10F30666C8}.Debug|iPhoneSimulator.ActiveCfg = Debug|iPhoneSimulator
+		{367D4ECC-D04A-41FB-A784-4D10F30666C8}.Debug|iPhoneSimulator.Build.0 = Debug|iPhoneSimulator
+		{367D4ECC-D04A-41FB-A784-4D10F30666C8}.Release|iPhone.ActiveCfg = Release|iPhone
+		{367D4ECC-D04A-41FB-A784-4D10F30666C8}.Release|iPhone.Build.0 = Release|iPhone
+		{367D4ECC-D04A-41FB-A784-4D10F30666C8}.Release|iPhoneSimulator.ActiveCfg = Release|iPhoneSimulator
+		{367D4ECC-D04A-41FB-A784-4D10F30666C8}.Release|iPhoneSimulator.Build.0 = Release|iPhoneSimulator
+	EndGlobalSection
+	GlobalSection(MonoDevelopProperties) = preSolution
+		StartupItem = Appearance.csproj
+	EndGlobalSection
+EndGlobal

IntroToAppearance/AppearanceViewController.cs

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+using System;
+using CoreGraphics;
+using System.Linq;
+using UIKit;
+using Foundation;
+using CoreImage;
+
+namespace Appearance
+{
+	/// <summary>
+	/// View containing Buttons, TextView and ImageViews to show off the samples
+	/// </summary>
+	/// <remarks>
+	/// See the 'SampleCode.cs' file for the actual sample code
+	/// </remarks> 
+	public class AppearanceViewController : UIViewController
+	{
+		UIButton btnBlack, btnBlue;
+		UISlider slider, slider2;
+		UIProgressView progress, progress2;
+		UILabel overrideLabel;
+
+		public AppearanceViewController () {
+
+		// Set the default appearance values
+		UIButton.Appearance.TintColor = UIColor.LightGray;
+		UIButton.Appearance.SetTitleColor(UIColor.FromRGB(0,127,14), UIControlState.Normal);
+			
+		UISlider.Appearance.ThumbTintColor = UIColor.Red;
+		UISlider.Appearance.MinimumTrackTintColor = UIColor.Orange;
+		UISlider.Appearance.MaximumTrackTintColor = UIColor.Yellow;
+			
+		UIProgressView.Appearance.ProgressTintColor = UIColor.Yellow;
+		UIProgressView.Appearance.TrackTintColor = UIColor.Orange;
+
+
+
+			btnBlack = UIButton.FromType(UIButtonType.System);
+			btnBlue = UIButton.FromType(UIButtonType.System);
+		slider = new UISlider(new CGRect(10,110,300, 30));
+		slider2 = new UISlider(new CGRect(10,260,300, 30));
+
+			// Wire up the buttons to the SampleCode class methods
+			btnBlack.TouchUpInside += (sender, e) => {
+				NavigationController.PushViewController (new BlackViewController(), true);				
+			};
+			btnBlue.TouchUpInside += (sender, e) => {
+				NavigationController.PushViewController (new BlueViewController(), true);				
+			};
+		}
+
+
+		public override void ViewDidLoad ()
+		{	
+			base.ViewDidLoad ();
+			Title = "Appearance";
+		
+			// Create the buttons and TextView to run the sample code
+			//btnBlack = UIButton.FromType(UIButtonType.RoundedRect);
+			btnBlack.Frame = new CGRect(10,50,145,50);
+			btnBlack.SetTitle("Black theme", UIControlState.Normal);
+			
+			//btnBlue = UIButton.FromType(UIButtonType.RoundedRect);
+			btnBlue.Frame = new CGRect(165,50,145,50);
+			btnBlue.SetTitle("Blue theme", UIControlState.Normal);
+			
+			//slider = new UISlider(new RectangleF(10,110,300, 30));
+			slider.Value = 0.75f;			
+			//slider2 = new UISlider(new RectangleF(10,260,300, 30));
+			slider2.Value = 0.5f;
+			
+			progress = new UIProgressView(new CGRect(10, 150, 300, 30));
+			progress.Progress = 0.35f;
+			progress2 = new UIProgressView(new CGRect(10, 300, 300, 30));
+			progress2.Progress = 0.85f;
+			
+
+			// setting the values directly OVERRIDES the Appearance defaults
+			slider2.ThumbTintColor = UIColor.FromRGB (0,127,70); // dark green
+			slider2.MinimumTrackTintColor = UIColor.FromRGB (66,255,63);
+			slider2.MaximumTrackTintColor = UIColor.FromRGB (197,255,132);
+
+			progress2.ProgressTintColor = UIColor.FromRGB (66,255,63);
+			progress2.TrackTintColor = UIColor.FromRGB (197,255,132);
+			
+
+
+
+			overrideLabel = new UILabel(new CGRect(10, 220, 310, 30));
+			overrideLabel.Text = "Overridden values are always observed";
+			overrideLabel.BackgroundColor = UIColor.Clear;
+
+
+
+			
+			// Add the controls to the view
+			Add(btnBlack);
+			Add(btnBlue);
+					
+			Add(slider);
+			Add(slider2);
+	
+			Add (progress);
+			Add (progress2);
+
+			Add (overrideLabel);
+		}
+	}
+}

IntroToAppearance/BlackViewController.cs

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+using System;
+using CoreGraphics;
+using System.Linq;
+using UIKit;
+using Foundation;
+using CoreImage;
+
+namespace Appearance {
+	public class BlackViewController : UIViewController {
+		PlainView plainView;
+
+		public BlackViewController ()
+		{
+			Title = "Black";
+
+			var style = UIButton.AppearanceWhenContainedIn(typeof(PlainView));
+			style.SetTitleColor(UIColor.Black, UIControlState.Normal);	
+
+			var style1 = UISlider.AppearanceWhenContainedIn(typeof(PlainView));
+			style1.ThumbTintColor = UIColor.DarkGray;
+			style1.MaximumTrackTintColor = UIColor.Gray;
+			style1.MinimumTrackTintColor = UIColor.LightGray;
+
+
+			var style2 = UIProgressView.AppearanceWhenContainedIn(typeof(PlainView));
+			style2.ProgressTintColor = UIColor.DarkGray;
+			style2.TrackTintColor = UIColor.LightGray;
+
+		}
+		
+		
+		public override void ViewDidLoad ()
+		{	
+			base.ViewDidLoad ();
+
+			plainView = new PlainView();
+			plainView.Frame = View.Bounds;
+			View.BackgroundColor = UIColor.White;
+
+			View.AddSubview(plainView);
+		}
+	}
+}
+

IntroToAppearance/BlueViewController.cs

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+using System;
+using CoreGraphics;
+using System.Linq;
+using UIKit;
+using Foundation;
+using CoreImage;
+
+namespace Appearance {
+	public class BlueViewController : UIViewController {
+		PlainView plainView;
+
+		public BlueViewController ()
+		{
+			Title = "Blue";			
+
+			var style = UIButton.AppearanceWhenContainedIn(typeof(PlainView));
+			style.SetTitleColor(UIColor.Blue, UIControlState.Normal);	
+
+			var style1 = UISlider.AppearanceWhenContainedIn(typeof(PlainView));
+			style1.ThumbTintColor = UIColor.Blue;
+			style1.MaximumTrackTintColor = UIColor.FromRGB(0, 114, 255);
+			style1.MinimumTrackTintColor = UIColor.FromRGB(0, 255, 255);
+
+
+			var style2 = UIProgressView.AppearanceWhenContainedIn(typeof(PlainView));
+			style2.ProgressTintColor = UIColor.FromRGB(150, 221, 255);
+			style2.TrackTintColor = UIColor.FromRGB(211, 255, 243);
+		}
+
+		public override void ViewDidLoad ()
+		{	
+			base.ViewDidLoad ();
+
+			plainView = new PlainView();
+			plainView.Frame = View.Bounds;
+			
+			plainView.BackgroundColor = UIColor.FromRGB (201,207,255);
+
+			View.AddSubview(plainView);
+		}
+	}
+}

IntroToAppearance/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDisplayName</key>
+	<string>Appearance</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon-76@2x</string>
+		<string>Icon-76</string>
+		<string>Icon-72@2x</string>
+		<string>Icon-72</string>
+		<string>Icon-60@2x</string>
+		<string>Icon@2x</string>
+		<string>Icon</string>
+	</array>
+	<key>CFBundleIdentifier</key>
+	<string>com.xamarin.samples.appearance</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>MinimumOSVersion</key>
+	<string>8.3</string>
+	<key>UIDeviceFamily</key>
+	<array>
+		<string>1</string>
+		<string>2</string>
+	</array>
+	<key>UIFileSharingEnabled</key>
+	<false/>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

IntroToAppearance/Main.cs

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+using UIKit;
+
+namespace Appearance {
+	/// <summary>Kick everything off</summary>
+	public class Application {
+		static void Main (string[] args)
+		{
+			UIApplication.Main (args, null, "AppDelegate");
+		}
+	}
+}
+

IntroToAppearance/Metadata.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<SampleMetadata>
+    <ID>F343BF84-C815-4CB9-9F7A-FCB9C3099C23</ID>
+	<IsFullApplication>false</IsFullApplication>
+	<Level>Beginning</Level>
+	<Tags>Graphics</Tags>
+    <LicenseRequirement>starter</LicenseRequirement>
+	<Gallery>false</Gallery>
+	<Brief>This contains a sample demonstrating the use of the Appearance API.</Brief>
+</SampleMetadata>

IntroToAppearance/PlainView.cs

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+using System;
+using UIKit;
+using CoreGraphics;
+
+namespace Appearance {
+	public class PlainView : UIView {
+
+		UIButton plainButton;
+		UISlider slider;
+		UIProgressView progress;
+
+		public PlainView ()
+		{
+			plainButton = UIButton.FromType(UIButtonType.RoundedRect);
+			plainButton.SetTitle ("Plain Button", UIControlState.Normal);
+			slider = new UISlider();
+			progress = new UIProgressView();
+
+			plainButton.Frame = new CGRect(20, 150, 130, 40);
+			slider.Frame = new CGRect(20, 190, 250, 20);
+			progress.Frame = new CGRect(20, 230, 250, 20);
+			
+			slider.Value = 0.75f;
+
+			progress.Progress = 0.35f;
+
+			Add (plainButton);
+			Add (slider);
+			Add (progress);
+		}
+	}
+}

IntroToAppearance/README.md

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+Introduction to Appearance
+=====================
+
+This contains a sample demonstrating the use of the Appearance API. You can find more information on this in the [Introduction to Appearance API](http://developer.xamarin.com/guides/ios/user_interface/introduction_to_the_appearance_api/) guide