diff --git a/.gitignore b/.gitignore
index dedb7eb01..999472070 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,3 +48,4 @@ tools/
 .DS_Store
 .vscode/
 
+*.user
diff --git a/Samples/Forms/Core/FormsSample.csproj b/Samples/Forms/Core/FormsSample.csproj
index 55bb60631..7f6b9eb96 100644
--- a/Samples/Forms/Core/FormsSample.csproj
+++ b/Samples/Forms/Core/FormsSample.csproj
@@ -54,6 +54,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="2.3.4.270" />
+    <PackageReference Include="Xamarin.Forms" Version="3.0.0.446417" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Samples/Forms/Droid/FormsSample.Droid.csproj b/Samples/Forms/Droid/FormsSample.Droid.csproj
index 7b6757de4..d11f473e1 100644
--- a/Samples/Forms/Droid/FormsSample.Droid.csproj
+++ b/Samples/Forms/Droid/FormsSample.Droid.csproj
@@ -15,7 +15,7 @@
     <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
     <AssemblyName>FormsSample.Droid</AssemblyName>
     <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
-    <TargetFrameworkVersion>v7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v9.0</TargetFrameworkVersion>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
   </PropertyGroup>
@@ -98,6 +98,6 @@
   <ItemGroup>
     <PackageReference Include="Xamarin.Android.Support.v4" Version="25.4.0.2" />
     <PackageReference Include="FastAndroidCamera" Version="2.0.0" />
-    <PackageReference Include="Xamarin.Forms" Version="2.4.0.18342" />
+    <PackageReference Include="Xamarin.Forms" Version="3.0.0.446417" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Samples/Forms/GTK/FormsSample.GTK.csproj b/Samples/Forms/GTK/FormsSample.GTK.csproj
new file mode 100644
index 000000000..8a5f32541
--- /dev/null
+++ b/Samples/Forms/GTK/FormsSample.GTK.csproj
@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props" Condition="Exists('..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <RootNamespace>FormsSample.GTK</RootNamespace>
+    <AssemblyName>FormsSample.GTK</AssemblyName>
+    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+
+    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
+      <HintPath>..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\OpenTK.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="gdk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gdk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="glib-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\glib-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="gtk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gtk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="glade-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\glade-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="pango-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\pango-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="pango-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\pango-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="atk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\atk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="Mono.Cairo, Version=4.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\Mono.Cairo\Mono.Cairo.dll</HintPath>
+    </Reference>
+    <Reference Include="Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756">
+      <HintPath>..\..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\Mono.Posix\Mono.Posix.dll</HintPath>
+    </Reference>
+    <Reference Include="webkit-sharp, Version=1.1.15.0, Culture=neutral, PublicKeyToken=eaa1d335d2e19745">
+      <HintPath>..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\webkit-sharp.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Core.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Design\Xamarin.Forms.Core.Design.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Platform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform.GTK, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\Xamarin.Forms.Platform.GTK.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Xaml.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Design\Xamarin.Forms.Xaml.Design.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="OpenTK.dll.config" />
+    <None Include="packages.config" />
+    <None Include="webkit-sharp.dll.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Source\ZXing.Net.Mobile.Core\ZXing.Net.Mobile.Core.csproj">
+      <Project>{7528dd0a-1781-47f4-adbf-eeddb011f6bb}</Project>
+      <Name>ZXing.Net.Mobile.Core</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Source\ZXing.Net.Mobile.Forms.GTK\ZXing.Net.Mobile.Forms.GTK.csproj">
+      <Project>{7aa0abcf-dbf1-4190-8e82-44dd736be2f3}</Project>
+      <Name>ZXing.Net.Mobile.Forms.GTK</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Source\ZXing.Net.Mobile.GTK\ZXing.Net.Mobile.GTK.csproj">
+      <Project>{007476ef-d7ca-4198-bded-3544d0ebd546}</Project>
+      <Name>ZXing.Net.Mobile.GTK</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\Source\ZXing.Net\Source\lib\zxing.portable.csproj">
+      <Project>{24b441f2-cbe9-4405-9fd0-72ebcbea0ec3}</Project>
+      <Name>zxing.portable</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Core\FormsSample.csproj">
+      <Project>{0daf97ca-02db-4e4f-9163-b8f14eae2d90}</Project>
+      <Name>FormsSample</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props'))" />
+    <Error Condition="!Exists('..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets'))" />
+  </Target>
+  <Import Project="..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets" Condition="Exists('..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets')" />
+</Project>
\ No newline at end of file
diff --git a/Samples/Forms/GTK/OpenTK.dll.config b/Samples/Forms/GTK/OpenTK.dll.config
new file mode 100644
index 000000000..7098d39e9
--- /dev/null
+++ b/Samples/Forms/GTK/OpenTK.dll.config
@@ -0,0 +1,25 @@
+<configuration>
+  <dllmap os="linux" dll="opengl32.dll" target="libGL.so.1"/>
+  <dllmap os="linux" dll="glu32.dll" target="libGLU.so.1"/>
+  <dllmap os="linux" dll="openal32.dll" target="libopenal.so.1"/>
+  <dllmap os="linux" dll="alut.dll" target="libalut.so.0"/>
+  <dllmap os="linux" dll="opencl.dll" target="libOpenCL.so"/>
+  <dllmap os="linux" dll="libX11" target="libX11.so.6"/>
+  <dllmap os="linux" dll="libXi" target="libXi.so.6"/>
+  <dllmap os="linux" dll="SDL2.dll" target="libSDL2-2.0.so.0"/>
+  <dllmap os="osx" dll="opengl32.dll" target="/System/Library/Frameworks/OpenGL.framework/OpenGL"/>
+  <dllmap os="osx" dll="openal32.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
+  <dllmap os="osx" dll="alut.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
+  <dllmap os="osx" dll="libGLES.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="libGLESv1_CM.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="libGLESv2.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="opencl.dll" target="/System/Library/Frameworks/OpenCL.framework/OpenCL"/>
+  <dllmap os="osx" dll="SDL2.dll" target="libSDL2.dylib"/>
+  <!-- XQuartz compatibility (X11 on Mac) -->
+  <dllmap os="osx" dll="libGL.so.1" target="/usr/X11/lib/libGL.dylib"/>
+  <dllmap os="osx" dll="libX11" target="/usr/X11/lib/libX11.dylib"/>
+  <dllmap os="osx" dll="libXcursor.so.1" target="/usr/X11/lib/libXcursor.dylib"/>
+  <dllmap os="osx" dll="libXi" target="/usr/X11/lib/libXi.dylib"/>
+  <dllmap os="osx" dll="libXinerama" target="/usr/X11/lib/libXinerama.dylib"/>
+  <dllmap os="osx" dll="libXrandr.so.2" target="/usr/X11/lib/libXrandr.dylib"/>
+</configuration>
diff --git a/Samples/Forms/GTK/Program.cs b/Samples/Forms/GTK/Program.cs
new file mode 100644
index 000000000..a00646399
--- /dev/null
+++ b/Samples/Forms/GTK/Program.cs
@@ -0,0 +1,24 @@
+using System;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.GTK;
+using Application = Gtk.Application;
+
+namespace FormsSample.GTK
+{
+    class MainClass
+    {
+        public static void Main(string[] args)
+        {
+            Application.Init();
+            Forms.Init();
+            ZXing.Net.Mobile.Forms.GTK.Platform.Init ();
+
+            var app = new App();
+            var window = new FormsWindow();
+            window.LoadApplication(app);
+            window.SetApplicationTitle("GTK example");
+            window.Show();
+            Application.Run();
+        }
+    }
+}
diff --git a/Samples/Forms/GTK/Properties/AssemblyInfo.cs b/Samples/Forms/GTK/Properties/AssemblyInfo.cs
new file mode 100644
index 000000000..6da8083d6
--- /dev/null
+++ b/Samples/Forms/GTK/Properties/AssemblyInfo.cs
@@ -0,0 +1,26 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+// Information about this assembly is defined by the following attributes. 
+// Change them to the values specific to your project.
+
+[assembly: AssemblyTitle("FormsSample.GTK")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("${AuthorCopyright}")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
+// The form "{Major}.{Minor}.*" will automatically update the build and revision,
+// and "{Major}.{Minor}.{Build}.*" will update just the revision.
+
+[assembly: AssemblyVersion("1.0.*")]
+
+// The following attributes are used to specify the signing key for the assembly, 
+// if desired. See the Mono documentation for more information about signing.
+
+//[assembly: AssemblyDelaySign(false)]
+//[assembly: AssemblyKeyFile("")]
diff --git a/Samples/Forms/GTK/packages.config b/Samples/Forms/GTK/packages.config
new file mode 100644
index 000000000..9861b1f7c
--- /dev/null
+++ b/Samples/Forms/GTK/packages.config
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Xamarin.Forms" version="3.0.0.446417" targetFramework="net47" />
+  <package id="Xamarin.Forms.Platform.GTK" version="3.0.0.446417" targetFramework="net47" />
+</packages>
\ No newline at end of file
diff --git a/Samples/Forms/GTK/webkit-sharp.dll.config b/Samples/Forms/GTK/webkit-sharp.dll.config
new file mode 100644
index 000000000..438480176
--- /dev/null
+++ b/Samples/Forms/GTK/webkit-sharp.dll.config
@@ -0,0 +1,5 @@
+<configuration>
+  <dllmap dll="webkit-1.0" target="libwebkitgtk-1.0.0.dylib"/>
+  <dllmap dll="webkit-1.0" os="linux" target="libwebkitgtk-1.0.so.0"/>
+  <dllmap dll="webkit-1.0" os="windows" target="libwebkitgtk-1.0-0.dll"/>
+</configuration>
diff --git a/Samples/Forms/Sample.Forms.sln b/Samples/Forms/Sample.Forms.sln
index c91c00639..0c2318d3f 100644
--- a/Samples/Forms/Sample.Forms.sln
+++ b/Samples/Forms/Sample.Forms.sln
@@ -31,6 +31,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.Forms.iOS"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "zxing.portable", "..\..\Source\ZXing.Net\Source\lib\zxing.portable.csproj", "{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.GTK", "..\..\Source\ZXing.Net.Mobile.GTK\ZXing.Net.Mobile.GTK.csproj", "{007476EF-D7CA-4198-BDED-3544D0EBD546}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.Forms.GTK", "..\..\Source\ZXing.Net.Mobile.Forms.GTK\ZXing.Net.Mobile.Forms.GTK.csproj", "{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FormsSample.GTK", "GTK\FormsSample.GTK.csproj", "{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -376,6 +382,78 @@ Global
 		{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}.Release|x64.Build.0 = Release|Any CPU
 		{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}.Release|x86.ActiveCfg = Release|Any CPU
 		{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}.Release|x86.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|ARM.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x64.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x86.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|Any CPU.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|ARM.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|ARM.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|iPhone.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x64.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x64.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x86.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x86.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|ARM.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|x64.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|x86.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|ARM.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|ARM.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|iPhone.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|x64.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|x64.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|x86.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|x86.Build.0 = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|ARM.Build.0 = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|x64.Build.0 = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Debug|x86.Build.0 = Debug|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|ARM.ActiveCfg = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|ARM.Build.0 = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|iPhone.Build.0 = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|x64.ActiveCfg = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|x64.Build.0 = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|x86.ActiveCfg = Release|Any CPU
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -385,5 +463,6 @@ Global
 		{69094754-B453-4BFA-9609-3DE9C9185157} = {AB98471E-2FC8-405D-BB69-D80AE6AE40B9}
 		{0DAF97CA-02DB-4E4F-9163-B8F14EAE2D90} = {AB98471E-2FC8-405D-BB69-D80AE6AE40B9}
 		{776B89DF-2915-4701-B8A3-127D3340C77F} = {AB98471E-2FC8-405D-BB69-D80AE6AE40B9}
+		{2BC36FB5-2164-4C6E-A2BC-4BF7101AE94F} = {AB98471E-2FC8-405D-BB69-D80AE6AE40B9}
 	EndGlobalSection
 EndGlobal
diff --git a/Samples/Forms/WindowsUniversal/project.json b/Samples/Forms/WindowsUniversal/project.json
index 140f37629..96c342fb3 100644
--- a/Samples/Forms/WindowsUniversal/project.json
+++ b/Samples/Forms/WindowsUniversal/project.json
@@ -4,7 +4,7 @@
     "Microsoft.ApplicationInsights.PersistenceChannel": "1.2.3",
     "Microsoft.ApplicationInsights.WindowsApps": "1.1.1",
     "Microsoft.NETCore.UniversalWindowsPlatform": "6.0.1",
-    "Xamarin.Forms": "2.4.0.18342"
+    "Xamarin.Forms": "3.0.0.446417"
   },
   "frameworks": {
     "uap10.0": {}
diff --git a/Samples/Forms/iOS/FormsSample.iOS.csproj b/Samples/Forms/iOS/FormsSample.iOS.csproj
index 351585a19..3634fa8f2 100644
--- a/Samples/Forms/iOS/FormsSample.iOS.csproj
+++ b/Samples/Forms/iOS/FormsSample.iOS.csproj
@@ -126,6 +126,6 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Xamarin.TestCloud.Agent" Version="0.21.1" />
-    <PackageReference Include="Xamarin.Forms" Version="2.4.0.18342" />
+    <PackageReference Include="Xamarin.Forms" Version="3.0.0.446417" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Samples/GTK/MainWindow.cs b/Samples/GTK/MainWindow.cs
new file mode 100644
index 000000000..27d345542
--- /dev/null
+++ b/Samples/GTK/MainWindow.cs
@@ -0,0 +1,31 @@
+using System;
+using Gdk;
+using Gtk;
+using ZXing.Net.Mobile.GTK;
+
+public partial class MainWindow : Gtk.Window
+{
+    public MainWindow() : base(Gtk.WindowType.Toplevel)
+    {
+        Build();
+        var barcodeWriter = new BarcodeWriter
+        {
+            Format = ZXing.BarcodeFormat.QR_CODE,
+            Options = new ZXing.Common.EncodingOptions
+            {
+                Width = 300,
+                Height = 300,
+                Margin = 10
+            }
+        };
+
+        var barcode = barcodeWriter.Write("ZXing.Net.Mobile");
+        barcodeImage.Pixbuf = barcode;
+    }
+
+    protected void OnDeleteEvent(object sender, DeleteEventArgs a)
+    {
+        Application.Quit();
+        a.RetVal = true;
+    }
+}
diff --git a/Samples/GTK/Program.cs b/Samples/GTK/Program.cs
new file mode 100644
index 000000000..1737331b0
--- /dev/null
+++ b/Samples/GTK/Program.cs
@@ -0,0 +1,16 @@
+using System;
+using Gtk;
+
+namespace Sample.GTK
+{
+    class MainClass
+    {
+        public static void Main(string[] args)
+        {
+            Application.Init();
+            MainWindow win = new MainWindow();
+            win.Show();
+            Application.Run();
+        }
+    }
+}
diff --git a/Samples/GTK/Properties/AssemblyInfo.cs b/Samples/GTK/Properties/AssemblyInfo.cs
new file mode 100644
index 000000000..f802df36b
--- /dev/null
+++ b/Samples/GTK/Properties/AssemblyInfo.cs
@@ -0,0 +1,26 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+// Information about this assembly is defined by the following attributes. 
+// Change them to the values specific to your project.
+
+[assembly: AssemblyTitle("Sample.GTK")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("${AuthorCopyright}")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
+// The form "{Major}.{Minor}.*" will automatically update the build and revision,
+// and "{Major}.{Minor}.{Build}.*" will update just the revision.
+
+[assembly: AssemblyVersion("1.0.*")]
+
+// The following attributes are used to specify the signing key for the assembly, 
+// if desired. See the Mono documentation for more information about signing.
+
+//[assembly: AssemblyDelaySign(false)]
+//[assembly: AssemblyKeyFile("")]
diff --git a/Samples/GTK/Sample.GTK.csproj b/Samples/GTK/Sample.GTK.csproj
new file mode 100644
index 000000000..6401aa8b9
--- /dev/null
+++ b/Samples/GTK/Sample.GTK.csproj
@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
+    <ProjectGuid>{E2709E25-2837-4F2C-B7D5-54CD0CBEB063}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <RootNamespace>Sample.GTK</RootNamespace>
+    <AssemblyName>Sample.GTK</AssemblyName>
+    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>x86</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>x86</PlatformTarget>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="atk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\atk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="gdk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gdk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="glade-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\glade-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="glib-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\glib-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="gtk-dotnet, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gtk-dotnet.dll</HintPath>
+    </Reference>
+    <Reference Include="gtk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gtk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\Mono.Posix\Mono.Posix.dll</HintPath>
+    </Reference>
+    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\OpenTK\OpenTK.dll</HintPath>
+    </Reference>
+    <Reference Include="pango-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\pango-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="webkit-sharp, Version=1.1.15.0, Culture=neutral, PublicKeyToken=eaa1d335d2e19745">
+      <HintPath>..\..\Source\ZXing.Net.Mobile.GTK\Libs\webkit-sharp\webkit-sharp.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="gtk-gui\gui.stetic">
+      <LogicalName>gui.stetic</LogicalName>
+    </EmbeddedResource>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="gtk-gui\generated.cs" />
+    <Compile Include="MainWindow.cs" />
+    <Compile Include="gtk-gui\MainWindow.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Source\ZXing.Net.Mobile.GTK\ZXing.Net.Mobile.GTK.csproj">
+      <Project>{007476EF-D7CA-4198-BDED-3544D0EBD546}</Project>
+      <Name>ZXing.Net.Mobile.GTK</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Source\ZXing.Net\Source\lib\zxing.portable.csproj">
+      <Project>{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}</Project>
+      <Name>zxing.portable</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Source\ZXing.Net.Mobile.Core\ZXing.Net.Mobile.Core.csproj">
+      <Project>{7528DD0A-1781-47F4-ADBF-EEDDB011F6BB}</Project>
+      <Name>ZXing.Net.Mobile.Core</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+</Project>
\ No newline at end of file
diff --git a/Samples/GTK/Sample.GTK.sln b/Samples/GTK/Sample.GTK.sln
new file mode 100644
index 000000000..02555a304
--- /dev/null
+++ b/Samples/GTK/Sample.GTK.sln
@@ -0,0 +1,35 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sample.GTK", "Sample.GTK.csproj", "{E2709E25-2837-4F2C-B7D5-54CD0CBEB063}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.Core", "..\..\Source\ZXing.Net.Mobile.Core\ZXing.Net.Mobile.Core.csproj", "{7528DD0A-1781-47F4-ADBF-EEDDB011F6BB}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.GTK", "..\..\Source\ZXing.Net.Mobile.GTK\ZXing.Net.Mobile.GTK.csproj", "{007476EF-D7CA-4198-BDED-3544D0EBD546}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "zxing.portable", "..\..\Source\ZXing.Net\Source\lib\zxing.portable.csproj", "{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x86 = Debug|x86
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E2709E25-2837-4F2C-B7D5-54CD0CBEB063}.Debug|x86.ActiveCfg = Debug|x86
+		{E2709E25-2837-4F2C-B7D5-54CD0CBEB063}.Debug|x86.Build.0 = Debug|x86
+		{E2709E25-2837-4F2C-B7D5-54CD0CBEB063}.Release|x86.ActiveCfg = Release|x86
+		{E2709E25-2837-4F2C-B7D5-54CD0CBEB063}.Release|x86.Build.0 = Release|x86
+		{7528DD0A-1781-47F4-ADBF-EEDDB011F6BB}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{7528DD0A-1781-47F4-ADBF-EEDDB011F6BB}.Debug|x86.Build.0 = Debug|Any CPU
+		{7528DD0A-1781-47F4-ADBF-EEDDB011F6BB}.Release|x86.ActiveCfg = Release|Any CPU
+		{7528DD0A-1781-47F4-ADBF-EEDDB011F6BB}.Release|x86.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x86.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x86.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x86.Build.0 = Release|Any CPU
+		{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}.Debug|x86.Build.0 = Debug|Any CPU
+		{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}.Release|x86.ActiveCfg = Release|Any CPU
+		{24B441F2-CBE9-4405-9FD0-72EBCBEA0EC3}.Release|x86.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal
diff --git a/Samples/GTK/gtk-gui/MainWindow.cs b/Samples/GTK/gtk-gui/MainWindow.cs
new file mode 100644
index 000000000..50aef57b7
--- /dev/null
+++ b/Samples/GTK/gtk-gui/MainWindow.cs
@@ -0,0 +1,28 @@
+
+// This file has been generated by the GUI designer. Do not modify.
+
+public partial class MainWindow
+{
+	private global::Gtk.Image barcodeImage;
+
+	protected virtual void Build()
+	{
+		global::Stetic.Gui.Initialize(this);
+		// Widget MainWindow
+		this.Name = "MainWindow";
+		this.Title = global::Mono.Unix.Catalog.GetString("MainWindow");
+		this.WindowPosition = ((global::Gtk.WindowPosition)(4));
+		// Container child MainWindow.Gtk.Container+ContainerChild
+		this.barcodeImage = new global::Gtk.Image();
+		this.barcodeImage.Name = "barcodeImage";
+		this.Add(this.barcodeImage);
+		if ((this.Child != null))
+		{
+			this.Child.ShowAll();
+		}
+		this.DefaultWidth = 400;
+		this.DefaultHeight = 300;
+		this.Show();
+		this.DeleteEvent += new global::Gtk.DeleteEventHandler(this.OnDeleteEvent);
+	}
+}
diff --git a/Samples/GTK/gtk-gui/generated.cs b/Samples/GTK/gtk-gui/generated.cs
new file mode 100644
index 000000000..4842e95d7
--- /dev/null
+++ b/Samples/GTK/gtk-gui/generated.cs
@@ -0,0 +1,30 @@
+
+// This file has been generated by the GUI designer. Do not modify.
+namespace Stetic
+{
+	internal class Gui
+	{
+		private static bool initialized;
+
+		internal static void Initialize(Gtk.Widget iconRenderer)
+		{
+			if ((Stetic.Gui.initialized == false))
+			{
+				Stetic.Gui.initialized = true;
+			}
+		}
+	}
+
+	internal class ActionGroups
+	{
+		public static Gtk.ActionGroup GetActionGroup(System.Type type)
+		{
+			return Stetic.ActionGroups.GetActionGroup(type.FullName);
+		}
+
+		public static Gtk.ActionGroup GetActionGroup(string name)
+		{
+			return null;
+		}
+	}
+}
diff --git a/Samples/GTK/gtk-gui/gui.stetic b/Samples/GTK/gtk-gui/gui.stetic
new file mode 100644
index 000000000..b9ae87857
--- /dev/null
+++ b/Samples/GTK/gtk-gui/gui.stetic
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<stetic-interface>
+  <configuration>
+    <images-root-path>..</images-root-path>
+  </configuration>
+  <import>
+    <widget-library name="glade-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f" />
+    <widget-library name="../bin/Debug/Sample.GTK.exe" internal="true" />
+  </import>
+  <widget class="Gtk.Window" id="MainWindow" design-size="400 300">
+    <property name="MemberName" />
+    <property name="Title" translatable="yes">MainWindow</property>
+    <property name="WindowPosition">CenterOnParent</property>
+    <signal name="DeleteEvent" handler="OnDeleteEvent" />
+    <child>
+      <widget class="Gtk.Image" id="barcodeImage">
+        <property name="MemberName" />
+      </widget>
+    </child>
+  </widget>
+</stetic-interface>
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.Android/ZXing.Net.Mobile.Forms.Android.csproj b/Source/ZXing.Net.Mobile.Forms.Android/ZXing.Net.Mobile.Forms.Android.csproj
index 0164f7cab..47b4b04c4 100644
--- a/Source/ZXing.Net.Mobile.Forms.Android/ZXing.Net.Mobile.Forms.Android.csproj
+++ b/Source/ZXing.Net.Mobile.Forms.Android/ZXing.Net.Mobile.Forms.Android.csproj
@@ -13,7 +13,7 @@
     <AndroidResgenFile>Resources\Resource.designer.cs</AndroidResgenFile>
     <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
     <AssemblyName>ZXing.Net.Mobile.Forms.Android</AssemblyName>
-    <TargetFrameworkVersion>v7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v9.0</TargetFrameworkVersion>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
   </PropertyGroup>
@@ -79,6 +79,6 @@
   <ItemGroup>
     <PackageReference Include="Xamarin.Android.Support.v4" Version="23.3.0" />
     <PackageReference Include="FastAndroidCamera" Version="2.0.0" />
-    <PackageReference Include="Xamarin.Forms" Version="2.3.4.270" />
+    <PackageReference Include="Xamarin.Forms" Version="3.0.0.446417" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.GTK/OpenTK.dll.config b/Source/ZXing.Net.Mobile.Forms.GTK/OpenTK.dll.config
new file mode 100644
index 000000000..7098d39e9
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.Forms.GTK/OpenTK.dll.config
@@ -0,0 +1,25 @@
+<configuration>
+  <dllmap os="linux" dll="opengl32.dll" target="libGL.so.1"/>
+  <dllmap os="linux" dll="glu32.dll" target="libGLU.so.1"/>
+  <dllmap os="linux" dll="openal32.dll" target="libopenal.so.1"/>
+  <dllmap os="linux" dll="alut.dll" target="libalut.so.0"/>
+  <dllmap os="linux" dll="opencl.dll" target="libOpenCL.so"/>
+  <dllmap os="linux" dll="libX11" target="libX11.so.6"/>
+  <dllmap os="linux" dll="libXi" target="libXi.so.6"/>
+  <dllmap os="linux" dll="SDL2.dll" target="libSDL2-2.0.so.0"/>
+  <dllmap os="osx" dll="opengl32.dll" target="/System/Library/Frameworks/OpenGL.framework/OpenGL"/>
+  <dllmap os="osx" dll="openal32.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
+  <dllmap os="osx" dll="alut.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
+  <dllmap os="osx" dll="libGLES.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="libGLESv1_CM.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="libGLESv2.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="opencl.dll" target="/System/Library/Frameworks/OpenCL.framework/OpenCL"/>
+  <dllmap os="osx" dll="SDL2.dll" target="libSDL2.dylib"/>
+  <!-- XQuartz compatibility (X11 on Mac) -->
+  <dllmap os="osx" dll="libGL.so.1" target="/usr/X11/lib/libGL.dylib"/>
+  <dllmap os="osx" dll="libX11" target="/usr/X11/lib/libX11.dylib"/>
+  <dllmap os="osx" dll="libXcursor.so.1" target="/usr/X11/lib/libXcursor.dylib"/>
+  <dllmap os="osx" dll="libXi" target="/usr/X11/lib/libXi.dylib"/>
+  <dllmap os="osx" dll="libXinerama" target="/usr/X11/lib/libXinerama.dylib"/>
+  <dllmap os="osx" dll="libXrandr.so.2" target="/usr/X11/lib/libXrandr.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.Forms.GTK/Platform.cs b/Source/ZXing.Net.Mobile.Forms.GTK/Platform.cs
new file mode 100644
index 000000000..65e44b092
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.Forms.GTK/Platform.cs
@@ -0,0 +1,10 @@
+namespace ZXing.Net.Mobile.Forms.GTK
+{
+    public class Platform
+    {
+        public static void Init ()
+        {
+            ZXing.Net.Mobile.Forms.GTK.ZXingBarcodeImageViewRenderer.Init();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.GTK/Properties/AssemblyInfo.cs b/Source/ZXing.Net.Mobile.Forms.GTK/Properties/AssemblyInfo.cs
new file mode 100644
index 000000000..edf44aae9
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.Forms.GTK/Properties/AssemblyInfo.cs
@@ -0,0 +1,35 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("ZXing.Net.Mobile.Forms.GTK")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("ZXing.Net.Mobile.Forms.GTK")]
+[assembly: AssemblyCopyright("${AuthorCopyright}")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.GTK/ZXing.Net.Mobile.Forms.GTK.csproj b/Source/ZXing.Net.Mobile.Forms.GTK/ZXing.Net.Mobile.Forms.GTK.csproj
new file mode 100644
index 000000000..1a6a29ac6
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.Forms.GTK/ZXing.Net.Mobile.Forms.GTK.csproj
@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props" Condition="Exists('..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props')" />
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>ZXing.Net.Mobile.Forms.GTK</RootNamespace>
+    <AssemblyName>ZXing.Net.Mobile.Forms.GTK</AssemblyName>
+    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\..\Build\Forms\Debug\xamgtk</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\..\Build\Forms\Release\xamgtk</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="gdk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gdk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="glib-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\glib-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="gtk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>..\ZXing.Net.Mobile.GTK\Libs\gtk-sharp\gtk-sharp-2.0\gtk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4">
+      <HintPath>..\..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\OpenTK.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+    <Reference Include="netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51"/>
+    <Reference Include="webkit-sharp, Version=1.1.15.0, Culture=neutral, PublicKeyToken=eaa1d335d2e19745">
+      <HintPath>..\..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\webkit-sharp.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Core.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Design\Xamarin.Forms.Core.Design.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Platform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform.GTK, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.Platform.GTK.3.0.0.446417\lib\net45\Xamarin.Forms.Platform.GTK.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Xamarin.Forms.Xaml.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\netstandard2.0\Design\Xamarin.Forms.Xaml.Design.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Platform.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ZXingBarcodeImageViewRenderer.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\ZXing.Net.Mobile.Core\ZXing.Net.Mobile.Core.csproj">
+      <Project>{7528dd0a-1781-47f4-adbf-eeddb011f6bb}</Project>
+      <Name>ZXing.Net.Mobile.Core</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\ZXing.Net.Mobile.Forms\ZXing.Net.Mobile.Forms.csproj">
+      <Project>{8e54db74-c094-4016-859a-d1c7f2509a58}</Project>
+      <Name>ZXing.Net.Mobile.Forms</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\ZXing.Net.Mobile.GTK\ZXing.Net.Mobile.GTK.csproj">
+      <Project>{007476ef-d7ca-4198-bded-3544d0ebd546}</Project>
+      <Name>ZXing.Net.Mobile.GTK</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\ZXing.Net\Source\lib\zxing.portable.csproj">
+      <Project>{24b441f2-cbe9-4405-9fd0-72ebcbea0ec3}</Project>
+      <Name>zxing.portable</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="OpenTK.dll.config" />
+    <None Include="packages.config" />
+    <None Include="webkit-sharp.dll.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props'))" />
+    <Error Condition="!Exists('..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets'))" />
+  </Target>
+  <Import Project="..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets')" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+         Other similar extension points exist, see Microsoft.Common.targets.
+    <Target Name="BeforeBuild">
+    </Target>
+    <Target Name="AfterBuild">
+    </Target>
+    -->
+</Project>
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.GTK/ZXingBarcodeImageViewRenderer.cs b/Source/ZXing.Net.Mobile.Forms.GTK/ZXingBarcodeImageViewRenderer.cs
new file mode 100644
index 000000000..b14aad3f7
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.Forms.GTK/ZXingBarcodeImageViewRenderer.cs
@@ -0,0 +1,73 @@
+using System;
+using System.ComponentModel;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.GTK;
+using ZXing.Net.Mobile.Forms;
+using ZXing.Net.Mobile.Forms.GTK;
+using ZXing.Net.Mobile.GTK;
+using Image = Gtk.Image;
+
+[assembly:ExportRenderer(typeof(ZXingBarcodeImageView), typeof(ZXingBarcodeImageViewRenderer))]
+namespace ZXing.Net.Mobile.Forms.GTK
+{
+    public class ZXingBarcodeImageViewRenderer : ViewRenderer<ZXingBarcodeImageView, Image>
+    {
+        public static void Init()
+        {
+            var temp = DateTime.Now;
+        }
+        
+        ZXingBarcodeImageView formsView;
+        Image gtkImage;
+
+        protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            // in GTK there are a way to many properties that are changed compared to other platforms
+            if (e.PropertyName == ZXingBarcodeImageView.BarcodeValueProperty.PropertyName ||
+                e.PropertyName == ZXingBarcodeImageView.BarcodeFormatProperty.PropertyName ||
+                e.PropertyName == ZXingBarcodeImageView.BarcodeOptionsProperty.PropertyName)
+            {
+                Regenerate();
+            }
+
+            base.OnElementPropertyChanged(sender, e);
+        }
+        
+        protected override void OnElementChanged(ElementChangedEventArgs<ZXingBarcodeImageView> e)
+        {
+            formsView = Element;
+
+            if (gtkImage == null)
+            {
+                gtkImage = new Image();
+
+                base.SetNativeControl(gtkImage);
+            }
+
+            Regenerate();
+            
+            base.OnElementChanged(e);
+        }
+
+        void Regenerate ()
+        {
+            if (formsView != null && formsView.BarcodeValue != null)
+            {
+                var writer = new BarcodeWriter();
+
+                if (formsView != null && formsView.BarcodeOptions != null)
+                    writer.Options = formsView.BarcodeOptions;
+                if (formsView != null && formsView.BarcodeFormat != null)
+                    writer.Format = formsView.BarcodeFormat;
+
+                var value = formsView != null ? formsView.BarcodeValue : string.Empty;
+
+                Device.BeginInvokeOnMainThread(() =>
+                {
+                    var pixBuf = writer.Write(value);
+                    gtkImage.Pixbuf = pixBuf;
+                });
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.GTK/packages.config b/Source/ZXing.Net.Mobile.Forms.GTK/packages.config
new file mode 100644
index 000000000..9861b1f7c
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.Forms.GTK/packages.config
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Xamarin.Forms" version="3.0.0.446417" targetFramework="net47" />
+  <package id="Xamarin.Forms.Platform.GTK" version="3.0.0.446417" targetFramework="net47" />
+</packages>
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.GTK/webkit-sharp.dll.config b/Source/ZXing.Net.Mobile.Forms.GTK/webkit-sharp.dll.config
new file mode 100644
index 000000000..a901fab83
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.Forms.GTK/webkit-sharp.dll.config
@@ -0,0 +1,3 @@
+<configuration>
+  <dllmap dll="webkit-1.0" target="/usr/lib/x86_64-linux-gnu/libwebkitgtk-1.0.so"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/Libs/netstandard.dll b/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/Libs/netstandard.dll
new file mode 100644
index 000000000..1f1ab22ca
Binary files /dev/null and b/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/Libs/netstandard.dll differ
diff --git a/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/ZXing.Net.Mobile.Forms.WindowsUniversal.csproj b/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/ZXing.Net.Mobile.Forms.WindowsUniversal.csproj
index 60edc22f3..0380fd070 100644
--- a/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/ZXing.Net.Mobile.Forms.WindowsUniversal.csproj
+++ b/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/ZXing.Net.Mobile.Forms.WindowsUniversal.csproj
@@ -130,6 +130,11 @@
       <Name>zxing.portable</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <Reference Include="netstandard">
+      <HintPath>Libs\netstandard.dll</HintPath>
+    </Reference>
+  </ItemGroup>
   <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
     <VisualStudioVersion>14.0</VisualStudioVersion>
   </PropertyGroup>
diff --git a/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/project.json b/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/project.json
index c4e711589..6984d93ab 100644
--- a/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/project.json
+++ b/Source/ZXing.Net.Mobile.Forms.WindowsUniversal/project.json
@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "Microsoft.NETCore.UniversalWindowsPlatform": "6.0.1",
-    "Xamarin.Forms": "2.3.4.270"
+    "Xamarin.Forms": "3.0.0.446417"
   },
   "frameworks": {
     "uap10.0": {}
diff --git a/Source/ZXing.Net.Mobile.Forms.iOS/ZXing.Net.Mobile.Forms.iOS.csproj b/Source/ZXing.Net.Mobile.Forms.iOS/ZXing.Net.Mobile.Forms.iOS.csproj
index aee6862b2..989c67a47 100644
--- a/Source/ZXing.Net.Mobile.Forms.iOS/ZXing.Net.Mobile.Forms.iOS.csproj
+++ b/Source/ZXing.Net.Mobile.Forms.iOS/ZXing.Net.Mobile.Forms.iOS.csproj
@@ -65,6 +65,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="2.3.4.270" />
+    <PackageReference Include="Xamarin.Forms" Version="3.0.0.446417" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.macOS/ZXing.Net.Mobile.Forms.macOS.csproj b/Source/ZXing.Net.Mobile.Forms.macOS/ZXing.Net.Mobile.Forms.macOS.csproj
index 13a98c62d..c2e7c2cbc 100644
--- a/Source/ZXing.Net.Mobile.Forms.macOS/ZXing.Net.Mobile.Forms.macOS.csproj
+++ b/Source/ZXing.Net.Mobile.Forms.macOS/ZXing.Net.Mobile.Forms.macOS.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\packages\Xamarin.Forms.3.2.0.871581\build\netstandard2.0\Xamarin.Forms.props" Condition="Exists('..\..\packages\Xamarin.Forms.3.2.0.871581\build\netstandard2.0\Xamarin.Forms.props')" />
+  <Import Project="..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props" Condition="Exists('..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -62,6 +62,22 @@
     <Reference Include="Xamarin.Forms.Xaml">
       <HintPath>..\..\packages\Xamarin.Forms.3.2.0.871581\lib\Xamarin.Mac\Xamarin.Forms.Xaml.dll</HintPath>
     </Reference>
+    <Reference Include="Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\Xamarin.Mac\Xamarin.Forms.Core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\Xamarin.Mac\Xamarin.Forms.Platform.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Platform.macOS, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\Xamarin.Mac\Xamarin.Forms.Platform.macOS.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Xamarin.Forms.Xaml, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null">
+      <HintPath>..\..\packages\Xamarin.Forms.3.0.0.446417\lib\Xamarin.Mac\Xamarin.Forms.Xaml.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -91,4 +107,12 @@
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Mac\Xamarin.Mac.CSharp.targets" />
   <Import Project="..\..\packages\Xamarin.Forms.3.2.0.871581\build\netstandard2.0\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.3.2.0.871581\build\netstandard2.0\Xamarin.Forms.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105.The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.props'))" />
+    <Error Condition="!Exists('..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets'))" />
+  </Target>
+  <Import Project="..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.3.0.0.446417\build\netstandard2.0\Xamarin.Forms.targets')" />
 </Project>
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.Forms.macOS/packages.config b/Source/ZXing.Net.Mobile.Forms.macOS/packages.config
index 4144d0f84..2fb3ea65c 100644
--- a/Source/ZXing.Net.Mobile.Forms.macOS/packages.config
+++ b/Source/ZXing.Net.Mobile.Forms.macOS/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Xamarin.Forms" version="3.2.0.871581" targetFramework="xamarinmac20" />
-</packages>
\ No newline at end of file
+  <package id="Xamarin.Forms" version="3.0.0.446417" targetFramework="xamarinmac20" />
+</packages>
diff --git a/Source/ZXing.Net.Mobile.Forms/ZXing.Net.Mobile.Forms.csproj b/Source/ZXing.Net.Mobile.Forms/ZXing.Net.Mobile.Forms.csproj
index 79fd21eca..b02c8a298 100644
--- a/Source/ZXing.Net.Mobile.Forms/ZXing.Net.Mobile.Forms.csproj
+++ b/Source/ZXing.Net.Mobile.Forms/ZXing.Net.Mobile.Forms.csproj
@@ -51,6 +51,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="2.3.4.270" />
+    <PackageReference Include="Xamarin.Forms" Version="3.0.0.446417" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.GTK/BarcodeWriter.cs b/Source/ZXing.Net.Mobile.GTK/BarcodeWriter.cs
new file mode 100644
index 000000000..fb65497b7
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/BarcodeWriter.cs
@@ -0,0 +1,12 @@
+using Gdk;
+
+namespace ZXing.Net.Mobile.GTK
+{
+    public class BarcodeWriter : BarcodeWriter<Pixbuf>, IBarcodeWriter
+    {
+        public BarcodeWriter()
+        {
+            Renderer = new BitmapRenderer();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.GTK/BitmapRenderer.cs b/Source/ZXing.Net.Mobile.GTK/BitmapRenderer.cs
new file mode 100644
index 000000000..244a10aff
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/BitmapRenderer.cs
@@ -0,0 +1,45 @@
+using Cairo;
+using Gdk;
+using ZXing.Common;
+using ZXing.Rendering;
+
+namespace ZXing.Net.Mobile.GTK
+{
+    public class BitmapRenderer : IBarcodeRenderer<Pixbuf>
+    {
+        public Pixbuf Render(BitMatrix matrix, BarcodeFormat format, string content)
+        {
+            var black = new Cairo.Color(0, 0, 0);
+            var white = new Cairo.Color(1, 1, 1);
+            var surface = new ImageSurface(Format.RGB24, matrix.Width, matrix.Height);
+            var cr = new Context(surface);
+            for (var x = 0; x < matrix.Width; x++)
+            {
+                for (var y = 0; y < matrix.Height; y++)
+                {
+                    SetSourceColor(cr, matrix[x, y] ? black : white);
+                    cr.MoveTo(x, y);
+                    cr.LineTo(x + 1, y);
+                    cr.Stroke();
+                }
+            }
+            return new Pixbuf(surface.Data,
+                Colorspace.Rgb,
+                true,
+                8,
+                matrix.Width,
+                matrix.Height,
+                surface.Stride);
+        }
+
+        private void SetSourceColor(Context context, Cairo.Color color)
+        {
+            context.SetSourceRGB(color.R, color.G, color.B);
+        }
+
+        public Pixbuf Render(BitMatrix matrix, BarcodeFormat format, string content, EncodingOptions options)
+        {
+            return Render(matrix, format, content);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/OpenTK.dll b/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/OpenTK.dll
new file mode 100755
index 000000000..74955bafb
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/OpenTK.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/OpenTK.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/OpenTK.dll.config
new file mode 100755
index 000000000..7098d39e9
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/OpenTK.dll.config
@@ -0,0 +1,25 @@
+<configuration>
+  <dllmap os="linux" dll="opengl32.dll" target="libGL.so.1"/>
+  <dllmap os="linux" dll="glu32.dll" target="libGLU.so.1"/>
+  <dllmap os="linux" dll="openal32.dll" target="libopenal.so.1"/>
+  <dllmap os="linux" dll="alut.dll" target="libalut.so.0"/>
+  <dllmap os="linux" dll="opencl.dll" target="libOpenCL.so"/>
+  <dllmap os="linux" dll="libX11" target="libX11.so.6"/>
+  <dllmap os="linux" dll="libXi" target="libXi.so.6"/>
+  <dllmap os="linux" dll="SDL2.dll" target="libSDL2-2.0.so.0"/>
+  <dllmap os="osx" dll="opengl32.dll" target="/System/Library/Frameworks/OpenGL.framework/OpenGL"/>
+  <dllmap os="osx" dll="openal32.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
+  <dllmap os="osx" dll="alut.dll" target="/System/Library/Frameworks/OpenAL.framework/OpenAL" />
+  <dllmap os="osx" dll="libGLES.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="libGLESv1_CM.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="libGLESv2.dll" target="/System/Library/Frameworks/OpenGLES.framework/OpenGLES" />
+  <dllmap os="osx" dll="opencl.dll" target="/System/Library/Frameworks/OpenCL.framework/OpenCL"/>
+  <dllmap os="osx" dll="SDL2.dll" target="libSDL2.dylib"/>
+  <!-- XQuartz compatibility (X11 on Mac) -->
+  <dllmap os="osx" dll="libGL.so.1" target="/usr/X11/lib/libGL.dylib"/>
+  <dllmap os="osx" dll="libX11" target="/usr/X11/lib/libX11.dylib"/>
+  <dllmap os="osx" dll="libXcursor.so.1" target="/usr/X11/lib/libXcursor.dylib"/>
+  <dllmap os="osx" dll="libXi" target="/usr/X11/lib/libXi.dylib"/>
+  <dllmap os="osx" dll="libXinerama" target="/usr/X11/lib/libXinerama.dylib"/>
+  <dllmap os="osx" dll="libXrandr.so.2" target="/usr/X11/lib/libXrandr.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/README.txt b/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/README.txt
new file mode 100755
index 000000000..6ff2316b4
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/OpenTK/README.txt
@@ -0,0 +1 @@
+https://github.com/opentk/opentk
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/Mono.Cairo/Mono.Cairo.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/Mono.Cairo/Mono.Cairo.dll
new file mode 100755
index 000000000..924785a5e
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/Mono.Cairo/Mono.Cairo.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/Mono.Posix/Mono.Posix.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/Mono.Posix/Mono.Posix.dll
new file mode 100755
index 000000000..83fff4608
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/Mono.Posix/Mono.Posix.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/README.txt b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/README.txt
new file mode 100755
index 000000000..b49a3bc47
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/README.txt
@@ -0,0 +1 @@
+https://github.com/mono/gtk-sharp
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.dll
new file mode 100755
index 000000000..9f3ac86b6
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.dll.config
new file mode 100644
index 000000000..f6d925fa8
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.dll.config
@@ -0,0 +1,4 @@
+<configuration>
+  <dllmap dll="libgobject-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/5.12.0/lib/libgobject-2.0.0.dylib"/>
+  <dllmap dll="libatk-1.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/5.12.0/lib/libatk-1.0.0.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.pdb b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.pdb
new file mode 100755
index 000000000..c2bce621f
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/atk-sharp.pdb differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.dll
new file mode 100755
index 000000000..5c799afa2
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.dll.config
new file mode 100644
index 000000000..8c16b10dd
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.dll.config
@@ -0,0 +1,6 @@
+<configuration>
+  <dllmap dll="libglib-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libglib-2.0.0.dylib"/>
+  <dllmap dll="libgobject-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgobject-2.0.0.dylib"/>
+  <dllmap dll="libgdk-win32-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgdk-quartz-2.0.0.dylib"/>
+  <dllmap dll="libgdk_pixbuf-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgdk_pixbuf-2.0.0.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.pdb b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.pdb
new file mode 100755
index 000000000..813ff10ef
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gdk-sharp.pdb differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.dll
new file mode 100755
index 000000000..58248a0ea
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.dll.config
new file mode 100644
index 000000000..27ab53d2a
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.dll.config
@@ -0,0 +1,3 @@
+<configuration>
+  <dllmap dll="libglade-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libglade-2.0.0.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.pdb b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.pdb
new file mode 100755
index 000000000..3329a768a
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glade-sharp.pdb differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.dll
new file mode 100755
index 000000000..0c5171b90
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.dll.config
new file mode 100644
index 000000000..0af11ac99
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.dll.config
@@ -0,0 +1,5 @@
+<configuration>
+  <dllmap dll="libglib-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libglib-2.0.0.dylib"/>
+  <dllmap dll="libgobject-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgobject-2.0.0.dylib"/>
+  <dllmap dll="libgthread-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgthread-2.0.0.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.pdb b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.pdb
new file mode 100755
index 000000000..e21bdee54
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/glib-sharp.pdb differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.dll
new file mode 100755
index 000000000..5fe8fd462
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.dll.config
new file mode 100644
index 000000000..ee8038e57
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.dll.config
@@ -0,0 +1,3 @@
+<configuration>
+  <dllmap dll="libgdk-win32-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgdk-quartz-2.0.0.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.pdb b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.pdb
new file mode 100755
index 000000000..849fc794a
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-dotnet.pdb differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-sharp.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-sharp.dll
new file mode 100755
index 000000000..09ebb10e5
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-sharp.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-sharp.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-sharp.dll.config
new file mode 100644
index 000000000..7468e04bf
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/gtk-sharp.dll.config
@@ -0,0 +1,7 @@
+<configuration>
+  <dllmap dll="libglib-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libglib-2.0.0.dylib"/>
+  <dllmap dll="libgobject-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgobject-2.0.0.dylib"/>
+  <dllmap dll="libatk-1.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libatk-1.0.0.dylib"/>
+  <dllmap dll="libgtk-win32-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgtk-quartz-2.0.0.dylib"/>
+  <dllmap dll="libgdk-win32-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgdk-quartz-2.0.0.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.dll b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.dll
new file mode 100755
index 000000000..5fc3867e7
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.dll.config
new file mode 100644
index 000000000..81777bc8a
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.dll.config
@@ -0,0 +1,6 @@
+<configuration>
+  <dllmap dll="libglib-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libglib-2.0.0.dylib"/>
+  <dllmap dll="libgobject-2.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libgobject-2.0.0.dylib"/>
+  <dllmap dll="libpango-1.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libpango-1.0.0.dylib"/>
+  <dllmap dll="libpangocairo-1.0-0.dll" target="/Library/Frameworks/Mono.framework/Versions/Current/lib/libpangocairo-1.0.0.dylib"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.pdb b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.pdb
new file mode 100755
index 000000000..524a7e2f2
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/gtk-sharp/gtk-sharp-2.0/pango-sharp.pdb differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/README.txt b/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/README.txt
new file mode 100755
index 000000000..dc5848e2e
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/README.txt
@@ -0,0 +1 @@
+https://github.com/mono/webkit-sharp
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/webkit-sharp.dll b/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/webkit-sharp.dll
new file mode 100755
index 000000000..46646ba82
Binary files /dev/null and b/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/webkit-sharp.dll differ
diff --git a/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/webkit-sharp.dll.config b/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/webkit-sharp.dll.config
new file mode 100755
index 000000000..438480176
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Libs/webkit-sharp/webkit-sharp.dll.config
@@ -0,0 +1,5 @@
+<configuration>
+  <dllmap dll="webkit-1.0" target="libwebkitgtk-1.0.0.dylib"/>
+  <dllmap dll="webkit-1.0" os="linux" target="libwebkitgtk-1.0.so.0"/>
+  <dllmap dll="webkit-1.0" os="windows" target="libwebkitgtk-1.0-0.dll"/>
+</configuration>
diff --git a/Source/ZXing.Net.Mobile.GTK/Properties/AssemblyInfo.cs b/Source/ZXing.Net.Mobile.GTK/Properties/AssemblyInfo.cs
new file mode 100644
index 000000000..ee45e40a5
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/Properties/AssemblyInfo.cs
@@ -0,0 +1,35 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("ZXing.Net.Mobile.GTK")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("ZXing.Net.Mobile.GTK")]
+[assembly: AssemblyCopyright("${AuthorCopyright}")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("007476EF-D7CA-4198-BDED-3544D0EBD546")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
\ No newline at end of file
diff --git a/Source/ZXing.Net.Mobile.GTK/ZXing.Net.Mobile.GTK.csproj b/Source/ZXing.Net.Mobile.GTK/ZXing.Net.Mobile.GTK.csproj
new file mode 100644
index 000000000..fd48c0dba
--- /dev/null
+++ b/Source/ZXing.Net.Mobile.GTK/ZXing.Net.Mobile.GTK.csproj
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{007476EF-D7CA-4198-BDED-3544D0EBD546}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>ZXing.Net.Mobile</RootNamespace>
+    <AssemblyName>ZXingNetMobile</AssemblyName>
+    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\..\Build\Debug\xamgtk</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\..\Build\Release\xamgtk</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="gdk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>Libs\gtk-sharp\gtk-sharp-2.0\gdk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="glib-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>Libs\gtk-sharp\gtk-sharp-2.0\glib-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="gtk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f">
+      <HintPath>Libs\gtk-sharp\gtk-sharp-2.0\gtk-sharp.dll</HintPath>
+    </Reference>
+    <Reference Include="Mono.Cairo, Version=4.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756">
+      <HintPath>Libs\gtk-sharp\Mono.Cairo\Mono.Cairo.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="BarcodeWriter.cs" />
+    <Compile Include="BitmapRenderer.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\ZXing.Net.Mobile.Core\ZXing.Net.Mobile.Core.csproj">
+      <Project>{7528dd0a-1781-47f4-adbf-eeddb011f6bb}</Project>
+      <Name>ZXing.Net.Mobile.Core</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\ZXing.Net\Source\lib\zxing.portable.csproj">
+      <Project>{24b441f2-cbe9-4405-9fd0-72ebcbea0ec3}</Project>
+      <Name>zxing.portable</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+         Other similar extension points exist, see Microsoft.Common.targets.
+    <Target Name="BeforeBuild">
+    </Target>
+    <Target Name="AfterBuild">
+    </Target>
+    -->
+</Project>
\ No newline at end of file
diff --git a/ZXing.Net.Mobile.Forms.nuspec b/ZXing.Net.Mobile.Forms.nuspec
index 288a9e3e0..9528579bc 100644
--- a/ZXing.Net.Mobile.Forms.nuspec
+++ b/ZXing.Net.Mobile.Forms.nuspec
@@ -19,6 +19,10 @@
 
             <group targetFramework="net">
             </group>
+            <group targetFramework="net45">
+                <dependency id="ZXing.Net.Xamarin" version="$version$" />
+                <dependency id="Xamarin.Forms" version="3.0.0.446417" />
+            </group>
             <group targetFramework="win">
             </group>
             <group targetFramework="wp">
@@ -28,11 +32,11 @@
             <group targetFramework="netstandard1.0">
                 <dependency id="NETStandard.Library" version="1.6.1" />
                 <dependency id="ZXing.Net.Xamarin" version="$version$" />
-                <dependency id="Xamarin.Forms" version="2.5.0.122203" />
+                <dependency id="Xamarin.Forms" version="3.0.0.446417" />
             </group>
             <group targetFramework="netstandard2.0">
                 <dependency id="ZXing.Net.Xamarin" version="$version$" />
-                <dependency id="Xamarin.Forms" version="2.5.0.122203" />
+                <dependency id="Xamarin.Forms" version="3.0.0.446417" />
             </group>
             <group targetFramework="MonoAndroid10">
                 <dependency id="Xamarin.Android.Support.v4" version="25.4.0.2" />
@@ -40,19 +44,19 @@
             </group>
             <group targetFramework="Xamarin.iOS10">
                 <dependency id="ZXing.Net.Xamarin" version="$version$" />
-                <dependency id="Xamarin.Forms" version="2.5.0.122203" />
+                <dependency id="Xamarin.Forms" version="3.0.0.446417" />
             </group>
             <group targetFramework="Xamarin.Mac20">
                 <dependency id="ZXing.Net.Xamarin" version="$version$" />
-                <dependency id="Xamarin.Forms" version="2.5.0.122203" />
+                <dependency id="Xamarin.Forms" version="3.0.0.446417" />
             </group>
             <group targetFramework="portable-net45+win+wpa81+wp80">
                 <dependency id="ZXing.Net.Xamarin" version="$version$" />
-                <dependency id="Xamarin.Forms" version="2.5.0.122203" />
+                <dependency id="Xamarin.Forms" version="3.0.0.446417" />
             </group>
             <group targetFramework="uap">
                 <dependency id="ZXing.Net.Xamarin" version="$version$" />
-                <dependency id="Xamarin.Forms" version="2.5.0.122203" />
+                <dependency id="Xamarin.Forms" version="3.0.0.446417" />
             </group>
             <group targetFramework="dotnet">
             </group>
@@ -71,6 +75,17 @@
         <file src="Build/Forms/Release/ios-unified/ZXing.Net.Mobile.Forms.dll" target="lib\Xamarin.iOS10\ZXing.Net.Mobile.Forms.dll" />
         <file src="Build/Forms/Release/ios-unified/ZXing.Net.Mobile.Forms.iOS.dll" target="lib\Xamarin.iOS10\ZXing.Net.Mobile.Forms.iOS.dll" />
 
+        <!-- GTK -->
+        <file src="Build/Forms/Release/xamgtk/ZXing.Net.Mobile.Forms.dll" target="lib\net45\ZXing.Net.Mobile.Forms.dll" />
+        <file src="Build/Forms/Release/xamgtk/ZXing.Net.Mobile.Forms.GTK.dll" target="lib\net45\ZXing.Net.Mobile.Forms.GTK.dll" />
+        <file src="Build/Forms/Release/xamgtk/gdk-sharp.dll" target="lib\net45\gdk-sharp.dll" />
+        <file src="Build/Forms/Release/xamgtk/gdk-sharp.dll.config" target="lib\net45\gdk-sharp.dll.config" />        
+        <file src="Build/Forms/Release/xamgtk/glib-sharp.dll" target="lib\net45\glib-sharp.dll" />
+        <file src="Build/Forms/Release/xamgtk/glib-sharp.dll.config" target="lib\net45\glib-sharp.dll.config" />
+        <file src="Build/Forms/Release/xamgtk/gtk-sharp.dll" target="lib\net45\gtk-sharp.dll" />
+        <file src="Build/Forms/Release/xamgtk/gtk-sharp.dll.config" target="lib\net45\gtk-sharp.dll.config" />
+        <file src="Build/Forms/Release/xamgtk/Mono.Cairo.dll" target="lib\net45\Mono.Cairo.dll" />
+      
         <!-- Xamarin.Mac API -->
         <file src="Build/Forms/Release/xammac/ZXing.Net.Mobile.Forms.dll" target="lib\Xamarin.Mac\ZXing.Net.Mobile.Forms.dll" />
         <file src="Build/Forms/Release/xammac/ZXing.Net.Mobile.Forms.macOS.dll" target="lib\Xamarin.Mac\ZXing.Net.Mobile.Forms.macOS.dll" />
diff --git a/ZXing.Net.Mobile.Forms.sln b/ZXing.Net.Mobile.Forms.sln
index 6a4b632d7..87b696fe6 100644
--- a/ZXing.Net.Mobile.Forms.sln
+++ b/ZXing.Net.Mobile.Forms.sln
@@ -29,6 +29,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.Forms.Wind
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.Forms.iOS", "Source\ZXing.Net.Mobile.Forms.iOS\ZXing.Net.Mobile.Forms.iOS.csproj", "{8370ADB4-229C-4DEC-908F-B1A8FC155523}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.GTK", "Source\ZXing.Net.Mobile.GTK\ZXing.Net.Mobile.GTK.csproj", "{007476EF-D7CA-4198-BDED-3544D0EBD546}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.Forms.GTK", "Source\ZXing.Net.Mobile.Forms.GTK\ZXing.Net.Mobile.Forms.GTK.csproj", "{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}"
+EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.macOS", "Source\ZXing.Net.Mobile.macOS\ZXing.Net.Mobile.macOS.csproj", "{A7E26AE0-12AF-4CFD-9B1E-3101347CC6F4}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZXing.Net.Mobile.Forms.macOS", "Source\ZXing.Net.Mobile.Forms.macOS\ZXing.Net.Mobile.Forms.macOS.csproj", "{B35BF95F-D2AA-4DD3-8BC9-44F85F8C4DA1}"
@@ -582,6 +586,102 @@ Global
 		{8370ADB4-229C-4DEC-908F-B1A8FC155523}.ReleaseWin|x64.Build.0 = Release|Any CPU
 		{8370ADB4-229C-4DEC-908F-B1A8FC155523}.ReleaseWin|x86.ActiveCfg = Release|Any CPU
 		{8370ADB4-229C-4DEC-908F-B1A8FC155523}.ReleaseWin|x86.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|ARM.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x64.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Debug|x86.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|Any CPU.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|ARM.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|ARM.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|iPhone.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x64.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x64.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x86.ActiveCfg = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.Release|x86.Build.0 = Release|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|Any CPU.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|Any CPU.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|ARM.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|ARM.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|iPhone.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|iPhone.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|x64.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|x64.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|x86.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseMac|x86.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|Any CPU.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|Any CPU.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|ARM.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|ARM.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|iPhone.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|iPhone.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|x64.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|x64.Build.0 = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|x86.ActiveCfg = Debug|Any CPU
+		{007476EF-D7CA-4198-BDED-3544D0EBD546}.ReleaseWin|x86.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|ARM.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|x64.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Debug|x86.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|ARM.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|ARM.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|iPhone.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|x64.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|x64.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|x86.ActiveCfg = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.Release|x86.Build.0 = Release|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|Any CPU.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|Any CPU.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|ARM.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|ARM.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|iPhone.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|iPhone.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|x64.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|x64.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|x86.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseMac|x86.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|Any CPU.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|Any CPU.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|ARM.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|ARM.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|iPhone.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|iPhone.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|x64.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|x64.Build.0 = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|x86.ActiveCfg = Debug|Any CPU
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3}.ReleaseWin|x86.Build.0 = Debug|Any CPU
 		{A7E26AE0-12AF-4CFD-9B1E-3101347CC6F4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{A7E26AE0-12AF-4CFD-9B1E-3101347CC6F4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A7E26AE0-12AF-4CFD-9B1E-3101347CC6F4}.Debug|ARM.ActiveCfg = Debug|Any CPU
@@ -694,6 +794,8 @@ Global
 		{DC2FF2AE-4090-4056-BBE4-087BDE6567BD} = {72EC3146-EA1B-4963-9248-55065728AF7F}
 		{C785F56E-0D1D-492C-850B-4D882314F29B} = {72EC3146-EA1B-4963-9248-55065728AF7F}
 		{8370ADB4-229C-4DEC-908F-B1A8FC155523} = {72EC3146-EA1B-4963-9248-55065728AF7F}
+		{007476EF-D7CA-4198-BDED-3544D0EBD546} = {2DC0C8D5-DF7F-4D96-886D-D7E83522C9BF}
+		{7AA0ABCF-DBF1-4190-8E82-44DD736BE2F3} = {72EC3146-EA1B-4963-9248-55065728AF7F}
 		{A7E26AE0-12AF-4CFD-9B1E-3101347CC6F4} = {2DC0C8D5-DF7F-4D96-886D-D7E83522C9BF}
 		{B35BF95F-D2AA-4DD3-8BC9-44F85F8C4DA1} = {72EC3146-EA1B-4963-9248-55065728AF7F}
 	EndGlobalSection
diff --git a/ZXing.Net.Mobile.nuspec b/ZXing.Net.Mobile.nuspec
index c48c153d5..0d693b9c6 100644
--- a/ZXing.Net.Mobile.nuspec
+++ b/ZXing.Net.Mobile.nuspec
@@ -62,6 +62,18 @@
         <file src="Build/Release/ios-unified/ZXing.Net.Mobile.Core.dll" target="lib\Xamarin.iOS10\ZXing.Net.Mobile.Core.dll" />
         <file src="Build/Release/ios-unified/ZXingNetMobile.dll" target="lib\Xamarin.iOS10\ZXingNetMobile.dll" />
 
+        <!-- GTK -->
+        <file src="Build/Release/xamgtk/zxing.portable.dll" target="lib\net45\zxing.portable.dll" />
+        <file src="Build/Release/xamgtk/ZXing.Net.Mobile.Core.dll" target="lib\net45\ZXing.Net.Mobile.Core.dll" />
+        <file src="Build/Release/xamgtk/ZXingNetMobile.dll" target="lib\net45\ZXingNetMobile.dll" />
+        <file src="Build/Release/xamgtk/gdk-sharp.dll" target="lib\net45\gdk-sharp.dll" />
+        <file src="Build/Release/xamgtk/gdk-sharp.dll.config" target="lib\net45\gdk-sharp.dll.config" />
+        <file src="Build/Release/xamgtk/glib-sharp.dll" target="lib\net45\glib-sharp.dll" />
+        <file src="Build/Release/xamgtk/glib-sharp.dll.config" target="lib\net45\glib-sharp.dll.config" />
+        <file src="Build/Release/xamgtk/gtk-sharp.dll" target="lib\net45\gtk-sharp.dll" />
+        <file src="Build/Release/xamgtk/gtk-sharp.dll.config" target="lib\net45\gtk-sharp.dll.config" />
+        <file src="Build/Release/xamgtk/Mono.Cairo.dll" target="lib\net45\Mono.Cairo.dll" />
+
         <!-- Xamarin.Mac API -->
         <file src="Build/Release/xammac/zxing.portable.dll" target="lib\Xamarin.Mac\zxing.portable.dll" />
         <file src="Build/Release/xammac/ZXing.Net.Mobile.Core.dll" target="lib\Xamarin.Mac\ZXing.Net.Mobile.Core.dll" />
diff --git a/readme.md b/readme.md
index ca96bbdbd..b9b564ec0 100644
--- a/readme.md
+++ b/readme.md
@@ -64,6 +64,14 @@ In your `AppDelegate`'s `FinishedLaunching (..)` implementation, call:
 ZXing.Net.Mobile.Forms.iOS.Platform.Init();
 ```
 
+##### GTK#
+
+In your `MainClass`'s `Main (..)` implementation, call:
+
+```csharp
+ZXing.Net.Mobile.Forms.GTK.Platform.Init();
+```
+
 
 ##### macOS
 
@@ -96,6 +104,7 @@ If you notice that finishing scanning or pressing the back button is causing you
 - Xamarin.iOS
 - Xamarin.Mac (rendering only, not scanning)
 - Xamarin.Android (Including Google Glass)
+- GTK# (rendering only, not scanning)
 - Windows Phone 8
 - Simple API - Scan in as little as 2 lines of code!
 - Scanner as a View - UIView (iOS) / Fragment (Android) / Control (WP)