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Added Constraint Layout and Solver bindings
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‎constraint-layout-solver/README.md

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Android Support Constraint Layout
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=================================
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Xamarin creates and maintains Xamarin.Android bindings for the Google Android Support Constraint Layout Libraries, including:
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- Constraint Layout
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- Constraint Layout Solver
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## License
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See the top level [README.md](../README.md) for more information.
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## Contribution Guidelines
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See the top level [README.md](../README.md) for more information.
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## .NET Foundation
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See the top level [README.md](../README.md) for more information.
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‎constraint-layout-solver/nuget/Xamarin.Android.Support.Constraint.Layout.Solver.nuspec

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<?xml version="1.0"?>
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<package >
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<metadata>
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<id>Xamarin.Android.Support.Constraint.Layout.Solver</id>
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<title>Xamarin Android Constraint Layout Solver</title>
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<version>$version$</version>
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<authors>Xamarin Inc.</authors>
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<owners>Xamarin Inc.</owners>
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<requireLicenseAcceptance>true</requireLicenseAcceptance>
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<description>Android Constraint Layout Solver C# bindings for Xamarin</description>
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<copyright>Copyright © Microsoft Corporation</copyright>
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<projectUrl>https://github.com/xamarin/AndroidSupportComponents/</projectUrl>
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<licenseUrl>https://github.com/xamarin/AndroidSupportComponents/blob/master/LICENSE.md</licenseUrl>
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<iconUrl>https://raw.githubusercontent.com/xamarin/GooglePlayServicesComponents/master/icons/constraint-layout-solver_128x128.png</iconUrl>
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</metadata>
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<files>
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<file src="output/Xamarin.Android.Support.Constraint.Layout.Solver.dll" target="lib/MonoAndroid70" />
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</files>
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</package>

‎constraint-layout-solver/source/ConstraintLayoutSolver.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{84FD66DF-C448-425E-860F-C0B076EED150}</ProjectGuid>
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<ProjectTypeGuids>{10368E6C-D01B-4462-8E8B-01FC667A7035};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
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<OutputType>Library</OutputType>
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<RootNamespace>Android.Support.Constraints</RootNamespace>
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<AssemblyName>Xamarin.Android.Support.Constraint.Layout.Solver</AssemblyName>
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<TargetFrameworkVersion>v7.0</TargetFrameworkVersion>
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<MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
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<MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
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<AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
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<AndroidClassParser>class-parse</AndroidClassParser>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug</OutputPath>
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<DefineConstants>DEBUG;</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<AndroidLinkMode>None</AndroidLinkMode>
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<AllowUnsafeBlocks>false</AllowUnsafeBlocks>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release</OutputPath>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<AndroidManagedSymbols>true</AndroidManagedSymbols>
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<AndroidUseSharedRuntime>false</AndroidUseSharedRuntime>
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<AllowUnsafeBlocks>false</AllowUnsafeBlocks>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Xml" />
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<Reference Include="System.Core" />
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<Reference Include="Mono.Android" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<ItemGroup>
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<TransformFile Include="Transforms\EnumFields.xml" />
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<TransformFile Include="Transforms\EnumMethods.xml" />
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<TransformFile Include="Transforms\Metadata.xml" />
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</ItemGroup>
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<ItemGroup>
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<InputJar Include="..\..\externals\solver\constraint-layout-solver-1.0.0-alpha9.jar">
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<Link>Jars\constraint-layout-solver.jar</Link>
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</InputJar>
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</ItemGroup>
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<ItemGroup>
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<Folder Include="Additions\" />
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</ItemGroup>
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<Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.Bindings.targets" />
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</Project>

‎constraint-layout-solver/source/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using Android.App;
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// Information about this assembly is defined by the following attributes.
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// Change them to the values specific to your project.
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[assembly: AssemblyTitle ("Xamarin.Android.Support.Constraint.Layout.Solver")]
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[assembly: AssemblyDescription ("")]
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[assembly: AssemblyConfiguration ("")]
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[assembly: AssemblyCompany ("Microsoft Corporation")]
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[assembly: AssemblyProduct ("")]
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[assembly: AssemblyCopyright ("Copyright © Microsoft Corporation")]
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[assembly: AssemblyTrademark ("")]
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[assembly: AssemblyCulture ("")]
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// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
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// The form "{Major}.{Minor}.*" will automatically update the build and revision,
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// and "{Major}.{Minor}.{Build}.*" will update just the revision.
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[assembly: AssemblyVersion ("1.0.0")]
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// The following attributes are used to specify the signing key for the assembly,
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// if desired. See the Mono documentation for more information about signing.
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//[assembly: AssemblyDelaySign(false)]
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//[assembly: AssemblyKeyFile("")]
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[assembly: Java.Interop.JavaLibraryReference (__Consts.JarPath,
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PackageName = __Consts.PackageName,
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SourceUrl = __Consts.Url,
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//EmbeddedArchive = __Consts.JarPath,
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Version = __Consts.Version,
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Sha1sum = __Consts.Sha1sum)]
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//[assembly: Android.IncludeAndroidResourcesFromAttribute ("./",
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// PackageName = __Consts.PackageName,
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// SourceUrl = __Consts.Url,
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// EmbeddedArchive = __Consts.AarPath,
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// Version = __Consts.Version,
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// Sha1sum = __Consts.Sha1sum)]
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static class __Consts
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{
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public const string JarPath = "solver/constraint-layout-solver-" + JarVersion + ".jar";
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public const string JarVersion = "1.0.0-alpha9";
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public const string Version = JarVersion;
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public const string PackageName = "Xamarin.Android.Support.Constraint.Layout.Solver";
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public const string Url = "https://dl-ssl.google.com/android/repository/com.android.support.constraint-constraint-layout-solver-" + JarVersion + ".zip";
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public const string Sha1sum = "2c52ddd883d83230a17042b8f4ba03669f0f5f40";
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}

‎constraint-layout-solver/source/Transforms/EnumFields.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<enum-field-mappings>
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<!--
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This example converts the constants Fragment_id, Fragment_name,
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and Fragment_tag from android.support.v4.app.FragmentActivity.FragmentTag
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to an enum called Android.Support.V4.App.FragmentTagType with values
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Id, Name, and Tag.
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<mapping clr-enum-type="Android.Support.V4.App.FragmentTagType" jni-class="android/support/v4/app/FragmentActivity$FragmentTag">
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<field clr-name="Id" jni-name="Fragment_id" value="1" />
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<field clr-name="Name" jni-name="Fragment_name" value="0" />
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<field clr-name="Tag" jni-name="Fragment_tag" value="2" />
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</type>
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Notes:
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- An optional "bitfield" attribute marks the enum type with [Flags].
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- For Java interfaces, use "jni-interface" attribute instead of "jni-class" attribute.
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-->
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</enum-field-mappings>

‎constraint-layout-solver/source/Transforms/EnumMethods.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<enum-method-mappings>
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<!--
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This example changes the Java method:
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android.support.v4.app.Fragment.SavedState.writeToParcel (int flags)
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to be:
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android.support.v4.app.Fragment.SavedState.writeToParcel (Android.OS.ParcelableWriteFlags flags)
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when bound in C#.
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<mapping jni-class="android/support/v4/app/Fragment.SavedState">
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<method jni-name="writeToParcel" parameter="flags" clr-enum-type="Android.OS.ParcelableWriteFlags" />
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</mapping>
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Notes:
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- For Java interfaces, use "jni-interface" attribute instead of "jni-class" attribute.
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- To change the type of the return value, use "return" as the parameter name.
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- The parameter names will be p0, p1, ... unless you provide JavaDoc file in the project.
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-->
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</enum-method-mappings>

‎constraint-layout-solver/source/Transforms/Metadata.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<metadata>
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<attr path="/api/package[@name='android.support.constraint.solver']" name="managedName">Android.Support.Constraints.Solver</attr>
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<attr path="/api/package[@name='android.support.constraint.solver.widgets']" name="managedName">Android.Support.Constraints.Solver.Widgets</attr>
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<attr path="/api/package[@name='android.support.constraint.solver.widgets']/class[@name='ConstraintAnchor']/method[@name='getType' and count(parameter)=0]" name="managedName">GetAnchorType</attr>
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<attr path="/api/package[@name='android.support.constraint.solver.widgets']/class[@name='Guideline']/field[@name='RELATIVE_END']" name="managedName">RELATIVE_END</attr>
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<attr path="/api/package[@name='android.support.constraint.solver.widgets']/class[@name='Guideline']/field[@name='RELATIVE_BEGIN']" name="managedName">RELATIVE_BEGIN</attr>
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<attr path="/api/package[@name='android.support.constraint.solver.widgets']/class[@name='Guideline']/field[@name='RELATIVE_PERCENT']" name="managedName">RELATIVE_PERCENT</attr>
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<!-- Yes, google typo'd this, we'll fix it, and eventually they probably will too -->
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<attr path="/api/package[@name='android.support.constraint.solver.widgets']/class[@name='Guideline']/field[@name='RELATIVE_UNKNWON']" name="managedName">RELATIVE_UNKNOWN</attr>
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<attr path="/api/package[@name='android.support.constraint.solver.widgets']/class[@name='Guideline']/field[@name='VERTICAL']" name="managedName">VERTICAL</attr>
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<attr path="/api/package[@name='android.support.constraint.solver.widgets']/class[@name='Guideline']/field[@name='HORIZONTAL']" name="managedName">HORIZONTAL</attr>
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</metadata>
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‎constraint-layout/ConstraintLayout.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 2012
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConstraintLayout", "source\ConstraintLayout.csproj", "{045F2ED1-9752-4CC2-A73C-86A5B9E28C8F}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConstraintLayoutSolver", "..\constraint-layout-solver\source\ConstraintLayoutSolver.csproj", "{84FD66DF-C448-425E-860F-C0B076EED150}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{045F2ED1-9752-4CC2-A73C-86A5B9E28C8F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{045F2ED1-9752-4CC2-A73C-86A5B9E28C8F}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{045F2ED1-9752-4CC2-A73C-86A5B9E28C8F}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{045F2ED1-9752-4CC2-A73C-86A5B9E28C8F}.Release|Any CPU.Build.0 = Release|Any CPU
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{84FD66DF-C448-425E-860F-C0B076EED150}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{84FD66DF-C448-425E-860F-C0B076EED150}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{84FD66DF-C448-425E-860F-C0B076EED150}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{84FD66DF-C448-425E-860F-C0B076EED150}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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EndGlobal

‎constraint-layout/README.md

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Android Support Constraint Layout
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=================================
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Xamarin creates and maintains Xamarin.Android bindings for the Google Android Support Constraint Layout Libraries, including:
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- Constraint Layout
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- Constraint Layout Solver
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## License
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See the top level [README.md](../README.md) for more information.
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## Contribution Guidelines
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See the top level [README.md](../README.md) for more information.
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## .NET Foundation
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See the top level [README.md](../README.md) for more information.
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‎constraint-layout/build.cake

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#tool nuget:?package=XamarinComponent
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#addin nuget:?package=Cake.Xamarin
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#addin nuget:?package=Cake.Xamarin.Build
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var TARGET = Argument ("target", Argument ("t", "Default"));
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var NUGET_VERSION = "1.0.0-alpha9";
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var AAR_VERSION = "1.0.0-alpha9";
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var CONSTRAINT_LAYOUT_URL = string.Format ("https://dl-ssl.google.com/android/repository/com.android.support.constraint-constraint-layout-{0}.zip", AAR_VERSION);
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var CONSTRAINT_LAYOUT_SOLVER_URL = string.Format ("https://dl-ssl.google.com/android/repository/com.android.support.constraint-constraint-layout-solver-{0}.zip", AAR_VERSION);
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var buildSpec = new BuildSpec {
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Libs = new [] {
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new DefaultSolutionBuilder {
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SolutionPath = "./ConstraintLayout.sln",
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BuildsOn = BuildPlatforms.Windows | BuildPlatforms.Mac,
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OutputFiles = new [] {
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new OutputFileCopy { FromFile = "./source/bin/Release/Xamarin.Android.Support.Constraint.Layout.dll", ToDirectory = "./output/" },
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new OutputFileCopy { FromFile = "../constraint-layout-solver/source/bin/Release/Xamarin.Android.Support.Constraint.Layout.Solver.dll", ToDirectory = "./output/" },
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}
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}
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},
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Samples = new [] {
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new DefaultSolutionBuilder { SolutionPath = "./samples/ConstraintLayoutSample.sln", BuildsOn = BuildPlatforms.Windows | BuildPlatforms.Mac },
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},
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NuGets = new [] {
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new NuGetInfo { NuSpec = "./nuget/Xamarin.Android.Support.Constraint.Layout.nuspec", Version = NUGET_VERSION, RequireLicenseAcceptance = true },
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new NuGetInfo { NuSpec = "../constraint-layout-solver/nuget/Xamarin.Android.Support.Constraint.Layout.Solver.nuspec", Version = NUGET_VERSION, RequireLicenseAcceptance = true },
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},
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};
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Task ("externals")
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.WithCriteria (() => !FileExists ("../externals/constraintlayout/classes.jar")).Does (() =>
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{
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var path = "../externals/";
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EnsureDirectoryExists (path);
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// Get the actual .aar files and extract
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if (!FileExists (path + "constraintlayout.zip"))
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DownloadFile (CONSTRAINT_LAYOUT_URL, path + "constraintlayout.zip");
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if (!FileExists (path + "constraintlayout/source.properties"))
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Unzip(path + "constraintlayout.zip", path);
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Unzip (path + "constraintlayout/constraint-layout-" + AAR_VERSION + ".aar", path + "constraintlayout/");
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if (!FileExists (path + "constraintlayoutsolver.zip"))
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DownloadFile (CONSTRAINT_LAYOUT_SOLVER_URL, path + "constraintlayoutsolver.zip");
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if (!FileExists (path + "solver/source.properties"))
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Unzip(path + "constraintlayoutsolver.zip", path);
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});
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Task ("clean").IsDependentOn ("clean-base").Does (() =>
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{
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if (DirectoryExists ("../externals/constraintlayout"))
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DeleteDirectory ("../externals/constraintlayout", true);
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if (FileExists ("../externals/constraintlayout.zip"))
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DeleteFile ("../externals/constraintlayout.zip");
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if (DirectoryExists ("../externals/solver"))
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DeleteDirectory ("../externals/solver", true);
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if (FileExists ("../externals/solver.zip"))
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DeleteFile ("../externals/solver.zip");
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if (DirectoryExists ("./output"))
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DeleteDirectory ("./output", true);
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});
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SetupXamarinBuildTasks (buildSpec, Tasks, Task);
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RunTarget (TARGET);

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