diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..9d86497
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,97 @@
+# Suppress: EC112
+# top-most EditorConfig file
+root = true
+
+# Don't use tabs for indentation.
+[*]
+indent_style = tab
+# (Please don't specify an indent_size here; that has too many unintended consequences.)
+
+# Code files
+[*.{cs,csx,vb,vbx}]
+indent_size = 4
+
+# Xml project files
+[*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,projitems,shproj}]
+indent_size = 2
+
+# Xml config files
+[*.{props,targets,ruleset,config,nuspec,resx,vsixmanifest,vsct}]
+indent_size = 2
+
+# JSON files
+[*.json]
+indent_size = 2
+
+# Dotnet code style settings:
+[*.{cs,vb}]
+# Sort using and Import directives with System.* appearing first
+dotnet_sort_system_directives_first = false
+# Avoid "this." and "Me." if not necessary
+dotnet_style_qualification_for_field = false:suggestion
+dotnet_style_qualification_for_property = false:suggestion
+dotnet_style_qualification_for_method = false:suggestion
+dotnet_style_qualification_for_event = false:suggestion
+
+# Use language keywords instead of framework type names for type references
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
+dotnet_style_predefined_type_for_member_access = true:suggestion
+
+# Suggest more modern language features when available
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_coalesce_expression = true:suggestion
+dotnet_style_null_propagation = true:suggestion
+dotnet_style_explicit_tuple_names = true:suggestion
+
+# Naming Conventions:
+# Pascal Casing
+dotnet_naming_symbols.method_and_property_symbols.applicable_kinds= method,property,enum
+dotnet_naming_symbols.method_and_property_symbols.applicable_accessibilities = *
+dotnet_naming_style.pascal_case_style.capitalization = pascal_case
+
+dotnet_naming_rule.methods_and_properties_must_be_pascal_case.severity = warning
+dotnet_naming_rule.methods_and_properties_must_be_pascal_case.symbols = method_and_property_symbols
+dotnet_naming_rule.methods_and_properties_must_be_pascal_case.style = pascal_case_style
+
+# Non-public members must be lower-case
+dotnet_naming_symbols.non_public_symbols.applicable_kinds = property,method,field,event,delegate
+dotnet_naming_symbols.non_public_symbols.applicable_accessibilities = private
+dotnet_naming_style.all_lower_case_style.capitalization = camel_case
+
+dotnet_naming_rule.non_public_members_must_be_lower_case.severity = warning
+dotnet_naming_rule.non_public_members_must_be_lower_case.symbols = non_public_symbols
+dotnet_naming_rule.non_public_members_must_be_lower_case.style = all_lower_case_style
+
+# CSharp code style settings:
+[*.cs]
+# Do not prefer "var" everywhere
+csharp_style_var_for_built_in_types = true:error
+csharp_style_var_when_type_is_apparent = true:error
+csharp_style_var_elsewhere = true:error
+
+# Prefer method-like constructs to have a block body
+csharp_style_expression_bodied_methods = true:suggestion
+csharp_style_expression_bodied_constructors = true:suggestion
+csharp_style_expression_bodied_operators = true:suggestion
+
+# Prefer property-like constructs to have an expression-body
+csharp_style_expression_bodied_properties = true:suggestion
+csharp_style_expression_bodied_indexers = true:suggestion
+csharp_style_expression_bodied_accessors = true:suggestion
+
+# Suggest more modern language features when available
+csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
+csharp_style_inlined_variable_declaration = true:suggestion
+csharp_style_throw_expression = true:suggestion
+csharp_style_conditional_delegate_call = true:suggestion
+
+# Newline settings
+csharp_new_line_before_open_brace = all
+csharp_new_line_before_else = true
+csharp_new_line_before_catch = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_members_in_object_initializers = true
+csharp_new_line_before_members_in_anonymous_types = true
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..940794e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,288 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Typescript v1 declaration files
+typings/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
diff --git a/F50.Tests/F50.Tests.csproj b/F50.Tests/F50.Tests.csproj
new file mode 100644
index 0000000..c5ea24f
--- /dev/null
+++ b/F50.Tests/F50.Tests.csproj
@@ -0,0 +1,20 @@
+
+
+
+ netcoreapp2.0
+
+ false
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/F50.Tests/UnitTest1.cs b/F50.Tests/UnitTest1.cs
new file mode 100644
index 0000000..2917ae6
--- /dev/null
+++ b/F50.Tests/UnitTest1.cs
@@ -0,0 +1,14 @@
+using System;
+using Xunit;
+
+namespace F50.Tests
+{
+ public class UnitTest1
+ {
+ [Fact]
+ public void Test1()
+ {
+
+ }
+ }
+}
diff --git a/F50.sln b/F50.sln
new file mode 100644
index 0000000..888a604
--- /dev/null
+++ b/F50.sln
@@ -0,0 +1,41 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.27130.2027
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "F50", "F50\F50.csproj", "{B5FE6C55-6B11-44AA-95A8-27E92F9F5A32}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{579F334C-FB7F-448A-A638-8FCB1CE53D93}"
+ ProjectSection(SolutionItems) = preProject
+ .editorconfig = .editorconfig
+ EndProjectSection
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "F50.Tests", "F50.Tests\F50.Tests.csproj", "{445B6CA2-A1A3-4565-B7E8-D5AE6A5AF0CD}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{A14D061F-382D-4609-A3B0-E1D0BF7AB6AC}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {B5FE6C55-6B11-44AA-95A8-27E92F9F5A32}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {B5FE6C55-6B11-44AA-95A8-27E92F9F5A32}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {B5FE6C55-6B11-44AA-95A8-27E92F9F5A32}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {B5FE6C55-6B11-44AA-95A8-27E92F9F5A32}.Release|Any CPU.Build.0 = Release|Any CPU
+ {445B6CA2-A1A3-4565-B7E8-D5AE6A5AF0CD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {445B6CA2-A1A3-4565-B7E8-D5AE6A5AF0CD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {445B6CA2-A1A3-4565-B7E8-D5AE6A5AF0CD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {445B6CA2-A1A3-4565-B7E8-D5AE6A5AF0CD}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(NestedProjects) = preSolution
+ {445B6CA2-A1A3-4565-B7E8-D5AE6A5AF0CD} = {A14D061F-382D-4609-A3B0-E1D0BF7AB6AC}
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {105B0052-C7EA-44D0-8697-37A45E1392AF}
+ EndGlobalSection
+EndGlobal
diff --git a/F50/F50.csproj b/F50/F50.csproj
new file mode 100644
index 0000000..f68e5a2
--- /dev/null
+++ b/F50/F50.csproj
@@ -0,0 +1,62 @@
+
+
+
+ netstandard1.0;netstandard2.0;Xamarin.iOS10;MonoAndroid80;uap10.0.16299
+ Xamarin.F50
+ Xamarin.F50
+ Xamarin.F50
+ http://xamarin.com/content/images/nuget/xamarin.png
+ F50
+ xamarin, windows, ios, android, xamarin.forms, toolkit, f50
+ F50
+ F50
+ $(AssemblyName) ($(TargetFramework))
+ 1.0.0.0
+ 1.0.0.0
+ 1.0.0.0
+ 1.0.0.0
+ Xamarin Inc.
+ true
+ microsoft,Xamarin,XamarinNuGet
+ en
+ Copyright 2018
+ https://github.com/xamarin/f50
+ See: https://github.com/xamarin/f50
+ default
+ $(DefineConstants);
+ true
+ true
+ false
+ false
+ https://raw.githubusercontent.com/xamarin/f50/master/LICENSE
+ https://github.com/xamarin/f50
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/F50/Preferences/Preferences.android.cs b/F50/Preferences/Preferences.android.cs
new file mode 100644
index 0000000..3bde4cd
--- /dev/null
+++ b/F50/Preferences/Preferences.android.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Xamarin.F50
+{
+ public partial class Preferences
+ {
+ public void Set(string key, string val)
+ {
+
+ }
+ }
+}
diff --git a/F50/Preferences/Preferences.ios.cs b/F50/Preferences/Preferences.ios.cs
new file mode 100644
index 0000000..f95b888
--- /dev/null
+++ b/F50/Preferences/Preferences.ios.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Xamarin.F50
+{
+ public partial class Preferences
+ {
+ public void Set(string key, string val)
+ {
+
+ }
+ }
+}
diff --git a/F50/Preferences/Preferences.netstandard.cs b/F50/Preferences/Preferences.netstandard.cs
new file mode 100644
index 0000000..6f911f5
--- /dev/null
+++ b/F50/Preferences/Preferences.netstandard.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Xamarin.F50
+{
+ public partial class Preferences
+ {
+ public void Set(string key, string val) =>
+ throw new NotImplentedInReferenceAssembly();
+ }
+}
diff --git a/F50/Preferences/Preferences.shared.cs b/F50/Preferences/Preferences.shared.cs
new file mode 100644
index 0000000..5713a08
--- /dev/null
+++ b/F50/Preferences/Preferences.shared.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Xamarin.F50
+{
+ ///
+ /// Shared code between preferences
+ /// Contains static methods and shared members
+ ///
+ public partial class Preferences
+ {
+ public static void DoStuff()
+ {
+
+ }
+ }
+
+}
diff --git a/F50/Preferences/Preferences.uwp.cs b/F50/Preferences/Preferences.uwp.cs
new file mode 100644
index 0000000..bffd5eb
--- /dev/null
+++ b/F50/Preferences/Preferences.uwp.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Xamarin.F50
+{
+ public partial class Preferences
+ {
+ public void Set(string key, string val)
+ {
+
+ }
+ }
+}
diff --git a/F50/Preferences/PreferencesExtensions.shared.cs b/F50/Preferences/PreferencesExtensions.shared.cs
new file mode 100644
index 0000000..0fd1ffd
--- /dev/null
+++ b/F50/Preferences/PreferencesExtensions.shared.cs
@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Xamarin.F50
+{
+ public static class PreferencesExtensions
+ {
+ }
+}
diff --git a/F50/Shared/F50Exceptions.shared.cs b/F50/Shared/F50Exceptions.shared.cs
new file mode 100644
index 0000000..ed8754a
--- /dev/null
+++ b/F50/Shared/F50Exceptions.shared.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Xamarin.F50
+{
+ public class NotImplentedInReferenceAssembly : NotImplementedException
+ {
+ public NotImplentedInReferenceAssembly()
+ : base("This functionality is not implemented in the portable version of this assembly. You should reference the NuGet package from your main application project in order to reference the platform-specific implementation.")
+ {
+
+ }
+ }
+}