Add Android build

.gitignore

@@ -217,7 +217,6 @@ ClientBin/
 *.dbmdl
 *.dbproj.schemaview
 *.jfm
-*.pfx
 *.publishsettings
 orleans.codegen.cs
 

TsinghuaNet/TsinghuaNet.Standard.csproj

@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="MSBuild.Sdk.Extras/2.0.29">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;monoandroid10;xamarinios10</TargetFrameworks>
     <AssemblyVersion>4.0.0.0</AssemblyVersion>
     <FileVersion>4.0.0.0</FileVersion>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>

azure-pipelines.yml

@@ -10,6 +10,7 @@ variables:
   gtkProject: 'TsinghuaNet.Eto/TsinghuaNet.Eto.Gtk/TsinghuaNet.Eto.Gtk.csproj'
   macProject: 'TsinghuaNet.Eto/TsinghuaNet.Eto.Mac/TsinghuaNet.Eto.Mac.csproj'
   uwpProject: 'TsinghuaNet.Uno/TsinghuaNet.Uno.UWP/TsinghuaNet.Uno.UWP.csproj'
+  droidProject: 'TsinghuaNet.Uno/TsinghuaNet.Uno.Droid/TsinghuaNet.Uno.Droid.csproj'
 
 jobs:
 - job: Linux_CLI
@@ -207,4 +208,34 @@ jobs:
       solution: '$(uwpProject)'
       configuration: 'Release'
       msbuildArguments: '/p:AppxBundlePlatforms="x86|x64" /p:AppxPackageDir="build\uwp\AppxPackages" /p:AppxBundle=Always /p:UapAppxPackageBuildMode=SideloadOnly'
-      #msbuildArguments: '/p:JavaSdkDirectory="%JAVA_HOME%"'
+
+  - task: ArchiveFiles@2
+    inputs:
+      rootFolderOrFile: 'build\uwp\AppxPackages'
+      includeRootFolder: false
+      archiveType: 'zip'
+      archiveFile: '$(Build.ArtifactStagingDirectory)\TsinghuaNet.Uno.UWP.zip'
+
+  - task: PublishBuildArtifacts@1
+    inputs:
+      artifactName: 'publish'
+
+- job: Windows_Android
+  pool:
+    vmImage: 'windows-2019'
+  steps:
+  - task: NuGetToolInstaller@0
+    inputs:
+      versionSpec: '5.1.0'
+
+  - task: NuGetCommand@2
+    inputs:
+      restoreSolution: '$(unoSolution)'
+      feedsToUse: config
+      nugetConfigPath: 'NuGet.Config'
+
+  - task: MSBuild@1
+    inputs:
+      solution: '$(droidProject)'
+      configuration: 'Release'
+      msbuildArguments: '/p:JavaSdkDirectory="%JAVA_HOME%"'