[Mono.Android] Bind API-Sv2 Developer Preview 1 (dotnet#6452)

Context: https://developer.android.com/about/versions/12/12L
Context: https://android-developers.googleblog.com/2021/10/12L-preview-large-screens.html

Android 12L [Developer Preview 1 has been released][0].

  * [API diff vs. API-31][1]

The Android 12L Developer Preview Program Overview
[Timeline, milestones, and updates][2] section suggests the
following timeline:

  * October: Developer Preview 1
  * December: Beta 1
  * January: Beta 2 (Final APIs)
  * February: Beta 3
  * Q1 2022: Final Release

[0]: https://android-developers.googleblog.com/2021/10/12L-preview-large-screens.html
[1]: https://developer.android.com/sdk/api_diff/sv2-dp1/changes
[2]: https://web.archive.org/web/20211101144209/https://developer.android.com/about/versions/12/12L/overview

build-tools/Xamarin.Android.Tools.BootstrapTasks/Xamarin.Android.Tools.BootstrapTasks/CheckApiCompatibility.cs

@@ -29,6 +29,7 @@ public sealed class CheckApiCompatibility : Task
 			{ "v10.0", "v9.0" },
 			{ "v11.0", "v10.0" },
 			{ "v12.0", "v11.0" },
+			{ "v12.0.99", "v12.0" },
 		};
 
 		static readonly string assemblyToValidate = "Mono.Android.dll";

build-tools/api-merge/merge-configuration.xml

@@ -20,6 +20,7 @@
     <File Path="api-29.xml.in" Level="29" />
     <File Path="api-30.xml.in" Level="30" />
     <File Path="api-31.xml.in" Level="31" />
+    <File Path="api-Sv2.xml.in" Level="Sv2" />
   </Inputs>
   <Outputs>
     <File Path="android-19\mcw\api.xml" LastLevel="19" />
@@ -35,5 +36,6 @@
     <File Path="android-29\mcw\api.xml" LastLevel="29" />
     <File Path="android-30\mcw\api.xml" LastLevel="30" />
     <File Path="android-31\mcw\api.xml" LastLevel="31" />
+    <File Path="android-Sv2\mcw\api.xml" LastLevel="Sv2" />
   </Outputs>
 </Configuration>

build-tools/api-xml-adjuster/Makefile

@@ -17,7 +17,7 @@ API_XML_TOOL = $(BUILDBIN)/api-xml-adjuster.exe
 RUNTIME = mono --debug
 RUN_CLASS_PARSE = $(RUNTIME) $(CLASS_PARSE)
 RUN_API_XML_TOOL = $(RUNTIME) $(API_XML_TOOL)
-API_LEVELS = 10 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
+API_LEVELS = 10 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Sv2
 
 XML_OUTPUT_DIR = .
 

build-tools/xaprepare/xaprepare/ConfigAndData/BuildAndroidPlatforms.cs

@@ -40,6 +40,7 @@ class BuildAndroidPlatforms
 			new AndroidPlatform (apiName: "Q",                      apiLevel: 29, platformID: "29",  include: "v10.0",   framework: "v10.0"),
 			new AndroidPlatform (apiName: "R",                      apiLevel: 30, platformID: "30",  include: "v11.0",   framework: "v11.0"),
 			new AndroidPlatform (apiName: "S",                      apiLevel: 31, platformID: "31",  include: "v12.0",   framework: "v12.0"),
+			new AndroidPlatform (apiName: "Sv2",                    apiLevel: 32, platformID: "Sv2", include: "v12.0.99",framework: "v12.0.99", stable: false),
 		};
 
 		// These are here until we can drop "legacy" targets and use only .NET6+

build-tools/xaprepare/xaprepare/ConfigAndData/Dependencies/AndroidToolchain.cs

@@ -62,7 +62,8 @@ public AndroidToolchain ()
 				new AndroidPlatformComponent ("platform-28_r04",   apiLevel: "28", pkgRevision: "4"),
 				new AndroidPlatformComponent ("platform-29_r01",   apiLevel: "29", pkgRevision: "1"),
 				new AndroidPlatformComponent ("platform-30_r01",   apiLevel: "30", pkgRevision: "1"),
-				new AndroidPlatformComponent ("platform-31_r01",   apiLevel: "31",  pkgRevision: "1"),
+				new AndroidPlatformComponent ("platform-31_r01",   apiLevel: "31", pkgRevision: "1"),
+				new AndroidPlatformComponent ("platform-Sv2_r01",  apiLevel: "Sv2", pkgRevision: "1"),
 
 				new AndroidToolchainComponent ("sources-31_r01",   destDir: Path.Combine ("platforms", $"android-31", "src"), pkgRevision: "1", dependencyType: AndroidToolchainComponentType.BuildDependency),
 

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/BuildTest.cs

@@ -2343,13 +2343,6 @@ public class MainActivity : Activity
 				int maxApiLevel = AndroidSdkResolver.GetMaxInstalledPlatform ();
 				string apiLevel;
 				proj.TargetFrameworkVersion = b.LatestTargetFrameworkVersion (out apiLevel);
-
-				// TODO: We aren't sure how to support preview bindings in .NET6 yet.
-				if (Builder.UseDotNet && apiLevel == "31") {
-					apiLevel = "30";
-					proj.TargetFrameworkVersion = "v11.0";
-				}
-
 				if (int.TryParse (apiLevel, out int a) && a < maxApiLevel)
 					disabledIssues += ",OldTargetApi";
 				proj.SetProperty ("AndroidLintDisabledIssues", disabledIssues);

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Common/Builder.cs

@@ -172,6 +172,11 @@ public string LatestTargetFrameworkVersion () {
 
 		public string LatestTargetFrameworkVersion (out string apiLevel) {
 			GetTargetFrameworkVersionRange (out string _, out string _, out apiLevel, out string lastFrameworkVersion, out string [] _);
+			// TODO: We aren't sure how to support preview bindings in .NET6 yet.
+			if (UseDotNet && apiLevel == "32") {
+				apiLevel = "31";
+				return "v12.0";
+			}
 			return lastFrameworkVersion;
 		}
 

tests/MSBuildDeviceIntegration/Tests/DeploymentTest.cs

@@ -52,12 +52,6 @@ public void BeforeDeploymentTests ()
 			string apiLevel;
 			proj.TargetFrameworkVersion = builder.LatestTargetFrameworkVersion (out apiLevel);
 
-			// TODO: We aren't sure how to support preview bindings in .NET6 yet.
-			if (Builder.UseDotNet && apiLevel == "31") {
-				apiLevel = "30";
-				proj.TargetFrameworkVersion = "v11.0";
-			}
-
 			proj.PackageName = "Xamarin.TimeZoneTest";
 			proj.AndroidManifest = $@"<?xml version=""1.0"" encoding=""utf-8""?>
 <manifest xmlns:android=""http://schemas.android.com/apk/res/android"" android:versionCode=""1"" android:versionName=""1.0"" package=""Xamarin.TimeZoneTest"">
@@ -125,12 +119,6 @@ public void CheckResouceIsOverridden ([Values (true, false)] bool useAapt2)
 				string apiLevel;
 				app.TargetFrameworkVersion = b.LatestTargetFrameworkVersion (out apiLevel);
 
-				// TODO: We aren't sure how to support preview bindings in .NET6 yet.
-				if (Builder.UseDotNet && apiLevel == "31") {
-					apiLevel = "30";
-					app.TargetFrameworkVersion = "v11.0";
-				}
-
 				app.AndroidManifest = $@"<?xml version=""1.0"" encoding=""utf-8""?>
 <manifest xmlns:android=""http://schemas.android.com/apk/res/android"" android:versionCode=""1"" android:versionName=""1.0"" package=""{app.PackageName}"">
 	<uses-sdk android:minSdkVersion=""24"" android:targetSdkVersion=""{apiLevel}"" />
@@ -166,12 +154,6 @@ public void CheckResouceIsOverridden ([Values (true, false)] bool useAapt2)
 				app.LayoutMain = app.LayoutMain.Replace ("@string/hello", "@string/hello_me");
 				app.TargetFrameworkVersion = b.LatestTargetFrameworkVersion (out apiLevel);
 
-				// TODO: We aren't sure how to support preview bindings in .NET6 yet.
-				if (Builder.UseDotNet && apiLevel == "31") {
-					apiLevel = "30";
-					app.TargetFrameworkVersion = "v11.0";
-				}
-
 				app.AndroidManifest = $@"<?xml version=""1.0"" encoding=""utf-8""?>
 <manifest xmlns:android=""http://schemas.android.com/apk/res/android"" android:versionCode=""1"" android:versionName=""1.0"" package=""{app.PackageName}"">
 	<uses-sdk android:minSdkVersion=""24"" android:targetSdkVersion=""{apiLevel}"" />

tests/api-compatibility/acceptable-breakages-v12.0.99.txt

@@ -0,0 +1,16 @@
+Compat issues with assembly Mono.Android:
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'Android.OS.Environment.ExternalStorageDirectory' in the contract but not the implementation.
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'Android.OS.Environment.GetExternalStoragePublicDirectory(System.String)' in the contract but not the implementation.
+CannotChangeAttribute : Attribute 'System.ObsoleteAttribute' on 'System.String Android.Provider.MediaStore.Audio.AudioColumns.Data' changed from '[ObsoleteAttribute("deprecated")]' in the contract to '[ObsoleteAttribute("Use 'Android.Provider.MediaStore.IMediaColumns.Data'. This class will be removed in a future release.")]' in the implementation.
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'System.String Android.Provider.MediaStore.Audio.Genres.Members.InterfaceConsts.Data' in the contract but not the implementation.
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'System.String Android.Provider.MediaStore.Audio.Media.InterfaceConsts.Data' in the contract but not the implementation.
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'System.String Android.Provider.MediaStore.Audio.Playlists.Members.InterfaceConsts.Data' in the contract but not the implementation.
+CannotChangeAttribute : Attribute 'System.ObsoleteAttribute' on 'System.String Android.Provider.MediaStore.DownloadColumns.Data' changed from '[ObsoleteAttribute("deprecated")]' in the contract to '[ObsoleteAttribute("Use 'Android.Provider.MediaStore.IMediaColumns.Data'. This class will be removed in a future release.")]' in the implementation.
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'System.String Android.Provider.MediaStore.Downloads.InterfaceConsts.Data' in the contract but not the implementation.
+CannotChangeAttribute : Attribute 'System.ObsoleteAttribute' on 'System.String Android.Provider.MediaStore.Files.FileColumns.Data' changed from '[ObsoleteAttribute("deprecated")]' in the contract to '[ObsoleteAttribute("Use 'Android.Provider.MediaStore.IMediaColumns.Data'. This class will be removed in a future release.")]' in the implementation.
+CannotChangeAttribute : Attribute 'System.ObsoleteAttribute' on 'System.String Android.Provider.MediaStore.Images.ImageColumns.Data' changed from '[ObsoleteAttribute("deprecated")]' in the contract to '[ObsoleteAttribute("Use 'Android.Provider.MediaStore.IMediaColumns.Data'. This class will be removed in a future release.")]' in the implementation.
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'System.String Android.Provider.MediaStore.Images.Media.InterfaceConsts.Data' in the contract but not the implementation.
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'System.String Android.Provider.MediaStore.IMediaColumns.Data' in the contract but not the implementation.
+CannotChangeAttribute : Attribute 'System.ObsoleteAttribute' on 'System.String Android.Provider.MediaStore.MediaColumns.Data' changed from '[ObsoleteAttribute("deprecated")]' in the contract to '[ObsoleteAttribute("Use 'Android.Provider.MediaStore.IMediaColumns.Data'. This class will be removed in a future release.")]' in the implementation.
+CannotRemoveAttribute : Attribute 'System.ObsoleteAttribute' exists on 'System.String Android.Provider.MediaStore.Video.Media.InterfaceConsts.Data' in the contract but not the implementation.
+CannotChangeAttribute : Attribute 'System.ObsoleteAttribute' on 'System.String Android.Provider.MediaStore.Video.VideoColumns.Data' changed from '[ObsoleteAttribute("deprecated")]' in the contract to '[ObsoleteAttribute("Use 'Android.Provider.MediaStore.IMediaColumns.Data'. This class will be removed in a future release.")]' in the implementation.