Merge branch 'main' into api-32-beta1

.github/dependabot.yml

@@ -2,6 +2,10 @@
 version: 2
 updates:
   - package-ecosystem: "gradle"
-    directory: "/"
+    directory: "/src/r8/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gradle"
+    directory: "/src/manifestmerger/"
     schedule:
       interval: "weekly"

Documentation/building/windows/instructions.md

@@ -32,7 +32,7 @@ MSBuild version 15 or later is required.
 
  7. In order to use the in-tree Xamarin.Android, build xabuild:
 
-         msbuild tools/xabuild/xabuild.csproj
+         msbuild tools/xabuild/xabuild.csproj /restore
 
  8. (For Microsoft team members only - Optional) In a [Developer Command
     Prompt][developer-prompt], build external proprietary git

Documentation/release-notes/manifest-merger-30.0.4.md

@@ -0,0 +1,6 @@
+### manifestmerger.jar version update to 30.0.4
+
+The version of the [manifest merger][0] included in Xamarin.Android
+has been updated from 27.1.1 to 30.0.4
+
+[0]: https://developer.android.com/studio/build/manifest-merge.html

src/Mono.Android/metadata

@@ -367,14 +367,14 @@
 	  ~~ remaining Color methods, manually enumified ~~
 	<attr path="/api/package[@name='android.content.res']/class[@name='ColorStateList']/method[@name='getColorForState']" name="return">Android.Graphics.Color</attr>
 	-->
-	<attr api-since="21" path="/api/package[@name='android.app']/class[@name='ActivityManager.TaskDescription']/constructor/parameter[@name='colorPrimary']" name="type">Android.Graphics.Color</attr>
+	<attr api-since="21" path="/api/package[@name='android.app']/class[@name='ActivityManager.TaskDescription']/constructor/parameter[@name='colorPrimary' and @type='int']" name="type">Android.Graphics.Color</attr>
 	<attr path="/api/package[@name='android.content.res']/class[@name='Resources']/method[@name='getColor']" name="return">Android.Graphics.Color</attr>
 	<attr path="/api/package[@name='android.content.res']/class[@name='TypedArray']/method[@name='getColor']" name="return">Android.Graphics.Color</attr>
 	<attr path="/api/package[@name='android.graphics']/class[@name='Paint']/method[@name='getColor']" name="return">Android.Graphics.Color</attr>
-	<attr path="/api/package[@name='android.graphics']/class[@name='Paint']/method[@name='setColor']/parameter[position()=1]" name="type">Android.Graphics.Color</attr>
+	<attr path="/api/package[@name='android.graphics']/class[@name='Paint']/method[@name='setColor' and parameter[1][@type='int']]/parameter[position()=1]" name="type">Android.Graphics.Color</attr>
 	<attr api-since="11" path="/api/package[@name='android.graphics.drawable']/class[@name='ColorDrawable']/method[@name='getColor']" name="return">Android.Graphics.Color</attr>
-	<attr api-since="11" path="/api/package[@name='android.graphics.drawable']/class[@name='ColorDrawable']/method[@name='setColor']/parameter[position()=1]" name="type">Android.Graphics.Color</attr>
-	<attr api-since="21" path="/api/package[@name='android.graphics']/class[@name='Paint']/method[@name='setShadowColor']/parameter[@name='shadowColor']" name="type">Android.Graphics.Color</attr>
+	<attr api-since="11" path="/api/package[@name='android.graphics.drawable']/class[@name='ColorDrawable']/method[@name='setColor']/parameter[position()=1 and @type='int']" name="type">Android.Graphics.Color</attr>
+	<attr api-since="21" path="/api/package[@name='android.graphics']/class[@name='Paint']/method[@name='setShadowColor']/parameter[@name='shadowColor' and @type='int']" name="type">Android.Graphics.Color</attr>
 	<attr api-since="21" path="/api/package[@name='android.graphics']/class[@name='RadialGradient']/constructor/parameter[@name='centerColor' and @type='int']" name="type">Android.Graphics.Color</attr>
 	<attr api-since="21" path="/api/package[@name='android.graphics']/class[@name='RadialGradient']/constructor/parameter[@name='edgeColor' and @type='int']" name="type">Android.Graphics.Color</attr>
 	<attr path="/api/package[@name='android.text.style']/class[@name='QuoteSpan']/method[@name='getColor']" name="return">Android.Graphics.Color</attr>
@@ -1656,6 +1656,9 @@
   <!-- C# won't let you access protected types in a sealed type, so make them public so they can be used by user code. -->
   <attr api-since="30" path="/api/package[@name='android.provider']/interface[contains(@name, 'Contract.') and contains(@name, 'Columns') and @visibility='protected']" name="visibility">public</attr>
 
+  <!-- The setter 'setColor (long)' can't be merged with the existing 'virtual long Color { get; }' because it's a breaking change -->
+  <attr api-since="29" path="/api/package[@name='android.graphics']/class[@name='Paint']/method[@name='setColor' and count(parameter)=1 and parameter[1][@type='long']]" name="propertyName"></attr>
+
   <!--
     ***********************************************************************
     THE FOLLOWING LINES MUST BE CREATED FOR ANY NEW PLATFORM THAT IS ADDED.

src/Xamarin.Android.Build.Tasks/MSBuild/Xamarin/Android/Xamarin.Android.Bindings.Documentation.targets

@@ -14,12 +14,12 @@ This file is only used by binding projects. .NET 5 can eventually use it, once `
   <UsingTask TaskName="Xamarin.Android.Tasks.ImportJavaDoc" AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
   <UsingTask TaskName="Xamarin.Android.Tasks.JavaDoc"       AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
   <UsingTask TaskName="Xamarin.Android.Tasks.MDoc"          AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
-  <UsingTask TaskName="Xamarin.Android.Tasks.Unzip"         AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
+  <UsingTask TaskName="Xamarin.Android.Tasks.UnzipToFolder" AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
 
   <Target Name="_ExtractJavaDocJars"
       Inputs="@(JavaDocJar)"
       Outputs="@(JavaDocJar->'$(IntermediateOutputPath)javadocs\%(FileName).stamp')">
-    <Unzip
+    <UnzipToFolder
         Sources="@(JavaDocJar)"
         DestinationDirectories="@(JavaDocJar->'$(IntermediateOutputPath)javadocs\%(FileName)')"
     />
@@ -33,7 +33,7 @@ This file is only used by binding projects. .NET 5 can eventually use it, once `
       Condition=" '$(_UseLegacyJavadocImport)' == 'True' "
       Inputs="@(JavaSourceJar)"
       Outputs="@(JavaSourceJar->'$(IntermediateOutputPath)javadocs\%(FileName).stamp')">
-    <Unzip
+    <UnzipToFolder
         Sources="@(JavaSourceJar)"
         DestinationDirectories="@(JavaSourceJar->'$(IntermediateOutputPath)javasources\%(FileName)')"
     />

src/Xamarin.Android.Build.Tasks/Microsoft.Android.Sdk/targets/Microsoft.Android.Sdk.After.targets

@@ -25,7 +25,6 @@ This file is imported *after* the Microsoft.NET.Sdk/Sdk.targets.
   <!-- Only import this in VS 2019 16.x -->
   <Import Project="Microsoft.Android.Sdk.NuGet.targets" Condition=" '$(MSBuildRuntimeType)' == 'Full' and '$(MSBuildVersion)' &lt; '17.0' " />
   <Import Project="Microsoft.Android.Sdk.ProjectCapabilities.targets" />
-  <Import Project="Microsoft.Android.Sdk.PropertyPages.targets" />
   <Import Project="Microsoft.Android.Sdk.Publish.targets" />
   <Import Project="Microsoft.Android.Sdk.RuntimeConfig.targets" />
   <Import Project="Microsoft.Android.Sdk.Tooling.targets" />

src/Xamarin.Android.Build.Tasks/Tasks/Unzip.cs → src/Xamarin.Android.Build.Tasks/Tasks/UnzipToFolder.cs

@@ -8,7 +8,7 @@
 
 namespace Xamarin.Android.Tasks
 {
-	public class Unzip : AndroidTask
+	public class UnzipToFolder : AndroidTask
 	{
 		public override string TaskPrefix => "UNZ";
 

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

@@ -438,7 +438,7 @@ public static void Foo () {
 
 		[Test]
 		[Category ("LLVM")]
-		public void NoSymbolsArgShouldReduceAppSize ([Values ("", "Hybrid")] string androidAotMode)
+		public void NoSymbolsArgShouldReduceAppSize ([Values ("", "Hybrid")] string androidAotMode, [Values (false, true)] bool skipDebugSymbols)
 		{
 			AssertAotModeSupported (androidAotMode);
 
@@ -463,7 +463,12 @@ public void NoSymbolsArgShouldReduceAppSize ([Values ("", "Hybrid")] string andr
 				using (var apk = ZipHelper.OpenZip (apkPath)) {
 					xaAssemblySize = ZipHelper.ReadFileFromZip (apk, $"lib/{supportedAbi}/libaot-Mono.Android.dll.so").Length;
 				}
-				proj.SetProperty ("AndroidAotAdditionalArguments", "no-write-symbols");
+
+				string additionalArgs = "no-write-symbols";
+				if (skipDebugSymbols) {
+					additionalArgs += ",nodebug";
+				}
+				proj.SetProperty ("AndroidAotAdditionalArguments", additionalArgs);
 				Assert.IsTrue (b.Build (proj), "Second build should have succeeded.");
 				FileAssert.Exists (apkPath);
 				using (var apk = ZipHelper.OpenZip (apkPath)) {

src/Xamarin.Android.Build.Tasks/Utilities/ELFHelper.cs

@@ -56,13 +56,42 @@ static bool IsEmptyAOTLibrary (TaskLoggingHelper log, string path, IELF elf)
 				return false;
 			}
 
+			bool isElf64 = elf.Class == Class.Bit64;
 			foreach (var entry in symtab.Entries) {
 				if (entry.Type == SymbolType.Function) {
 					return false;
 				}
-			}
 
+				if (!(isElf64 ? IsNonEmptyCodeSymbol (entry as SymbolEntry<ulong>) : IsNonEmptyCodeSymbol (entry as SymbolEntry<uint>))) {
+					continue;
+				}
+
+				// We have an entry that's in (some) executable section and has some code in it.
+				// Mono creates symbols which are essentially jump tables into executable code
+				// inside the DSO that is not accessible via any other symbol, merely a blob of
+				// executable code. The jump table symbols are named with the `_plt` prefix.
+				if (entry.Name.EndsWith ("_plt")) {
+					return false;
+				}
+			}
 			return true;
+
+			bool IsNonEmptyCodeSymbol<T> (SymbolEntry<T>? symbolEntry) where T : struct
+			{
+				if (symbolEntry == null) {
+					return true; // Err on the side of caution
+				}
+
+				Type t = typeof(T);
+				ulong size = 0;
+				if (t == typeof(System.UInt64)) {
+					size = (ulong)(object)symbolEntry.Size;
+				} else if (t == typeof(System.UInt32)) {
+					size = (uint)(object)symbolEntry.Size;
+				}
+
+				return size != 0 && symbolEntry.PointedSection.Type == SectionType.ProgBits;
+			}
 		}
 
 		static ISymbolTable? GetSymbolTable (IELF elf, string sectionName)

src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets

@@ -91,7 +91,7 @@ Copyright (C) 2011-2012 Xamarin. All rights reserved.
 <UsingTask TaskName="Xamarin.Android.Tasks.PrepareAbiItems" AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
 <UsingTask TaskName="Xamarin.Android.Tasks.WriteLockFile" AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
 <UsingTask TaskName="GenerateCompressedAssembliesNativeSourceFiles" AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
-<UsingTask TaskName="Xamarin.Android.Tasks.Unzip" AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
+<UsingTask TaskName="Xamarin.Android.Tasks.UnzipToFolder" AssemblyFile="Xamarin.Android.Build.Tasks.dll" />
 
 <!--
 *******************************************
@@ -2346,7 +2346,7 @@ because xbuild doesn't support framework reference assemblies.
     <FileWrites Include="$(_UniversalApkSetIntermediate)" />
     <FileWrites Include="$(OutDir)$(_AndroidPackage)-Signed.apk" />
   </ItemGroup>
-  <Unzip Sources="$(_UniversalApkSetIntermediate)" DestinationDirectories="$(OutDir)" Files="@(_FilestoExtract)" />
+  <UnzipToFolder Sources="$(_UniversalApkSetIntermediate)" DestinationDirectories="$(OutDir)" Files="@(_FilestoExtract)" />
 </Target>
 
 <PropertyGroup>

src/manifestmerger/build.gradle

@@ -19,7 +19,7 @@ repositories {
 
 dependencies {
     // https://mvnrepository.com/artifact/com.android.tools.build/manifest-merger
-    compile group: 'com.android.tools.build', name: 'manifest-merger', version: '27.1.1'
+    compile group: 'com.android.tools.build', name: 'manifest-merger', version: '30.0.4'
 }
 
 sourceSets {

tests/api-compatibility/acceptable-breakages-v10.0.txt

@@ -42,7 +42,6 @@ CannotRemoveBaseTypeOrInterface : Type 'Java.Util.Concurrent.Atomic.DoubleAccumu
 CannotRemoveBaseTypeOrInterface : Type 'Java.Util.Concurrent.Atomic.DoubleAdder' does not inherit from base type 'Java.Util.Concurrent.Atomic.Striped64' in the implementation but it does in the contract.
 CannotRemoveBaseTypeOrInterface : Type 'Java.Util.Concurrent.Atomic.LongAccumulator' does not inherit from base type 'Java.Util.Concurrent.Atomic.Striped64' in the implementation but it does in the contract.
 CannotRemoveBaseTypeOrInterface : Type 'Java.Util.Concurrent.Atomic.LongAdder' does not inherit from base type 'Java.Util.Concurrent.Atomic.Striped64' in the implementation but it does in the contract.
-CannotChangeAttribute : Attribute 'Android.Runtime.RegisterAttribute' on 'Android.Graphics.Paint.Color.set(Android.Graphics.Color)' changed from '[RegisterAttribute("setColor", "(I)V", "GetSetColor_IHandler")]' in the contract to '[RegisterAttribute("setColor", "(I)V", "GetSetColor_IHandler", ApiSince=29)]' in the implementation.
 CannotRemoveAttribute : Attribute 'Android.Runtime.RequiresPermissionAttribute' exists on 'Android.Content.ContentResolver.AddPeriodicSync(Android.Accounts.Account, System.String, Android.OS.Bundle, System.Int64)' in the contract but not the implementation.
 CannotRemoveAttribute : Attribute 'Android.Runtime.RequiresPermissionAttribute' exists on 'Android.Content.ContentResolver.CancelSync(Android.Content.SyncRequest)' in the contract but not the implementation.
 CannotRemoveAttribute : Attribute 'Android.Runtime.RequiresPermissionAttribute' exists on 'Android.Content.ContentResolver.CurrentSync.get()' in the contract but not the implementation.

tests/api-compatibility/acceptable-breakages-vReference-net6.0.txt

@@ -1,3 +1,4 @@
 Compat issues with assembly Mono.Android:
 CannotSealType : Type 'Java.Interop.JavaTypeParametersAttribute' is actually (has the sealed modifier) sealed in the implementation but not sealed in the contract.
 MembersMustExist : Member 'public void Java.Interop.JavaTypeParametersAttribute.TypeParameters.set(System.String[])' does not exist in the implementation but it does exist in the contract.
+CannotChangeAttribute : Attribute 'Android.Runtime.RegisterAttribute' on 'Android.Graphics.Paint.Color.set(Android.Graphics.Color)' changed from '[RegisterAttribute("setColor", "(I)V", "GetSetColor_IHandler", ApiSince=29)]' in the contract to '[RegisterAttribute("setColor", "(I)V", "GetSetColor_IHandler")]' in the implementation.

tests/api-compatibility/acceptable-breakages-vReference.txt

@@ -1 +1,2 @@
 Compat issues with assembly Mono.Android:
+CannotChangeAttribute : Attribute 'Android.Runtime.RegisterAttribute' on 'Android.Graphics.Paint.Color.set(Android.Graphics.Color)' changed from '[RegisterAttribute("setColor", "(I)V", "GetSetColor_IHandler", ApiSince=29)]' in the contract to '[RegisterAttribute("setColor", "(I)V", "GetSetColor_IHandler")]' in the implementation.