rework to handle libs with IsApplication=true

Author: dellis1972

src/Xamarin.Android.Build.Tasks/Linker/MonoDroid.Tuner/RemoveResourceDesignerStep.cs

@@ -14,6 +14,7 @@ public class RemoveResourceDesignerStep : BaseStep
 	{
 		TypeDefinition mainDesigner = null;
 		AssemblyDefinition mainAssembly = null;
+		CustomAttribute mainDesignerAttribute;
 		Dictionary<string, int> designerConstants;
 		Regex opCodeRegex = new Regex (@"([\w]+): ([\w]+) ([\w.]+) ([\w:./]+)");
 
@@ -24,40 +25,47 @@ protected override void Process ()
 			if (config == null)
 				return;
 			foreach(var asm in config.Assemblies) {
-				if (FindResourceDesigner (asm, isApplication: true, designer: out mainDesigner)) {
+				if (FindResourceDesigner (asm, isApplication: true, designer: out mainDesigner, designerAttribute: out mainDesignerAttribute)) {
 					mainAssembly = asm;
 				 	break;
 				}
 			}
 			if (mainDesigner == null) {
-				Context.LogMessage ($"    Main Designer not found.");
+				Context.LogMessage ($"  Main Designer not found.");
 				return;
 			}
-			Context.LogMessage ($"    Main Designer found {mainDesigner.FullName}.");
+			Context.LogMessage ($"  Main Designer found {mainDesigner.FullName}.");
 			designerConstants = BuildResourceDesignerFieldLookup (mainDesigner);
 		}
 
 		protected override void EndProcess ()
 		{
+			Context.LogMessage ($"  End Process Called.");
 			if (mainDesigner != null) {
+				Context.LogMessage ($"  Removing Main Designer {mainDesigner.FullName}");
 				RemoveDesigner (mainDesigner);
+				Context.LogMessage ($"  Removing Designer Custom Attribute {mainDesignerAttribute.AttributeType.FullName}");
+				mainAssembly.CustomAttributes.Remove (mainDesignerAttribute);
+				Context.LogMessage ($"  Setting Action on {mainAssembly.Name} to Save.");
 				Annotations.SetAction (mainAssembly, AssemblyAction.Save);
 			}
 		}
 
-		bool FindResourceDesigner (AssemblyDefinition assembly, bool isApplication, out TypeDefinition designer)
+		bool FindResourceDesigner (AssemblyDefinition assembly, bool isApplication, out TypeDefinition designer, out CustomAttribute designerAttribute)
 		{
 			string designerFullName = null;
 			designer = null;
+			designerAttribute = null;
 			foreach (CustomAttribute attribute in assembly.CustomAttributes)
 			{
 				if (attribute.AttributeType.FullName == "Android.Runtime.ResourceDesignerAttribute")
 				{
+					designerAttribute = attribute;
 					if (attribute.HasProperties)
 					{
 						foreach (var p in attribute.Properties)
 						{
-							if (p.Name == "IsApplication" && (bool)p.Argument.Value == isApplication)
+							if (p.Name == "IsApplication" && (bool)p.Argument.Value == (isApplication ? isApplication : (bool)p.Argument.Value))
 							{
 								designerFullName = attribute.ConstructorArguments[0].Value.ToString();
 								break;
@@ -172,10 +180,19 @@ protected override void ProcessAssembly (AssemblyDefinition assembly)
 			if (MonoAndroidHelper.IsFrameworkAssembly (fileName))
 				return;
 
-			Context.LogMessage ($"    Fixing up {assembly.Name.Name}");
-			if (!FindResourceDesigner (assembly, false, out TypeDefinition localDesigner)) {
-				Context.LogMessage ($"   {assembly.Name.Name} does not have a designer file.");
-				return;
+			Context.LogMessage ($"  Fixing up {assembly.Name.Name}");
+			TypeDefinition localDesigner = null;
+			CustomAttribute designerAttribute;
+			if (assembly != mainAssembly) {
+				Context.LogMessage ($"   {assembly.Name.Name} is not the main assembly. ");
+				if (!FindResourceDesigner (assembly, isApplication: false, designer: out localDesigner, designerAttribute: out designerAttribute)) {
+					Context.LogMessage ($"   {assembly.Name.Name} does not have a designer file.");
+					return;
+				}
+			} else {
+				Context.LogMessage ($"   {assembly.Name.Name} is the main assembly. ");
+				localDesigner = mainDesigner;
+				designerAttribute = mainDesignerAttribute;
 			}
 
 			Context.LogMessage ($"   {assembly.Name.Name} has designer {localDesigner.FullName}.");
@@ -187,8 +204,12 @@ protected override void ProcessAssembly (AssemblyDefinition assembly)
 					ProcessTypeR (type, localDesigner);
 				}
 			}
-
-			RemoveDesigner (localDesigner);
+			if (assembly != mainAssembly) {
+				RemoveDesigner (localDesigner);
+				if (designerAttribute != null) {
+					assembly.CustomAttributes.Remove (designerAttribute);
+				}
+			}
 		}
 	}
 }