string GetResourceDesignerClass(MetadataReader reader)
{
// Looking for:
// [assembly: Android.Runtime.ResourceDesignerAttribute("MyApp.Resource", IsApplication=true)]
var assembly = reader.GetAssemblyDefinition();
foreach (var handle in assembly.GetCustomAttributes())
{
var attribute = reader.GetCustomAttribute(handle);
var fullName = reader.GetCustomAttributeFullName(attribute);
if (fullName == "Android.Runtime.ResourceDesignerAttribute")
{
var values = attribute.GetCustomAttributeArguments();
foreach (var arg in values.NamedArguments)
{
// application resource IDs are constants, cannot merge.
if (arg.Name == "IsApplication" && arg.Value is bool isApplication && isApplication)
{
return(null);
}
}
return((string)values.FixedArguments.First().Value);
}
}
return(null);
}
/// <summary>
/// Returns the TargetFrameworkIdentifier of an assembly, or null if not found
/// </summary>
public static string GetTargetFrameworkIdentifier(this AssemblyDefinition assembly, MetadataReader reader)
{
foreach (var handle in assembly.GetCustomAttributes())
{
var attribute = reader.GetCustomAttribute(handle);
var name = reader.GetCustomAttributeFullName(attribute);
if (name == "System.Runtime.Versioning.TargetFrameworkAttribute")
{
var arguments = attribute.GetCustomAttributeArguments();
foreach (var p in arguments.FixedArguments)
{
// Of the form "MonoAndroid,Version=v8.1"
var value = p.Value?.ToString();
if (!string.IsNullOrEmpty(value))
{
int commaIndex = value.IndexOf(",", StringComparison.Ordinal);
if (commaIndex != -1)
{
return(value.Substring(0, commaIndex));
}
}
}
return(null);
}
}
return(null);
}
bool IsAndroidAssembly(AssemblyDefinition assembly, MetadataReader reader)
{
foreach (var handle in assembly.GetCustomAttributes())
{
var attribute = reader.GetCustomAttribute(handle);
var name = reader.GetCustomAttributeFullName(attribute);
switch (name)
{
case "System.Runtime.Versioning.TargetFrameworkAttribute":
string targetFrameworkIdentifier = null;
foreach (var p in attribute.GetCustomAttributeArguments().FixedArguments)
{
// Of the form "MonoAndroid,Version=v8.1"
var value = p.Value?.ToString();
if (!string.IsNullOrEmpty(value))
{
int commaIndex = value.IndexOf(",", StringComparison.Ordinal);
if (commaIndex != -1)
{
targetFrameworkIdentifier = value.Substring(0, commaIndex);
break;
}
}
}
if (string.Equals(targetFrameworkIdentifier, "MonoAndroid", StringComparison.OrdinalIgnoreCase))
{
return(true);
}
break;
case "System.Runtime.Versioning.TargetPlatformAttribute":
foreach (var p in attribute.GetCustomAttributeArguments().FixedArguments)
{
// Of the form "android30"
var value = p.Value?.ToString();
if (value != null && value.StartsWith("android", StringComparison.OrdinalIgnoreCase))
{
return(true);
}
}
break;
case "Android.IncludeAndroidResourcesFromAttribute":
case "Android.NativeLibraryReferenceAttribute":
case "Java.Interop.JavaLibraryReferenceAttribute":
Log.LogCodedError("XA0121", Properties.Resources.XA0121, reader.GetString(assembly.Name), name);
break;
default:
break;
}
}
return(false);
}
string GetTargetFrameworkIdentifier(AssemblyDefinition assembly, MetadataReader reader)
{
string targetFrameworkIdentifier = null;
foreach (var handle in assembly.GetCustomAttributes())
{
var attribute = reader.GetCustomAttribute(handle);
var name = reader.GetCustomAttributeFullName(attribute);
switch (name)
{
case "System.Runtime.Versioning.TargetFrameworkAttribute":
var arguments = attribute.GetCustomAttributeArguments();
foreach (var p in arguments.FixedArguments)
{
// Of the form "MonoAndroid,Version=v8.1"
var value = p.Value?.ToString();
if (!string.IsNullOrEmpty(value))
{
int commaIndex = value.IndexOf(",", StringComparison.Ordinal);
if (commaIndex != -1)
{
targetFrameworkIdentifier = value.Substring(0, commaIndex);
break;
}
}
}
break;
case "Android.IncludeAndroidResourcesFromAttribute":
case "Android.NativeLibraryReferenceAttribute":
case "Java.Interop.JavaLibraryReferenceAttribute":
Log.LogCodedError("XA0121",
$"Assembly '{reader.GetString (assembly.Name)}' is using '[assembly: {name}]', which is no longer supported. Use a newer version of this NuGet package or notify the library author.");
break;
default:
break;
}
}
return(targetFrameworkIdentifier);
}
void CheckAssemblyAttributes(AssemblyDefinition assembly, string assemblyName, MetadataReader reader, out string targetFrameworkIdentifier)
{
targetFrameworkIdentifier = null;
foreach (var handle in assembly.GetCustomAttributes())
{
var attribute = reader.GetCustomAttribute(handle);
var attributeFullName = reader.GetCustomAttributeFullName(attribute);
switch (attributeFullName)
{
case "Java.Interop.DoNotPackageAttribute": {
LogCodedWarning("XA0122", Properties.Resources.XA0122, assemblyName, attributeFullName);
var arguments = attribute.GetCustomAttributeArguments();
if (arguments.FixedArguments.Length > 0)
{
string file = arguments.FixedArguments [0].Value?.ToString();
if (string.IsNullOrWhiteSpace(file))
{
LogCodedError("XA2008", Properties.Resources.XA2008, assembly.GetAssemblyName().FullName);
}
do_not_package_atts.Add(Path.GetFileName(file));
}
}
break;
case "System.Runtime.Versioning.TargetFrameworkAttribute": {
var arguments = attribute.GetCustomAttributeArguments();
foreach (var p in arguments.FixedArguments)
{
// Of the form "MonoAndroid,Version=v8.1"
var value = p.Value?.ToString();
if (!string.IsNullOrEmpty(value))
{
int commaIndex = value.IndexOf(",", StringComparison.Ordinal);
if (commaIndex != -1)
{
targetFrameworkIdentifier = value.Substring(0, commaIndex);
if (targetFrameworkIdentifier == "MonoAndroid")
{
const string match = "Version=";
var versionIndex = value.IndexOf(match, commaIndex, StringComparison.Ordinal);
if (versionIndex != -1)
{
versionIndex += match.Length;
string version = value.Substring(versionIndex, value.Length - versionIndex);
var apiLevel = MonoAndroidHelper.SupportedVersions.GetApiLevelFromFrameworkVersion(version);
if (apiLevel != null)
{
api_levels [assemblyName] = apiLevel.Value;
}
}
}
}
}
}
}
break;
default:
break;
}
}
}