public override bool Execute()
{
Log.LogDebugMessage("CheckTargetFrameworks Task");
Log.LogDebugMessage(" TargetFrameworkVersion: {0}", TargetFrameworkVersion);
Log.LogDebugMessage(" ProjectFile: {0}", ProjectFile);
Log.LogDebugTaskItems(" ResolvedUserAssemblies: {0}", ResolvedAssemblies);
res = new DirectoryAssemblyResolver(Log.LogWarning, loadDebugSymbols: false);
foreach (var assembly in ResolvedAssemblies)
{
res.Load(Path.GetFullPath(assembly.ItemSpec));
var apiLevel = ExtractApiLevel(assembly);
if (apiLevel > 0)
{
Log.LogDebugMessage("{0}={1}", Path.GetFileNameWithoutExtension(assembly.ItemSpec), apiLevel);
apiLevels.Add(assembly, apiLevel);
}
}
var mainapiLevel = AndroidVersion.TryOSVersionToApiLevel(TargetFrameworkVersion);
foreach (var item in apiLevels.Where(x => mainapiLevel < x.Value))
{
var itemOSVersion = AndroidVersion.TryApiLevelToOSVersion(item.Value);
Log.LogWarning(null, "XA0105", null, ProjectFile, 0, 0, 0, 0,
"The $(TargetFrameworkVersion) for {0} (v{1}) is greater than the $(TargetFrameworkVersion) for your project ({2}). " +
"You need to increase the $(TargetFrameworkVersion) for your project.", Path.GetFileName(item.Key.ItemSpec), itemOSVersion, TargetFrameworkVersion);
}
return(!Log.HasLoggedErrors);
}
Version GetJavaVersionForFramework(string targetFrameworkVersion)
{
var apiLevel = AndroidVersion.TryOSVersionToApiLevel(targetFrameworkVersion);
if (apiLevel >= 24)
{
return(new Version(1, 8));
}
else if (apiLevel == 23)
{
return(new Version(1, 7));
}
else
{
return(new Version(1, 6));
}
}
int ExtractApiLevel(ITaskItem ass)
{
Log.LogDebugMessage(ass.ItemSpec);
foreach (var ca in res.GetAssembly(ass.ItemSpec).CustomAttributes)
{
switch (ca.AttributeType.FullName)
{
case "System.Runtime.Versioning.TargetFrameworkAttribute":
foreach (var p in ca.ConstructorArguments)
{
var value = p.Value.ToString();
if (value.StartsWith("MonoAndroid"))
{
var values = value.Split('=');
return(AndroidVersion.TryOSVersionToApiLevel(values[1]));
}
}
break;
}
}
return(0);
}
