public CompilerViewModel()
{
GetUidCommand = new Command(async(args) => {
await CompilerService.DoGetUIDRequest();
});
PostCodeCommand = new Command(async(args) => {
var html = await CompilerService.DoPostCodeRequest(args as string) as string;
Result = html;
MessagingCenter.Send <CompilerViewModel>(this, "CompileActivityEnded");
});
}