reCaptcha on iPhone App using SDK
问题 Has anyone used reCaptcha on their iPhone application? I am trying to figure out how to embed it in my App... 回答1: The only way to use reCaptcha in an iPhone app is by rendering a WebView within the app. There is a nice alternative to reCaptcha called kaptcha that actually has a usable api. http://code.google.com/p/kaptcha/ 回答2: use this http://iphonesdksnippets.com/post/2009/05/05/Add-text-to-image-%28UIImage%29.aspx find a nice background image for you app, and just randomly generate some