iphone app GUI programming

can you use an image (previously created with Photoshop) to design your app ? I mean connecting开发者_如何学Python the psd objects to functions in app etc.

Kind of - you can create UIButtons, and set images as background. Then you can wire actions in your code to the button presses.

With the Briefs framework you can take a series of images and make a functional iPhone application from them by setting what happens when you tap on particular areas of the screen. While primarily intended for wireframes of applications, you could create a simple flashcard-style application from this.