Touch pad writer in iPhone

Question

Hi,

I need to develop Touch pad writer in iPhone (user will move his finger to write a letter). I know this is possible, but dont know from where to start. Do I need to use any specific framework or can be done using controls available in Interface Builder.

Please suggest, what will be best approach to achieve this.

Thanks SD

Answer 1

Look at this sample from apple https://developer.apple.com/iphone/library/samplecode/GLPaint/