Contents of today's studying is 

- Installed a iPhoneOS3.0.

- Developed a "YubiFude"

 I installed the iPhone OS very easily. I mistook I choose the iPhoneOS3.0 install file at yesterday.

The iPodtouch rented by my collage is no problem at now.

I developed the "YubiFude" at today. I finished make the UIViewController class's sub class (RootViewController, StatusViewController, ColorViewController, FillColorViewController, and PaintingViewController) and UIView class's subclass(PaintingView). PaintingView have the feature of the drawing.

*Screen shot "YubiFude" in my device. 



I'll complete the "YubiFude" until May 22.