iphone - UIPageControl using Interface builder -

i succeeded in implementing horizontal scroll using uipagecontrol + uiscrollview using code. views in pages more involved , need fine grain control. trying design views using interface builder.

all examples uipagecontrol & uiscrollview seem use code generate views.

1) can point me example uses ib design views , manage scrolling in code? need support ios4 - no storyboards.

2) if advise against approach due memory concerns, can please suggest alternative approach maintains similar effect?

i use navigation based project.