How to make a Navigation bar transparent and fade out like in the photo app in the iPhone

Question

i am new to iPhone Programming ...can anybody help me out please..

i want to develop an app like photo app in iPhone..

How to make the naveigation bar and toolba

Answer 1

To make the bar transparent, using setBarStyle: using the UIBarStyleBlackTranslucent.

To hide the bar with fade animation, use the code snippet Macatomy posted.