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

Since I'm a block-using kinda guy, I use this little snippet.

[UIView animateWithDuration:0.5 animations:^{
    [navigationBar setAlpha:0.0];
}];

Feels nicer to me, but you should probably only do this if you're used to blocks and you're rockin' iOS 4.0 or later.