add subview in another subview

Question

i use this code but nothing shows up!!!!? help

CGRect frame = CGRectMake(0.0,0.0,480,320);
secondview=[[UIView alloc] initWithFrame:frame];

[self.view addSubview:secondview];  
[self.view bringSubviewToFront:secondview];

Answer 1

Right now your view doesn't have any content. Try adding this:

[secondView setBackgroundColor:[UIColor redColor]];