uiview setframe: CGRect rect drawn wrong size

This uiview is loaded from the nib.

Figure

 
- (Id) initWithCoder: (NSCoder *) coder 
{
self = [super initWithCoder: coder]; 
if (self) 
{
[Self setBackgroundColor: [UIColor blackColor]]; 
[Self setFrame: CGRectMake (0, 100, 319, 45)] ;/ / Why just draw a black line ah? ? ? ? ? ? 

} 
return self; 
} 

Reply:

Reply:
Not learned this, bound
Reply:
You load playView to frame set on when another view is also CGRectMake (0, 100, 319, 45), led to the emergence of a black line, will try to above 100 into 0
Reply:
A long time ago the problem was solved myself. . I misplaced, rectangles have not come out, I went to the operation of the