I'm able to change the backgroung image of UINavigationController
by overriding drawRect: method:
@implementation UINavigationBar (UINavigationBarCategory)
- (void)drawRect:(CGRect)rect {
UIImage *img = [UIImage imageNamed: @"navController.png"];
[img drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
self.tintColor = [UIColor blueColor];
}
@end
the background is what I intended to be and the tintColor
as well, but when trying to set a color that isn't existing in UIColor
class it fails and shows strange color:
@implementation UINavigationBar (UINavigationBarCategory)
- (void)drawRect:(CGRect)rect {
UIImage *img = [UIImage imageNamed: @"navController.png"];
[img drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
self.tintColor = [UIColor colorWithRed:(26/255) green:(103/255) blue:(159/255) alpha:1];
}
@end
How can I force UINavigationBar
to show the color I want?
Note: I'm only having a problem with navigation controller buttons color since the background itself is set to image.
You need to do this:
self.tintColor = [UIColor colorWithRed:(26.0f/255.0f) green:(103.0f/255.0f) blue:(159.0f/255.0f) alpha:1.0f];
Otherwise you're doing integer arithmetic and you'll end up with 0 for all of them probably. Use floating point arithmetic and you get the values you desire.
This Works for me
self.navigationController.navigationBar.backgroundColor= [UIColor colorWithRed:57.0/255.0 green:158.0/255 blue:209.0/255 alpha:1.0];
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