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设置渐变色
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#import "NavigationViewController.h"
#define LBColor(r, g, b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0]
@interface NavigationViewController ()
@end
@implementation NavigationViewController
-(UIStatusBarStyle)preferredStatusBarStyle{
return UIStatusBarStyleLightContent;
}
- ( void )viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.navigationBar.translucent = YES;
CAGradientLayer *gradientLayer = [CAGradientLayer layer];
UIColor *color1= LBColor(255, 70, 93);
UIColor *color2 = LBColor(251, 108, 42);
gradientLayer.colors = @[(__bridge id)color1.CGColor, (__bridge id)color2.CGColor];
gradientLayer.locations = @[@0.5, @1.0];
gradientLayer.startPoint = CGPointMake(0, 0);
gradientLayer.endPoint = CGPointMake(1.0, 0);
gradientLayer.frame = CGRectMake(0, -20, self.view.frame.size.width, 64);
[self.navigationBar.layer addSublayer:gradientLayer];
}
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总结
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原文链接:http://www.jianshu.com/p/2e2d0b3c904a