iOS中Navbar設定漸變色效果
阿新 • • 發佈:2019-01-02
- (void) viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
//狀態列高亮
self.navigationController.navigationBar.barStyle = UIStatusBarStyleLightContent;
//導航漸變色
CAGradientLayer *gradientLayer = [CAGradientLayer layer];
gradientLayer.colors = @[(__bridge id)[UIColor colorWithRed:255 green:70 blue:93 alpha:1].CGColor,(__bridge id)[UIColor colorWithRed:251 green:108 blue:42 alpha:1].CGColor];
gradientLayer.locations = @[@0.3, @1.0];
gradientLayer.startPoint = CGPointMake(0, 0);
gradientLayer.endPoint = CGPointMake(1.0, 0);
gradientLayer.frame = CGRectMake(0, -20, ScreenWidth, 64 );
[self.navigationController.navigationBar.layer addSublayer:gradientLayer];
}