UISB 导航栏工具栏

secendelegate.m

#import "SceneDelegate.h"
#import "VCRoot.h"
@interface SceneDelegate ()

@end

@implementation SceneDelegate


- (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions {
    self.window = [[UIWindow alloc] initWithWindowScene:(UIWindowScene *)scene];
    self.window.frame = CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height);
    
    
    UINavigationController* nav=[[UINavigationController alloc] initWithRootViewController:[[VCRoot alloc]init]];
    
    self.window.rootViewController=nav;
    [self.window makeKeyAndVisible];
}
    

VCRoot.m

#import "VCRoot.h"

@interface VCRoot ()

@end

@implementation VCRoot

- (void)viewDidLoad {
    [super viewDidLoad];
//    self.view.backgroundColor=[UIColor yellowColor];
    //默认 半透明
    self.navigationController.navigationBar.barStyle=UIBarStyleDefault;
    // 设置 透明
    self.navigationController.navigationBar.translucent=NO;
    // 设置 导航栏的颜色
    self.navigationController.navigationBar.barTintColor=[UIColor redColor];
    //设置导航栏元素风格
    self.navigationController.navigationBar.tintColor=[UIColor greenColor];
    
    //隐藏导航栏
//    self.navigationController.navigationBar.hidden=YES;
//    self.navigationController.navigationBarHidden=YES;
    
    
    
    
    self.title=@"根视图";
    
    UIBarButtonItem* btn = [[UIBarButtonItem alloc]initWithTitle:@"右侧按钮" style:UIBarButtonItemStyleDone target:self action:nil];
    
    self.navigationItem.rightBarButtonItem=btn;
    
    
    UIBarButtonItem* btn01=[[UIBarButtonItem alloc]initWithTitle:@"left" style:UIBarButtonItemStylePlain target:nil action:nil];
    
    UIBarButtonItem* btn02=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemCamera target:nil action:nil];
    
    UIButton* btnImage = [UIButton buttonWithType:UIButtonTypeCustom];
    
    [btnImage setImage:[UIImage imageNamed:@"Processsettings"] forState:UIControlStateNormal];
    
    btnImage.frame=CGRectMake(0, 0, 60, 60);
    
    UIBarButtonItem* btn03=[[UIBarButtonItem alloc]initWithCustomView:btnImage];
    NSArray* arrayBtns=[NSArray arrayWithObjects:btn01, btn02,btn03,nil];
    
    
    self.toolbarItems=arrayBtns;
    

    
}



@end