问单击导航后退按钮，然后导航栏重叠相同的视图。

EN

self.navigationController.navigationBarHidden = YES;

UIView *newNavBar = [[UIView alloc] init];
newNavBar.backgroundColor = [UIColor colorWithRed:255.0/255.0 green:150.0/255.0 blue:0.0/255.0 alpha:1.0];

UIImageView *backgroundImgView = [[UIImageView alloc]init];
backgroundImgView.image = [UIImage imageNamed:@"abc_image"];
[newNavBar addSubview:backgroundImgView];

UIButton *backBtn = [UIButton buttonWithType:UIButtonTypeCustom];
backBtn.frame=CGRectMake(5,15, 50, 50);//set frames according to your req
[backBtn setImage:[UIImage imageNamed:@"xyz_icon"] forState:UIControlStateNormal];
[backBtn addTarget:self action:@selector(backBtnAction) //your method forControlEvents:UIControlEventTouchUpInside];
[newNavBar addSubview:backBtn];
[self.view addSubview:newNavBar];