导航栏标题的设置以及左右按钮的颜色、选取照片弹出UIImagePickView时状态栏上移问题、View向上旋转某个角度

//设置邮件的标题颜色

picker.navigationBar.titleTextAttributes = @{NSForegroundColorAttributeName:[UIColor colorWithRed:156/255.0 green:178/255.0 blue:42/255.0 alpha:1.0], NSFontAttributeName: [UIFont systemFontOfSize:16]};

设置左右按钮的颜色

picker.navigationBar.tintColor = [UIColor colorWithRed:156/255.0 green:178/255.0 blue:42/255.0 alpha:1.0];
//选取照片弹出UIImagePickView时状态栏上移问题

设置info ---->Key: View controller-based status bar appearance Type:Boolean Value:YES 状态栏不上升

使一个控件能够旋转一定的角度

UILabel *lable=[[UILabel alloc]init];

CGAffineTransform transform = CGAffineTransformMakeRotation((45.0f * M_PI) / 180.0f);

label.transform=transform;