如何在IOS中将文本框覆盖在本机相机视图上

在执行我试图完成的构建时遇到问题

我已经完成了构建1和构建2

构建1-一个简单的空白屏幕，带有两个带有对齐约束的文本框

构建2-当应用程序运行时，它调用IOS设备的本机后台摄像头

我的第三个构建是前两个构建合为一个，其中本机摄影机显示一个实时视频提要，而重叠的是两个文本框及其对齐约束

我不确定如何将这两位代码组合在一起

我目前拥有的代码：

生成1-.h文件

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

@property (strong, nonatomic) IBOutlet UIView *TestTextBox;

@property (weak, nonatomic) IBOutlet UITextView *TestTetBox2;

@end

构建2-.h文件

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController <UIImagePickerControllerDelegate,UINavigationControllerDelegate>

@property (strong, nonatomic) IBOutlet UIImageView *imageView;


@end

#导入
@界面ViewController:UIViewController
@属性（强，非原子）IBUIImageView*imageView；
@结束

构建2-.m文件

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

-(void)viewDidAppear:(BOOL)animated{
    [super viewDidAppear:animated];

    if (self.imageView.image == nil) {
        UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] init];
        imagePickerController.modalPresentationStyle = UIModalPresentationCurrentContext;
        imagePickerController.delegate = self;
        imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera; //Defualts to Native Camera View
        imagePickerController.showsCameraControls = NO; //removes camera controlls
        [self presentViewController:imagePickerController animated:NO completion:nil];
    }

    else{

    }

}

-(void) imagePickerControllerDidCancel:(UIImagePickerController *)picker{
    [self dismissViewControllerAnimated:YES completion:nil];
}

-(void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{
    UIImage *image = [info valueForKey:UIImagePickerControllerOriginalImage];
    self.imageView.image = image;
    [self dismissViewControllerAnimated:YES completion:nil];
}



- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

#导入“ViewController.h”
@界面视图控制器（）
@结束
@实现视图控制器
-（无效）viewDidLoad
{
[超级视图下载]；
//加载视图后，通常从nib执行任何其他设置。
}
-（无效）视图显示：（BOOL）动画{
[超级视图显示：动画]；
if（self.imageView.image==nil）{
UIImagePickerController*imagePickerController=[[UIImagePickerController alloc]init]；
imagePickerController.modalPresentationStyle=UIModalPresentationCurrentContext；
imagePickerController.delegate=self；
imagePickerController.sourceType=UIImagePickerController源类型Camera；//解除对本机相机视图的限制
imagePickerController.showsCameraControls=NO；//删除相机控件
[self-presentViewController:imagePickerController已设置动画：未完成：无]；
}
否则{
}
}
-（无效）ImagePickerController IDCancel:（UIImagePickerController*）选择器{
[自我解除视图控制器激活：是完成：无]；
}
-（void）imagePickerController:（UIImagePickerController*）picker未使用信息完成PickingMediaWithInfo:（NSDictionary*）信息{
UIImage*image=[info-valueForKey:UIImagePickerControllerOriginalImage]；
self.imageView.image=图像；
[自我解除视图控制器激活：是完成：无]；
}
-（无效）未收到记忆警告{
[超级记忆警告]；
//处置所有可以重新创建的资源。
}
@结束

您不能使用

UIImagePickerController在自定义
UIView
中显示摄像头。您需要使用
AVFoundation
framework在自定义
UIView
ok cool！！你知道我如何去纠正这个吗？请跟随，谢谢！我刚刚读了一遍，所以我接下来的步骤就是从这里使用这段代码。我是将其放入ViewController.swift还是AppDelegate.swift？我不需要使用焦距或颜色平衡功能，所以我可以继续到设置部分的末尾吗？你需要的是设置一个预览层并在该层中启动相机会话。嗯，好的，很酷，这很有意义，我以前使用过swift，我只使用过objective c。我应该把这些代码放在我的xcode项目的什么地方？我是这方面的新手，所以需要非常清晰简单的术语来理解
#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

-(void)viewDidAppear:(BOOL)animated{
    [super viewDidAppear:animated];

    if (self.imageView.image == nil) {
        UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] init];
        imagePickerController.modalPresentationStyle = UIModalPresentationCurrentContext;
        imagePickerController.delegate = self;
        imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera; //Defualts to Native Camera View
        imagePickerController.showsCameraControls = NO; //removes camera controlls
        [self presentViewController:imagePickerController animated:NO completion:nil];
    }

    else{

    }

}

-(void) imagePickerControllerDidCancel:(UIImagePickerController *)picker{
    [self dismissViewControllerAnimated:YES completion:nil];
}

-(void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{
    UIImage *image = [info valueForKey:UIImagePickerControllerOriginalImage];
    self.imageView.image = image;
    [self dismissViewControllerAnimated:YES completion:nil];
}



- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end