获取 iOS 图像的文件路径以在 Unity 中使用

Question

我需要获取 iOS 图像的文件路径，以便将其用于我在 Unity 中处理的项目。到目前为止我有这个代码：

#pragma mark - UIImagePickerControllerDelegate
// This method is called when an image has been chosen from the library or taken from the camera.
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *, id> *)info
{
    NSString *type = [info objectForKey:UIImagePickerControllerMediaType];
    NSLog(@"type=%@",type);
    if ([type isEqualToString:(NSString *)kUTTypeImage])
    {
        NSURL* imageURL = (NSURL *)[info valueForKey:UIImagePickerControllerReferenceURL];
        NSString *urlString = [imageURL absoluteString];

        const char* cp = [urlString UTF8String];
        if(cp)
            strcpy(image_path, cp);
        else
        {//If the image path is unasigned give ERROR instead
            char* error = "ERROR";
            strcpy(image_path, error);
        }
    }

    [self dismissViewControllerAnimated:YES completion:NULL];

    // UnitySendMessage("GameObject", "VideoPicked", video_url_path);
    UnitySendMessage(callback_game_object_name, callback_function_name, image_path);
}

但是 returns 图像地址的格式类似于以下内容：

assets-library://asset/asset.JPG?id=92C96E1D-F714-49E6-8074-5B5980FF944F&ext=JPG

据我所知，这仅对 iPhone 库有用，有没有办法得到它的实际路径，或者我完全走错了路？

作为旁注，Unity 代码完全没问题，可以统一接收字符串等，但不知道如何处理它。

编辑：感谢 Pankaj 的回复，这个函数让我可以使用它

// This method is called when an image has been chosen from the library or taken from the camera.
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *, id> *)info
{
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    NSString *imagePath = [documentsDirectory stringByAppendingPathComponent:@"setName.png"];

    //save image here and then use that imagePath
    NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];
    if ([mediaType isEqualToString:@"public.image"]){
        UIImage *editedImage = [info objectForKey:UIImagePickerControllerEditedImage];
        NSData *imageData = UIImagePNGRepresentation(editedImage);
        [imageData writeToFile:imagePath atomically:YES];
    }
    NSLog(@"imagePath=%@",imagePath);
    const char* cp = [imagePath UTF8String];
    strcpy(image_path, cp);

    [self dismissViewControllerAnimated:YES completion:NULL];

    UnitySendMessage(callback_game_object_name, callback_function_name, image_path);
}

Answer 1

从 PickerView 中获取图像，然后将其存储在文档目录中，然后将该路径用于 Unity。

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *imagePath = [documentsDirectory stringByAppendingPathComponent:@"setName.png"];

//save image here and then use that imagePath
NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];
if ([mediaType isEqualToString:@"public.image"]){
    UIImage *editedImage = [info objectForKey:UIImagePickerControllerEditedImage];
    NSData *imageData = UIImagePNGRepresentation(editedImage);
    [imageData writeToFile:imagePath atomically:YES];
}

UnitySendMessage(callback_game_object_name, callback_function_name, imagePath);

获取 iOS 图像的文件路径以在 Unity 中使用

Getting the file path of iOS image for use in Unity

c#

objective-c

uiimagepickercontroller

unity3d

ios