如何在iOS中从iPhone照片库中选择图像名称和图像

如何在iOS中从iPhone照片库中选择图像名称和图像,ios,objective-c,iphone,uiimagepickercontroller,Ios,Objective C,Iphone,Uiimagepickercontroller,我正在从iPhone照片库中挑选图像,或者以其他方式从相机卷中挑选图像。我做那件事没有任何问题。但是我需要从库中检索图像名称。但我无法从图库中选择图像名称。我的要求是我想从照片库中选择图像和图像名称,然后发送聊天墙 - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { [picker dismissViewCo

我正在从iPhone照片库中挑选图像,或者以其他方式从相机卷中挑选图像。我做那件事没有任何问题。但是我需要从库中检索图像名称。但我无法从图库中选择图像名称。我的要求是我想从照片库中选择图像和图像名称,然后发送聊天墙

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    [picker dismissViewControllerAnimated:YES completion:nil];

    UIImage *image =[[UIImage alloc] init];

    image =[info objectForKey:@"UIImagePickerControllerOriginalImage"];

    NSURL *imagePath = [info objectForKey:@"UIImagePickerControllerReferenceURL"];

//Here I am able to get the image path like this: assets-library://asset/asset.JPG?id=9F983DBA-EC35-42B8-8773-B597CF782EDD&ext=JPG

    imageName = [imagePath lastPathComponent];

    NSData *imageData;

    NSString *extensionOFImage =[imageName substringFromIndex:[imageName rangeOfString:@"."].location+1 ];

    if ([extensionOFImage isEqualToString:@"jpg"])
    {
        imageData =UIImagePNGRepresentation(image);
    }
    else
    {
        imageData = UIImageJPEGRepresentation(image, 1.0);
    }

    int imageSize=imageData.length/1024;

    NSLog(@"imageSize--->%d", imageSize);

    if (imageName!=nil) {

        NSLog(@"imageName--->%@",imageName);

//here the imageName is showing like this “asset.jpg”..

    }
    else
    {
        NSLog(@"no image name found");
    }
}

-(void)sendMessage:(NSString *)messageTxt {

    str=@"Ryan";

    mesText=messageTxt;

    senderImgName=[UIImage imageNamed:imageName];

//here the imageName is showing like this = asset.jpg

//but senderImgName= null.

    NSString *str1=imageName;

    NSLog(@"sender image name is:%@",senderImgName);

    imgData=[NSData dataWithData:UIImageJPEGRepresentation(senderImgName, 0)];

    finalImagePath=[imgData base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];

    NSLog(@"Final image path is:%@", finalImagePath);
}

使用照片框架并导入照片/照片。h

#import "Photos/Photos.h"
在imagePickerController函数中,添加以下内容以从照片库获取所选图像的文件名:

NSURL *imagePath = [editingInfo objectForKey:UIImagePickerControllerReferenceURL];
PHFetchResult *result = [PHAsset fetchAssetsWithALAssetURLs:@[imagePath] options:nil];
NSString *filename = [[result firstObject] filename];
NSLog(@"[filename ] %@", filename );

结果如下:[filename]IMG_0012.JPG

可能重复的@Ronakhaniyara这不是重复的。。如果你有任何想法请告诉我。。。我对此感到惊讶issue@satya您尝试过该链接中提供的解决方案吗?@UmairAfzal yes bro。。但我找不到图像名兄弟。。