Question

我正在尝试获取图像路径＆amp;从imagepicker控制器中选择的图像。我使用了委托方法获取路径＆amp;图像，但我总是得到 null 。

显示imagepicker的代码

- (IBAction)choosePicture:(id)sender
{
    UIImagePickerController *pickerController = [[UIImagePickerController alloc]
                                                 init];
    pickerController.delegate = self;
    [self presentViewController:pickerController animated:YES completion:nil];


}

代表代码

- (void) imagePickerController:(UIImagePickerController *)picker
         didFinishPickingImage:(UIImage *)image
                   editingInfo:(NSDictionary *)editingInfo
{

    //You can retrieve the actual UIImage
    UIImage *pick_image = [editingInfo valueForKey:UIImagePickerControllerOriginalImage];

    NSURL *path = [editingInfo valueForKey:UIImagePickerControllerReferenceURL];
    [picker dismissViewControllerAnimated:YES completion:^{
    }];
}

视图控制器的协议代码

#import <UIKit/UIKit.h>

@interface RegisterViewController : UIViewController <UIImagePickerControllerDelegate, UINavigationControllerDelegate>
@property (weak, nonatomic) IBOutlet UITextField *txt_fname;
@property (weak, nonatomic) IBOutlet UITextField *txt_lname;
@property (weak, nonatomic) IBOutlet UITextField *txt_profession;
@property (weak, nonatomic) IBOutlet UITextField *txt_language;
@property (weak, nonatomic) IBOutlet UITextField *txt_email;
@property (weak, nonatomic) IBOutlet UITextField *txt_password;
@property (weak, nonatomic) IBOutlet UITextField *txt_confirm_password;
@property (weak, nonatomic) IBOutlet UITextField *txt_profile;
@property (weak, nonatomic) IBOutlet UITextField *txt_address;

@end

Answer 1

使用- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info;

可能更好

像

-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    UIImage *originalImage = info[UIImagePickerControllerOriginalImage];
}

Answer 2

使用此委托方法

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

不推荐使用一个（您使用过）

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo NS_DEPRECATED_IOS(2_0, 3_0);

Answer 3

请使用[editingInfo valueForKey:UIImagePickerControllerMediaURL]，[editingInfo valueForKey:UIImagePickerControllerReferenceURL];这将为您提供图片的路径。

Unabe获取图像路径＆amp;使用模拟器在ios中使用UIImagePicker的图像？

3 个答案: