Dawninest

Objective-C | 相册和相机

获取相册照片

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- (void)selectAlbum {
    UIImagePickerController *imagePicker = [[UIImagePickerController alloc]init];
    imagePicker.delegate = self;
    //picker的资源类型
    imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
    //是否编辑照片
    imagePicker.allowsEditing = YES;
    [self presentViewController:imagePicker animated:YES completion:nil];
 }

开启相机功能采集图片

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- (void)takePhoto {
    if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
        NSLog(@"error");
        return;
    }
    UIImagePickerController *imagePicker = [[UIImagePickerController alloc]init];
    imagePicker.delegate = self;
    //picker的资源类型
    imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
    //是否编辑照片
    //imagePicker.allowsEditing = YES;
    
    [self presentViewController:imagePicker animated:YES completion:nil];
}

图片获得

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- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
    //NSLog(@"%@",info);
    _imageView.image = info[@"UIImagePickerControllerEditedImage"];
    [picker dismissViewControllerAnimated:YES completion:nil];//选择完后隐藏选择图片功能
}