学习笔记-保存图片

保存图片

- (IBAction)saveButton:(UIButton *)sender {
    //将图片写入相册
    UIImageWriteToSavedPhotosAlbum(self.imageView.image, self, @selector(image:didFinishSavingWithError:contextInfo:), nil);

}
- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo
{
    if (error) {
        [SVProgressHUD showErrorWithStatus:@"保存失败!"];
    } else {
        [SVProgressHUD showSuccessWithStatus:@"保存成功!"];
    }
}