iOS 图片保存手机相册

UIImageWriteToSavedPhotosAlbum(app.erweiImg, self, @selector(image:didFinishSavingWithError:contextInfo:), nil);

- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo{ UIAlertView *alert; if (error == nil) { alert = [[[UIAlertView alloc]initWithTitle:@"温馨提示" message:@"保存成功" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil]autorelease]; [alert show]; return; } else { alert = [[[UIAlertView alloc]initWithTitle:@"保存失败" message:@"请打开 设置-隐私-照片 来进行设置" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil]autorelease]; [alert show]; return; }}