ios 中长按图片或者二维码，保存图片到手机的方法

标签：fit   eww   image   idt   anim   spec   ring   sel   ima   

 self.imageView = [[UIImageView alloc]init];

    self.imageView.frame =  CGRectMake(30, titleLabel.height+30, self.neirongView.width-60, 170);

    self.imageView.contentMode=UIViewContentModeScaleAspectFit;

    [self.imageView setImageWithURL:[NSURL URLWithString:_ImageUrl]];

    [self.neirongView addSubview:self.imageView];

    self.imageView.tag = 1234;

//    self.imageView.backgroundColor =Table_BGColor;

    self.imageView.userInteractionEnabled =YES;

    UILongPressGestureRecognizer*longpress=[[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(imageClick)];

    //判定为长按手势 需要的时间

    longpress.minimumPressDuration = 1;

    [self.imageView addGestureRecognizer:longpress];

-（void）imageClick{

UIImageView *myImageView = (UIImageView *)[self viewWithTag:1234];

        UIImageWriteToSavedPhotosAlbum(myImageView.image, self, @selector(image:didFinshSavingWithError:contextInfo:), nil);

}

// 保存图片错误提示方法

- (void)image:(UIImage *)image didFinshSavingWithError:(NSError *)error contextInfo:(void *)contextInfo

{

    NSString *mes = nil;

    if (error != nil) {

        mes = @"保存图片失败";

    } else {

        mes = @"保存图片成功";

    }

    [self makeToast:mes];

    [NSTimer scheduledTimerWithTimeInterval:0.8f target:self selector:@selector(fadeOut) userInfo:nil repeats:NO];

}

- (void)fadeOut{

    [UIView animateWithDuration:.35 animations:^{

        self.alpha = 0.0;

    }completion:^(BOOL finished) {

        if (finished){

            [self removeFromSuperview];

        }

    }];

}

ios 中长按图片或者二维码，保存图片到手机的方法

标签：fit   eww   image   idt   anim   spec   ring   sel   ima   

原文地址：http://www.cnblogs.com/xiwanxiang190351/p/7027730.html