收藏图片,将图片保存到iphone本地图库中

-(void)saveImage:(UIBarButtonItem *)sender{


    /**


     *  将图片保存到iPhone本地相册


     *  UIImage *image            图片对象


     *  id completionTarget       响应方法对象


     *  SEL completionSelector    方法


     *  void *contextInfo


     */


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


}



- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo{

 if(error == nil) {

       UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示"message:@"已存入手机相册"delegate:self cancelButtonTitle:nil otherButtonTitles:@"确定",nil];
       [alert show];

 }else{

        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示"message:@"保存失败"delegate:self cancelButtonTitle:nil otherButtonTitles:@"确定", nil];

        [alert show];

}

    


}