zoukankan      html  css  js  c++  java
  • iOS截屏保存至相册

    #pragma mark 截屏并保存至相册

    -(void)screenShotsComplete:(void(^)(UIImage * img)) complete

    {

        CGSize imageSize = [[UIScreen mainScreen] bounds].size;

        UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0);

        

        CGContextRef context = UIGraphicsGetCurrentContext();

        

        for (UIWindow * window in [[UIApplication sharedApplication] windows]) {

            if (![window respondsToSelector:@selector(screen)] || [window screen] == [UIScreen mainScreen]) {

                CGContextSaveGState(context);

                CGContextTranslateCTM(context, [window center].x, [window center].y);

                CGContextConcatCTM(context, [window transform]);

                CGContextTranslateCTM(context, -[window bounds].size.width*[[window layer] anchorPoint].x, -[window bounds].size.height*[[window layer] anchorPoint].y);

                [[window layer] renderInContext:context];

                

                CGContextRestoreGState(context);

            }

        }

        

        UIImage *image = UIGraphicsGetImageFromCurrentImageContext();

        UIGraphicsEndImageContext();

        UIImageWriteToSavedPhotosAlbum(image, self, nil, nil);

        NSLog(@"Suceeded!");

        if(complete){

            complete(image);

        }

     

    }

     

    //点击保存至相册后,出现动画效果

    [self screenShotsComplete:^(UIImage *img) {

                UIImageView * imgView=[[UIImageView alloc]initWithFrame:weakSelf.view.bounds];

                imgView.image=img;

                [weakSelf.view addSubview:imgView];

                

                CGPoint center=CGPointMake(weakSelf.view.center.x, weakSelf.view.center.y-64);

                [UIImageView animateWithDuration:1.0f animations:^{

                    imgView.width-=imgView.width;

                    imgView.height-=imgView.height;

                    imgView.alpha=0.0f;

                    imgView.center=center;

                } completion:^(BOOL finished) {

                    [imgView removeFromSuperview];

                    btn.enabled=YES;

                    [HintInfoView showOnView:weakSelf.view hintTitle:@"保存成功!" hintFont:weakSelf.commonTitleFont];

                }];

                

                

            }];

        };

     

     

     

     

     

  • 相关阅读:
    综合实例-文本框类部件
    输入掩码
    WebP,Jpeg,Png格式图片的编解码区别
    美团点评提前批面经
    Android中AIDL的使用详解,如何发起回调?
    JNI在Android中的实践NDK:Hello World
    Timer实现原理
    百度秋招凉经:客户端测开
    阿里秋招面经:Android客户端开发工程师
    Picasso和Glide区别
  • 原文地址:https://www.cnblogs.com/daxueshan/p/5804060.html
Copyright © 2011-2022 走看看