如何在将文件上传到Firebase存储和数据库之前先压缩pdf文档 [英] How to compress the pdf document before uploading to firebase storage and database in flutter

问题描述

在我的flutter项目中，我(用户)必须上传pdf数量.因此，要保守地使用Firebase，我需要在将图像和pdf上传到Firebase存储时对其进行压缩.

In my flutter project I (users) have to Upload number of pdfs. So to use the firebase conservatively I need to compress the images and pdfs while uploading to the firebase storage.

注意:我正在使用Firebase Spark Plan(仅免费提供5GB)

Note: I am using firebase spark plan ( free upto 5GB only)

请向我建议一种压缩pdf文档的技术，因为我正在使用file_picker来选择pdf文档，然后使用firebasestorage进行上传.

Please suggest me a techinique for compressing pdf documents as I am using file_picker for picking pdfs documents and then firebasestorage to upload.

坦白地说，我已经搜索了pub.dev，但没有找到任何内容.

Frankly speaking I have searched pub.dev , but did'nt find any.

推荐答案

这是解决方案，我创建了一个flutter程序包.目前它仅适用于android设备，并且压缩质量非常好.您可以在此处查看 https://pub.dev/packages/pdf_compressor

Here is the solution, i have created a flutter package. For now it works only for android device, and compression quality is pretty good. you can check it out here https://pub.dev/packages/pdf_compressor

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