Source code: https://weblearners.blogspot.com/2021/07/how-to-enable-file-upload-and-download.html

How to upload multiple files at a time in webview || Convert Website Into Android App Part 19
https://youtu.be/IBUIIjhi6nc

How to Upload any type file in webview android app using android studio: https://youtu.be/Nt0g2o8aklA

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