This is a Custom React Native Android module that enables image & video upload from a Webview

Android WebView can't open a dialog window for upload file, but this demo can make it.

Getting image upload to work in the Android React Native web view.

Enhancing the React Native Webview (Part 1) – Supporting File Uploads in iOS & Android

File upload in react native webview for android

react-native dooboo-cli & react-native-webview-android-file-upload sample app for myself