[Android] How to prevent default Download Manager

[ivankdev]

Integrating webview in my RN app. I use Publitas API as url resource and need to handle onFileDownload event on android. This is minimal code snippet for repro.

"react-native-webview": "^13.8.4",

import { Alert } from 'react-native'
import WebView from 'react-native-webview'

export const App = () => {
  return (
    <WebView
      source={{ uri: 'https://view.publitas.com/delhaize-belgium/2023-w42-fr' }} // just example of url
      onFileDownload={(url) => {/* downloading */}} 
    />
  )
}

So according to official documentation, onFileDownload works of course only on ios, so I can easily handle it on JS side. On android by default clicking on "download" from on web view always handled by default Download Manager, so user ALWAYS redirected to external browser, but user needs to stay inside app instead.

I've tried to watch through web view native code, but need some advice how to override that behaviour even on native side, default methods like

public void downloadFile(String downloadingMessage)

related to download logic even not being called

---

Question: Any clues how to stop default android behaviour with Download Manager and handle url manually?

[ivankdev]

this mentioned solution not working for me https://github.com/react-native-webview/react-native-webview/issues/2405#issuecomment-1064795293 since onShouldStartLoadWithRequest not being called on download button press

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