IS THIS ADDRESS TO ACCESS ASSET CORRECT?
i am not sure about your method but here is what i do
1.Get the value (URL) from firebase
2.use web component
3. set the url of web component to the value(URL) recived from the firebase
4.call web get
5.when web1 gets the file then save response in empty list or tinydb
for the webviewer after building the app using the apk file, yes