Help prepare and android project

Hello, i believe all android programmers here are familiar with loading local html in an android app via webview. The task i have for you is listed below: From the webview, i should be able to do the following 1. Make calls on html button click 2. Send message on html button click 3. Send emails on html button click 4. Bring up the rate app box from html button click 5. Firebase notifcation working 6. Get everything i need for firebase notification(device id) to work on my html page 7. Location service (detect and set) from my html page 8. Download and upload from html page Note : Webpages to be loaded are being worked on so all you have to do is wok on the permissions.