Firebase Authentication, Realtime Database & Storage
Firebase Project https://javapapers.com/android/android-firebase-authentication/
https://www.simplifiedcoding.net/firebase-realtime-database-crud/
https://www.simplifiedcoding.net/firebase-storage-example/
https://stackoverflow.com/questions/50585334/tasksnapshot-getdownloadurl-method-not-working
Get File Download URL for 19.0.1 storage
String download_image_path = task.getResult().getUploadSessionUri().toString();