User does not have permission to access this object . Firebase storage android

Question

I am new to firebase storage. Just so I could learn it, I made a simple app that has a button and an ImageView. When I click on the button, an image (from

Answer 1

Go to storage -> Rules tab

add this

// Anyone can read or write to the bucket, even non-users of your app.
// Because it is shared with Google App Engine, this will also make
// files uploaded via GAE public.
service firebase.storage {
  match /b/{bucket}/o {
    match /{allPaths=**} {
      allow read, write;
    }
  }
}