Progress Bar % completed (download) Display in Android

Question

I have a problem with Progress Bar showing % of download completed. I have a service class in which the downloading takes place. I can get the start time and end time of do

Answer 1

Progress bar with counting %

//you can use these method after Firebase Storage upload task

 final ProgressDialog progressDialog = new ProgressDialog(this);
   progressDialog.setTitle("Uploading...");
   progressDialog.show();
   progressDialog.setCanceledOnTouchOutside(false);
   StorageReference reference = storageReference
                                  .child("images/" + UUID.randomUUID().toString());

  reference.putFile(filePath).addOnProgressListener(new 
                                OnProgressListener() {
                                @Override
                                public void onProgress(@NonNull UploadTask.TaskSnapshot 
                                      taskSnapshot) {
                                    double progress =                  
             (100.0*taskSnapshot.getBytesTransferred()/taskSnapshot.getTotalByteCount());
                                    progressDialog.setMessage("Uploaded "+ 
                                 (int)progress+"%");

                                }
                            });

Result