LayoutInflater inflater = getLayoutInflater();
                dialogView = inflater.inflate(R.layout.activity_remote, null);
                AlertDialog.Builder builder = new AlertDialog.Builder(ServerActivity.this);
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                    builder.setTitle("Важное сообщение!")
                            .setView(dialogView)
                            .setCancelable(false)
                            .setNegativeButton("ОК",
                                    new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                            dialog.cancel();
                                        }
                                    });
                }
                AlertDialog alert = builder.create();
                alert.show();
            }
        });
//и вызов прогресс бара
((ProgressBar) dialogView.findViewById(R.id.remote_video_progress)).setProgress(Integer.valueOf(jsonObject.get("VideoProgress").toString()));