adapter = new FirebaseRecyclerAdapter<Medidata, MedidataViewHolder>(options) {
@Override
protected void onBindViewHolder(@NonNull MedidataViewHolder holder, int position, @NonNull Medidata model) {
holder.txtname.setText(model.getName());
holder.txtdegree.setText(model.getDegree());
holder.txtlocation.setText(model.getLocation());
holder.txtserial.setText(model.getSerial());
holder.dcimage.**setImage**(getApplicationContext(),model.getImage());
}