@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    View view = inflater.inflate(R.layout.fragment_fragment_mapa_robo, container, false);
    // Inflate the layout for this fragment

    spinner = (Spinner) view.findViewById(R.id.spinner);
    ArrayAdapter<String> arrayAdapter =new  ArrayAdapter<>(this.getActivity(),android.R.layout.simple_spinner_item,lista);
    arrayAdapter.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
    spinner.setAdapter(arrayAdapter);

    spinner.setOnItemSelectedListener(this);

    return view;
}

@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
    String texto = spinner.getSelectedItem().toString();
    Toast.makeText(view.getContext(),texto, Toast.LENGTH_SHORT).show();

}

@Override
public void onNothingSelected(AdapterView<?> adapterView) {

}