public void showNumberPickerDialog( String title, int value, String unit)
  {
  final Dialog d = new Dialog(getActivity());
  d.setTitle(title);
  d.setContentView(R.layout.dialog_numberpick);
  Button btnOk = (Button) d.findViewById(R.id.btn_ok);
  Button btnCancel = (Button) d.findViewById(R.id.btn_cancel);

  int iH = (value / 100) % 100;
  int iZ = (value / 10) % 10;
  int iE = value % 10;

  final NumberPicker np0 = (NumberPicker) d.findViewById(R.id.numberPicker0);
  final NumberPicker np1 = (NumberPicker) d.findViewById(R.id.numberPicker1);
  final NumberPicker np2 = (NumberPicker) d.findViewById(R.id.numberPicker2);
  final TextView unt = (TextView) d.findViewById(R.id.unit);
  np0.setMaxValue(9);
  np0.setMinValue(0);
  np1.setMaxValue(9);
  np1.setMinValue(0);
  np2.setMaxValue(9);
  np2.setMinValue(0);

  np0.setValue(iE);
  np1.setValue(iZ);
  np2.setValue(iH);
  unt.setText(unit);

  np0.setWrapSelectorWheel(true);
  np1.setWrapSelectorWheel(true);
  np2.setWrapSelectorWheel(true);

  btnOk.setOnClickListener(new View.OnClickListener()
  {
      @Override
      public void onClick(View v) {
          Log.d(LOG_TAG, "btnOK click.");
          int aVal = np0.getValue() + (np1.getValue()*10) + (np2.getValue()*100);

          //do something with aVal

          d.dismiss();
      }
  });

  btnCancel.setOnClickListener(new View.OnClickListener()
  {
      @Override
      public void onClick(View v) {
          Log.d(LOG_TAG, "btnCancel click.");
          d.dismiss();
      }
  });

  d.show();
 }


// Dialog DoEdit

public void showMyEditDialog( DsFi f )
{
    final Dialog d = new Dialog(this, R.style.Dlg);
    d.setTitle("My Title");
    d.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
    d.setContentView(R.layout.activity_dlg_edit);

    Button btnClose = (Button) d.findViewById(R.id.dfe_btn_close);

    TextView tvStartNum = (TextView) d.findViewById(R.id.dfe_txt_startnum);
    TextView tvEndNum = (TextView) d.findViewById(R.id.dfe_txt_endnum);
    TextView tvDuration = (TextView) d.findViewById(R.id.dfe_txt_duration);

    tvStartNum.setText(String.format("%d", f.getStartNum()) );
    tvEndNum.setText(String.format("%d", f.getEndNum()) );
    tvDuration.setText(String.format("%d", f.getDuration()) );

    btnClose.setOnClickListener(new View.OnClickListener()
    {
        @Override
        public void onClick(View v) {
            Log.d(LOG_TAG, "btnReload click.");
        }
    });

    // this is fiction, but thats how i want to use my MyNumPickerDialog class.
    final MyNumPickerDialog dlgNP = new MyNumPickerDialog(this, new MyNumPickerDialog.OnNumSetListener() {
        public void onNumSet(NumPickerDialog view, int num) {
            tvStartNum.setText(String.format("%d", num()) );
        }
    };
    // end fiction

    tvStartNum.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View vi) {
            String sNum = tvStartNum.getText().toString();
            int n = Integer.parseInt(sNum);
            // fiction ...
            dlgNP.updateNum(n);
            dlgNP.show();
        }
    });


    d.show();
}