MPasswordTextBox mPasswordTextBox = new MPasswordTextBox();
mPasswordTextBox.setPlaceHolder("password box");
widgetList.add(mPasswordTextBox);
MNumberTextBox numberBox = new MNumberTextBox();
numberBox.setPlaceHolder("number keyboard");
widgetList.add(numberBox);
MDateBox dateBox = new MDateBox();
dateBox.setPlaceHolder("mm/dd//yyyy");
widgetList.add(dateBox);