How to prevent keyboard to move the items inside ionic3 page

I’m using ionic3 and the lasted keyboard plugin , I have an input when I click on it a calendar and a keyboard shown, so the calendar move to up and when focus on something else also the calendar move more up, so i need to fix their position. I can’t hide the keyboad when click on the input because the calendar itself and another dropdown keyboad on ios . so I didn’t find any solutions anyone know ?