title: ionic 4 show footer above the keyboard
body: <p><a href="https://i.stack.imgur.com/f5Ces.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/f5Ces.png" alt="enter image description here"></a><a href="https://i.stack.imgur.com/ENqDz.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ENqDz.png" alt="enter image description here"></a>I have a problem with the keyboard in my application ionic 4.
  the text box in the footer is hidden when the keyboard is displayed, which makes it impossible to see what is written in the text box.</p>
  
  <p><a href="https://i.stack.imgur.com/3Dpm3.png" rel="nofollow noreferrer">without keyboard</a></p>
  
  <p><a href="https://i.stack.imgur.com/GX0zM.png" rel="nofollow noreferrer">when the keyboard is displayed</a></p>
  
  <p>thank you for proposing a solution to my problem</p>