title: How to return value from Special components created by me in another class
body: <p>I'm creating this component _Input.js
  <a href="https://i.stack.imgur.com/Y7q9O.jpg" rel="nofollow noreferrer">this is image for component</a></p>
  
  <p>and i don't know how i can use TextInput Value in another class .</p>
  
  <p>.</p>
  
  <p>Here another class SignInScreen.js
  <a href="https://i.stack.imgur.com/STqsq.jpg" rel="nofollow noreferrer">this is image for another class</a></p>
  
  <p>i want to set value &lt;_Input/>       in { username }</p>