Why Material-UI Appbar onLeftIconButtonTouchTap is not work?

Question

Im studying React-Redux, Material-UI.
Now, Im trying to create Sample App, but not work.
I dont know how to improve my code.
I want to open Drawer , when Materia

Answer 1

You are not binding the function correctly. You need to update your code to

<AppBar
  title='sample'
  onLeftIconButtonTouchTap = { openDrawer.bind(this) }
/>

More about .bind() method here: Use of the JavaScript 'bind' method