反应本机导航选项卡注销功能

So I have a react native app and I am using react-navigation tab navigator. My problem is I put my Logout function on the tab navigator too, but each tab requires a screen. Now what I want to happen is when I click Logout it doesn't have to navigate anywhere it just have to clear asyncstorage then redirect to Login screen.So I have a react native app and I am using rea