I have `private var drawerToggle: ActionBarDrawerT...

# android

[tgmcians]

I have private var drawerToggle: ActionBarDrawerToggle? = null and adding drawer listener mDrawer?.addDrawerListener(drawerToggle);. I am getting an error Smart cast to 'ActionBarDrawerToggle' is impossible, because 'drawerToggle' is a mutable property that could have been changed by this time