UserListingActivity Error

[GustavoCaramaschi]

I'm getting the following errors for the following segment of code, I have been trying to figure this out but having little to no luck with it: Errors: error: cannot find symbol variable tab_layout_user_listing error: cannot find symbol variable view_pager_user_listing Segment of Code: private void bindViews() { mToolbar = (Toolbar) findViewById(R.id.toolbar); mTabLayoutUserListing = (TabLayout) findViewById(R.id.tab_layout_user_listing); mViewPagerUserListing = (ViewPager) findViewById(R.id.view_pager_user_listing); }