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added in version 1.0.0

androidx.legacy.app

Interfaces

ActionBarDrawerToggle.Delegate This interface was deprecated in API level 1.0.0. Use ActionBarDrawerToggle.DelegateProvider in support-v7-appcompat.  
ActionBarDrawerToggle.DelegateProvider This interface was deprecated in API level 1.0.0. Use ActionBarDrawerToggle.DelegateProvider in support-v7-appcompat.  
FragmentCompat.OnRequestPermissionsResultCallback This interface was deprecated in API level 1.0.0. Use Fragment instead of the framework Fragment.  
FragmentCompat.PermissionCompatDelegate This interface was deprecated in API level 1.0.0. Use Fragment instead of the framework Fragment.  

Classes

ActionBarDrawerToggle This class provides a handy way to tie together the functionality of DrawerLayout and the framework ActionBar to implement the recommended design for navigation drawers. 
ActivityCompat This class was deprecated in API level 1.0.0. Use androidx.core.app.ActivityCompat.  
FragmentCompat This class was deprecated in API level 1.0.0. Use Fragment instead of the framework fragment.  
FragmentPagerAdapter This class was deprecated in API level 1.0.0. Use FragmentPagerAdapter instead.  
FragmentStatePagerAdapter This class was deprecated in API level 1.0.0. Use FragmentStatePagerAdapter instead.  
FragmentTabHost This class was deprecated in API level 1.0.0. Use FragmentTabHost instead.