Provides the action bar instance. @return the action bar.

Returns the navigation drawer item that corresponds to this Activity. Subclasses have to override this method.

Called when the fragment attaches to the context

Enables the functionality that selected items are automatically highlighted.

Handles the navigation item click and starts the corresponding activity. @param item the selected navigation item

Inflates the layout and binds the view via ButterKnife. @param inflater the inflater @param container the layout container @param layout the layout re

Is the container present? If so, we are using the two-pane layout. @return true if the two pane layout is used.

Handles the navigation item click. @param itemId the clicked item

Updated the checked item in the navigation drawer @param navigationView the navigation view

Creates the item click listener. @param navigationView the navigation view

Sets up the navigation drawer.

Utility class

onAttach(Context) is not called on pre API 23 versions of Android. onAttach(Activity) is deprecated but still necessary on older devices.

Called when an item has been selected @param id the selected quote ID