Properly exit

app/src/main/java/eu/faircode/email/FragmentSetup.java

@@ -531,6 +531,10 @@ public class FragmentSetup extends FragmentBase implements SharedPreferences.OnS
         btnInbox.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
+                FragmentActivity activity = getActivity();
+                if (activity instanceof ActivitySetup)
+                    ((ActivitySetup) activity).onExit();
+                else
                     ((FragmentBase) getParentFragment()).finish();
             }
         });