added back button

Author: oblomov-dev

src/z2ui5_cl_demo_app_088.clas.abap

@@ -59,7 +59,10 @@ CLASS z2ui5_cl_demo_app_088 IMPLEMENTATION.
   METHOD z2ui5_view_display.
 
     DATA(view) = z2ui5_cl_xml_view=>factory( ).
-     DATA(page) = z2ui5_cl_xml_view=>factory( )->shell( )->page( `abap2UI5 - App Finder`
+     DATA(page) = z2ui5_cl_xml_view=>factory( )->shell( )->page(
+        navbuttonpress = client->_event( val = 'BACK' )
+        shownavbutton = xsdbool( client->get( )-s_draft-id_prev_app_stack IS NOT INITIAL )
+        title = `abap2UI5 - App Finder`
     )->content( ).
 
     page->icon_tab_header( selectedkey = client->_bind_edit( mv_selected_key )