update

src/01/z2ui5_cl_cc_sample_favicon.clas.abap

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+CLASS z2ui5_cl_cc_sample_favicon DEFINITION PUBLIC.
+
+  PUBLIC SECTION.
+
+    INTERFACES z2ui5_if_app.
+
+    DATA favicon  TYPE string.
+    DATA check_initialized TYPE abap_bool.
+
+  PROTECTED SECTION.
+    data client type ref to z2ui5_if_client.
+    METHODS display_view.
+  PRIVATE SECTION.
+ENDCLASS.
+
+
+
+CLASS Z2UI5_CL_CC_SAMPLE_FAVICON IMPLEMENTATION.
+
+
+  METHOD display_view.
+
+    DATA(view) = z2ui5_cl_xml_view=>factory( ).
+
+    DATA(tmp) = view->_z2ui5( )->favicon( favicon = client->_bind_edit( favicon )
+         )->shell(
+         )->page(
+                 title          = 'abap2UI5 - Change Tab Favicon'
+                 navbuttonpress = client->_event( val = 'BACK' )
+                 shownavbutton = xsdbool( client->get( )-s_draft-id_prev_app_stack IS NOT INITIAL )
+             )->simple_form( title = 'Form Title' editable = abap_true
+                 )->content( 'form'
+                     )->label( 'favicon'
+                     )->input( client->_bind_edit( favicon )
+                   ).
+
+    client->view_display( tmp->stringify( ) ).
+
+  ENDMETHOD.
+
+
+  METHOD z2ui5_if_app~main.
+
+    me->client = client.
+
+    IF check_initialized = abap_false.
+      check_initialized = abap_true.
+      favicon = `https://cdn.jsdelivr.net/gh/abap2UI5/abap2UI5/resources/abap2ui5.png`.
+
+      display_view( ).
+
+    ENDIF.
+
+    CASE client->get( )-event.
+
+      WHEN 'SET_VIEW'.
+         display_view( ).
+
+      WHEN 'BACK'.
+        client->nav_app_leave( client->get_app( client->get( )-s_draft-id_prev_app_stack  ) ).
+
+    ENDCASE.
+
+  ENDMETHOD.
+ENDCLASS.

src/01/z2ui5_cl_cc_sample_favicon.clas.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<abapGit version="v1.0.0" serializer="LCL_OBJECT_CLAS" serializer_version="v1.0.0">
+ <asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0">
+  <asx:values>
+   <VSEOCLASS>
+    <CLSNAME>Z2UI5_CL_CC_SAMPLE_FAVICON</CLSNAME>
+    <LANGU>E</LANGU>
+    <DESCRIPT>basic - favicon</DESCRIPT>
+    <STATE>1</STATE>
+    <CLSCCINCL>X</CLSCCINCL>
+    <FIXPT>X</FIXPT>
+    <UNICODE>X</UNICODE>
+   </VSEOCLASS>
+  </asx:values>
+ </asx:abap>
+</abapGit>