Splash Screen in ABAP ABAP Interview Questions

I created 2 MODAL screens 0806 & 2009
0806 was for start of job spash & 20009 was an exit SPLASH
Used this effectively in a lrge DOI Excel download program..

2 JPG files with a nice Indian Welcome & fancy Bengali Text!
Each Modal scren had 2 Containers
CUSTOM_1 shaped for Picture control
CUSTOM_2 for CL_GUI_TIMER control

* Create 2 MODAL screens 0806 and 2009
* 1 CUSTOM_1 shaped to hold JPG
* and 1 CUSTOM_2 to hold TIMER


REPORT zpp_r012 LINE-SIZE  160
             LINE-COUNT 72
             MESSAGE-ID zpp01.

DATA: container1 TYPE REF TO cl_gui_custom_container,
   container2 TYPE REF TO cl_gui_custom_container,
   picture TYPE REF TO cl_gui_picture.

DATA: graphic_url(255),
   g_result   TYPE i,
   g_linesz   TYPE i,
   g_filesz   TYPE i,
   g_name(100).

TYPES: t_graphic_line(256) TYPE x.

DATA: graphic_line TYPE t_graphic_line,
   graphic_table TYPE TABLE OF t_graphic_line.


*---------------------------------------------------------------------*
*       CLASS lcl_event_handler DEFINITION
*---------------------------------------------------------------------*
CLASS lcl_event_handler DEFINITION.

PUBLIC SECTION.
 CLASS-METHODS: on_finished FOR EVENT finished OF cl_gui_timer.
ENDCLASS. "lcl_event_handler DEFINITION

*---------------------------------------------------------------------*
*       CLASS lcl_event_handler IMPLEMENTATION
*---------------------------------------------------------------------*
CLASS lcl_event_handler IMPLEMENTATION.
METHOD on_finished.
 IF sy-dynnr = 2009.
   LEAVE PROGRAM.
 ELSE.
   PERFORM f_excel_job.
 ENDIF.
ENDMETHOD. "on_finished
ENDCLASS. "lcl_event_handler IMPLEMENTATION

DATA timer TYPE REF TO cl_gui_timer.
DATA event_handler TYPE REF TO lcl_event_handler.
DATA timeout TYPE i VALUE '3'.

*&---------------------------------------------------------------------*
*                      SELECTION-SCREEN DESIGN                     
*
*&---------------------------------------------------------------------*
SELECTION-SCREEN: BEGIN OF BLOCK b2sels WITH FRAME TITLE text-002.
PARAMETERS: pwerks  LIKE     mseg-werks OBLIGATORY,  "THIS Plant
         pbudat  LIKE     mkpf-budat OBLIGATORY.  "THIS Date
SELECTION-SCREEN: END OF BLOCK b2sels.

*&---------------------------------------------------------------------*
*                       INITIALIZATION EVENT                       
*
*&---------------------------------------------------------------------*
INITIALIZATION.

*&---------------------------------------------------------------------*
*                     AT SELECTION-SCREEN EVENT                    
*
*&---------------------------------------------------------------------*
**Use this EVENT to validate SELECTION-SCREEN
AT SELECTION-SCREEN.


*&---------------------------------------------------------------------*
*                      START-OF-SELECTION EVENT                    
*
*&---------------------------------------------------------------------*
START-OF-SELECTION.

CALL SCREEN 0806 STARTING AT 30 4.

*&---------------------------------------------------------------------*
*&      Form  f_excel_job
*&---------------------------------------------------------------------*
FORM f_excel_job.

* LOTS of Code

CALL SCREEN 2009 STARTING AT 30 4.

ENDFORM.                    "f_excel_job

** LOTS of CODE

*&---------------------------------------------------------------------*
*&      Form  getpicurl
*&---------------------------------------------------------------------*
FORM getpicurl.

OPEN DATASET g_name FOR INPUT IN BINARY MODE.

REFRESH graphic_table.
CLEAR   g_filesz.

DO.
 CLEAR graphic_line.
 READ DATASET g_name INTO graphic_line ACTUAL LENGTH g_linesz.

 ADD g_linesz TO g_filesz.

 APPEND graphic_line TO graphic_table.
 IF sy-subrc <> 0.
   EXIT.
 ENDIF.

ENDDO.

CLOSE DATASET g_name.

CLEAR graphic_url.

CALL FUNCTION 'DP_CREATE_URL'
 EXPORTING
   type                 = 'IMAGE'
   subtype              = 'GIF'
 TABLES
   data                 = graphic_table
 CHANGING
   url                  = graphic_url
 EXCEPTIONS
   dp_invalid_parameter = 1
   dp_error_put_table   = 2
   dp_error_general     = 3
   OTHERS               = 4.


IF sy-subrc <> 0.
 MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
         WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
 EXIT.
ENDIF.


IF graphic_url IS NOT INITIAL.

 CALL METHOD picture->clear_picture
   EXCEPTIONS
     error = 1.

 CALL METHOD picture->load_picture_from_url
   EXPORTING
     url    = graphic_url
   IMPORTING
     RESULT = g_result.

 CALL METHOD picture->set_display_mode
   EXPORTING
     display_mode = picture->display_mode_normal_center
   EXCEPTIONS
     error        = 1.

 CALL METHOD cl_gui_cfw=>update_view.
ENDIF.

ENDFORM.                    "getpicurl

*---------------------------------------------------------------------*
*  MODULE zjncpbo OUTPUT screen 0806
*---------------------------------------------------------------------*
MODULE zjncpbo OUTPUT.

MOVE 'NAMASTE.JPG' TO g_name.

CREATE OBJECT: container1 EXPORTING container_name = 'CUSTOM_1',
              container2 EXPORTING container_name = 'CUSTOM_2',
              picture    EXPORTING parent = container1,
              timer      EXPORTING parent = container2.

SET HANDLER lcl_event_handler=>on_finished FOR timer.

* Start Timer
timer->interval = timeout.
CALL METHOD timer->run.

PERFORM getpicurl.

CALL METHOD cl_gui_cfw=>flush.

ENDMODULE.                             " PBO

*---------------------------------------------------------------------*
*  MODULE zjncpbo2 OUTPUT screen 2009
*---------------------------------------------------------------------*
MODULE zjncpbo2 OUTPUT.

MOVE 'THANKS.JPG' TO g_name.

CREATE OBJECT: container1 EXPORTING container_name = 'CUSTOM_1',
              container2 EXPORTING container_name = 'CUSTOM_2',
              picture    EXPORTING parent = container1,
              timer      EXPORTING parent = container2.

SET HANDLER lcl_event_handler=>on_finished FOR timer.

* Start Timer
timer->interval = timeout.
CALL METHOD timer->run.

PERFORM getpicurl.

CALL METHOD cl_gui_cfw=>flush.

ENDMODULE.                             " PBO