In order to Create dynamic ABAP Web Dynpro screen within your SAP application, first simply create a new Web dynpo application. Then add the below ABAP code into the WDDOMODIFYVIEW method of your main view.
method WDDOMODIFYVIEW .
data : lr_textview type ref to cl_wd_text_view.
Data: lr_uicontainer type ref to cl_wd_uielement_container,
lr_rowhead type ref to cl_wd_row_head_data,
lr_button type ref to cl_wd_button,
lr_inputfield type ref to cl_wd_input_field,
lr_flowdata type ref to cl_wd_flow_data,
ld_childid type string.
*if first_time = 'X'. "Uncomment when parameter created in method
lr_button = cl_wd_button=>new_button( view = view
text = 'My Button'
on_action = 'PRESSBUTTON' ).
lr_rowhead = cl_wd_row_head_data=>new_row_head_data( element = lr_button ).
lr_button->set_layout_data( lr_rowhead ).
lr_button->set_tooltip( value = 'Tooltip' ).
lr_flowdata = cl_wd_flow_data=>new_flow_data( element = lr_button ).
lr_uicontainer ?= view->get_element( 'ROOTUIELEMENTCONTAINER' ).
lr_uicontainer->add_child( lr_button ).
lr_textview = cl_wd_text_view=>new_text_view( view = view
text = 'Create Dynamic UI Elements' ).
lr_rowhead = cl_wd_row_head_data=>new_row_head_data( element = lr_textview ).
lr_textview->set_layout_data( lr_rowhead ).
lr_flowdata = cl_wd_flow_data=>new_flow_data( element = lr_textview ).
lr_uicontainer ?= view->get_element( 'ROOTUIELEMENTCONTAINER' ).
lr_uicontainer->add_child( lr_textview ).
*endif.
endmethod.
