android - How to do visible EditText Data on Activity change -

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hello friends having edit text in program , if writing thing on there , if clciking on other option move anothe activity , when coming same page data of edit text clearing dont want clear data if move on page can body tell me how ..i doing writing below code..

    if(presetquestion.value=="true")     {         string note1=note.gettext().tostring();          note.settext(note1);               }

but not woring thing not doing correctly ...

use onsaveinstancestate(bundle outstate) , onrestoreinstancestate(bundle outstate):

@override     public void onsaveinstancestate(bundle outstate)     {         edittext edttext=(edittext) findviewbyid(r.id.textone);          outstate.putstring("textone", edttext.tostring());     }     @override     public void onrestoreinstancestate(bundle outstate)     {          string strval=outstate.getstring("textone");         edittext bddb=(edittext) findviewbyid(r.id.textone);         bddb.settext("prvvalue");         ///outstate.putstring(""+idtext+"", bddb.tostring());     }

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