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HCI - Communicator deklaracija i pozivanje

Aug 31st, 2016
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C++ 1.20 KB | None | 0 0
  1. ---------------------------------------
  2.     Komunikator java
  3. ---------------------------------------
  4. public interface Communicator {
  5.     public void respond(String data);
  6.     public void postaviTekst(String tekst);
  7. }
  8. ---------------------------------------
  9.  
  10. u main activity dodati metode koje su napisaen u komunikatoru
  11. ------------------------------------------------------------------------------
  12. @Override
  13.     public void respond(String data) {
  14.  
  15. }
  16. ---------------------------------------
  17.     @Override
  18.     public void postaviTekst(String tekst) {
  19.         Toast.makeText(this, "main respond: " + tekst,
  20.                 Toast.LENGTH_LONG).show();
  21.  
  22.         FragmentA a = (FragmentA) manager.findFragmentByTag("A");
  23.         if (a!=null){
  24.             a.promjeniText(tekst);
  25.         }
  26.     }
  27. ------------------------------------------------------------------------------
  28.  
  29.     kako pozvati metodu iz fragmenta
  30.  
  31.  i onda u metodi radis sta hoces npr uzmes fragment novi i  a.metodaUFragmentu(tekst);
  32. ------------------------------------------------------------------------------
  33.  comm.postaviTekst("test tekst");
  34.  
  35. ------------------------------------------------------------------------------
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