android - Set wallpaper from list<Bitmap> using FlipperView -

i have flipperview list , want set wallpaper use mywallpapermanager.setbitmap(bitmap), didn't understand how take exact picture load in flipperview last. working sample_0, didin't if try change .decoderesource using id. advance.

public boolean onoptionsitemselected(menuitem item) {      bitmap bitmap = bitmapfactory.decoderesource(getresources(), r.drawable.sample_0);     switch (item.getitemid()) {     case r.id.action_set_wal:     txtpages.settext("done");      try {         wallpapermanager mywallpapermanager  = wallpapermanager.getinstance(getapplicationcontext());          mywallpapermanager.setbitmap(bitmap);     } catch (ioexception e) {      }     return true; }     return false;  }