android - simulate onOptionsItemSelected inside method call -

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i have imageview inside xml layout. imageview has onclick method.

android:onclick="onhomeclicked"

when user clicks image, want in turn call onoptionsitemselected inside activity. how that?

the following code gives null homemenuitem:

menuitem homemenuitem;  @override public boolean onprepareoptionsmenu(menu menu) {     homemenuitem = menu.finditem(android.r.id.home);     super.onprepareoptionsmenu(menu);     return true; }  public void onhomeclicked(view view) {     onoptionsitemselected(homemenuitem); }

possible have declare method , call onoptionsitemselected , onhomeclicked

    onoptionsitemselected(menuitem item){         switch(item.getitemid()) {         case r.id.btn:            younewmethod();         break;         }     }      public void onhomeclicked() {         younewmethod();     }      private void younewmethod(){         // write code here     }

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