Android - Problemas new Handler().post()

protected void setMenuBackground(){

        // Log.d(TAG, "Enterting setMenuBackGround");

        getLayoutInflater().setFactory( new Editable.Factory() {

            public View onCreateView(String name, Context context, AttributeSet attrs) {

                if ( name.equalsIgnoreCase( "com.android.internal.view.menu.IconMenuItemView" ) ) {

                    try { // Ask our inflater to create the view

                        LayoutInflater f = getLayoutInflater();

                        final View view = f.createView( name, null, attrs );

                        /* The background gets refreshed each time a new item is added the options menu.

                        * So each time Android applies the default background we need to set our own

                        * background. This is done using a thread giving the background change as runnable

                        * object */

                       new Handler().post( new Runnable() {

                            public void run () {

                                // sets the background color

                                view.setBackgroundColor(Color.parseColor("#6296be"));

                                // sets the text color

                                ((TextView) view).setTextColor(Color.WHITE);

                                // sets the text size

                                ((TextView) view).setTextSize(18);

                            }

                        } );

                        return view;

                    }

                    catch ( InflateException e ) {}

                    catch ( ClassNotFoundException e ) {}

                }

                return null;

            }});

    }

new Handler().post(...