无法在Samsung设备上打开菜单的Android问题

Question

Android Issue with menu's not opening on Samsung devices

1. Menu key pressed.
2. onPreparaeOptionsMenu called adding > 6 menu items.
3. Menu's "MORE" button is selected.
4. Any menu item is selected.
5. Menu key pressed.
6. onPrepareOptionsMenu called removing all items and adding < 6 menu items.
7. Menu is NOT displayed.

8. Pressing menu key no longer calls onPrepareOptionsMenu.

    public boolean onPrepareOptionsMenu(Menu menu) { super.onPrepareOptionsMenu(menu); menu.clear(); if (isLess) { menu.add(0, 0, 0, "Menu 0"); menu.add(0, 1, 0, "Menu 1"); menu.add(0, 2, 0, "Menu 2"); menu.add(0, 3, 0, "Menu 3"); menu.add(0, 4, 0, "Menu 4"); } else { menu.add(0, 0, 0, "Menu 0"); menu.add(0, 1, 0, "Menu 1"); menu.add(0, 2, 0, "Menu 2"); menu.add(0, 3, 0, "Menu 3"); menu.add(0, 4, 0, "Menu 4"); menu.add(0, 5, 0, "Menu 5"); menu.add(0, 6, 0, "Menu 6"); menu.add(0, 7, 0, "Menu 7"); } } 

Answer 1

Menu options not working on Android

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  if ( keyCode == KeyEvent.KEYCODE_MENU ) {
     openOptionsMenu();
     return true;
   }
   return super.onKeyDown(keyCode, event);
}