onCreateOptionsMenu(菜单菜单)之间和prepareOptionsMenu(菜单菜单)。
Difference between onCreateOptionsMenu(Menu menu) and onPrepareOptionsMenu(Menu menu).
onCreateOptionsMenu()
被调用一次。
在prepareOptionsMenu()
被称为菜单打开每一次。
onCreateOptionsMenu()
is called once.
onPrepareOptionsMenu()
is called every time the menu opens.
在onCreateOptionsMenu()文档:
这是只被调用一次,第一次显示选项菜单。为了每次显示时更新菜单,请参见on$p$ppareOptionsMenu(Menu).
This is only called once, the first time the options menu is displayed. To update the menu every time it is displayed, see onPrepareOptionsMenu(Menu)
.