andorid-实现动态选项菜单
publicic通过重载 boolean onPrepareOptionsMenu(Menu menu) {}来实现。
@Overridepublic boolean onCreateOptionsMenu(Menu menu) {return super.onCreateOptionsMenu(menu);}@Overridepublic boolean onPrepareOptionsMenu(Menu menu) {menu.clear();menu.add(...);///在这里添加所需菜单return super.onPrepareOptionsMenu(menu);}
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