val popupMenu: PopupMenu PopupMenu(requireContext(), it)popupMenu.menu.add("测试Menu1")popupMenu.menu.add("测试Menu1")//反射获取Popupval mPopupMenu: Field popupMenu.javaClass.getDeclaredField("mPopup")mPopupMenu.isAccessible…
菜单之前是用户点击系统的菜单键才展示出来的,后来这个键渐渐被移除,菜单变成了点击任意的view都可以展示。菜单非为3种: 1.Options menu and action bar 选项菜单和操作栏 2.Context menu and contextual action mode 上下文菜单和上下文动…