Menus

Android : Menus Part 3: Alternative Menus

落爺英雄遲暮 提交于 2019-12-15 16:33:31
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> Android offers a third type of menus: Alternative menus which allow multiple applications to use each other. An application menu can contain menu items that point to other applications that deal with a certain data type that is passed from the application by an intent. This functionality is related to the concept of Content Providers which is in brief the ability of an application to expose its data (stored in a database or a file) by defining a MIME type to it and through a content URI to be accessed by any other application through this URI. For example if