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关于AccessibilityService 先看看官网的介绍Accessibility Many Android users have different abilities that require them to interact with their Android devices in different ways. These include users who have visual, physical or age-related limitations that prevent them from fully seeing or using a touchscreen, and users with hearing loss who may not be able to perceive audible information and alerts... Android官网详解accessibility 上面大概的意思就是Accessibility是一个辅助服务，主要是面向一些使用Android手机的用户有相关障碍(年龄、视觉、听力、身体等)，这个功能可以更容