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基于Android和Google Maps的生活辅助系统的设计与实现 预览 被引量:23

Design and implementation of a life assistant system based on Android and Google Maps
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摘要 基于Android移动平台开发,整合Google Maps与传感器开发原理,通过可扩展标记语言(extensible markup language,XML)技术、分时系统思想和多类型传感器,设计出一款拥有当前坐标经纬度、周边商店情况查询、当前位置磁场重力感应、天气报告等功能的生活服务型软件。同时开发人员根据"切客"思想,创造性地研发出任何手机持有人都可以通过发送含有特定字符的短信获得该软件使用者当前的地理坐标,实现实时掌控、追踪功能。移动手持设备在层次式的对象级、线程级、主机级的思想指导下,基于Android OS提出了一种地理信息系统(geographic information system,GIS)解决方案,并考虑到全球定位系统(global positioning system,GPS)获取坐标精度和距离计算不准确和延迟等因素,在系统内同时使用移动基站定位来缩减使用误差以便更加精确地实时更新地理信息位置,最终完成GIS信息服务验证。 This system is based on Android mobile platform,by integrating Google Maps and the development of sensors,with the techniques of XML,time-sharing system as well as the multi-types sensors.We designed a software application by which customers can use it to get their locations measured by latitude and longitude coordinates,the status of surrounding shops,weather forecast,and the magnetic field induction and gravity sensation of the current location etc.In the meantime,based on the thought of "Checker",we creatively came up with the idea that any mobile phone owner could get the current geographic coordinates by sending short messages containing some particular characters in it to realize the function of track and real-time control of the customer.On the basis of the hierarchical structures of object level,thread level and the host level of mobile handheld device,and in consideration of the inaccuracy and the delay either in acquiring coordinates or computing the distance,we proposes a GIS system solution based on Android OS which works to pinpoint the location simultaneously by mobile base station so as to reduce errors in operation.This method helps to update the geographical location more accurately and finally finish the verification of GIS information service.
作者 徐光侠 封雷 涂演 李成 XU Guang-xia,FENG Lei,TU Yan,LI Cheng (1.College of Software,Chongqing University of Posts and Telecommunications,Chongqing 400065,P.R.China; 2.College of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,P.R.China)
出处 《重庆邮电大学学报:自然科学版》 北大核心 2012年第2期 242-247,共6页 Journal of Chongqing University of Posts and Telecommunications
基金 国家自然科学基金(60973160) 重庆市教委科学技术研究项目(KJ100506) 重庆邮电大学创新性实验计划项目
关键词 安卓(Android) 谷歌应用程序编程接口(Google API) 移动平台 传感器 Android google application programming interface(Google API) mobile platform sensor
作者简介 徐光侠(1974-),女,重庆人,副教授,博士,主要研究方向为分布式系统、移动计算终端技术、可信计算及系统。E—mail:xugx@cqupt.edu.cn。
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