Location-based Services System Design And Prototype Implementation Under The Environment Of The Mobile Internet

With the continuous development of mobile Internet technology, smartphone application market is becoming hotter and hottert, the demand for location services become more heavily,thus brings location-based services of mobile application market broad prospects for development.Baidu map API are free open to outside, has brought the great convenience for location services such as mobile application development.This design mainly is through the of a mobile phone positioning the position of another mobile phone, and apply it to the school bus positioning, provide convenience for the general teaching and administrative staff.This design is based on the Android system,that the largest proportion of the smartphone operating system on the market at present.Through the study of Android software development techniques and the knowledge about Baidu map API,and the relevant technologies of server-building.Client software based on Android platform development,using the Android SDK Baidu map positioning function, using the Apache server, PHP,MySQL database to build server.Based on the HTTP protocol,the bus driver phone sent their longitude and latitude information real-time,and transform into JSON transmission format,uploaded to the server at same time.The passengers by installing the mobile client of this system, after registered account and login in, can be obtained the location data of positoned from the server, and display it on the baidu map at the same time,show the current position of own position and the bus journey.This design without extra complex equipment,only use the usual Android smartphone, and PC, using very low maintenance costs and development costs.Positioning method is simple, in addition,this system not only can be use for the school bus positioning, but also can used for other purposes.