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目录
英文原文
A Proposed Android Based Mobile Application to Monitor Works at Remote Sites（节选）
Abstract：
In recent years the Android Technology with web services has brought many drastic changes in the mobile application development field. Keeping this in mind, an Android based mobile application to access the remote database has been developed. This application provides a generalized solution to monitor the various works that are carried out by a construction company at different geological points. By using a Web Service the data are stored in the remote database. This mobile application requires General Packet Radio Service (GPRS) or Wi-Fi technology to reach the remote database. Using data in the remote database various reports are generated and projected as a MIS [Management Information System] web application. Thus the construction company can use the MIS to monitor the works carried out at various sites.
Keywords: Android, GPRS, MIS, Web Service, Wi-Fi
2.Technology Overview
In recen This section elaborates how the Web Service is accessed by the android application to reach the remote database server. Web Services are platform independent and language independent since they use standard XML languages. Moreover, majority of the web services use Hypertext Transport Protocol (HTTP) for transmitting the messages [1]。
The most interesting features of a web service is that they are self describing. This means that once a web service is located we can ask it to describe itself and tell what operations it supports and how to invoke it. This is handled by the Web Service Description Language (WSDL). A web service invocation involves sending of messages between a client and a server [2]. For example, SOAP (Simple Object Access Protocol) specifies the format in which the requests are sent to the server and how the server should format the responses. The data from the android application has been sent as HTTP request to the Web service. To perform this, the android mobile device needs the GPRS or Wi-Fi connectivity.
Thus using the Web service the data reaches the remote database server.
3.Propsed System
Thus using the Web service the data reaches the remote database server.Proposed system aims at developing an Android based mobile application that monitors the expenditures made and works performed by the various sites of the Construction Company. The expenditures and construction work made on various sites are recorded and it can be viewed at any point of time. Using the Android based mobile application the day to day activities of the remote construction site can easily be updated to the remote database server [3]. Initially the site supervisor using his login credentials, has to login in the mobile application loaded in his device? After which he has to upload the day to day activities along with the photographs of the works performed.
Using a Web Service the data in the mobile device can be updated in the remote database. Thus the data in the remote database can be projected as MIS [Management Information System] Web Application. Thus the works carried out at different geological points can easily be monitored using this system. The proposed system consists of the following advantages, Time Saving, Secured Environment, Will prevent any possible corruption, and Work efficiency.
4.System Architecture
System Architecture alludes to the “the overall structure of the software” and the ways in which that structure provides conceptual integrity for a system. In its simplest form, architecture is the hierarchical structure of program components, the manner in which these components interact and the structure of data that are used by the components. One of the goals of system design is to derive an architectural rendering of a system. This rendering serves as a framework from which more detailed design activities are conducted.
The Overall System Architecture defines, how the data from the Android mobile application reaches the remote database server, and how the data it is reflected in MIS (Management Information System) as a Web Application.
5.Technical Requirements
Software requirements of our sys
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