| With the rapid development of information technology,mobile communication technology update quickly.Especially with the trend of intelligence and miniaturization of the mobile terminal,the interconnection of mobile communication becomes more convenient,and the mobile intelligent terminal becomes more and more powerful.The application of mobile communication varies.Trunked communication is a special mobile communication system for commanding and dispatching,and in the system,the user can communicate one to one,or one to many.The powerful performance and the popularity of intelligent terminals provides an opportunity in the development and application of handheld terminal for trunked communication system.The practical application includes the most common function such as We Chat voice and video chat.The application mode of Android-based system on the combination and trunked communication system makes a good foundation for the application of command and dispatching.From the application point of view,this thesis provides detailed requirement analysis for the trunked command and dispatch system,introduces the functions and performances of the system,finishes the design and implement of the system,and designs the important interface and working flow of the system in detail.The completion of the system of trunked command and dispatch based on Android intelligent terminal makes the foundation for the intellectualized development of the application of the system,and promotes the popular application of the system.This thesis has mainly completed the following researching tasks:1.Architecture and design of the system.This thesis provides application requirement analysis for the system.With the functions and performances of the system,it builds up the system framework and software architecture.It also designs communication safeguard mechanisms of each module.2.Design of the system in detail.From the business application point of view,this thesis designs the application system and service supporting system in detail,analyzes and design the interface and working flow of the system.Working flow decides the way of realization of every function module.This thesis detailedly describes the function module initiator of interaction,the way to send a request service,the target to send,the transmitting mode to echo,the transmitting target to echo and the way to finish the design.3.The implement and testing of the system.This thesis describes the technical realization mode of some modules of the system,and the realization mode of the foreground software system and the background software system.Finally the system verification platform is structured with the deployment diagram,and the design and implement of Android-Based trunked command and dispatch system is verified successfully. |