With the advent of the era of mobile Internet,smart phones gradually enter people’s lives,and the demand of mobile phone to stock trading is increased.Because the stock exchange is quick,convenient and real-time,it is received the world and regional people’s needs.The most advantage of the software which is the Phone APP of stock trading is so convenient that you can read the tape and operate the stock at anytime and anywhere.As there were so many unpredictable fluctuations on the Stock Exchange,at present 4G and WIFI of the mobile phone has already completely satisfied the real-time transactions,and the queries of the stock market,the trend of individual stocks,the quotation and the K graph.What’s more,it is much more convenient for the people who travel on business.It is not necessary to carry the heavy computer to operate.You can query the market and the trend of individual stocks whenever and wherever.Moreover,it is a good approach to kill the time that some office workers can watch the quotations and consult the information that the software provides during the boring meeting.In the essay,the designed mobile phone APP of stock exchange not only supports the function to open an account by one key,but also supports to open new account and transfer the account between Shanghai and Shenzhen stock.It is also supported the social function,which is convenient for the communication and exchanges among the uses.There is no longer to trade the stock individually.People can recommend the stock to each other,and have a look at other people’s optional stock.It is so helpful for the users to choose the better choice.Transaction modules are provided by the broker,and all the processes are under the control of the broker.All data is encrypted by brokers professionally and reliably transmitted,to make sure that it is safe for the user’s account information,transaction and capital.For this,this article will mainly focus on the research of the technology and the design of the stock exchangeb system.The main research contents include:(1)It is adopted EventBus to solve the data interaction between Activity and Fragment of the stock exchange system,as well as the implementation.For the data interaction among Activity,it is solved by Intent and Handler to assist the interaction and communication between applications,to make up for the deficiency of EventBus.(2)It is adopted Retrfit framework to build stock trading system of the network data transmission,as well as to optimize and improve Retrfit,to guarantee the reliability and stability of the network data transmission,and its utilize in system to verify the improved effect and purpose.(3)It is illustrated in detail about requirements analysis,design goals,hardware and software environment,the design of the APP overall framework,the key technology,database design and the APP function design.(4)It is illustrated in detail about the specific implementation process of the various functional modules of the phone APP stock trading software,and the key technology of each function module as well as realization process. |