【正文】 畢業(yè) 論文 基于 Android 的二手交易軟件開(kāi)發(fā) 院 別 經(jīng)貿(mào)學(xué)院 專業(yè)名稱 電子商務(wù) 班級(jí)學(xué)號(hào) 3111003 學(xué)生姓名 王維真 指導(dǎo)教師 劉冰玉 2020 年 月 日 東北大學(xué)秦皇島分校學(xué)年論文 第 1 頁(yè) 基于 Android 的二手交易軟件開(kāi)發(fā) 摘 要 傳統(tǒng)的二手商品交易市場(chǎng) 存在著諸多問(wèn)題。在交易過(guò)程中存在著不公平交易，很多存在很大瑕疵的商品也被當(dāng)做優(yōu)質(zhì)商品與客戶進(jìn)行交易，交易完成后，客戶在后期使用過(guò)程中發(fā)生的問(wèn)題是沒(méi)有人承擔(dān)后果的。這也使得很多客戶不敢購(gòu)買(mǎi)二手商品從而導(dǎo)致優(yōu)質(zhì)二手商品資源的囤積與浪費(fèi)。其次就是在傳統(tǒng)的二手商品交易市場(chǎng)中，二手商品的信息只能在同城、同鄉(xiāng)的小地域內(nèi)進(jìn)行傳播與獲取。賣(mài)家手里的二手商品不會(huì)很容易轉(zhuǎn)手甚至是賣(mài)不出去，而欲購(gòu)買(mǎi)某種商品的人由于信息來(lái)源的缺乏很難找到合適的二手商品進(jìn)行購(gòu)買(mǎi)。對(duì)交易有著極大的阻礙。 又 隨著電子商務(wù)與移動(dòng)通訊的逐漸發(fā)展壯大，二手交易 在互聯(lián)網(wǎng)上能有更好的發(fā)揮空間。比起傳統(tǒng)的二手交易，網(wǎng)上二手交易相比傳統(tǒng)經(jīng)營(yíng)模式更加便捷，且實(shí)時(shí)性強(qiáng)，信息資源豐富，更能得到買(mǎi)賣(mài)雙方的信賴。將移動(dòng)通訊與網(wǎng)上二手交易有機(jī)結(jié)合的新型二手交易模式將成為新型的二手交易手段。 本文 將網(wǎng)上二手商品交易的便捷性、高時(shí)效性、信息資源豐富的特點(diǎn)與移動(dòng)端高性價(jià)比與便攜式的優(yōu)點(diǎn)相結(jié)合。旨在設(shè)計(jì)出切合當(dāng)今電子商務(wù)模式特點(diǎn)的軟件。提高傳統(tǒng)二手交易活動(dòng)的效益與效率。增加買(mǎi)賣(mài)雙方的信任程度，通過(guò)對(duì)二手交易與網(wǎng)上購(gòu)物流程的分析制定符合該軟件需求的功能，并通過(guò)開(kāi)發(fā)工具將功能于 Android平 臺(tái)上實(shí)現(xiàn) 。 關(guān)鍵詞 ： Android， 二手交易 ， 移動(dòng)端，電子商務(wù) 。 東北大學(xué)秦皇島分校學(xué)年論文 第 2 頁(yè) ABSTRACT there are many problems in traditional Secondary transactions market. In the transaction process exists many even bargain, there exists great defective merchandise can also be seen as highquality products and customer transactions, after the pletion of the transaction, the customer occurred late in the process in the use of the problem is that no one to bear the consequences. It also makes many customers did not dare to buy secondhand goods which led to hoarding and waste of resources of quality secondhand goods. The second is in the traditional Secondary transactions market, information secondhand goods only in the same city, hometown of the small region of dissemination and access. The seller hands secondhand goods will not be easy to transfer even sells do not go out, but to buy a modity people due to the lack of sources of information it is difficult to find suitable secondhand goods to buy. There is a big obstacle to trade. With the growing development of emerce and mobile munications, secondhand transactions can have a better space to play on the inter. Compared to traditional secondhand trading, online secondary trading pared with the traditional business model is more convenient, and good realtime performance, rich information resources, more buyers and sellers trust. The mobile munication and Inter new secondhand transaction mode of the anic bination of secondhand transactions will bee secondary means of transaction model. In this paper, the online Secondary transactions convenience and high efficiency, rich information resources characteristics and high performance price ratio and portable mobile terminal with the bination of the advantages of. To design a suit of today39。s electronic merce pattern characteristic software. To improve the effectiveness and efficiency of the traditional secondary trading activity. To increase the sale of trust between the two sides, through the analysis of the secondary transactions with online shopping process developed in accordance with the needs of the software function, and will feature on the Android platform realized by development tools. Key words： Android， Secondary transactions， Mobile terminal， Electronic merce 東北大學(xué)秦皇島分校學(xué)年論文 第 3 頁(yè) 目 錄 目錄 1 緒論 ............................................................................................................................ 5 研究背景和研究意義 ........................................... 5 研究背景 ............................................... 5 研究現(xiàn)狀 ............................................... 5 本文結(jié)構(gòu) ............................................... 6 2 ANDROID 技術(shù)與理論 ............................................................................................. 7 ANDROID 應(yīng)用開(kāi)發(fā)簡(jiǎn)介 .......................................... 7 Android 技術(shù)簡(jiǎn)介 ........................................ 8 Android 關(guān)鍵性應(yīng)用 ...................................... 9 程序框架 ............................................... 9 函數(shù)庫(kù) ................................................ 10 內(nèi)核 .................................................. 11 ANDROID平臺(tái)的優(yōu)勢(shì) ........................................... 12 ANDROID應(yīng)用層次 ............................................. 12 Activity ................................................ 12 Services................................................ 14 Content Provider......................................... 16 Broadcast Receiver ....................................... 16 Intent .................................................. 17 3 需求分析與設(shè)計(jì) ...................................................................................................... 18 需求分析 .................................................... 18 功能性需求分析 ........................................ 18 性能性需求分析 ........................................ 18 數(shù)據(jù)庫(kù)需求分析 ........................................ 19 模塊結(jié)構(gòu) .................................................... 20 客戶端結(jié)構(gòu) ............................................ 20 服務(wù)器端結(jié)構(gòu) .......................................... 24 系統(tǒng)流程 .................................................... 24 系統(tǒng)框架 .................................................... 26 4 ANDROID 二手交易軟件的實(shí)現(xiàn) ......................................................................... 28 開(kāi)發(fā)環(huán)境的構(gòu)建 .............................................. 28 詳細(xì)設(shè)計(jì)與實(shí)現(xiàn) .............................................. 36 前臺(tái)實(shí)現(xiàn) ............................................. 36 后臺(tái)實(shí)現(xiàn) ............................................. 37 系統(tǒng)實(shí)現(xiàn) .................................................... 37 東北大學(xué)秦皇島分校學(xué)年論文 第 4 頁(yè) 用戶首頁(yè)的實(shí)現(xiàn) 過(guò)程 ..................................... 37 用戶注冊(cè)的實(shí)現(xiàn)過(guò)程 ..................................... 38 用戶登錄的實(shí)現(xiàn)過(guò)程 ..................................... 38 用戶搜索