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基于j2me平臺的gps導(dǎo)航系統(tǒng)畢業(yè)設(shè)計論文-wenkub

2023-01-31 10:47:15 本頁面
 

【正文】 .....................1 課題研究背景 ............................................................................................................................................1 手機(jī) GPS 導(dǎo)航發(fā)展現(xiàn)狀 ............................................................................................................................1 課題主要內(nèi)容和意義 ................................................................................................................................2第二章  相關(guān)技術(shù)概覽 ..................................................................................................................................4 基于位置的服務(wù) ........................................................................................................................................4 基于位置服務(wù)的應(yīng)用范圍 ................................................................................................................4 基于位置服務(wù)的定位方法 ................................................................................................................4 移動地理信息系統(tǒng) ....................................................................................................................................6 J2ME 簡介 ...................................................................................................................................................7 J2ME 架構(gòu) ..........................................................................................................................................7 JVM ( 虛擬機(jī) ) .................................................................................................................................8 MIDP( 移動信息設(shè)備簡表 ).............................................................................................................8 JSR179 開發(fā)包 ............................................................................................................................................9 GOOGLE API 簡介 .......................................................................................................................................10 路徑規(guī)劃的技術(shù)選擇 ..............................................................................................................................10 A 算法實現(xiàn)最短路徑搜索 ...............................................................................................................10 Google Directions API 提供服務(wù) ......................................................................................................11 路線規(guī)劃最終方法選擇 ..................................................................................................................12第三章  軟件需求分析 ................................................................................................................................13 用戶需求 ..................................................................................................................................................13 功能模塊劃分 ..........................................................................................................................................13 功能模塊圖 ......................................................................................................................................14 功能要求 ..........................................................................................................................................14第四章  詳細(xì)設(shè)計與開發(fā) ............................................................................................................................16 MIDLET 開發(fā)流程介紹 ..............................................................................................................................16 各功能模塊詳細(xì)設(shè)計 ..............................................................................................................................17IV 界面切換類 ......................................................................................................................................17 聯(lián)網(wǎng)地圖類 ......................................................................................................................................19 離線地圖類 ......................................................................................................................................24 各線程類 ..........................................................................................................................................26 實體類 ..............................................................................................................................................27 GoogleMaps 類(引用開源代碼) ......................................................................................................28 興趣點添加類 ..................................................................................................................................29 興趣點查詢、刪除、鎖定類 ..........................................................................................................30 指定地點范圍興趣點搜索類 ..........................................................................................................32 路線規(guī)劃具體的實現(xiàn) ......................................................................................................................34第五章  開發(fā)過程中問題及解決方案 .........................................................................................................40 存在問題及解決 ......................................................................................................................................40 Google 靜態(tài)地圖訪問限制 .............................................................................................................40 閃屏 ..................................................................................................................................................40 網(wǎng)絡(luò)延遲 ..........................................................................................................................................41 不同的屏幕尺寸問題 ......................................................................................................
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