android应用案例开发大全(第3版)源程序4到8章

上传者: bay1394 | 上传时间: 2024-08-02 10:43:28 | 文件大小: 78.46MB | 文件类型: RAR
《Android应用案例开发大全(第3版)》的源程序涵盖了第4至第8章,这些章节的内容丰富多样,旨在帮助开发者深入理解Android应用程序的设计与实现。以下将逐一解析这五个章节涉及的主要知识点: 第04章:BN理财助手 在这一章中,主要讲解了如何构建一个实用的理财应用。开发者将学习到如何使用Android SDK来实现用户界面设计,包括各种UI组件的使用,如EditText、TextView、ListView等。同时,章节涵盖了数据存储技术,如SharedPreferences用于保存用户偏好设置,SQLite数据库用于长期存储用户交易记录。此外,还会涉及到金融计算逻辑,如计算投资回报率和利息等。 第05章:LBS交通软件——百纳公交小助手 本章重点在于地理位置服务和地图API的应用。开发者会学习如何集成Google Maps API,显示地图、定位用户位置、搜索兴趣点等。同时,章节还涵盖了LocationManager服务,用于获取GPS和网络定位数据,以及如何通过网络API获取公共交通信息,如公交线路查询和站点导航。 第06章:天气课程表 这一章节结合了天气查询和日程管理功能。开发者将学习如何使用第三方天气API获取实时及未来几天的天气预报数据,并将其展示在用户友好的界面中。同时,课程表功能涉及到时间管理和提醒,可能涉及AlarmManager和NotificationManager的使用,以及如何处理本地存储的课程数据。 第07章:手机新生小助手 此章关注的是为大学新生设计的应用,可能包含校园地图、课程表、活动通知等功能。开发者会接触到如何集成地图API,创建自定义地图标记,以及利用BroadcastReceiver接收系统广播,如闹钟和网络状态改变,以便及时更新应用信息。 第08章:餐饮行业移动管理系统——Pad点菜系统 最后一章涉及到了更复杂的业务逻辑,即餐厅点菜系统的实现。开发者将学习如何设计一个多用户交互的应用,实现菜品浏览、选择、下单和订单管理等功能。这可能涉及到网络通信,如使用RESTful API与后台服务器进行数据交换,以及使用RecyclerView展示菜单,实现动态加载和触摸事件处理。 通过以上五个章节的源代码学习,开发者可以系统地提升Android应用开发技能,掌握从基础的UI设计到复杂业务逻辑处理,再到数据存储和网络通信的全方位知识。同时,实际案例的实践将帮助开发者更好地理解和运用所学理论,提升解决问题的能力。

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