深入学习HTML5 Geolocation地理定位视频教程

语言：英语
网址：http://www.lynda.com/HTML-tutorials/HTML5-Geolocation-in-Depth/84810-2.html
类别：教程

（xuehui@TLF）
Lynda.com 出品的时长34分的深入学习HTML5 Geolocation地理定位视频教程。由Bill Weinman演示了利用JavaScript，CSS和HTML5如何添加地理位置追踪到Web应用程序里。Bill对geolocation API作了详细的讲解，包括每个开发人员都应该考虑到的数据可靠性，能耗和隐私问题等需考虑的因素。搜索设备坐标(不管是一次或连续)，处理错误，结合Google Maps数据创建一个location-aware位置感知Web应用程序可以运行在许多移动浏览器上。本教程附带练习文件。

HTML5: Geolocation in Depth shows how to add location tracking to a web application with a combination of JavaScript, CSS and HTML5. First, author and HTML5 expert Bill Weinman provides a thorough explanation of the geolocation API, including considerations every developer should take into account, such as data dependability, power usage, and privacy concerns. The course then covers how to detect support for geolocation, retrieve coordinates from a device (whether once or continuously), handle errors, and integrate the results with Google Maps to create a location-aware web application that will run on many mobile browsers. Exercise files are included with the course.

Topics include:
Understanding how geolocation works
Detecting geolocation support
Getting coordinates
Continuous tracking with watchPosition()
Integrating geolocation with Google Maps

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