PhoneGap, 第一个应用

移动开发有三条路,Native, HTML5 和 Hybrid,Native 可以把各种平台的特性充分发挥,HTML5 简单,可限制太多,混合型是个折中的办法。对于那些不很注重特效又需要访问部分本地资源的应用可采用 Hybrid 的方式,而其中的佼佼者就数 PhoneGap,又说 Cordova。它们是两个主,却又基本相似的东西,见 PhoneGap, Cordova, and what’s in a name?

我们既可以选择 PhoneGap,也可以选择 Cordova,安装使用起来基本类似,再往下的发展的就无定数了。鉴于 PhoneGap 依托于 Adobe 那么一个强大的后台,我还是选择试用下 PhoneGap,并且 Adobe 还为它提供了在线构建和源码托管。当然这是一家像 Oracle 那样商业气息比较浓的公司,使用在线构建免费用户只能建立一个应用。

现在看一个应用 PhoneGap 的例子,从安装开始,演示平台为 Mac, 其他平台都类似。PhoneGap 可由 NodeJS 来安装,所以首先要在 安装 NodeJS。然后执行下面的命令安装 phonegap: 阅读全文 >>

Using Network Link Conditioner in iOS 6


I previously covered using Network Link Conditioner to test how your app does in less-than-ideal network scenarios. One of the inconveniences of using it is in order to test your app on a device, you have to take the extra steps to configure a proxy on your computer that your device can connect to over a wi-fi connection. Well, not anymore. With iOS 6, Apple has given us Network Link Conditioner right on the device.

To get started with Network Link Conditioner, first your device must be set up as a developer device. If you haven’t done this yet, you’ll need to go to Xcode, open Organizer (Shift-Command-2), select your device, and click the button that says Use for Development to add the device your developer account. Once you’ve done that, you should be able to open Settings on your device and see a Developer menu near the bottom, just above the apps list. Tapping on that reveals some helpful settings, Network Link Conditioner Status obviously being the one relevant to our interests here. 阅读全文 >>