If you're using the android emulator you have to change localhost in 10.0.2.2 and, of course, you have to add the port if it is different from the default: 80.

这里。

如果您使用的是 Genymotion （比Android模拟器更好）的IP地址将是： 10.0.3.2 +端口NUM

If you're using Genymotion (much better than the android emulator) the ip address is going to be: 10.0.3.2 + the port num.

样品

Android模拟器： http://10.0.2.2:6050/api/的checkStatus Genymotion ： http://10.0.3.2:6050/api/checkstatus

如果您需要调试的相关信息用于Android模拟器从命令行运行以下命令：

If you want to have debug infos for the android emulator run this from the command line:

adb -s emulator-5554 logcat

如果你运行你的Web服务器中的 IIS防爆preSS 那么你的请求无法到达主机。 这里有几个选项。我最喜欢的解决方案是使用 iisex preSS代理。 您可以安装它作为一个NPM包：

If you're running you web server in IIS Express chances are your request cannot reach the host. There are a few options here. My favourite solution is to use iisexpress-proxy. You can install it as an npm package:

npm install -g iisexpress-proxy

和运行它指定代理端口：

and run it specifying the proxy port:

iisexpress-proxy 6050 to 3000

现在你可以改变你的端口，您的仿真器：

Now you can change your port for your emulators:

Android模拟器： http://10.0.2.2:3000/api/的checkStatus Genymotion ： http://10.0.3.2:3000/api/checkstatus

也许是最好的解决方法是使用一个真正的Andr​​oid设备，并与镀铬调试您的应用程序进行检查。

Probably the best solution is to use a real android device and debug your app with chrome inspect.

您必须：

在列表中你可以打F12，看看你的设备显示什么样的错误你获得在浏览器控制台，中

Once your device show in the list you can hit F12 and see what kind of errors your getting in the browser console.

您甚至可以使用端口转发请求转发到内部服务器;基本上，你可以通过你要定义一个虚拟端口在笔记本电脑上访问您的托管服务。

You can even use the port forwarding forward request to an internal server; basically you can access your hosted services on your laptop through a virtual port you're going to define.