安卓：检查连接到服务器 [英] Android: Check connection to server

问题描述

所以我有检查，如果该设备基于这一个连接到互联网的方法

So I have a method that checks if the device is connected to the internet based on this one

它的工作原理确定，但在几个案例我发现，虽然手机显示正在连接到互联网，它仍然无法访问我的服务器。什么我真的希望去做检查连接到我的具体URL。

It works ok, but in a couple of cases I find that although the phone shows being connected to the internet, it still does not have access to my server. What I am really looking to do it check connection to my specific URL.

我怎么能实现呢？

推荐答案

您可以这样做：

public boolean isConnectedToServer(String url, int timeout) {
    try{
        URL myUrl = new URL(url);
        URLConnection connection = myUrl.openConnection();
        connection.setConnectTimeout(timeout);
        connection.connect();
        return true;
    } catch (Exception e) {
        // Handle your exceptions
        return false;
    }
}

这将尝试连接到服务器的URL，如果失败，你显然不具备的连接。 ; - ）

This will attempt to connect to your server's URL and if it fails, you obviously don't have a connection. ;-)

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