blocks|key|262647|text|我在模拟器中也看到过这个问题。在我的例子中，这是由于启动模拟器，然后使计算机进入睡眠状态或更改网络连接(从工作到家庭等)，然后再次尝试使用相同的模拟器造成的。关闭并重新启动模拟器可以解决这种情况下的问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|262648|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I've seen this problem in the emulator as well. In my case, it is caused by launching the emulator, then putting the computer to sleep or changing the network connection (going from work to home, etc), then attempting to use the same emulator again. Closing and re-launching the emulator resolves the problem in this case.

blocks|key|268059|text|It+is+WiFi+bug+bug+wifi+disable+or+not+properly+connected.+(这是由于wifi+disable+or+not+properly+connected.导致的错误|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|CODE|entityRanges|data|268060|268061|只需重新连接wifi就可以解决问题。|blockquote|268062|268063|entityMap^0|6|8|J|13|1S|13|0|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|D]|$9|S|A|T|B|D]]|E|@]|F|$]]|$1|G|3|-4|5|6|7|U|8|@]|E|@]|F|$]]|$1|H|3|I|5|J|7|V|8|@]|E|@]|F|$]]|$1|K|3|-4|5|6|7|W|8|@]|E|@]|F|$]]|$1|L|3|-4|5|6|7|X|8|@]|E|@]|F|$]]]|M|$]]

It is WiFi bug due to <code>wifi disable or not properly connected.</code> 

<blockquote>
 Simply Reconnect the wifi will solve the issue.
</blockquote>

blocks|key|3172693|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3172694|无法解析主机“”；没有与主机名关联的地址|blockquote|3172695|3172696|3172697|您必须在清单中检查以下代码：|3172698|<uses-permission+android:name="android.permission.INTERNET"+/>|code-block|syntax|javascript|3172699|至少对我来说，最重要的是：-|offset|length|style|BOLD|3172700|在您的移动设备上启用的wifi连接或互联网连接|3172701|entityMap^0|0|0|0|0|0|0|7|7|0|A|D|0^^$0|@$1|2|3|-4|4|5|6|W|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|X|7|@]|8|@]|9|$]]|$1|D|3|-4|4|5|6|Y|7|@]|8|@]|9|$]]|$1|E|3|-4|4|5|6|Z|7|@]|8|@]|9|$]]|$1|F|3|G|4|5|6|10|7|@]|8|@]|9|$]]|$1|H|3|I|4|J|6|11|7|@]|8|@]|9|$K|L]]|$1|M|3|N|4|5|6|12|7|@$O|13|P|14|Q|R]]|8|@]|9|$]]|$1|S|3|T|4|5|6|15|7|@$O|16|P|17|Q|R]]|8|@]|9|$]]|$1|U|3|-4|4|5|6|18|7|@]|8|@]|9|$]]]|V|$]]

<blockquote>
 Unable to resolve host “”; No address associated with hostname
</blockquote>

you must have to check below code here on your manifest :

<pre><code>&lt;uses-permission android:name="android.permission.INTERNET" /&gt;
</code></pre>

and most important at least for me:-

enabled wifi connection or internet connection on your mobile device

blocks|key|2958865|text|有时，尽管您在AndroidManifest中添加了<uses-permission+android:name="android.permission.INTERNET"+/>并且具有WiFi连接，但仍会抛出此异常。在我的例子中，我关闭了WiFi，然后又打开了它。这解决了错误。奇怪的解决方案，但有时它是有效的。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2958866|entityMap^0|Q|1Q|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

Sometimes, although you add <code>&lt;uses-permission android:name="android.permission.INTERNET" /&gt;</code> in the AndroidManifest and you have a WiFi connection, this exception can be thrown. In my case, I have turned off WiFi and then turned it on again. This resolved the error. Weird solution, but sometimes it works.

blocks|key|268008|text|""您似乎正在尝试解析此主机，但这是无效的。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|268009|检查rss+URL|268010|以下是更新的可能性|BOLD|268011|1您的浏览器配置了代理，但应用程序未配置|268012|System.setProperty("http.proxyHost",+"my.proxyhost.com");
System.setProperty("http.proxyPort",+"1234");|code-block|syntax|javascript|268013|2您的浏览器可以访问internet。非应用程序|268014|如果3是安全的，则可能是一个SSL问题。|268015|entityMap^0|0|2|0|0|3|2|0|0|1|0|0|0|1|0|2|1|0^^$0|@$1|2|3|4|5|6|7|X|8|@$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|10|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|11|8|@$9|12|A|13|B|J]]|D|@]|E|$]]|$1|K|3|L|5|6|7|14|8|@$9|15|A|16|B|J]]|D|@]|E|$]]|$1|M|3|N|5|O|7|17|8|@]|D|@]|E|$P|Q]]|$1|R|3|S|5|6|7|18|8|@$9|19|A|1A|B|J]]|D|@]|E|$]]|$1|T|3|U|5|6|7|1B|8|@$9|1C|A|1D|B|J]]|D|@]|E|$]]|$1|V|3|-4|5|6|7|1E|8|@]|D|@]|E|$]]]|W|$]]

<code>""</code> it seems you are trying to resolve this host , which is invalid.

Check for rss URL

Update
Following are the possibilities 

1 Your browser is configured with proxy, app not

<pre><code>System.setProperty("http.proxyHost", "my.proxyhost.com");
System.setProperty("http.proxyPort", "1234");
</code></pre>

2 Your browser has access to internet. not app

3 can be an SSL issue if URL is secured

blocks|key|2959079|text|我也有同样的问题。我的虚拟设备在设备的顶部栏上显示了一个被划掉的WiFi图标。我重启了虚拟设备，一切都恢复正常。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2959080|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I had the same issue. My virtual device was showing a crossed-out WiFi icon at the top bar of the device. I rebooted the virtual device and everything was back to normal.

blocks|key|268166|text|检查您是否拥有：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|268167|1-访问Internet连接。|268168|2-清单中存在对internet的权限。|268169|3-+url主机有效并已在受信任的域名服务器中注册。|268170|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

Check you have:

1- Access to Internet connectivity.

2- The permission for internet is present in the manifest.

3- The url host is valid and registered in a trusted domain name server.

blocks|key|264846|text|有时在模拟器上，我必须在我的应用程序可以访问互联网之前启动浏览器。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|264847|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Some times on the emulator, I have to launch the browser before my app can access the Internet.

blocks|key|268139|text|这可能是由於以下原因：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|268140|268141|您在清单文件中没有互联网权限。如果是这样，请使用此语句<uses-permission+android:name="android.permission.INTERNET"+/>|ordered-list-item|offset|length|style|CODE|268142|Or您已连接到网络，但您的互联网连接不工作。例如，您已连接到Wi-Fi，但它没有互联网连接，或者您手机上的移动数据处于打开状态，但您的手机上没有数据连接。|268143|268144|Point#+2很有趣，这不是假设，我已经在我这一端测试过了。|268145|希望这能对你有所帮助|268146|总结|268147|entityMap^0|0|0|R|1Q|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|V|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|W|8|@$F|X|G|Y|H|I]]|9|@]|A|$]]|$1|J|3|K|5|E|7|Z|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|10|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|11|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|12|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|13|8|@]|9|@]|A|$]]|$1|S|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|T|$]]

It could be due to below reasons: -

<ol>
<li>Either you dont have INTERNET permission in manifest file. If so then please use this statement <code>&lt;uses-permission android:name="android.permission.INTERNET" /&gt;</code></li>
<li>Or you are connected to a network but your internet connection is not working. Like you are connected to a Wi-Fi but it doesnt have internet connection or Mobile data on your phone is ON but you dont have data connectivity on your phone. </li>
</ol>

Point# 2 is interesting and its not assumption, I have tested the same at my end.

Hope this will help you

Summved

blocks|key|266421|text|这不是你的错，小贝，当模拟器处于奇怪的状态时，我也遇到过这种情况。重新启动模拟器对我很有帮助。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|266422|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

It's not your fault bae, I've had this happen sometimes when the emulator's in a weird state. Just restarting the emulator helped me.

blocks|key|2959040|text|在我的例子中，当我在我的主机上连接到VPN，而不是在模拟器上时，我遇到了这个错误。关闭VPN解决了问题|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2959041|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

In my case, I had that error when I'm connected to VPN on my host but not on simulator. Turning the VPN off solved the issue

blocks|key|264964|text|无法解析主机“”；没有与主机名关联的地址|type|unstyled|depth|inlineStyleRanges|entityRanges|data|264965|我有这个问题，我用这种方法解决了它。变化|264966|http://hostname/abc/def/ghi/name.php|offset|length|264967|至|264968|http://ipaddress/abc/def/ghi/name.php+//http://97.68.XX.YY/abc/def/ghi/name.php|264969|我解决了这个问题，way...you必须给出服务器的ip地址，而不是主机名/服务器名。|264970|请尝试并评论您的反馈。|264971|entityMap|0|LINK|mutability|MUTABLE|url|1|http://ipaddress/abc/def/ghi/name.php|2|http://97.68.xx.yy/abc/def/ghi/name.php^0|0|0|0|10|0|0|0|0|11|1|14|13|2|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|11|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|12|8|@]|9|@$F|13|G|14|1|15]]|A|$]]|$1|H|3|I|5|6|7|16|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|17|8|@]|9|@$F|18|G|19|1|1A]|$F|1B|G|1C|1|1D]]|A|$]]|$1|L|3|M|5|6|7|1E|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1F|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|1G|8|@]|9|@]|A|$]]]|Q|$R|$5|S|T|U|A|$V|E]]|W|$5|S|T|U|A|$V|X]]|Y|$5|S|T|U|A|$V|Z]]]]

Unable to resolve host “”; No address associated with hostname

I had this issue and I solved it by this way.
change 

<a href="http://hostname/abc/def/ghi/name.php" rel="nofollow noreferrer">http://hostname/abc/def/ghi/name.php</a>

to

<a href="http://ipaddress/abc/def/ghi/name.php" rel="nofollow noreferrer">http://ipaddress/abc/def/ghi/name.php</a> //<a href="http://97.68.XX.YY/abc/def/ghi/name.php" rel="nofollow noreferrer">http://97.68.XX.YY/abc/def/ghi/name.php</a>

I solved this by this way...you have to give server ip address instead of hostname/servername.

Please try this and comment your feedback.

blocks|key|262798|text|在我的例子中，问题是WIFI与IPV6一起工作，而我的域名没有IPv6地址|type|unstyled|depth|inlineStyleRanges|entityRanges|data|262799|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

In my case problem was with WIFI working with IPV6 and my domain did not have IPv6 adress

blocks|key|266397|text|如果您在模拟器上运行该应用程序，请确保它已正确连接到互联网。如果不是，最简单的解决方法是重新打开模拟器或创建一个新设备。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|266398|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If you are running the app on an emulator, make sure that it is properly connected to the internet. If it is not, the easiest way of solving it is reopening the emulator or creating a new device.

blocks|key|2958992|text|我遇到了同样的问题，这是因为模拟器不知何故进入了飞行模式，一旦这项功能被禁用，我的应用程序就可以正常工作:-)我已经尝试了所有方法，重建、clean%2Bbuild和重启安卓studio，然后重启电脑，甚至重装安卓studio。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2958993|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I Had the same problem, and it was because the simulator somehow got in airplane mode, once this was disabled my App worked fine :-)
I had tried everything, rebuild, clean+build and reboot android studio and reboot the computer, even reinstalling android studio..

blocks|key|2958968|text|检查mainfest文件中的INTERNET权限，并检查网络连通性。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2958969|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Check permission for INTERNET in mainfest file and check network connectivity.

In my Android application for reading <a href="http://en.wikipedia.org/wiki/RSS">RSS</a> links, I am getting this error:

<blockquote>
 java.net.UnknownHostException:
 Unable to resolve host "example.com";
 No address associated with hostname.
</blockquote>

In my emulator I can connect to Google through a browser.
Please help me to resolve this issue.

Unable to resolve host "<URL here>" No address associated with host name

服务器

在我的用于读取链接的安卓应用程序中，我得到了这个错误： java.net.UnknownHostException:无法解析主机"example.com"；没有与主机名关联的地址。在我的模拟器中，我可以通过浏览器连接到Google。请帮我解决这个问题。

问无法解析主机"<URL here>“没有与主机名关联的地址
EN

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