java.net.UnknownHostException: Unable to resolve host "cndev.mtwo.com": No address associated with

原创于 2019-02-03 21:50:24 发布 · 1.6k 阅读

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tony-nf.peng

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本文详细介绍了在Android应用中解决网络请求返回UnknownHostException的方法，包括确保应用权限正确设置，检查WiFi状态，以及重启模拟器等步骤。

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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"/>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>

first of all, above use-permission must be set.

if Post request still return "UnknownHostException", you 've set the following :

<uses-permission android:name="android.permission.INTERNET" />

what if all setting are done, you find the issue which is not done, you must check your wifi is open or not?

Note that , If you are using the emulator (Nox). You had better try to restart your emulator. like that, this exeception can be solved.