在Android中访问Earthquake API.的UnknownHostException

Question

我只是想尝试访问Earthquake API,我正面临着这个错误.

03-22 00:55:27.805: W/System.err(1044): java.net.UnknownHostException: Unable to resolve host "earthquake.usgs.gov": No address associated with hostname 03-22 00:55:27.815: W/System.err(1044): at java.net.InetAddress.lookupHostByName(InetAddress.java:426) 03-22 00:55:27.815: W/System.err(1044): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:242) 03-22 00:55:27.815: W/System.err(1044): at java.net.InetAddress.getAllByName(InetAddress.java:220)

03-22 00:55:27.805: W/System.err(1044): java.net.UnknownHostException: Unable to resolve host "earthquake.usgs.gov": No address associated with hostname 03-22 00:55:27.815: W/System.err(1044): at java.net.InetAddress.lookupHostByName(InetAddress.java:426) 03-22 00:55:27.815: W/System.err(1044): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:242) 03-22 00:55:27.815: W/System.err(1044): at java.net.InetAddress.getAllByName(InetAddress.java:220)

Answer 1

您是否已在AndroidManifest.xml文件中为您的应用程序提供了INTERNET权限？

你应该有一个类似下面的行:

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