java在Android中访问地震API。未知后异常

Question

我只是试图访问地震API，我面临着这个错误

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)

Answer 1

您是否在AndroidManifest中提供了应用程序the ^{} permission。xml文件

您应该有一行如下所示：

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