Facebook的Andr​​oid SDK中运行时，例如应用程序给

  11-14 23：17：58.484：ERROR / HttpOperation.run（1139）：类的java.net.UnknownHostException api.facebook.com [http://api.facebook.com/restserver.php?api_key=882a8490361da98702bf97a021ddc14d&call_id=1289744278460&format=JSON&method=fql.query&migrations_override=%7B%27empty_json%27%3A+true%7D&query=SELECT+uid%2Cfirst_name%2Clast_name%2Cname%2Cpic_square%2Ccell%2Cother_phone%2Ccontact_email%2Cbirthday_date+FROM+user+WHERE+%28uid+IN+%28SELECT+uid2+FROM+friend+WHERE+uid1%3D1825058169%29%29%3B&session_key=f9902bc179f7592f8ed273ed-1825058169&sig=e299638eb114e77fef3eb2088f270683&v=1.0]
11-14 23：17：58.484：ERROR / HttpOperation（1139）：遇到异常：的java.net.UnknownHostException：api.facebook.com
11-14 23：17：58.484：WARN / System.err的（1139）：的java.net.UnknownHostException：api.facebook.com
11-14 23：17：58.484：WARN / System.err的（1139）：在java.net.InetAddress.lookupHostByName（InetAddress.java:513）
11-14 23：17：58.484：WARN / System.err的（1139）：在java.net.InetAddress.getAllByNameImpl（InetAddress.java:278）
11-14 23：17：58.484：WARN / System.err的（1139）：在java.net.InetAddress.getAllByName（InetAddress.java:242）
11-14 23：17：58.484：WARN / System.err的（1139）：在org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:136)
11-14 23：17：58.484：WARN / System.err的（1139）：在org.apache.http.impl.conn.AbstractPoolEntry.open（AbstractPoolEntry.java:164）
11-14 23：17：58.484：WARN / System.err的（1139）：在org.apache.http.impl.conn.AbstractPooledConnAdapter.open（AbstractPooledConnAdapter.java:119）
11-14 23：17：58.484：WARN / System.err的（1139）：在org.apache.http.impl.client.DefaultRequestDirector.execute（DefaultRequestDirector.java:348）
11-14 23：17：58.484：WARN / System.err的（1139）：在org.apache.http.impl.client.AbstractHttpClient.execute（AbstractHttpClient.java:555）
11-14 23：17：58.484：WARN / System.err的（1139）：在org.apache.http.impl.client.AbstractHttpClient.execute（AbstractHttpClient.java:487）
11-14 23：17：58.484：WARN / System.err的（1139）：在org.apache.http.impl.client.AbstractHttpClient.execute（AbstractHttpClient.java:465）
11-14 23：17：58.484：WARN / System.err的（1139）：在com.facebook.katana.service.method.HttpOperation.run（HttpOperation.java:163）
 

解决方案

您需要添加使用互联网的应用程序的权限。如果不这样做，应用程序引发此错误。

进入清单和加入这一行：

 ＆LT;使用-权限的Andr​​oid：名称=android.permission.INTERNET对＆GT;＆LT; /使用-许可＆GT;
 

Facebook Android SDK when running example apps gives

11-14 23:17:58.484: ERROR/HttpOperation.run(1139): class java.net.UnknownHostException api.facebook.com [http://api.facebook.com/restserver.php?api_key=882a8490361da98702bf97a021ddc14d&call_id=1289744278460&format=JSON&method=fql.query&migrations_override=%7B%27empty_json%27%3A+true%7D&query=SELECT+uid%2Cfirst_name%2Clast_name%2Cname%2Cpic_square%2Ccell%2Cother_phone%2Ccontact_email%2Cbirthday_date+FROM+user+WHERE+%28uid+IN+%28SELECT+uid2+FROM+friend+WHERE+uid1%3D1825058169%29%29%3B&session_key=f9902bc179f7592f8ed273ed-1825058169&sig=e299638eb114e77fef3eb2088f270683&v=1.0]
11-14 23:17:58.484: ERROR/HttpOperation(1139): Encountered exception: java.net.UnknownHostException: api.facebook.com
11-14 23:17:58.484: WARN/System.err(1139): java.net.UnknownHostException: api.facebook.com
11-14 23:17:58.484: WARN/System.err(1139): at java.net.InetAddress.lookupHostByName(InetAddress.java:513)
11-14 23:17:58.484: WARN/System.err(1139): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:278)
11-14 23:17:58.484: WARN/System.err(1139): at java.net.InetAddress.getAllByName(InetAddress.java:242)
11-14 23:17:58.484: WARN/System.err(1139): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:136)
11-14 23:17:58.484: WARN/System.err(1139): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
11-14 23:17:58.484: WARN/System.err(1139): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
11-14 23:17:58.484: WARN/System.err(1139): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:348)
11-14 23:17:58.484: WARN/System.err(1139): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
11-14 23:17:58.484: WARN/System.err(1139): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
11-14 23:17:58.484: WARN/System.err(1139): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
11-14 23:17:58.484: WARN/System.err(1139): at com.facebook.katana.service.method.HttpOperation.run(HttpOperation.java:163)

You need to add the permission to use the internet to the app. If you don't, the app throws this error.

go into the manifest and add this line:

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