主機未解決：api。 facebook.com:443

Question

我收到「Host is unresolved：api。facebook.com:443」logcat 錯誤，同時我嘗試從我的Android應用授權Facebook。 任何想法爲什麼會發生？

登錄貓：

01-10 15:28:55.891: E/Facebook(1084): Host is unresolved: api.facebook.com:443 
01-10 15:28:55.918: W/System.err(1084): java.net.UnknownHostException: Host is unresolved: api.facebook.com:443 
01-10 15:28:55.938: W/System.err(1084):  at java.net.Socket.connect(Socket.java:1038) 
01-10 15:28:55.938: W/System.err(1084):  at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:62) 
01-10 15:28:55.938: W/System.err(1084):  at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnectionPool.get(HttpConnectionPool.java:88) 
01-10 15:28:56.047: W/System.err(1084):  at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getHTTPConnection(HttpURLConnectionImpl.java:927) 
01-10 15:28:56.047: W/System.err(1084):  at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:909) 
01-10 15:28:56.047: W/System.err(1084):  at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:396) 
01-10 15:28:56.047: W/System.err(1084):  at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:147) 
01-10 15:28:56.088: W/System.err(1084):  at com.facebook.android.Util.openUrl(Util.java:178) 
01-10 15:28:56.088: W/System.err(1084):  at com.facebook.android.Facebook.request(Facebook.java:559) 
01-10 15:28:56.088: W/System.err(1084):  at com.facebook.android.AsyncFacebookRunner$2.run(AsyncFacebookRunner.java:253) 

Answer 1

你需要在AndroidManifest.xml使用<uses-permission>與android.permission.INTERNET。