类型问题

app/src/main/java/com/virjar/majora/adr/KeepAliveService.java

@@ -22,6 +22,8 @@ import android.preference.PreferenceManager;
 import com.virjar.majora.client.sdk.client.MajoraClient;
 import com.virjar.majora.client.sdk.log.MajoraLogger;
 
+import org.apache.commons.lang3.math.NumberUtils;
+
 import java.util.Timer;
 import java.util.TimerTask;
 
@@ -118,7 +120,7 @@ public class KeepAliveService extends Service {
     private void startProxyService() {
         SharedPreferences spf = PreferenceManager.getDefaultSharedPreferences(this);
         String serverHost = spf.getString("server_host", "majora.virjar.com");
-        int serverPort = spf.getInt("server_port", 5879);
+        int serverPort = NumberUtils.toInt(spf.getString("server_port", "5879"), 5879);
         new MajoraClient(serverHost, serverPort, ClientIdentifier.id()).startUp();
     }
 

app/src/main/res/xml/pref_setting.xml

@@ -4,12 +4,14 @@
     <PreferenceCategory android:title="@string/server">
 
         <EditTextPreference
-            android:persistent="true"
             android:defaultValue="@string/default_server_host"
             android:key="server_host"
+            android:persistent="true"
             android:title="@string/server_host" />
         <EditTextPreference
             android:defaultValue="@string/default_server_port"
+            android:digits="0123456789"
+            android:inputType="numberDecimal"
             android:key="server_port"
             android:title="@string/port" />
     </PreferenceCategory>