/** 
* 电信APN列表 
* @author wudongdong 
* 
*/ 
public class APNNET { 
public static String CTWAP="ctwap"; 
public static String CTNET="ctnet"; 
} 
/** 
* 电信APN列表 
* @author wudongdong 
* 
*/ 
public class APNNET { 
public static String CTWAP="ctwap"; 
public static String CTNET="ctnet"; 
} 
//获得APN的类型  
/** 
* 获得APN类型 
* @author wudongdong 
* 
*/ 
public class ApnUtil { 
private static Uri PREFERRED_APN_URI = Uri 
.parse("content://telephony/carriers/preferapn"); 
/** 
* get apntype 
* @param context 
* @return 
*/ 
public static String getApnType(Context context){ 
String apntype="nomatch"; 
Cursor c = context.getContentResolver().query(PREFERRED_APN_URI,null, null, null, null); 
c.moveToFirst(); 
String user=c.getString(c.getColumnIndex("user")); 
if(user.startsWith(APNNET.CTNET)){ 
apntype=APNNET.CTNET; 
}else if(user.startsWith(APNNET.CTWAP)){ 
apntype=APNNET.CTWAP; 
} 
return apntype; 
} 
} 
/** 
* 获得APN类型 
* @author wudongdong 
* 
*/ 
public class ApnUtil { 
private static Uri PREFERRED_APN_URI = Uri 
.parse("content://telephony/carriers/preferapn"); 
/** 
* get apntype 
* @param context 
* @return 
*/ 
public static String getApnType(Context context){ 
String apntype="nomatch"; 
Cursor c = context.getContentResolver().query(PREFERRED_APN_URI,null, null, null, null); 
c.moveToFirst(); 
String user=c.getString(c.getColumnIndex("user")); 
if(user.startsWith(APNNET.CTNET)){ 
apntype=APNNET.CTNET; 
}else if(user.startsWith(APNNET.CTWAP)){ 
apntype=APNNET.CTWAP; 
} 
return apntype; 
} 
}

/**
 获得手机号码的话可以传IMSI码到指定接口，接口地址不方便说。但可以透露一点，必须走CTWAP，这也是判断APN类型的原因，发现很多应用如果APN是走代理的话就不能联网，那么再介绍一下用APN设置网络的代理信息。
 */
  Cursor c = context.getContentResolver().query(PREFERRED_APN_URI,null, null, null, null); 
  c.moveToFirst(); 
  String proxy=c.getString(c.getColumnIndex("proxy")); 
  if (!"".equals(proxy) && proxy!=null) { 
  Properties prop = System.getProperties(); 
  System.getProperties().put("proxySet", "true"); 
  prop.setProperty("http.proxyHost", c.getString(c.getColumnIndex("proxy"))); 
  prop.setProperty("http.proxyPort", c.getString(c.getColumnIndex("port"))); 
  String authentication = c.getString(c.getColumnIndex("user")) 
  + ":" + c.getString(c.getColumnIndex("password")); 
  String encodedLogin = Base64.encode(authentication); 
  uc.setRequestProperty("Proxy-Authorization", " BASIC " 
  + encodedLogin); 
  } 
  c.close();