Android编程获取网络连接方式及判断手机卡所属运营商的方法

// 获取Mobile网络下的cmwap、cmnet
private int getCurrentApnInUse() {
  int type = NONET;
  Cursor cursor = context.getContentResolver().query(PREFERRED_APN_URI,
      new String[] { "_id", "apn", "type" }, null, null, null);
  cursor.moveToFirst();
  int counts = cursor.getCount();
  if(counts != 0){//适配平板外挂3G模块情况
   if (!cursor.isAfterLast()) {
   String apn = cursor.getString(1);
   //#777、ctnet 都是中国电信定制机接入点名称,中国电信的接入点：Net、Wap都采用Net即非代理方式联网即可
   //internet 是模拟器上模拟接入点名称
   if (apn.equalsIgnoreCase("cmnet") || apn.equalsIgnoreCase("3gnet") || apn.equalsIgnoreCase("uninet")
     || apn.equalsIgnoreCase("#777") || apn.equalsIgnoreCase("ctnet") || apn.equalsIgnoreCase("internet")) {
    type = WIFIAndCMNET;
   } else if (apn.equalsIgnoreCase("cmwap") || apn.equalsIgnoreCase("3gwap") || apn.equalsIgnoreCase("uniwap")) {
    type = CMWAP;
   }
  }else{
   //适配中国电信定制机,如海信EG968,上面方式获取的cursor为空，所以换种方式
   Cursor c = context.getContentResolver().query(PREFERRED_APN_URI,null, null, null, null);
   c.moveToFirst();
   String user=c.getString(c.getColumnIndex("user"));
   if(user.equalsIgnoreCase("ctnet")){
    type = WIFIAndCMNET;
   }
   c.close();
  }
  }else{
   type = WIFIAndCMNET;//平板外挂3G,采用非代理方式上网
  }
  cursor.close();
  return type;
}

/**
 * MOBILE方式下获取当前的网络连接方式，代理或非代理
 * 
 */
public static String getCurrentApnInUse(Context context)
{
  Cursor cursor = context.getContentResolver().query(PREFERRED_APN_URI, new String[] { "_id", "apn", "type", "proxy" }, null, null,
      null);
  cursor.moveToFirst();
  if (cursor.isAfterLast())
  {
    String apn = cursor.getString(3);
  if (apn == null)
  {
    apn = "";
  }
  }
  return apn;
}
/**
 * 获取手机卡类型，移动、联通、电信
 * 
 */
private static int getMobileType(Context context)
{
  int type = 0;
  TelephonyManager iPhoneManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
  String iNumeric = iPhoneManager.getSimOperator();
  if (iNumeric.length() > 0)
  {
    if (iNumeric.equals("46000") || iNumeric.equals("46002"))
    {
      // 中国移动
    }
    else if (iNumeric.equals("46001"))
    {
      // 中国联通
    }
    else if (iNumeric.equals("46003"))
    {
      // 中国电信
    }
  }
}