获得sim卡是几G卡

来源：互联网发布：淘宝网小二客服电话编辑：程序博客网时间：2024/06/05 04:43

import android.content.Context;
import android.telephony.TelephonyManager;
import android.widget.Toast;
/*
* 采用几G通道通信，通信时采用的网络类型.
* 几G的卡是移动运营商提供的移动通信通道类型，只有2G,3G。

* 获取sim卡是几G卡，步骤：

* 获得sim卡注册的移动运营商志识，获得移动运营商给sim卡提供的通信网络频段，然后判断是几G卡。

* 说明：

* 移动数据图标上面的E，G，H，3G网络图标不是这样判断的。通话网络和移动数据上网网络的网络类型不同

/*
* 获得移动数据通道类型
*/
public class NetworkTypeUtils {

   public static final int NETWORK_TYPE_G = 0;
   public static final int NETWORK_TYPE_E = 1;
   public static final int NETWORK_TYPE_H = 2;
   public static final int NETWORK_TYPE_3G = 3;
   public static final int UNKNOWN_NETWORK_TYPE = -1;
   static boolean mHspaDataDistinguishable = true;

   public static int getNetworkType(Context context) {
       try {
           mHspaDataDistinguishable = context.getResources().getBoolean(
                    R.bool.config_hspa_data_distinguishable);
        } catch (Exception e) {
            mHspaDataDistinguishable = false;
        }

       TelephonyManager manager = (TelephonyManager) context
               .getSystemService(Context.TELEPHONY_SERVICE);
       int networkType = manager.getNetworkType();
       if (networkType == TelephonyManager.NETWORK_TYPE_GPRS
               || networkType == TelephonyManager.NETWORK_TYPE_CDMA
               || networkType == TelephonyManager.NETWORK_TYPE_IDEN) {
           //target = "2G";
           return NETWORK_TYPE_G;
       } else if (networkType == TelephonyManager.NETWORK_TYPE_EDGE
               || networkType == TelephonyManager.NETWORK_TYPE_1xRTT) {
           //target = "2.75G";
           return NETWORK_TYPE_E;
       } else if (networkType == TelephonyManager.NETWORK_TYPE_UMTS
               || networkType == TelephonyManager.NETWORK_TYPE_EVDO_0
               || networkType == TelephonyManager.NETWORK_TYPE_EVDO_A
               || networkType == TelephonyManager.NETWORK_TYPE_EVDO_B) {
           //target = "3G";
           return NETWORK_TYPE_3G;
       } else if (networkType == TelephonyManager.NETWORK_TYPE_HSDPA
               || networkType == TelephonyManager.NETWORK_TYPE_HSUPA
               || networkType == TelephonyManager.NETWORK_TYPE_HSPA) {
           if (mHspaDataDistinguishable) {
               //target = "3.5G";
               return NETWORK_TYPE_H;
            } else {
               //target = "3G";
               return NETWORK_TYPE_3G;
            }
       } else {
           //target = "未知网络";
           return UNKNOWN_NETWORK_TYPE;
       }
   }
}

判断sim卡是几G卡的方法：

private boolean is3GSignal() {
           if (serviceState != null) {
               try {
                   String method = "getRadioTechnology";
                   Method mMethod = ServiceState.class.getMethod(method, null);
                   int networkType = (Integer) mMethod.invoke(serviceState, null);

                    //   由于这些静态属性都是hide注释的，所以可以通过反射来得到
                   Field f1 = ServiceState.class.getDeclaredField("RADIO_TECHNOLOGY_UMTS");
                   Field f2 = ServiceState.class.getDeclaredField("RADIO_TECHNOLOGY_HSDPA");
                   Field f3 = ServiceState.class.getDeclaredField("RADIO_TECHNOLOGY_HSUPA");
                   Field f4 = ServiceState.class.getDeclaredField("RADIO_TECHNOLOGY_HSPA");
                   Field f5 = ServiceState.class.getDeclaredField("RADIO_TECHNOLOGY_EVDO_0");
                   Field f6 = ServiceState.class.getDeclaredField("RADIO_TECHNOLOGY_EVDO_A");
                   f1.setAccessible(true);
                   f2.setAccessible(true);
                   f3.setAccessible(true);
                   f4.setAccessible(true);
                   f5.setAccessible(true);
                   f6.setAccessible(true);

                   if (networkType == f1.getInt(serviceState)
                           || networkType == f2.getInt(serviceState)
                           || networkType == f3.getInt(serviceState)
                           || networkType == f4.getInt(serviceState)
                           || networkType == f5.getInt(serviceState)
                           || networkType == f6.getInt(serviceState)) {
                       return true;
                   }
                   Log.i("song", "3GSignal:" + networkType);
               } catch(Exception e) {
                   e.printStackTrace();
               }
           }
           return false;
       }