Android获取3G或wifi流量信息的代码

IBatteryStats battryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService("batteryinfo"));       byte[] data = null;    try {     data = battryStats.getStatistics();     Parcel parcel = Parcel.obtain();     parcel.unmarshall(data, 0, data.length);     parcel.setDataPosition(0);     final BatteryStatsImpl impl = BatteryStatsImpl.CREATOR.createFromParcel(parcel);     try {      Thread.sleep(1000);     } catch (InterruptedException e) {      e.printStackTrace();     }     long length1_1 = impl.getTotalTcpBytesReceived(BatteryStats.STATS_CURRENT);     long length1_2 = impl.getTotalTcpBytesReceived(BatteryStats.STATS_LAST);     long length1_3 = impl.getTotalTcpBytesReceived(BatteryStats.STATS_TOTAL);     long length1_4 = impl.getTotalTcpBytesReceived(BatteryStats.STATS_UNPLUGGED);          long length2_1 = impl.getTotalTcpBytesSent(BatteryStats.STATS_CURRENT);     long length2_2 = impl.getTotalTcpBytesSent(BatteryStats.STATS_LAST);     long length2_3 = impl.getTotalTcpBytesSent(BatteryStats.STATS_TOTAL);     long length2_4 = impl.getTotalTcpBytesSent(BatteryStats.STATS_UNPLUGGED);          long length3_1 = impl.getMobileTcpBytesReceived(BatteryStats.STATS_CURRENT);     long length3_2 = impl.getMobileTcpBytesReceived(BatteryStats.STATS_LAST);     long length3_3 = impl.getMobileTcpBytesReceived(BatteryStats.STATS_TOTAL);     long length3_4 = impl.getMobileTcpBytesReceived(BatteryStats.STATS_UNPLUGGED);          long length4_1 = impl.getMobileTcpBytesSent(BatteryStats.STATS_CURRENT);     long length4_2 = impl.getMobileTcpBytesSent(BatteryStats.STATS_LAST);     long length4_3 = impl.getMobileTcpBytesSent(BatteryStats.STATS_TOTAL);     long length4_4 = impl.getMobileTcpBytesSent(BatteryStats.STATS_UNPLUGGED);          Log.d("TAG", "total tcp R dataC:" + length1_1/(1024*1024));     Log.d("TAG", "total tcp R dataL:" + length1_2/(1024*1024));     Log.d("TAG", "total tcp R dataT:" + length1_3/(1024*1024));     Log.d("TAG", "total tcp R dataU:" + length1_4/(1024*1024));          Log.d("TAG", "total tcp S dataC:" + length2_1/(1024*1024));     Log.d("TAG", "total tcp S dataL:" + length2_2/(1024*1024));     Log.d("TAG", "total tcp S dataT:" + length2_3/(1024*1024));     Log.d("TAG", "total tcp S dataU:" + length2_4/(1024*1024));          Log.d("TAG", "M R tcp dataC:" + length3_1/(1024*1024));     Log.d("TAG", "M R tcp dataL:" + length3_2/(1024*1024));     Log.d("TAG", "M R tcp dataT:" + length3_3/(1024*1024));     Log.d("TAG", "M R tcp dataU:" + length3_4/(1024*1024));          Log.d("TAG", "M S tcp dataC:" + length4_1/(1024*1024));     Log.d("TAG", "M S tcp dataL:" + length4_2/(1024*1024));     Log.d("TAG", "M S tcp dataT:" + length4_3/(1024*1024));     Log.d("TAG", "M S tcp dataU:" + length4_4/(1024*1024));         } catch (RemoteException e) {     // TODO Auto-generated catch block     e.printStackTrace();    }