android获取3G或wifi流量信息

android获取3G或wifi流量信息：

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();
		}