int uid = getApplication().getApplicationInfo().uid;
        uid = android.os.Process.myUid();
        mStartRX = TrafficStats.getUidRxBytes(uid);
        mStartTX = TrafficStats.getUidTxBytes(uid);
        mHandler.postDelayed(mRunnable, 1000);

private final Runnable mRunnable = new Runnable() {
        public void run() {
            int uid = getApplication().getApplicationInfo().uid;
            uid = android.os.Process.myUid();
            long txApp = TrafficStats.getUidTxBytes(uid) - mStartRX;
            long rxApp = TrafficStats.getUidRxBytes(uid) - mStartTX;
            TextView RX = (TextView) findViewById(R.id.t2);
            TextView TX = (TextView) findViewById(R.id.t3);
            //long rxBytes = TrafficStats.getTotalRxBytes() - mStartRX;
            RX.setText(Long.toString(rxApp));
            //long txBytes = TrafficStats.getTotalTxBytes() - mStartTX;
            TX.setText(Long.toString(txApp));
            mHandler.postDelayed(mRunnable, 1000);
        }
    };