Question

首先，这个问题也在之前被问过（我进行了1小时的研究），但他们似乎都没有回答这个问题。所以这里 - 我希望使用TrafficStats获得当前的上传和下载速度，并在我的textView中显示它，我可以在下面的代码中显示Up和Down统计信息（我从一个问题中获取此代码）

public class MainActivity extends Activity {

    private Handler mHandler = new Handler();
    private long mStartRX = 0;
    private long mStartTX = 0;
    private final Runnable mRunnable = new Runnable() {
        public void run() {

            TextView RX = (TextView) findViewById(R.id.RX);
            TextView TX = (TextView) findViewById(R.id.TX);
            // long rxBytes = TrafficStats.getTotalRxBytes() - mStartRX;
            // RX.setText(Long.toString(rxBytes));
            long rxBytes = TrafficStats.getTotalRxBytes() - mStartRX;
            RX.setText(Long.toString(rxBytes) + " bytes");
            if (rxBytes >= 1024) {
                // KB or more
                long rxKb = rxBytes / 1024;
                RX.setText(Long.toString(rxKb) + " KBs");
                if (rxKb >= 1024) {
                    // MB or more
                    long rxMB = rxKb / 1024;
                    RX.setText(Long.toString(rxMB) + " MBs");
                    if (rxMB >= 1024) {
                        // GB or more
                        long rxGB = rxMB / 1024;
                        RX.setText(Long.toString(rxGB));
                    }// rxMB>1024
                }// rxKb > 1024
            }// rxBytes>=1024

            // long txBytes = TrafficStats.getTotalTxBytes() - mStartTX;
            // TX.setText(Long.toString(txBytes));
            long txBytes = TrafficStats.getTotalTxBytes() - mStartTX;
            TX.setText(Long.toString(txBytes) + " bytes");
            if (txBytes >= 1024) {
                // KB or more
                long txKb = txBytes / 1024;
                TX.setText(Long.toString(txKb) + " KBs");
                if (txKb >= 1024) {
                    // MB or more
                    long txMB = txKb / 1024;
                    TX.setText(Long.toString(txMB) + " MBs");
                    if (txMB >= 1024) {
                        // GB or more
                        long txGB = txMB / 1024;
                        TX.setText(Long.toString(txGB));
                    }// rxMB>1024
                }// rxKb > 1024
            }// rxBytes>=1024

            mHandler.postDelayed(mRunnable, 1000);
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mStartRX = TrafficStats.getTotalRxBytes();
        mStartTX = TrafficStats.getTotalTxBytes();

        if (mStartRX == TrafficStats.UNSUPPORTED
                || mStartTX == TrafficStats.UNSUPPORTED) {
            AlertDialog.Builder alert = new AlertDialog.Builder(this);
            alert.setTitle("Uh Oh!");
            alert.setMessage("Your device does not support traffic stat monitoring.");
            alert.show();

        } else {
            mHandler.postDelayed(mRunnable, 1000);

        }
    }
}

我认为这个问题可以有两种解决方法，一种方法是每秒找一些重置 trafficStats的方法。另一种方法是通过每秒从前一个值中减去新值来计算它。任何帮助都非常感谢

Answer 1

您可以在Android中以编程方式找到连接速度，如下所示：

WifiManager wifiManager = Context.getSystemService(Context.WIFI_SERVICE);

    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    if (wifiInfo != null) {
        Integer linkSpeed = wifiInfo.getLinkSpeed(); //measured using WifiInfo.LINK_SPEED_UNITS
    }

请注意，如果您预计在其他可用网络上使用wifi，则应使用ConnectivityManager来声明首选网络，否则速度可能实际上并未使用

<强>更新

请检查以下代码，以帮助您

public static void Traffic(Context context){
  if (applications == null)   applications=loadAppInfomation(context);
  Iterator<AppInfo> iterator=applications.iterator();
  double temp_upload=0, temp_download=0;
  while (iterator.hasNext()) {
    AppInfo temp=iterator.next();
    temp_upload=TrafficStats.getUidTxBytes(temp.getUid()) / 1024.0;
    temp_download=TrafficStats.getUidRxBytes(temp.getUid()) / 1024.0;
    if (temp_upload <= 0)     temp_upload=0;
    if (temp_download <= 0)     temp_download=0;
    temp.setUL(temp_upload);
    temp.setDL(temp_download);
  }
}

Answer 2

 private Handler mHandler = new Handler();
private long mStartRX = 0;
private long mStartTX = 0;
private final Runnable mRunnable = new Runnable() {
    public void run() {
        long resetdownload=TrafficStats.getTotalRxBytes();

        long rxBytes = TrafficStats.getTotalRxBytes() - mStartRX;

        download.setText(Long.toString(rxBytes));
        spdtstdownlod.setText(" bytes");
        if (rxBytes >= 1024) {

            long rxKb = rxBytes / 1024;

            download.setText(Long.toString(rxKb));
            spdtstdownlod.setText(" KBs");
            if (rxKb >= 1024) {

                long rxMB = rxKb / 1024;

                download.setText(Long.toString(rxMB));
                spdtstdownlod.setText(" MBs");
                if (rxMB >= 1024) {

                    long rxGB = rxMB / 1024;

                    download.setText(Long.toString(rxGB));
                    spdtstdownlod.setText(" GBs");
                }
            }
        }

        mStartRX=resetdownload;

        long resetupload=TrafficStats.getTotalTxBytes();

        long txBytes = TrafficStats.getTotalTxBytes() - mStartTX;

        upload.setText(Long.toString(txBytes));
        spdtstupload.setText(" bytes");
        if (txBytes >= 1024) {

            long txKb = txBytes / 1024;

            upload.setText(Long.toString(txKb));
            spdtstupload.setText(" KBs");
            if (txKb >= 1024) {

                long txMB = txKb / 1024;

                upload.setText(Long.toString(txMB));
                spdtstupload.setText(" MBs");
                if (txMB >= 1024) {

                    long txGB = txMB / 1024;

                    upload.setText(Long.toString(txGB));
                    spdtstupload.setText(" GBs");
                }
            }
        }

        mStartTX=resetupload;

        mHandler.postDelayed(mRunnable, 1000);
    }
};

在android中显示上传和下载速度

2 个答案: