Example usage for android.net.wifi WifiManager getDhcpInfo

Introduction

In this page you can find the example usage for android.net.wifi WifiManager getDhcpInfo.

Prototype

public DhcpInfo getDhcpInfo() 

Source Link

Document

Return the DHCP-assigned addresses from the last successful DHCP request, if any.

Usage

From source file:am.project.x.utils.ContextUtils.java

/**
 * ?WIFI IP?/*from  w w  w  . j  a va2 s .  com*/
 *
 * @param context Context
 * @return IP?
 */
public static String getWifiIp(Context context) {
    final WifiManager manager = (WifiManager) context.getApplicationContext()
            .getSystemService(Context.WIFI_SERVICE);
    if (manager == null)
        return "0.0.0.0";
    final DhcpInfo info = manager.getDhcpInfo();
    if (info == null)
        return "0.0.0.0";
    final int ip = info.ipAddress;
    return (0xFF & ip) + "." + (0xFF & ip >> 8) + "." + (0xFF & ip >> 16) + "." + (0xFF & ip >> 24);
}

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From source file:org.rm3l.ddwrt.utils.Utils.java

@Nullable
public static InetAddress getBroadcastAddress(@Nullable final WifiManager wifiManager) throws IOException {
    if (wifiManager == null) {
        return null;
    }/*from  w  w w  . j a v  a  2 s . c  om*/
    final DhcpInfo dhcpInfo = wifiManager.getDhcpInfo();
    if (dhcpInfo == null) {
        return null;
    }
    final int broadcast = (dhcpInfo.ipAddress & dhcpInfo.netmask) | ~dhcpInfo.netmask;
    final byte[] quads = new byte[4];
    for (int k = 0; k < 4; k++) {
        quads[k] = (byte) ((broadcast >> k * 8) & 0xFF);
    }
    return InetAddress.getByAddress(quads);
}

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From source file:totalcross.android.ConnectionManager4A.java

public static String getLocalHost() {
    try {//from w w w.j  ava2 s .  c o m
        ConnectivityManager connMgr = (ConnectivityManager) Launcher4A.loader
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        int type = connMgr.getActiveNetworkInfo().getType();
        if (type == ConnectivityManager.TYPE_WIFI) {
            WifiManager wifiMgr = (WifiManager) Launcher4A.loader.getSystemService(Context.WIFI_SERVICE);
            return ipAddressToString(wifiMgr.getDhcpInfo().ipAddress);
        }
        String ip = getLocalIpAddress();
        return ip != null ? ip : InetAddress.getLocalHost().getHostAddress();
    } catch (Exception e) {
    }
    return "127.0.0.1";
}

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From source file:org.basdroid.common.NetworkUtils.java

public static String getApIpAddr(Context context) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    DhcpInfo dhcpInfo = wifiManager.getDhcpInfo();
    byte[] ipAddress = convert2Bytes(dhcpInfo.serverAddress);
    try {/*from w w w .  j  a v a2  s . c o m*/
        String apIpAddr = InetAddress.getByAddress(ipAddress).getHostAddress();
        return apIpAddr;
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:us.nineworlds.serenity.core.services.GDMService.java

protected InetAddress getBroadcastAddress() throws IOException {
    WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
    DhcpInfo dhcp = wifi.getDhcpInfo();
    // handle null somehow

    int broadcast = (dhcp.ipAddress & dhcp.netmask) | ~dhcp.netmask;
    byte[] quads = new byte[4];
    for (int k = 0; k < 4; k++)
        quads[k] = (byte) (broadcast >> k * 8);
    return InetAddress.getByAddress(quads);
}

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From source file:com.ionicsdk.discovery.Discovery.java

InetAddress getBroadcastAddress() throws Exception {
    WifiManager wifi = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
    DhcpInfo dhcp = wifi.getDhcpInfo();
    // handle null somehow

    int broadcast = (dhcp.ipAddress & dhcp.netmask) | ~dhcp.netmask;
    byte[] quads = new byte[4];
    for (int k = 0; k < 4; k++)
        quads[k] = (byte) ((broadcast >> k * 8) & 0xFF);
    InetAddress addr = InetAddress.getByAddress(quads);

    Log.d(TAG, "Got broadcast addr:" + addr);
    return addr;/* w  ww  . j a  v a2 s . c o  m*/
}

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From source file:com.drinviewer.droiddrinviewer.DrinViewerBroadcastReceiver.java

private String getWiFiBroadcastAddress(Context context) {
    String bcastaddr = null;/*from w ww .  j a v  a 2 s .  com*/
    WifiManager mWifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    DhcpInfo dhcp = mWifi.getDhcpInfo();

    if (mWifi.isWifiEnabled() && dhcp != null) {
        int broadcast = (dhcp.ipAddress & dhcp.netmask) | ~dhcp.netmask;
        byte[] quads = new byte[4];
        for (int k = 0; k < 4; k++)
            quads[k] = (byte) ((broadcast >> k * 8) & 0xFF);

        try {
            bcastaddr = InetAddress.getByAddress(quads).getHostAddress();
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
    }
    return bcastaddr;
}

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From source file:org.brandroid.openmanager.fragments.DialogHandler.java

public static String getNetworkInfo(Context c) {
    String ret = getNetworkInterfaces();

    ConnectivityManager conman = (ConnectivityManager) c.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (conman == null)
        ret += "No Connectivity?\n";
    else {/*w  ww .  j a va  2 s. c o m*/
        ret += "Connectivity Info:\n" + conman.toString() + "\n";
        for (NetworkInfo ni : conman.getAllNetworkInfo()) {
            if (!ni.isAvailable())
                continue;
            ret += "Network [" + ni.getTypeName() + "]: " + getNetworkInfoInfo(ni) + "\n";
        }
    }
    try {
        WifiManager wifi = (WifiManager) c.getSystemService(Context.WIFI_SERVICE);
        if (wifi == null)
            ret += "No wifi\n";
        else {
            ret += "Wifi Info:\n" + wifi.toString() + "\n";
            ret += "Status: " + (wifi.isWifiEnabled() ? "ENABLED" : "DISABLED") + "\n";
            ret += "ip=" + getReadableIP(wifi.getConnectionInfo().getIpAddress()) + "/ " + "mac="
                    + wifi.getConnectionInfo().getMacAddress() + "/ " + "b="
                    + wifi.getConnectionInfo().getBSSID() + "/ " + "s=" + wifi.getConnectionInfo().getSSID();
            DhcpInfo dh = wifi.getDhcpInfo();
            if (dh == null)
                ret += "No DHCP\n";
            else {
                ret += "IP: " + getReadableIP(dh.ipAddress) + "\n";
                ret += "Gateway: " + getReadableIP(dh.gateway) + "\n";
                ret += "DNS: " + getReadableIP(dh.dns1) + " " + getReadableIP(dh.dns2) + "\n";
            }
        }
    } catch (SecurityException sec) {
        ret += "No Wifi permissions.\n";
    }
    return ret;
}

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From source file:com.ifoer.util.NetPOSPrinter.java

public int printPic(Bitmap bmp) {
    WifiManager wifi_service = (WifiManager) this.mContext.getSystemService("wifi");
    DhcpInfo dhcpinfo = wifi_service.getDhcpInfo();
    WifiInfo wifi_info = wifi_service.getConnectionInfo();
    if (wifi_info != null && wifi_info.getSSID() != null && !wifi_info.getSSID().startsWith("X-431PRINTER")) {
        return PRINT_NOT_CONNECT;
    }/*from  w w w .j  a va 2 s. c o m*/
    this.serverAddress = dhcpinfo.serverAddress;
    try {
        this.wifiSocket = new Socket(Formatter.formatIpAddress(this.serverAddress), PRINT_PORT);
        this.dos = new DataOutputStream(this.wifiSocket.getOutputStream());
        this.in = new DataInputStream(this.wifiSocket.getInputStream());
    } catch (UnknownHostException e1) {
        e1.printStackTrace();
    } catch (IOException e12) {
        e12.printStackTrace();
    }
    if (this.dos == null || this.in == null) {
        return PRINT_NOT_CONNECT;
    }
    byte[] data = new byte[3];
    data[0] = (byte) 27;
    data[ERROR_PRINT_JAM] = (byte) 51;
    try {
        this.dos.write(data, 0, data.length);
        data[0] = (byte) 0;
        data[ERROR_PRINT_JAM] = (byte) 0;
        data[ERROR_PRINT_WILL_NO_PAPER] = (byte) 0;
    } catch (IOException e122) {
        e122.printStackTrace();
    }
    byte[] escj = new byte[3];
    escj[0] = (byte) 27;
    escj[ERROR_PRINT_JAM] = (byte) 74;
    int i = 3;
    byte[] esccheck = new byte[] { (byte) 29, (byte) 114, (byte) 73 };
    byte[] escBmp = new byte[5];
    escBmp[0] = (byte) 27;
    escBmp[ERROR_PRINT_JAM] = (byte) 42;
    escBmp[ERROR_PRINT_WILL_NO_PAPER] = SmileConstants.TOKEN_LITERAL_NULL;
    escBmp[3] = (byte) (bmp.getWidth() % KEYRecord.OWNER_ZONE);
    escBmp[ERROR_PRINT_NO_PAPER] = (byte) (bmp.getWidth() / KEYRecord.OWNER_ZONE);
    for (int i2 = 0; i2 < (bmp.getHeight() / 24) + ERROR_PRINT_JAM; i2 += ERROR_PRINT_JAM) {
        try {
            this.dos.write(escBmp, 0, escBmp.length);
        } catch (IOException e) {
            e.printStackTrace();
        }
        for (int j = 0; j < bmp.getWidth(); j += ERROR_PRINT_JAM) {
            for (int k = 0; k < 24; k += ERROR_PRINT_JAM) {
                if ((i2 * 24) + k < bmp.getHeight()) {
                    if (Color.red(bmp.getPixel(j, (i2 * 24) + k)) == 0) {
                        int i3 = k / ERROR_PRINT_ACTUATOR_FAULT;
                        data[i3] = (byte) (data[i3]
                                + ((byte) (ERROR_PRINT_HEAD_OVERHEATING >> (k % ERROR_PRINT_ACTUATOR_FAULT))));
                    }
                }
            }
            try {
                this.dos.write(data, 0, data.length);
                data[0] = (byte) 0;
                data[ERROR_PRINT_JAM] = (byte) 0;
                data[ERROR_PRINT_WILL_NO_PAPER] = (byte) 0;
            } catch (IOException e2) {
                e2.printStackTrace();
            }
        }
        try {
            if (i2 % 10 == 0) {
                this.dos.write(esccheck);
                if (this.in.readByte() == null) {
                    this.dos.write(escj, 0, escj.length);
                }
            } else {
                this.dos.write(escj, 0, escj.length);
            }
        } catch (IOException e22) {
            e22.printStackTrace();
        }
    }
    i = 3;
    byte[] escf = new byte[] { (byte) 29, (byte) 122, (byte) 49 };
    i = 3;
    byte[] esck = new byte[] { (byte) 27, (byte) 74, (byte) 64 };
    try {
        this.dos.write(escf);
        this.dos.write(esck);
        this.result = this.in.readByte();
        try {
            this.dos.close();
            this.in.close();
        } catch (IOException e222) {
            e222.printStackTrace();
        }
        return this.result;
    } catch (IOException e3) {
        return PRINT_NOT_CONNECT;
    }
}

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From source file:com.adamkruger.myipaddressinfo.NetworkInfoFragment.java

private void refreshData() {
    Context context = getActivity();
    ConnectivityManager connectivityManager = (ConnectivityManager) context
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    mNetworkInfo = connectivityManager.getActiveNetworkInfo();
    mNetworkInterfaceInfos = getNetworkInterfaceInfos();
    mDNSes = getActiveNetworkDnsResolvers(context);
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    mWifiEnabled = wifiManager.isWifiEnabled();
    mWifiInfo = wifiManager.getConnectionInfo();
    mDhcpInfo = wifiManager.getDhcpInfo();
}

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