Java Code Examples for android.net.wifi.WifiInfo

private void loadSystemValues(HashMap<String, String> values) {
    Context context = getContext();
    //noinspection deprecation
    putIfMissing(values, DevicePolicyManager.EXTRA_PROVISIONING_DEVICE_ADMIN_PACKAGE_NAME,
            "com.example.android.deviceowner");
    if (Build.VERSION.SDK_INT >= 23) {
        putIfMissing(values, DevicePolicyManager.EXTRA_PROVISIONING_DEVICE_ADMIN_COMPONENT_NAME,
                "com.example.android.deviceowner/.DeviceOwnerReceiver");
    }
    putIfMissing(values, DevicePolicyManager.EXTRA_PROVISIONING_LOCALE,
            CompatUtils.getPrimaryLocale(context.getResources().getConfiguration()).toString());
    putIfMissing(values, DevicePolicyManager.EXTRA_PROVISIONING_TIME_ZONE,
            TimeZone.getDefault().getID());
    if (!values.containsKey(DevicePolicyManager.EXTRA_PROVISIONING_WIFI_SSID)) {
        WifiManager wifiManager = (WifiManager) context
                .getSystemService(Activity.WIFI_SERVICE);
        WifiInfo info = wifiManager.getConnectionInfo();
        if (info.getNetworkId() != -1) { // Connected to network
            values.put(DevicePolicyManager.EXTRA_PROVISIONING_WIFI_SSID,
                    trimSsid(info.getSSID()));
        }
    }
}
 

/**
 * result[0] is self ip,result[1] is host ip,result[2] is isWifiEnable,true or false.
 */
public static ArrayList<String> getWifiHostAndSelfIP(Context context) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    String isWifiEnable;
    if (!wifiManager.isWifiEnabled()) {
        isWifiEnable = "false";
    } else
        isWifiEnable = "true";
    ArrayList<String> result = new ArrayList<>();
    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    String IPAddress = intToIp(wifiInfo.getIpAddress());
    result.add(IPAddress);

    DhcpInfo dhcpinfo = wifiManager.getDhcpInfo();
    String serverAddress = intToIp(dhcpinfo.serverAddress);
    result.add(serverAddress);

    result.add(isWifiEnable);
    return result;
}
 

public static String getConnectedWifiMacAddress(Application context) {
    String connectedWifiMacAddress = null;
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    List<ScanResult> wifiList;

    if (wifiManager != null) {
        wifiList = wifiManager.getScanResults();
        WifiInfo info = wifiManager.getConnectionInfo();
        if (wifiList != null && info != null) {
            for (int i = 0; i < wifiList.size(); i++) {
                ScanResult result = wifiList.get(i);
                if (!TextUtils.isEmpty(info.getBSSID()) && info.getBSSID().equals(result.BSSID)) {
                    connectedWifiMacAddress = result.BSSID;
                }
            }
        }
    }
    return connectedWifiMacAddress;
}
 

private void mockDeviceDiscoveryResult(String ssid) {
    ScanResult scanResult = mock(ScanResult.class);
    scanResult.SSID = ssid;
    scanResult.capabilities = "WEP";
    //mock wifi wrapper to return fake photon device in scan results
    List<ScanResult> scanResultList = new ArrayList<>();
    scanResultList.add(scanResult);
    when(wifiFacade.getScanResults()).thenReturn(scanResultList);
    //create fake wifi info object for fake photon device
    WifiInfo wifiInfo = mock(WifiInfo.class);
    when(wifiInfo.getSSID()).thenReturn(ssid);
    when(wifiInfo.getNetworkId()).thenReturn(5);
    //mock wifi wrapper to return fake photon device as "connected" network
    when(wifiFacade.getCurrentlyConnectedSSID()).thenReturn(SSID.from(ssid));
    when(wifiFacade.getConnectionInfo()).thenReturn(wifiInfo);
    //mock device discovery process worker to do nothing (would throw exception),
    //doing nothing would mean successful connection to ap
    try {
        doNothing().when(discoverProcessWorker).doTheThing();
    } catch (SetupStepException e) {
        e.printStackTrace();
    }
}
 

@Override
public void onReceive(final Context context, final Intent intent) {
    String action = intent.getAction();
    if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(action)) {
        WifiManager wifiMgr = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
        WifiInfo wifiInfo = wifiMgr.getConnectionInfo();
        if (wifiInfo != null) {
            onNetworkChanged(wifiInfo);
        }
    } else if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(action)) {
        int state = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, WifiManager.WIFI_STATE_UNKNOWN);
        switch (state) {
            case WifiManager.WIFI_STATE_DISABLED:
                onWiFiDisabled();
                break;
            case WifiManager.WIFI_STATE_ENABLED:
                onWiFiEnabled();
                break;
            default:
                break;
        }
    }
}
 

public static String getWifiSSID() {
    try {
        final WifiManager wifi_manager = (WifiManager) xdrip.getAppContext().getApplicationContext().getSystemService(Context.WIFI_SERVICE);
        if (wifi_manager.isWifiEnabled()) {
            final WifiInfo wifiInfo = wifi_manager.getConnectionInfo();
            if (wifiInfo != null) {
                final NetworkInfo.DetailedState wifi_state = WifiInfo.getDetailedStateOf(wifiInfo.getSupplicantState());
                if (wifi_state == NetworkInfo.DetailedState.CONNECTED
                        || wifi_state == NetworkInfo.DetailedState.OBTAINING_IPADDR
                        || wifi_state == NetworkInfo.DetailedState.CAPTIVE_PORTAL_CHECK) {
                    String ssid = wifiInfo.getSSID();
                    if (ssid.equals("<unknown ssid>")) return null; // WifiSsid.NONE;
                    if (ssid.charAt(0) == '"') ssid = ssid.substring(1);
                    if (ssid.charAt(ssid.length() - 1) == '"')
                        ssid = ssid.substring(0, ssid.length() - 1);
                    return ssid;
                }
            }
        }
    } catch (Exception e) {
        Log.e(TAG, "Got exception in getWifiSSID: " + e);
    }
    return null;
}
 

/**
 * wifi
 *
 * @param mContext
 * @return
 */
private static void getDetailsWifiInfo(Context mContext, SignalBean signalBean) {
    try {
        WifiInfo mWifiInfo = getWifiInfo(mContext);
        int ip = mWifiInfo.getIpAddress();
        String strIp = "" + (ip & 0xFF) + "." + ((ip >> 8) & 0xFF) + "." + ((ip >> 16) & 0xFF) + "." + ((ip >> 24) & 0xFF);
        signalBean.setBssid(mWifiInfo.getBSSID());
        signalBean.setSsid(mWifiInfo.getSSID().replace("\"", ""));
        signalBean.setnIpAddress(strIp);
        signalBean.setMacAddress(getMac(mContext));
        signalBean.setNetworkId(mWifiInfo.getNetworkId());
        signalBean.setLinkSpeed(mWifiInfo.getLinkSpeed() + "Mbps");
        int rssi = mWifiInfo.getRssi();
        signalBean.setRssi(rssi);
        signalBean.setLevel(calculateSignalLevel(rssi));
        isWifiProxy(mContext, signalBean);
        signalBean.setSupplicantState(mWifiInfo.getSupplicantState().name());
        signalBean.setnIpAddressIpv6(getNetIP());
    } catch (Exception e) {
        Log.i(TAG, e.toString());
    }

}
 

private boolean checkWifiOnAndConnected() {
    WifiManager wifiMgr = (WifiManager) this.getSystemService(Context.WIFI_SERVICE);

    if (wifiMgr == null) {
        return false;
    }

    if (wifiMgr.isWifiEnabled()) { // Wi-Fi adapter is ON

        WifiInfo wifiInfo = wifiMgr.getConnectionInfo();

        return wifiInfo.getNetworkId() != -1;
    }
    else {
        return false; // Wi-Fi adapter is OFF
    }
}
 

/**
 * wifi获取ip
 */
public String getIp(Application context) {
    try {
        //获取wifi服务
        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        if (wifiManager == null) {
            return null;
        }
        //判断wifi是否开启
        if (!wifiManager.isWifiEnabled()) {
            wifiManager.setWifiEnabled(true);
        }
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
        int ipAddress = wifiInfo.getIpAddress();
        String ip = intToIp(ipAddress);
        return ip;
    } catch (Exception e) {

    }
    return null;
}
 

/**
 * Start to connect to a specific wifi network
 */
private void connectToSpecificNetwork() {
    final WifiManager wifi = (WifiManager) getContext().getApplicationContext().getSystemService(Context.WIFI_SERVICE);
    ConnectivityManager cm = (ConnectivityManager) getContext().getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkInfo = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
    WifiInfo wifiInfo = wifi.getConnectionInfo();
    if (networkInfo.isConnected() && wifiInfo.getSSID().replace("\"", "").equals(getWifiSSID())) {
        return;
    }
    else {
        wifi.disconnect();
    }
    progressDialog = ProgressDialog.show(getContext(), getContext().getString(R.string.connecting), String.format(getContext().getString(R.string.connecting_to_wifi), getWifiSSID()));
    taskHandler = worker.schedule(new TimeoutTask(), getSecondsTimeout(), TimeUnit.SECONDS);
    scanReceiver = new ScanReceiver();
    getContext().registerReceiver(scanReceiver
            , new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
    wifi.startScan();
}
 

/**
 * 获取手机的Mac地址
 * @param context
 * @return
 */
@SuppressLint("MissingPermission")
public static String getMacAddress(Context context) {
	String macAddress = "";
	WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
	if (wifiManager != null) {
		try {
			WifiInfo wifiInfo = wifiManager.getConnectionInfo();
			macAddress = wifiInfo != null ? wifiInfo.getMacAddress() : "";
		} catch (Exception e) {
			e.printStackTrace(System.out);
		}
	}

	return macAddress;
}
 

public static int getWifiRssi(Context context) {
    int asu = 85;
    try {
        final NetworkInfo network = ((ConnectivityManager) context.getApplicationContext()
                .getSystemService(Context.CONNECTIVITY_SERVICE))
                .getActiveNetworkInfo();
        if (network != null && network.isAvailable() && network.isConnected()) {
            final int type = network.getType();
            if (type == ConnectivityManager.TYPE_WIFI) {
                final WifiManager wifiManager = (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE);

                final WifiInfo wifiInfo = wifiManager.getConnectionInfo();
                if (wifiInfo != null) {
                    asu = wifiInfo.getRssi();
                }
            }
        }
    } catch (Exception e) {
        Log.e("getWifiRssi", "" + e.getMessage(), e);
    }
    return asu;
}
 

/**
 * Start to connect to a specific wifi network
 */
private void connectToSpecificNetwork() {
    final WifiManager wifi = (WifiManager) getApplicationContext().getSystemService(WIFI_SERVICE);
    ConnectivityManager cm = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
    NetworkInfo networkInfo = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
    WifiInfo wifiInfo = wifi.getConnectionInfo();
    if (networkInfo.isConnected() && wifiInfo.getSSID().replace("\"", "").equals(getWifiSSID())) {
        return;
    }
    else {
        wifi.disconnect();
    }
    progressDialog = ProgressDialog.show(this, getString(R.string.connecting), String.format(getString(R.string.connecting_to_wifi), getWifiSSID()));
    taskHandler = worker.schedule(new TimeoutTask(), getSecondsTimeout(), TimeUnit.SECONDS);
    scanReceiver = new ScanReceiver();
    registerReceiver(scanReceiver
            , new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
    wifi.startScan();
}
 

public static String getNetworkName()
{
	String ssid = "";
	WifiManager manager = (WifiManager)App.getContext().getApplicationContext().getSystemService(Context.WIFI_SERVICE);
	if (manager.isWifiEnabled())
	{
		WifiInfo wifiInfo = manager.getConnectionInfo();
		if (wifiInfo != null)
		{
			NetworkInfo.DetailedState state = WifiInfo.getDetailedStateOf(wifiInfo.getSupplicantState());
			if (state == NetworkInfo.DetailedState.CONNECTED || state == NetworkInfo.DetailedState.OBTAINING_IPADDR)
			{
				ssid = wifiInfo.getSSID();
				if (ssid == null) ssid = "";
				ssid = ssid.replaceAll("^\"|\"$", "");
				if (ssid.equals("<unknown ssid>"))
				{
					ssid = App.getStr(R.string.unknown_network);
				}
			}
		}
	}
	return ssid;
}
 

@RequiresPermission(ACCESS_WIFI_STATE_PERMISSION)
private static String getWifiMacAddressHash(Context context) {
  String logPrefix = "Skipping wifi device id; ";
  if (context.checkCallingOrSelfPermission(ACCESS_WIFI_STATE_PERMISSION) !=
      PackageManager.PERMISSION_GRANTED) {
    Log.v(logPrefix + "no wifi state permissions.");
    return null;
  }
  try {
    WifiManager manager = (WifiManager) context.getApplicationContext()
        .getSystemService(Context.WIFI_SERVICE);
    WifiInfo wifiInfo = manager.getConnectionInfo();
    if (wifiInfo == null) {
      Log.i(logPrefix + "null WifiInfo.");
      return null;
    }
    @SuppressLint("HardwareIds")
    String macAddress = wifiInfo.getMacAddress();
    if (macAddress == null || macAddress.isEmpty()) {
      Log.i(logPrefix + "no mac address returned.");
      return null;
    }
    if (Constants.INVALID_MAC_ADDRESS.equals(macAddress)) {
      // Note(ed): this is the expected case for Marshmallow and later, as they return
      // INVALID_MAC_ADDRESS; we intend to fall back to the Android id for Marshmallow devices.
      Log.v(logPrefix + "Marshmallow and later returns a fake MAC address.");
      return null;
    }
    @SuppressLint("HardwareIds")
    String deviceId = md5(wifiInfo.getMacAddress());
    Log.v("Using wifi device id: " + deviceId);
    return checkDeviceId("mac address", deviceId);
  } catch (Exception e) {
    Log.w("Error getting wifi MAC address.");
  }
  return null;
}
 

/**
 * Returns the unquoted name (SSID) of the currently active WiFi network or null if no network
 * is currently active or if the connection cannot be determined.
 *
 * @param context
 * @return
 */
public static String getCurrentWifiSsid (Context context) {
    WifiInfo wifiInfo = getCurrentWifiNetwork(context);

    if (wifiInfo != null && !StringUtils.isEmpty(wifiInfo.getSSID())) {
        return getUnquotedSsid(wifiInfo.getSSID());
    }

    return null;
}
 

@Override
public void onReceive(Context context, Intent intent) {
	WifiInfo info = ((WifiManager) context.getSystemService(Context.WIFI_SERVICE)).getConnectionInfo();
	if (info.getBSSID() == null) {
		mNavigationView.hideWIFI();
	}else {
		mNavigationView.showWIFI();
		mNavigationView.setWIFI(WifiManager.calculateSignalLevel(info.getRssi(), 5));
	}
}
 

@Nullable
public SSID getCurrentlyConnectedSSID() {
    WifiInfo connectionInfo = getConnectionInfo();
    if (connectionInfo == null) {
        log.w("getCurrentlyConnectedSSID(): WifiManager.getConnectionInfo() returned null");
        return null;
    } else {
        SSID ssid = SSID.from(connectionInfo);
        log.d("Currently connected to: " + ssid +
                ", supplicant state: " + connectionInfo.getSupplicantState());
        return ssid;
    }
}
 

String getWifiSSID() {
  final Intent intent = context.registerReceiver(
      null, new IntentFilter(WifiManager.NETWORK_STATE_CHANGED_ACTION));
  if (intent != null) {
    final WifiInfo wifiInfo = intent.getParcelableExtra(WifiManager.EXTRA_WIFI_INFO);
    if (wifiInfo != null) {
      final String ssid = wifiInfo.getSSID();
      if (ssid != null) {
        return ssid;
      }
    }
  }
  return "";
}
 

/**
 * 获取设备MAC地址
 * <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>}</p>
 *
 * @param context 上下文
 * @return MAC地址
 */
public static String getMacAddress(Context context) {
    WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    WifiInfo info = wifi.getConnectionInfo();
    if (info != null) {
        String macAddress = info.getMacAddress();
        if (macAddress != null) {
            return macAddress.replace(":", "");
        }
    }
    return null;
}
 

public NetInfo(Context context) {
    WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    if (isWifiConnected(context)) {
        WifiInfo wifiInfo = wifi.getConnectionInfo();
        localIp = IpTranslator.getIpFromIntSigned(wifiInfo.getIpAddress());
        netmaskIp = IpTranslator.getIpFromIntSigned(wifi.getDhcpInfo().netmask);
        gatewayIp = IpTranslator.getIpFromIntSigned(wifi.getDhcpInfo().gateway);
    }
}
 

public String getMacAddress() {
	WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
	if (wifi == null) {
		return "";
	}

	String mac = null;
	WifiInfo info = wifi.getConnectionInfo();
	if (info != null) {
		mac = info.getMacAddress();
	}
	return (mac == null) ? "" : mac;
}
 

WifiInfo wiFiInfo() {
    try {
        return wifiManager.getConnectionInfo();
    } catch (Exception e) {
        return null;
    }
}
 

public static boolean checkWifiState(Context context) {
	try {
		WifiManager mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
		WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
		if (!mWifiManager.isWifiEnabled() || wifiInfo.getSSID() == null) {
			return false;
		}

		return true;
	} catch (Exception e) {
		return false;
	}
}
 

public String getIPAddress() {
    NetworkInfo info = ((ConnectivityManager)
            getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
    if (info != null && info.isConnected()) {
        if (info.getType() == ConnectivityManager.TYPE_MOBILE) {//当前使用2G/3G/4G网络
            try {
                //Enumeration<NetworkInterface> en=NetworkInterface.getNetworkInterfaces();
                for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
                    NetworkInterface intf = en.nextElement();
                    for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                        InetAddress inetAddress = enumIpAddr.nextElement();
                        if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
                            return inetAddress.getHostAddress();
                        }
                    }
                }
            } catch (SocketException e) {
                e.printStackTrace();
            }

        } else if (info.getType() == ConnectivityManager.TYPE_WIFI) {//当前使用无线网络
            WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
            WifiInfo wifiInfo = wifiManager.getConnectionInfo();
            int ipAddress = wifiInfo.getIpAddress();
            if (ipAddress == 0) return "未连接wifi";
            return ((ipAddress & 0xff) + "." + (ipAddress >> 8 & 0xff) + "."
                    + (ipAddress >> 16 & 0xff) + "." + (ipAddress >> 24 & 0xff));
        }
    } else {
        //当前无网络连接,请在设置中打开网络
        return "当前无网络连接,请在设置中打开网络";
    }
    return "IP获取失败";
}
 

/**
 * Returns MAC Address of WiFi Adapter<br>
 * Requires READ_PHONE_STATE, ACCESS_NETWORK_STATE and ACCESS_WIFI_STATE
 * permissions<br>
 * 
 * @return String representing MAC Address of WiFi Adapter; Empty String in
 *         some cases such as No WiFi Adapter is installed or WiFi is turned
 *         off.
 */
public String getWifiMacAddress() {
	WifiManager wifiMan = (WifiManager) context
			.getSystemService(Context.WIFI_SERVICE);
	if (wifiMan != null) {
		WifiInfo wifiInf = wifiMan.getConnectionInfo();
		return wifiInf.getMacAddress();
	}
	return "";
}
 

/**
 * 获取本地Ip地址
 * 
 * @param context
 * @return
 */
public static String getLocalIpAddress(Context context) {
	WifiManager wifiManager = (WifiManager) context
			.getSystemService(Context.WIFI_SERVICE);
	WifiInfo wifiInfo = wifiManager.getConnectionInfo();
	if (wifiInfo != null && wifiInfo.getIpAddress() != 0) {
		return android.text.format.Formatter.formatIpAddress(wifiInfo
				.getIpAddress());
	} else {
		try {
			Enumeration<NetworkInterface> en = NetworkInterface
					.getNetworkInterfaces();
			while (en.hasMoreElements()) {
				NetworkInterface intf = en.nextElement();
				Enumeration<InetAddress> enumIpAddr = intf
						.getInetAddresses();
				while (enumIpAddr.hasMoreElements()) {
					InetAddress inetAddress = enumIpAddr.nextElement();
					if (!inetAddress.isLoopbackAddress()
							&& inetAddress.getHostAddress().indexOf(":") == -1) {
						String ipAddress = inetAddress.getHostAddress();
						if (!TextUtils.isEmpty(ipAddress)
								&& !ipAddress.contains(":")) {
							return ipAddress;
						}
					}
				}
			}
		} catch (SocketException e) {
			e.printStackTrace();
		}
	}
	return null;
}
 

@Override
public void process(StateMachineConnection sm) {
    WifiInfo connectedWifi = sm.mWifiHandler.getConnectedWifi();
    if (connectedWifi != null) {
        sm.mStateRegistry.wifiInfo = connectedWifi;
        sm.setCurrentState(State.WIFI_CONNECTED);
    } else {
        sm.setCurrentState(State.WIFI_DISCONNECTED);
    }
}
 

@Nullable
public static EventNetworkChange grabNetworkStatus(final Context context) {
    EventNetworkChange event = new EventNetworkChange();

    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (cm == null) return null;
    NetworkInfo activeNetwork = cm.getActiveNetworkInfo();

    if (activeNetwork != null) {
        if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI && activeNetwork.isConnected()) {
            event.setWifiConnected(true);
            WifiManager wifiManager = (WifiManager) MainApp.instance().getApplicationContext().getSystemService(Context.WIFI_SERVICE);
            if (wifiManager != null) {
                WifiInfo wifiInfo = wifiManager.getConnectionInfo();
                if (wifiInfo.getSupplicantState() == SupplicantState.COMPLETED) {
                    event.setSsid(wifiInfo.getSSID());
                }
                if (L.isEnabled(L.CORE))
                    log.debug("NETCHANGE: Wifi connected. SSID: " + event.connectedSsid());
            }
        }

        if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) {
            event.setMobileConnected(true);
            event.setRoaming(activeNetwork.isRoaming());
            if (L.isEnabled(L.CORE))
                log.debug("NETCHANGE: Mobile connected. Roaming: " + event.getRoaming());
        }
    } else {
        if (L.isEnabled(L.CORE))
            log.debug("NETCHANGE: Disconnected.");
    }

    lastEvent = event;
    return event;
}
 

/**
 * 生成Device对象
 * 
 * @param appKey
 * @param appPackage
 * @param deviceId
 * @param imei
 * @return
 */

public Device makeDevice(Context context, String appKey, String appPackage) {

	Device deviceInfo = this.getDeviceInfoByAppPackage(appPackage);
	if (deviceInfo == null || (deviceInfo.getAppKey() != null && !deviceInfo.getAppKey().equals(appKey))) {
		TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
		String imei = tm.getDeviceId();

		String macAddress = null;
		WifiManager wifiMgr = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
		WifiInfo info = (null == wifiMgr ? null : wifiMgr.getConnectionInfo());
		if (null != info) {
			macAddress = info.getMacAddress();
		}

		String deviceId = Md5Util.toMD5(SystemConsts.CHANNEL + appKey + macAddress + imei);
		if (deviceInfo == null) {
			deviceInfo = new Device();
		}
		deviceInfo.setAppKey(appKey);
		deviceInfo.setAppPackage(appPackage);
		deviceInfo.setDeviceId(deviceId);
		deviceInfo.setImei(imei);
		deviceInfo.setIsOnline(DEVICE_OFFLINE);
	}
	return deviceInfo;
}