android.net.wifi.WifiManager Java Examples

@SuppressLint("PrivateApi")
WifiApManager(Context context) throws SecurityException, NoSuchMethodException {
    mWifiManager = (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
    if (mWifiManager != null)
        wifiApEnabled = mWifiManager.getClass().getDeclaredMethod("isWifiApEnabled");
    /*if (PPApplication.logEnabled()) {
        PPApplication.logE("$$$ WifiAP", "WifiApManager.WifiApManager-mWifiManager=" + mWifiManager);
        PPApplication.logE("$$$ WifiAP", "WifiApManager.WifiApManager-wifiApEnabled=" + wifiApEnabled);
    }*/
    if (Build.VERSION.SDK_INT >= 26) {
        mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        packageName = context.getPackageName();
    }
    else {
        if (mWifiManager != null) {
            wifiControlMethod = mWifiManager.getClass().getMethod("setWifiApEnabled", WifiConfiguration.class, boolean.class);
            wifiApConfigurationMethod = mWifiManager.getClass().getMethod("getWifiApConfiguration"/*,null*/);
            //wifiApState = mWifiManager.getClass().getMethod("getWifiApState");
        }
        /*if (PPApplication.logEnabled()) {
            PPApplication.logE("$$$ WifiAP", "WifiApManager.WifiApManager-wifiControlMethod=" + wifiControlMethod);
            PPApplication.logE("$$$ WifiAP", "WifiApManager.WifiApManager-wifiApConfigurationMethod=" + wifiApConfigurationMethod);
        }*/
    }
}
 

@SuppressWarnings("UnusedReturnValue")
private static boolean checkForExcessOpenNetworkAndSave(@NonNull final ContentResolver resolver, @NonNull final WifiManager wifiMgr) {
    final List<WifiConfiguration> configurations = wifiMgr.getConfiguredNetworks();
    sortByPriority(configurations);

    boolean modified = false;
    int tempCount = 0;
    final int numOpenNetworksKept = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1
            ? Settings.Secure.getInt(resolver, Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT, 10)
            : Settings.Secure.getInt(resolver, Settings.Secure.WIFI_NUM_OPEN_NETWORKS_KEPT, 10);

    for (int i = configurations.size() - 1; i >= 0; i--) {
        final WifiConfiguration config = configurations.get(i);
        if (Objects.equals(ConfigSecurities.SECURITY_NONE, ConfigSecurities.getSecurity(config))) {
            tempCount++;
            if (tempCount >= numOpenNetworksKept) {
                modified = true;
                wifiMgr.removeNetwork(config.networkId);
            }
        }
    }
    return !modified || wifiMgr.saveConfiguration();

}
 

@Override
   public void onReceive(Context context, Intent intent) {
	
if (!WifiManager.SUPPLICANT_STATE_CHANGED_ACTION.equals(intent.getAction())) {
           return;
    }				
	
       mLock.lock();
	
       WifiInfo info = mWifiManager.getConnectionInfo();
       if ( info.getNetworkId()==mNetworkID && info.getSupplicantState() == SupplicantState.COMPLETED ) {
           mIsConnnected = true;
           mCondition.signalAll();			
}
	
       mLock.unlock();	
   }
 

/**
 * 打开或关闭wifi
 * <p>需添加权限 {@code <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>}</p>
 *
 * @param enabled {@code true}: 打开<br>{@code false}: 关闭
 */
public static void setWifiEnabled(boolean enabled) {
    WifiManager wifiManager = (WifiManager) Utils.getContext().getApplicationContext().getSystemService(Context.WIFI_SERVICE);
    if (enabled) {
        if (!wifiManager.isWifiEnabled()) {
            wifiManager.setWifiEnabled(true);
        }
    } else {
        if (wifiManager.isWifiEnabled()) {
            wifiManager.setWifiEnabled(false);
        }
    }
}
 

public boolean isScanningDisabled ()
{
    WifiManager wifiManager = (WifiManager) MainActivity.mainActivity.getApplicationContext().getSystemService(MainActivity.WIFI_SERVICE);
    if (wifiManager.isScanAlwaysAvailable()) return false;
    //
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (bluetoothAdapter.isDiscovering()) return false;
    //
    return true;
}
 

public void forgetAllNetworks()
{
    WifiManager wifiManager = (WifiManager) MainActivity.mainActivity.getApplicationContext().getSystemService(MainActivity.WIFI_SERVICE);
    List<WifiConfiguration> list = wifiManager.getConfiguredNetworks();
    //
    for( WifiConfiguration i : list )
    {
        // Please Note: the app cannot make the system forget wifi configurations that were placed by the user or other apps.
        // Just the ones that this app has set.
        wifiManager.removeNetwork(i.networkId);
        wifiManager.saveConfiguration();
    }
}
 

@Override
protected void provide() {

    WifiManager wifiMgr = (WifiManager) this.getContext().getApplicationContext().getSystemService(Context.WIFI_SERVICE);

    if(wifiMgr.isWifiEnabled()) {
        Log.e("wifi","enabled");
        this.getContext().registerReceiver(this.wifiReceiver, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
        wifiMgr.startScan();
    }
    else{
        Log.e("wifi","not enabled");
        this.finish();
    }

}
 

@SuppressLint("WifiManagerPotentialLeak")
@Override
public void onCreate()
{
    super.onCreate();
    context = getApplicationContext();
    currentVideo = new YouTubeVideo();
    audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    currentVideoPosition = -1;
    mediaButtonFilter.setPriority(1000); //this line sets receiver priority

    // Create the Wifi lock (this does not acquire the lock, this just creates it)
    this.wifiLock = ((WifiManager) context.getSystemService(Context.WIFI_SERVICE)).createWifiLock(WifiManager.WIFI_MODE_FULL, "YTinBG_lock");
    initMediaSessions();
    initPhoneCallListener();
}
 

public static String getMacFeedId() {
    WifiManager wifi = (WifiManager) sContext.getSystemService(Context.WIFI_SERVICE);
    WifiInfo info = wifi.getConnectionInfo();
    if (info == null) {
        return null;
    }

    String mac = info.getMacAddress();
    if (mac == null) {
        return null;
    }

    String id;
    try {
        MessageDigest digest = MessageDigest.getInstance("MD5");
        digest.update(mac.getBytes());
        id = bytesToHexString(digest.digest());
    } catch (NoSuchAlgorithmException e) {
        id = String.valueOf(mac.hashCode());
    }

    return id;
}
 

/**
 * Start connecting to specific wifi network
 */
protected void handleWIFI() {
    WifiManager wifi = (WifiManager) getApplicationContext().getSystemService(WIFI_SERVICE);
    if (!wifi.isWifiEnabled()) {
        showWifiDisabledDialog();
    }
    else {
        if (!permisionLocationOn()) {
            setLocationPermission();
        } else {
            if (checkLocationTurnOn()) {
                connectToSpecificNetwork();
            }
        }
    }
}
 

private PluginResult executeEnableWifi(JSONArray inputs, CallbackContext callbackContext) {
  	Log.w(LOGTAG, "executeEnableWifi");

Context context = cordova.getActivity().getApplicationContext();
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);

boolean toEnable = true;
try {
	toEnable = inputs.getBoolean( 0 );
} catch (JSONException e) {
      Log.w(LOGTAG, String.format("Got JSON Exception: %s", e.getMessage()));
      return new PluginResult(Status.JSON_EXCEPTION);
}
      
wifiManager.setWifiEnabled( toEnable );
callbackContext.success();

  	return null;
  }
 

static VisibleWifi getConnectedWifi(Context context, WifiManager wifiManager) {
    if (!hasLocationAndWifiPermission(context)) {
        return VisibleWifi.NO_WIFI_INFO;
    }
    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    if (wifiInfo == null) {
        return VisibleWifi.NO_WIFI_INFO;
    }
    String ssid = wifiInfo.getSSID();
    if (ssid == null || UNKNOWN_SSID.equals(ssid)) {
        // No SSID.
        ssid = null;
    } else {
        // Remove double quotation if ssid has double quotation.
        if (ssid.startsWith("\"") && ssid.endsWith("\"") && ssid.length() > 2) {
            ssid = ssid.substring(1, ssid.length() - 1);
        }
    }
    String bssid = wifiInfo.getBSSID();
    // It's connected, so use current time.
    return VisibleWifi.create(ssid, bssid, null, sTimeProvider.getCurrentTime());
}
 

@Override
public void onResume() {
    super.onResume();

    if (!mNetworkMonitor.isConnectedToiWiFi() &&
            !mNetworkMonitor.isMobileAccessPointOn() &&
            mDialog == null) {
        showDialog();
    }

    IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction("android.net.conn.CONNECTIVITY_CHANGE");
    intentFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);

    registerReceiver(mConnectivityReceiver, intentFilter);
}
 

@Override
public void onReceive(Context content, Intent intent) {
    final String action = intent.getAction();
    if (action == null) return;

    if (action.equals(UsbManager.ACTION_USB_STATE)) {
        handleUsbAction(intent);
    } else if (action.equals(CONNECTIVITY_ACTION)) {
        handleConnectivityAction(intent);
    } else if (action.equals(WifiManager.WIFI_AP_STATE_CHANGED_ACTION)) {
        handleWifiApAction(intent);
    } else if (action.equals(Intent.ACTION_CONFIGURATION_CHANGED)) {
        mLog.log("OBSERVED configuration changed");
        updateConfiguration();
    }
}
 

public static String getLocalIpAddress()
{
	String address = "";
	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)
			{
				int ip = wifiInfo.getIpAddress();
				address = Formatter.formatIpAddress(ip);
			}
		}
	}
	return address;
}
 

/**
 * 过滤扫描结果
 *
 * @param context
 * @param bssid
 * @return
 */
public static ScanResult getScanResultsByBSSID(Context context, String bssid) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    ScanResult scanResult = null;
    boolean f = wifiManager.startScan();
    if (!f) {
        getScanResultsByBSSID(context, bssid);
    }
    List<ScanResult> list = wifiManager.getScanResults();
    if (list != null) {
        for (int i = 0; i < list.size(); i++) {
            scanResult = list.get(i);
            if (scanResult.BSSID.equals(bssid)) {
                break;
            }
        }
    }
    return scanResult;
}
 

public String getCurrentWifiSSID()
{
    WifiManager wifiManager = (WifiManager) MainActivity.mainActivity.getApplicationContext().getSystemService(MainActivity.WIFI_SERVICE);
    WifiInfo info = wifiManager.getConnectionInfo ();
    String ssid = info.getSSID();
    if (info.getSupplicantState() != SupplicantState.COMPLETED)
    {
        MainActivity.log("OBConnectionManager:getCurrentWifiSSID. not connected to current wifi. returning null");
        return null;
    }
    if (ssid.charAt(0) == '"' && ssid.charAt(ssid.length() - 1) == '"')
    {
        return ssid.substring(1, ssid.length() - 1);
    }
    else
    {
        return ssid;
    }
}
 

public static boolean isWifiActive(Context ctx)
{
    WifiManager wifi = (WifiManager) ctx.getSystemService(ctx.WIFI_SERVICE);

    if(wifi.getWifiState() != WifiManager.WIFI_STATE_ENABLED )
    {

        return false;
    } else {

        if(getIP(ctx).equalsIgnoreCase("0.0.0.0"))
        {
            return false;

        } else {
            return true;
        }


    }
}
 

protected final String p()
{
    if (m == null && a != null)
    {
        d = (WifiManager)a.getSystemService("wifi");
        if (d != null && d.getConnectionInfo() != null)
        {
            m = d.getConnectionInfo().getMacAddress();
            if (m != null && m.length() > 0)
            {
                m = m.replace(":", "");
            }
        }
    }
    if (m != null)
    {
        return m;
    } else
    {
        return "";
    }
}
 

@BeforeClass
public void setUp() {
    mMockContext = mock(Context.class);
    mMockPreferences = mock(SharedPreferences.class);
    when(mMockContext.getSharedPreferences("com.cloudant.preferences", Context.MODE_PRIVATE)).thenReturn(mMockPreferences);
    when(mMockContext.getPackageName()).thenReturn("cloudant.com.androidtest");
    when(mMockContext.getDir(anyString(), anyInt())).thenReturn(new File("/data/data/cloudant.com.androidtest/files"));
    when(mMockContext.getApplicationContext()).thenReturn(mMockContext);
    mMockPreferencesEditor = mock(SharedPreferences.Editor.class);
    when(mMockPreferences.edit()).thenReturn(mMockPreferencesEditor);
    mMockAlarmManager = mock(AlarmManager.class);
    mMockWifiManager = mock(WifiManager.class);
    mMockWifiLock = mock(WifiManager.WifiLock.class);
    mMockReplicationPolicyManager = mock(ReplicationPolicyManager.class);
    mMockReplicators = new Replicator[]{mock(Replicator.class)};
}
 

/**
 * Returns true if the device is connected to Wi-Fi and the Wi-Fi filter for
 * automatic downloads is disabled or the device is connected to a Wi-Fi
 * network that is on the 'selected networks' list of the Wi-Fi filter for
 * automatic downloads and false otherwise.
 */
public static boolean autodownloadNetworkAvailable(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkInfo = cm.getActiveNetworkInfo();
    if (networkInfo != null) {
        if (networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
            if (AppConfig.DEBUG)
                Log.d(TAG, "Device is connected to Wi-Fi");
            if (networkInfo.isConnected()) {
                if (!UserPreferences.isEnableAutodownloadWifiFilter()) {
                    if (AppConfig.DEBUG)
                        Log.d(TAG, "Auto-dl filter is disabled");
                    return true;
                } else {
                    WifiManager wm = (WifiManager) context
                            .getSystemService(Context.WIFI_SERVICE);
                    WifiInfo wifiInfo = wm.getConnectionInfo();
                    List<String> selectedNetworks = Arrays
                            .asList(UserPreferences
                                    .getAutodownloadSelectedNetworks());
                    if (selectedNetworks.contains(Integer.toString(wifiInfo
                            .getNetworkId()))) {
                        if (AppConfig.DEBUG)
                            Log.d(TAG,
                                    "Current network is on the selected networks list");
                        return true;
                    }
                }
            }
        }
    }
    if (AppConfig.DEBUG)
        Log.d(TAG, "Network for auto-dl is not available");
    return false;
}
 

@Override
protected void onStart() {
    super.onStart();

    IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
    intentFilter.addAction(AudioManager.ACTION_HEADSET_PLUG);
    intentFilter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED);
    registerReceiver(wifiStateReceiver, intentFilter);
    registerReceiver(audioStreamReceiver, intentFilter);
}
 

/**
 * 获取mac地址
 * 
 * @param context
 * @return String
 */
public static String getLocalMacAddress(Context context) {
	WifiManager wifi = (WifiManager) context
			.getSystemService(Context.WIFI_SERVICE);
	WifiInfo info = wifi.getConnectionInfo();
	return info.getMacAddress();
}
 

private static String getAddressMacByFile(WifiManager wifiMan) throws Exception {
    String ret;
    int wifiState = wifiMan.getWifiState();

    wifiMan.setWifiEnabled(true);
    File fl = new File(fileAddressMac);
    FileInputStream fin = new FileInputStream(fl);
    ret = crunchifyGetStringFromStream(fin);
    fin.close();

    boolean enabled = WifiManager.WIFI_STATE_ENABLED == wifiState;
    wifiMan.setWifiEnabled(enabled);
    return ret;
}
 

public static int getWifiState(Context context)
{
    WifiManager wifimanager = (WifiManager)context.getSystemService("wifi");
    if (wifimanager == null)
    {
        return 4;
    } else
    {
        return wifimanager.getWifiState();
    }
}
 

public static boolean aquireWifiMulticast(Context context)
{
	boolean result = false;
	WifiManager wifiManager = (WifiManager)context.getSystemService(Context.WIFI_SERVICE);
	if(wifiManager != null)
	{
		wifiMulticastLock = wifiManager.createMulticastLock("PdDroidPartyMulticastLock");
		wifiMulticastLock.acquire();
		result = wifiMulticastLock.isHeld();
	}
	return result;
}
 

public NetWorkUtils(Context context) {
    this.context = context;
    mConnectivityManager = (ConnectivityManager) context
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    wm = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    isMobileDataEnable = isMobileNetWorkEnabled();
}
 

public static String getLocalIPAddress(Context context){
    WifiManager wifiManager = (WifiManager)context.getSystemService(Context.WIFI_SERVICE);
    int ipAddress = wifiManager.getConnectionInfo().getIpAddress();
    if(ipAddress == 0){
        try {
            Enumeration<NetworkInterface> enumerationNi = NetworkInterface.getNetworkInterfaces();
            while (enumerationNi.hasMoreElements()) {
                NetworkInterface networkInterface = enumerationNi.nextElement();
                String interfaceName = networkInterface.getDisplayName();
                if (interfaceName.equals("eth0") || interfaceName.equals("wlan0")) {
                    Enumeration<InetAddress> enumIpAddr = networkInterface.getInetAddresses();

                    while (enumIpAddr.hasMoreElements()) {
                        InetAddress inetAddress = enumIpAddr.nextElement();
                        if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
                            return inetAddress.getHostAddress();
                        }
                    }
                }
            }
        } catch (SocketException e) {
            Log.e(IMEService.TAG, "获取本地IP出错", e);
        }
    }else {
        return String.format("%d.%d.%d.%d", (ipAddress & 0xff), (ipAddress >> 8 & 0xff), (ipAddress >> 16 & 0xff), (ipAddress >> 24 & 0xff));
    }
    return "0.0.0.0";
}
 

@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;
}
 

/**
 * Gets the ip address.
 *
 * @param context Context of application
 * @return Returns ip address
 */
public static String getIPAddress(final Context context) {
    Context appContext = context.getApplicationContext();
    WifiManager wifiManager = (WifiManager) appContext.getSystemService(Context.WIFI_SERVICE);
    ConnectivityManager cManager = (ConnectivityManager) appContext.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo network = cManager.getActiveNetworkInfo();
    String en0Ip = null;
    if (network != null) {
        switch (network.getType()) {
            case ConnectivityManager.TYPE_ETHERNET:
                try {
                    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 instanceof Inet4Address
                                    && !inetAddress.getHostAddress().equals("127.0.0.1")) {
                                en0Ip = inetAddress.getHostAddress();
                                break;
                            }
                        }
                    }
                } catch (SocketException e) {
                    Log.e("DConnectUtil", "Get Ethernet IP Error", e);
                }
        }
    }

    if (en0Ip != null) {
        return en0Ip;
    } else {
        int ipAddress = wifiManager.getConnectionInfo().getIpAddress();
        return String.format(Locale.getDefault(), "%d.%d.%d.%d",
                (ipAddress & 0xff), (ipAddress >> 8 & 0xff),
                (ipAddress >> 16 & 0xff), (ipAddress >> 24 & 0xff));
    }
}