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);
        }*/
    }
}
 

@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 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 "";
    }
}
 

@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();

}
 

@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)};
}
 

@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();
    }
}
 

/**
 * 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;
}
 

@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);
}
 

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;
}
 

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;
    }
}
 

@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();
    }

}
 

private WifiInfo getConnectionInfo() {
    Object service = getSystemService(WIFI_SERVICE);
    WifiManager manager = (WifiManager) service;
    WifiInfo info = manager.getConnectionInfo();
    if (info != null) {
        SupplicantState state = info.getSupplicantState();
        if (state.equals(SupplicantState.COMPLETED)) {
            return info;
        }
    }
    return null;
}
 

public void onReceive(Context paramContext, Intent paramIntent) {

        // wifi开关
        if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(paramIntent.getAction())) {
            int wifiState = paramIntent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 0);
            switch (wifiState) {
                case WifiManager.WIFI_STATE_DISABLED:
                case WifiManager.WIFI_STATE_ENABLED:
                    mListener.wifiStatusChange();
                    break;
            }
        }

        // 连接wifi
        else if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(paramIntent.getAction())) {
            mNetworkInfo = paramIntent.getParcelableExtra("networkInfo");

            /**
             * 当 DetailedState 变化为 CONNECTED 时，说明已连接成功，则通知Handler更新
             * 可避免WifiapActivity里出现重复获取IP的问题
             */
            if (mNetworkInfo.getDetailedState() == NetworkInfo.DetailedState.CONNECTED) {
                mListener.WifiConnected();
            }
        }

    }
 

public boolean connectWiFi(String SSID, String password, int Type) {
    if (wifiManager.getWifiState() == WifiManager.WIFI_STATE_DISABLED) {
        wifiManager.setWifiEnabled(true);
    }
    WifiConfiguration config = createWiFiInfo(SSID, password, Type);
    return addNetwork(config);
}
 

/**
 * 获取WIFI IP地址
 *
 * @param context Context
 * @return IP地址
 */
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);
}
 

private void resolvePhoneIp() throws Exception{
    WifiManager wm = (WifiManager) context.getApplicationContext().getSystemService(WIFI_SERVICE);
    if (wm == null)
        throw new Exception("NET: Unable to auto-resolve IP address.");

    int intIp = wm.getConnectionInfo().getIpAddress();
    phoneIp = String.format(Locale.US, "%d.%d.%d.%d",
            (intIp & 0xff),
            (intIp >> 8 & 0xff),
            (intIp >> 16 & 0xff),
            (intIp >> 24 & 0xff));
    if (phoneIp.equals("0.0.0.0"))
        throw new Exception("NET: Unable to auto-resolve IP address (0.0.0.0)");
}
 

@RequiresPermission(Manifest.permission.CHANGE_WIFI_STATE)
public WiFiScanner(Context context, WiFiScanListener wiFiScanListener) {

    this.context = context;
    this.wiFiScanListener = wiFiScanListener;
    results = new ArrayList<>();
    wifiManager = (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE);

    if (!wifiManager.isWifiEnabled()) {

        wifiManager.setWifiEnabled(true);
    }
}
 

private static void changeNetworkWPA(WifiManager wifiManager, WifiParsedResult wifiResult) {
  WifiConfiguration config = changeNetworkCommon(wifiResult);
  // Hex passwords that are 64 bits long are not to be quoted.
  config.preSharedKey = quoteNonHex(wifiResult.getPassword(), 64);
  config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
  config.allowedProtocols.set(WifiConfiguration.Protocol.WPA); // For WPA
  config.allowedProtocols.set(WifiConfiguration.Protocol.RSN); // For WPA2
  config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
  config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_EAP);
  config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
  config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
  config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
  config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
  updateNetwork(wifiManager, config);
}
 

/**
 * 判断Wifi是否打开，需要ACCESS_WIFI_STATE权限
 *
 * @param context 上下文
 * @return true：打开；false：关闭
 */
public static boolean isWifiOpen(Context context) throws Exception {
    int wifiState = getWifiState(context);
    return wifiState == WifiManager.WIFI_STATE_ENABLED ||
            wifiState == WifiManager.WIFI_STATE_ENABLING
            ? true
            : false;
}
 

private DeviceNetworkStatus(final Context context) {
    this.context = context;
    wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    receiverWifi = new WifiReceiver();

    // Register broadcast receiver
    // Broacast receiver will automatically call when number of wifi connections changed
    context.registerReceiver(receiverWifi, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
    // start scanning wifi
    startWifiScan();

    info = getNetworkInfo(context);
    mapper = new ObjectMapper();
}
 

@Override
public WifiInfo get() {
    WifiManager wifiManager = mContext.getSystemService(WifiManager.class);
    if (wifiManager != null) {
        return wifiManager.getConnectionInfo();
    }
    Log.w(TAG, "WifiManager is null, failed to return the WifiInfo.");
    return null;
}