Examples with ConnectivityManager android.net.ConnectivityManager used on opensource projects

Example 46 with ConnectivityManager

use of android.net.ConnectivityManager in project LollipopShowcase by mikepenz.

the class Network method isAvailiable.

public static boolean isAvailiable(Context ctx) {
    ConnectivityManager conMgr = (ConnectivityManager) ctx.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo i = conMgr.getActiveNetworkInfo();
    if (i == null)
        return false;
    if (!i.isConnected())
        return false;
    if (!i.isAvailable())
        return false;
    return true;
}

Example 47 with ConnectivityManager

use of android.net.ConnectivityManager in project nmid-headline by miao1007.

the class NetworkUtils method isNetworkAvailable.

public boolean isNetworkAvailable(Context context) {
    ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
    return activeNetworkInfo != null;
}

Example 48 with ConnectivityManager

use of android.net.ConnectivityManager in project k-9 by k9mail.

the class Utility method hasConnectivity.

/**
     * Check to see if we have network connectivity.
     */
public static boolean hasConnectivity(final Context context) {
    final ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (connectivityManager == null) {
        return false;
    }
    final NetworkInfo netInfo = connectivityManager.getActiveNetworkInfo();
    if (netInfo != null && netInfo.getState() == NetworkInfo.State.CONNECTED) {
        return true;
    } else {
        return false;
    }
}

Example 49 with ConnectivityManager

use of android.net.ConnectivityManager in project Signal-Android by WhisperSystems.

the class LegacyMmsConnection method checkRouteToHost.

@SuppressWarnings("TryWithIdenticalCatches")
protected static boolean checkRouteToHost(Context context, String host, boolean usingMmsRadio) throws IOException {
    InetAddress inetAddress = InetAddress.getByName(host);
    if (!usingMmsRadio) {
        if (inetAddress.isSiteLocalAddress()) {
            throw new IOException("RFC1918 address in non-MMS radio situation!");
        }
        Log.w(TAG, "returning vacuous success since MMS radio is not in use");
        return true;
    }
    if (inetAddress == null) {
        throw new IOException("Unable to lookup host: InetAddress.getByName() returned null.");
    }
    byte[] ipAddressBytes = inetAddress.getAddress();
    if (ipAddressBytes == null) {
        Log.w(TAG, "resolved IP address bytes are null, returning true to attempt a connection anyway.");
        return true;
    }
    Log.w(TAG, "Checking route to address: " + host + ", " + inetAddress.getHostAddress());
    ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    try {
        final Method requestRouteMethod = manager.getClass().getMethod("requestRouteToHostAddress", Integer.TYPE, InetAddress.class);
        final boolean routeToHostObtained = (Boolean) requestRouteMethod.invoke(manager, MmsRadio.TYPE_MOBILE_MMS, inetAddress);
        Log.w(TAG, "requestRouteToHostAddress(" + inetAddress + ") -> " + routeToHostObtained);
        return routeToHostObtained;
    } catch (NoSuchMethodException nsme) {
        Log.w(TAG, nsme);
    } catch (IllegalAccessException iae) {
        Log.w(TAG, iae);
    } catch (InvocationTargetException ite) {
        Log.w(TAG, ite);
    }
    final int ipAddress = Conversions.byteArrayToIntLittleEndian(ipAddressBytes, 0);
    final boolean routeToHostObtained = manager.requestRouteToHost(MmsRadio.TYPE_MOBILE_MMS, ipAddress);
    Log.w(TAG, "requestRouteToHost(" + ipAddress + ") -> " + routeToHostObtained);
    return routeToHostObtained;
}

Example 50 with ConnectivityManager

use of android.net.ConnectivityManager in project Signal-Android by WhisperSystems.

the class OutgoingLegacyMmsConnection method isConnectionPossible.

public static boolean isConnectionPossible(Context context) {
    try {
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = connectivityManager.getNetworkInfo(MmsRadio.TYPE_MOBILE_MMS);
        if (networkInfo == null) {
            Log.w(TAG, "MMS network info was null, unsupported by this device");
            return false;
        }
        getApn(context);
        return true;
    } catch (ApnUnavailableException e) {
        Log.w(TAG, e);
        return false;
    }
}