NetworkUtils.java

package de.danoeh.antennapodsp.util;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.util.Log;
import de.danoeh.antennapodsp.AppConfig;
import de.danoeh.antennapodsp.preferences.UserPreferences;

import java.util.Arrays;
import java.util.List;

public class NetworkUtils {
    private static final String TAG = "NetworkUtils";

    private NetworkUtils() {

    }

    /**
     * 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;
    }

    public static boolean networkAvailable(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo info = cm.getActiveNetworkInfo();
        return info != null && info.isConnected();
    }
}