Android Open Source - AndroidWifiServer Common Util

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License

The source code is released under:

Apache License

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Java Source Code

package jp.maju.wifiserver.util;
/*from   www  .  j av  a 2  s  .  c o m*/
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

import jp.maju.wifidetecter.utils.WifiUtil;
import android.app.Application;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;

/*
 * Copyright {2014} {Matsuda Jumpei}
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
public class CommonUtil extends WifiUtil {
    private static final String TAG = CommonUtil.class.getSimpleName();
    private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat(
            "yyyy/MM/dd/HH:mm:ss", Locale.getDefault());

    private CommonUtil() {
    }

    public static String getCurrentWifiIP(Application app) {
        WifiManager wifiManager = (WifiManager) app
                .getSystemService(Application.WIFI_SERVICE);
        if (!wifiManager.isWifiEnabled()) {
            return null;
        }

        WifiInfo wifiInfo = wifiManager.getConnectionInfo();

        int ipAddress = wifiInfo.getIpAddress();
        String strIPAddess = ((ipAddress >> 0) & 0xFF) + "."
                + ((ipAddress >> 8) & 0xFF) + "." + ((ipAddress >> 16) & 0xFF)
                + "." + ((ipAddress >> 24) & 0xFF);

        return strIPAddess;
    }

    public static String formatDate(long time) {
        return formatDate(new Date(time));
    }

    public static String formatDate(Date date) {
        return DATE_FORMAT.format(date);
    }
}

Java Source Code List