JCUtils.java

package fm.jiecao.jcvideoplayer_lib;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import java.util.Formatter;
import java.util.Locale;

/**
 * Created by Nathen
 * On 2016/02/21 12:25
 */
class JCUtils {

    public static String stringForTime(int timeMs) {
        if (timeMs <= 0 || timeMs >= 24 * 60 * 60 * 1000) {
            return "00:00";
        }
        int totalSeconds = timeMs / 1000;
        int seconds = totalSeconds % 60;
        int minutes = (totalSeconds / 60) % 60;
        int hours = totalSeconds / 3600;
        StringBuilder stringBuilder = new StringBuilder();
        Formatter mFormatter = new Formatter(stringBuilder, Locale.getDefault());
        if (hours > 0) {
            return mFormatter.format("%d:%02d:%02d", hours, minutes, seconds).toString();
        } else {
            return mFormatter.format("%02d:%02d", minutes, seconds).toString();
        }
    }

    public static boolean isWifiConnected(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo wifiNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
        if (wifiNetworkInfo.isConnected()) {
            return true;
        }
        return false;
    }

}