Here you can find the source of isConnectionFast(int type, int subType)
private static boolean isConnectionFast(int type, int subType)
//package com.java2s; /*// w w w . j a v a 2 s. com SoftVolume.java Copyright (C) 2011 Belledonne Communications, Grenoble, France This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ import android.net.ConnectivityManager; import android.telephony.TelephonyManager; public class Main { private static boolean isConnectionFast(int type, int subType) { if (type == ConnectivityManager.TYPE_WIFI) { return true; } else if (type == ConnectivityManager.TYPE_MOBILE) { switch (subType) { case TelephonyManager.NETWORK_TYPE_1xRTT: return false; // ~ 50-100 kbps case TelephonyManager.NETWORK_TYPE_CDMA: return false; // ~ 14-64 kbps case TelephonyManager.NETWORK_TYPE_EDGE: return false; // ~ 50-100 kbps case TelephonyManager.NETWORK_TYPE_GPRS: return false; // ~ 100 kbps case TelephonyManager.NETWORK_TYPE_EVDO_0: return false; // ~25 kbps case TelephonyManager.NETWORK_TYPE_LTE: return true; // ~ 400-1000 kbps case TelephonyManager.NETWORK_TYPE_EVDO_A: return true; // ~ 600-1400 kbps case TelephonyManager.NETWORK_TYPE_HSDPA: return true; // ~ 2-14 Mbps case TelephonyManager.NETWORK_TYPE_HSPA: return true; // ~ 700-1700 kbps case TelephonyManager.NETWORK_TYPE_HSUPA: return true; // ~ 1-23 Mbps case TelephonyManager.NETWORK_TYPE_UMTS: return true; // ~ 400-7000 kbps case TelephonyManager.NETWORK_TYPE_EHRPD: return true; // ~ 1-2 Mbps case TelephonyManager.NETWORK_TYPE_EVDO_B: return true; // ~ 5 Mbps case TelephonyManager.NETWORK_TYPE_HSPAP: return true; // ~ 10-20 Mbps case TelephonyManager.NETWORK_TYPE_IDEN: return true; // ~ 10+ Mbps case TelephonyManager.NETWORK_TYPE_UNKNOWN: default: return false; } } else { return false; } } }