import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;
import android.widget.Toast;
public class Connectivity {
/*
* HACKISH: These constants aren't yet available in my API level (7), but I need to handle these cases if they come up, on newer versions
*/
public static final int NETWORK_TYPE_EHRPD=14; // Level 11
public static final int NETWORK_TYPE_EVDO_B=12; // Level 9
public static final int NETWORK_TYPE_HSPAP=15; // Level 13
public static final int NETWORK_TYPE_IDEN=11; // Level 8
public static final int NETWORK_TYPE_LTE=13; // Level 11
/**
* Check if there is any connectivity
* @param context
* @return
*/
public static boolean isConnected(Context context){
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = cm.getActiveNetworkInfo();
return (info != null && info.isConnected());
}
public static boolean isRoming(Context context){
TelephonyManager telephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
if(telephony.isNetworkRoaming()){
Toast.makeText(context, "Is Roaming", Toast.LENGTH_LONG).show();
}
return true;
}
/**
* Check if there is fast connectivity
* @param context
* @return
*/
public static boolean isConnectedFast(Context context){
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = cm.getActiveNetworkInfo();
return (info != null && info.isConnected() && Connectivity.isConnectionFast(info.getType(),info.getSubtype()));
}
/**
* Check if the connection is fast
* @param type
* @param subType
* @return
*/
public static boolean isConnectionFast(int type, int subType){
if(type==ConnectivityManager.TYPE_WIFI){
System.out.println("CONNECTED VIA 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_EVDO_0:
return true; // ~ 400-1000 kbps
case TelephonyManager.NETWORK_TYPE_EVDO_A:
return true; // ~ 600-1400 kbps
case TelephonyManager.NETWORK_TYPE_GPRS:
return false; // ~ 100 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
// NOT AVAILABLE YET IN API LEVEL 7
case Connectivity.NETWORK_TYPE_EHRPD:
return true; // ~ 1-2 Mbps
case Connectivity.NETWORK_TYPE_EVDO_B:
return true; // ~ 5 Mbps
case Connectivity.NETWORK_TYPE_HSPAP:
return true; // ~ 10-20 Mbps
case Connectivity.NETWORK_TYPE_IDEN:
return false; // ~25 kbps
case Connectivity.NETWORK_TYPE_LTE:
return true; // ~ 10+ Mbps
// Unknown
case TelephonyManager.NETWORK_TYPE_UNKNOWN:
return false;
default:
return false;
}
}else{
return false;
}
}
}
