android检测wifi质量,android – 检查wifi连接的质量？

您可以使用此代码检查移动网络中的速度,

import android.content.Context;

import android.net.ConnectivityManager;

import android.net.NetworkInfo;

import android.telephony.TelephonyManager;

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());

}

/**

* 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;

}

}

}