网络判断

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1、判断状态

int networkType = getNetworkType();
switch (networkType) {
case 0:
Toast.makeText(this, "没有网络", 0).show();
break;
case 1:
Toast.makeText(this, "WIFI网络", 0).show();
break;
case 2:
Toast.makeText(this, "WAP网络 ", 0).show();
break;
case 3:
Toast.makeText(this, "NET网络", 0).show();
break;
default:
break;
}

2、获取网络

public int getNetworkType() {
int netType = 0;
ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
if (networkInfo == null) {
return netType;
}
int nType = networkInfo.getType();
if (nType == ConnectivityManager.TYPE_MOBILE) {
String extraInfo = networkInfo.getExtraInfo();
if(!TextUtils.isEmpty(extraInfo)){
if (extraInfo.toLowerCase().equals("cmnet")) {
netType = NETTYPE_CMNET;
} else {
netType = NETTYPE_CMWAP;
}
}
} else if (nType == ConnectivityManager.TYPE_WIFI) {
netType = NETTYPE_WIFI;
}
return netType;
}

网络判断

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原文地址：http://www.cnblogs.com/zl45/p/5457386.html