public class NetUtil {
public static final int NETWORN_NONE = 0;//无网络
public static final int NETWORN_WIFI = 1;//wife
public static final int NETWORN_MOBILE = 2;//手机
/**
* 获取当前网络的状态
* @param context
* @return
*/
public static int getNetworkState(Context context) {
ConnectivityManager connManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
// Wifi
State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI)
.getState();
if (state == State.CONNECTED || state == State.CONNECTING) {
return NETWORN_WIFI;
}
// 3G
state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE)
.getState();
if (state == State.CONNECTED || state == State.CONNECTING) {
return NETWORN_MOBILE;
}
return NETWORN_NONE;
}
/**
* 判断是否有网络
* @param context
* @return
*/
public static boolean isNetConnected(Context context) {
boolean isNetConnected;
// 获得网络连接服务
ConnectivityManager connManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = connManager.getActiveNetworkInfo();
if (info != null && info.isAvailable()) {
// String name = info.getTypeName();
// L.i("当前网络名称：" + name);
isNetConnected = true;
} else {
L.i("没有可用网络");
isNetConnected = false;
}
return isNetConnected;
}
}
本文题目：Android学习--判断当前设备的网络状态
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