三种联网状态

加权限

<uses-permissionandroid:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>

public class NetWorkUtils {

//判断网络连接状态

public static boolean isNetWorkIsAvailable(Context context) {

//网络连接管理器

ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

//获取网络信息

NetworkInfo info = connectivityManager.getActiveNetworkInfo();

if (info != null) {

return true;

}

/* if (info.isConnected()) {

return true;

}*/

return false;

}

//判断是否是wifi

public static boolean isWifi(Context context) {

//网络连接管理器

ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

//获取网络信息

NetworkInfo info = connectivityManager.getActiveNetworkInfo();

if (info != null && info.getType() == connectivityManager.TYPE_WIFI) {

return true;

}

return false;

}

//判断是否是手机流量

public static boolean isMobile(Context context) {

//网络连接管理器

ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

//获取网络信息

NetworkInfo info = connectivityManager.getActiveNetworkInfo();

if (info != null && info.getType() == connectivityManager.TYPE_MOBILE) {

return true;

}

return false;

}

}