android判断是否连接wifi和网络状态的判断

<span style="font-size:18px;">// 是否连接WIFI
public static boolean isWifiConnected(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo wifiNetworkInfo = connectivityManager
.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (wifiNetworkInfo.isConnected()) {
return true;
}
return false;
}

/**
* 对网络连接状态进行判断
*
* @return true, 可用； false， 不可用
*/
public static boolean isOpenNetwork(Context ctx) {
ConnectivityManager connManager = (ConnectivityManager) ctx
.getSystemService(Context.CONNECTIVITY_SERVICE);
if (connManager.getActiveNetworkInfo() != null) {
return connManager.getActiveNetworkInfo().isAvailable();
}
return false;
}</span>