2

从我的应用程序中，我可以在我的设备中打开/关闭 WIFI 并能够扫描可用网络，但我无法连接到指定的可用网络。这是我正在使用的代码：

 if(wifi.getWifiState()==wifi.WIFI_STATE_DISABLED)
        { 
            wifi.setWifiEnabled(true);

        }
        if(wifi.startScan())
        {
            //ls=(ArrayAdapter<ScanResult>) wifi.getScanResults();
            ls=wifi.getScanResults();

            Log.e("",ls.get(0).toString());
            for(int i=0;i<ls.size();i++)
            {   Log.e("VALUE"," "+ls.get(i).toString());
                Log.e("",""+ls.get(i).SSID);
                if(ls.get(i).SSID.equalsIgnoreCase("SPECTRUM-GREEN"))
                {
                    Log.e("","SPectrum GREEN FOUND.....");

            try{ 
                String ssid="\""+ls.get(i).SSID+"\"";
                Log.e("SSId"," "+ssid);
                config.SSID=ssid;
            }catch(Exception e){Log.e("","Error : "+e.toString());}

            config.preSharedKey="\"password\"";
            config.status=WifiConfiguration.Status.ENABLED;

            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40); 
            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);
            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
            config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);

            config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
            config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
            config.allowedProtocols.set(WifiConfiguration.Protocol.RSN);

            int res=wifi.addNetwork(config);
                    Log.e("ENABLE ",""+wifi.enableNetwork(res, false));

                    break;
                }
            }
4

3 回答 3

1

虽然这是一个老问题，但如果有人遇到这个问题，以下内容对我有帮助：

void connect (String ssidName) {
    boolean result = false;
    List<WifiConfiguration> arraylist = wifiManager.getConfiguredNetworks();
    for (WifiConfiguration wifiConfiguration : arraylist) {
        String wifiConfigSSID = wifiConfiguration.SSID.replace("\"", "");
        if (wifiConfigSSID.equals(ssidName)) {
            result = wifiManager.enableNetwork(wifiConfiguration.networkId, true);
            break;
        }
    }
}

如果网络已经可用，则无需提供各种参数，包括密码。

于 2014-01-16T12:39:56.093 回答
0

您必须禁用其他网络：

wifi.enableNetwork(res, true);
于 2012-10-03T15:26:12.437 回答
0

只是一个评论。您是否尝试临时连接？这对于我读过的“普通”Android手机是不可能的......

于 2011-04-25T06:09:38.750 回答