连接未配置的WIFI网络

在程序中连接WIFI热点,如果此WIFI热点已配置过,那就非常简单.教科书上都有.但如果是一个新的WIFI网络,那问题就来了.按习惯,先在网上搜了一遍,如果有现成的.那事情就算搞定了.谁知,竟然找不到完整的代码.难道没人连接成功过?

看来只能是自力更生了.看一下类库的说明http://developer.android.com/reference/android/net/wifi/WifiConfiguration.html#allowedAuthAlgorithms

1.连接WEP加密方式的WIFI

 调试花了不少时间,但还是成功了.附上源码.

 1 WifiManager wifi = (WifiManager) getSystemService(wifi.this.WIFI_SERVICE);
 2 
 3       WifiConfiguration wc = new WifiConfiguration();
 4 
 5       /* ---------------------WEP连接方式---------------------*/
 6       
 7       wc.SSID = "\"SSID\"";
 8       wc.hiddenSSID = false;
 9 
10       wc.status = WifiConfiguration.Status.ENABLED;
11 
12       wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);
13       wc.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
14 
15       wc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
16       wc.wepTxKeyIndex = 0;
17 
18       wc.wepKeys[0] = "PSW";
19 
20       int res = wifi.addNetwork(wc);
21 
22       boolean b = wifi.enableNetwork(res, true);
23 
24 /* ---------------------WEP连接方式END---------------------*/
25 
26 
27  

2.连接WPA加密方式的WIFI

 1 WifiConfiguration wc = new WifiConfiguration();
 2                 
 3                 /*----------------------WPA连接方式------------------------*/
 4                 wc.SSID = "\"SSID\"";
 5                 wc.hiddenSSID = false;
 6 
 7                 wc.status = WifiConfiguration.Status.ENABLED;
 8                 
 9 
10                 wc.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
11                 wc.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
12                 wc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
13                 wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
14                 
15                 wc.preSharedKey = "\"PSW\"";
16 
17                 int res = wifi.addNetwork(wc);
18 
19                 boolean b = wifi.enableNetwork(res, true);
20                 /*----------------------WPA连接方式END------------------------*/
 

还有附上我的WIFI配置截图.无线路由是TP-LINK,比较常见的一款路由器.

 

 

 

今天遇到一种无密码的情况,反而连接不上.奇怪.继续研究.有连接过无密码的请不惜赐教

 

经过一个晚上的调试.终于连接上了.无加密WIFI重点在于某几个参数设置,继续附上代码

 

public boolean ConnectionUnConfigForNoPsw(String ssid)
    {
        try
        {     
            WifiConfiguration wc = new WifiConfiguration();
            
            
            wc.hiddenSSID = false;
            wc.status = WifiConfiguration.Status.ENABLED;
            
            wc.allowedKeyManagement.set(KeyMgmt.WPA_PSK);
            wc.allowedKeyManagement.set(KeyMgmt.WPA_EAP);
            
            wc.allowedProtocols.set(Protocol.WPA);
            wc.allowedProtocols.set(Protocol.RSN);
            
            wc.allowedPairwiseCiphers.set(PairwiseCipher.TKIP);
            wc.allowedPairwiseCiphers.set(PairwiseCipher.CCMP);
            
            wc.allowedGroupCiphers.set(GroupCipher.WEP40);
            wc.allowedGroupCiphers.set(GroupCipher.WEP104);
            wc.allowedGroupCiphers.set(GroupCipher.TKIP);
            wc.allowedGroupCiphers.set(GroupCipher.CCMP);
            
            wc.SSID = "\"" + ssid + "\"";
            wc.preSharedKey = null;
            
            
            int res = mWifiManager.addNetwork(wc);

            return  mWifiManager.enableNetwork(res, true);
        }
        catch(Exception ex)
        {
            return false;
        }
        
        
    }