我正在编写一个将连接到特定WPA接入点的android应用,当连接时,它将发出http调用。它不会保存网络配置。
我已经阅读了几乎所有关于连接wifi网络的堆栈溢出问题,但找不到适合我的答案。这是我用来连接的代码。
WifiConfiguration wc = new WifiConfiguration();
wc.allowedAuthAlgorithms.clear();
wc.allowedGroupCiphers.clear();
wc.allowedPairwiseCiphers.clear();
wc.allowedProtocols.clear();
wc.allowedKeyManagement.clear();
wc.SSID = "\"".concat("<ssid>").concat("\"");
wc.preSharedKey = "\"".concat("<password>").concat("\"");
wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);
wc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wc.allowedProtocols.set(WifiConfiguration.Protocol.RSN); // For WPA2
wc.allowedProtocols.set(WifiConfiguration.Protocol.WPA); // For WPA
wc.priority = 0;
//wc.hiddenSSID = true;
wc.status = WifiConfiguration.Status.ENABLED;
// connect to and enable the connection
WifiManager wifiManager = (WifiManager) getSystemService(this.WIFI_SERVICE);
int netId = wifiManager.addNetwork(wc);
boolean wifiEnabled = wifiManager.enableNetwork(netId, true);
wifiManager.setWifiEnabled(true);
Log.d("opener", "addNetwork returned " + netId);
if (netId > 0) {
wifiId = netId;
}
但是netId始终为-1。我已经在两种不同的手机(ICS:HTC Rezound和GingerBread:Motorola DroidX)上进行了尝试。两者都显示完全相同的结果。
我究竟做错了什么?
编辑:我尝试与WPA2接入点相同的代码,并得到非常奇怪的结果。运行此代码时,第一次将返回-1,但是如果我第二次调用相同的方法且延迟1秒,则它将返回有效的netId。所以问题是
最佳答案
可能有点晚,但尝试将其连接到Open/WPA/WPA2/WEP安全网络
WifiConfiguration wifiConfig = new WifiConfiguration();
wifiConfig.SSID = selectedNetwork.SSID();
wifiConfig.status = WifiConfiguration.Status.DISABLED;
wifiConfig.priority = 40;
// Dependent on the security type of the selected network
// we set the security settings for the configuration
if (/*Open network*/) {
// No security
wifiConfig.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
wifiConfig.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
wifiConfig.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
wifiConfig.allowedAuthAlgorithms.clear();
wifiConfig.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
wifiConfig.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
} else if (/*WPA*/ || /*WPA2*/) {
//WPA/WPA2 Security
wifiConfig.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
wifiConfig.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
wifiConfig.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
wifiConfig.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
wifiConfig.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
wifiConfig.preSharedKey = "\"".concat(password).concat("\"");
} else if (/*WEP*/) {
// WEP Security
wifiConfig.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
wifiConfig.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
wifiConfig.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
wifiConfig.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
wifiConfig.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED);
wifiConfig.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
wifiConfig.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);
if (getHexKey(password)) wifiConfig.wepKeys[0] = password;
else wifiConfig.wepKeys[0] = "\"".concat(password).concat("\"");
wifiConfig.wepTxKeyIndex = 0;
}
// Finally we add the new configuration to the managed list of networks
int networkID = wifiMan.addNetwork(wifiConfig);
显然,请为适用的不同安全类型设置自己的变量。连接到WEP安全网络的 key (请原谅)是如下的getHexKey方法。
/**
* WEP has two kinds of password, a hex value that specifies the key or
* a character string used to generate the real hex. This checks what kind of
* password has been supplied. The checks correspond to WEP40, WEP104 & WEP232
* @param s
* @return
*/
private static boolean getHexKey(String s) {
if (s == null) {
return false;
}
int len = s.length();
if (len != 10 && len != 26 && len != 58) {
return false;
}
for (int i = 0; i < len; ++i) {
char c = s.charAt(i);
if ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F')) {
continue;
}
return false;
}
return true;
}
关于android - Android WifiManager.addNetwork()返回-1,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/12016918/