StackOverflow2013

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copied!<p>The reason for the my sorrow is here <a href="http://code.google.com/p/android/issues/detail?id=6272" rel="nofollow noreferrer">in this Documentation issue</a></p> <p>While <a href="http://developer.android.com/reference/android/net/wifi/WifiConfiguration.html#preSharedKey" rel="nofollow noreferrer">documentation here</a> states </p> <blockquote> <p>"Pre-shared key for use with WPA-PSK. When the value of this key is read, the actual key is not returned, just a "*" if the key has a value, or the null string otherwise."</p> </blockquote> <p>It is correct, but very important what it <strong>does not say</strong> is that expected here ether 64 byte hash result of the linux command </p> <pre><code>wpa_passphrase <ssid> [passphrase] </code></pre> <p>or Access Point's password <strong>IN DOUBLE QUOTES!</strong></p> <p>So in case that Access Point's PSK is <strong><em>"example"</em></strong> it has to be passed in java like this </p> <pre><code>WifiConfiguration myWiFiConfig = new WifiConfiguration(); ... myWiFiConfig.preSharedKey = "\"example\""; ... </code></pre> <p>OR </p> <pre><code>myWiFiConfig.preSharedKey = "0a0b0f62170ecc5bcf721b6ff170b8b560101b5d56b00a26abec217e0bb4aa1f"; </code></pre> <p>For all the rest of you that will stumble on this the right way is:</p> <p>Copy&Paste it as is and save your self half a day of pain we already spent on it (Special Thanks to <a href="https://stackoverflow.com/users/27479/reflog">Reflog</a>)</p> <pre><code>WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE); WifiConfiguration wc = new WifiConfiguration(); wc.SSID = "\"SSIDName\""; wc.preSharedKey = "\"password\""; wc.hiddenSSID = true; wc.status = WifiConfiguration.Status.ENABLED; wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP); wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP); wc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK); wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP); wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP); wc.allowedProtocols.set(WifiConfiguration.Protocol.RSN); int res = wifi.addNetwork(wc); Log.d("WifiPreference", "add Network returned " + res ); boolean b = wifi.enableNetwork(res, true); Log.d("WifiPreference", "enableNetwork returned " + b ); </code></pre>

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