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POAndroid Bluetooth Connection - Service Discovery Failed
 

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    <p>I'm trying to create a basic bluetooth application, for testing the device. </p> <p>I got the code from developer.android. Here is the link : <a href="http://developer.android.com/guide/topics/connectivity/bluetooth.html#ConnectingDevices" rel="nofollow noreferrer">http://developer.android.com/guide/topics/connectivity/bluetooth.html#ConnectingDevices</a></p> <p>Here is run part of my thread code:</p> <pre><code> public void run() { mBluetoothAdapter.cancelDiscovery(); Log.i(TAG, "Discovery Cancel!"); try { Log.i(TAG, "Connection Started"); mmSocket.connect(); Log.i(TAG, "Connection Ended"); } catch (IOException e) { try { Log.e(TAG, "Connection Failed", e); mmSocket.close(); } catch (IOException e2) { Log.e(TAG, "Connection Close Failed", e2); } return; } </code></pre> <p>Whatever I have tried <code>mmSocket.connect();</code> never works. Always throws an IOException and I get that log from my logcat: </p> <p><code>java.io.IOException: Service discovery failed<br> at android.bluetooth.BluetoothSocket$SdpHelper.doSdp(BluetoothSocket.java:403)<br> at android.bluetooth.BluetoothSocket.connect(BluetoothSocket.java:213)</code></p> <p>I've looked at these articles, and tried the written things, none of them has solved my problem.</p> <p><a href="https://stackoverflow.com/questions/9849852/android-bluetooth-service-discovery-failed-connection-to-desktop-laptop">Android Bluetooth: Service Discovery Failed, connection to Desktop/Laptop</a></p> <p><a href="https://stackoverflow.com/questions/3397071/service-discovery-failed-exception-using-bluetooth-on-android">Service discovery failed exception using Bluetooth on Android </a></p> <p><a href="https://stackoverflow.com/questions/11082819/bluetooth-connection-on-android-ics-not-possible">Bluetooth connection on Android ICS not possible</a></p> <p><a href="https://stackoverflow.com/questions/5298572/android-bluetooth-java-io-ioexception-connection-refused">Android Bluetooth java.io.IOException: Connection refused?</a></p> <p>Btw I'm working on android ics 4.0.4.</p> <p>I know that is not device problem, cause I've tried this app on different devices. </p>
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