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Rfcomm Async Connect Error Connection Refused

στη android bluetooth socket might closed or timeout συνέχεια, ανανεώστε αυτήν τη σελίδα. . Ο λογαριασμός μουΑναζήτησηΧάρτεςYouTubePlayΕιδήσειςGmailDriveΗμερολόγιοGoogle+ΜετάφρασηΦωτογραφίεςΠερισσότεραΈγγραφαBloggerΕπαφέςHangoutsΑκόμη περισσότερα από την GoogleΕίσοδοςΚρυφά πεδίαΑναζήτηση ομάδων ή μηνυμάτων

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Android Bluetooth Socket Connect Exception

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Java.io.ioexception: Read Failed, Socket Might Closed Or Timeout, Read Ret: -1

Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.3 java io ioexception bt socket closed million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Android bluetooth socket.connect() fails up vote 3 down vote favorite I'm trying to make a connection between an android https://groups.google.com/d/msg/android-porting/DzR2Bz0BwKI/JYO7uBYPoK4J device and a RFID reader bluetooth. To do this i use the code of bluetooth chat (bluetooth chat example). But when i do mmSocket.connect(); at line 329 of the bluetooth chat example, the connection generate every time a java.io.IOException. I tried also this method to get the socket: tmp = mDevice.createRfcommSocketToServiceRecord(MY_UUID); Method m = mDevice.getClass().getMethod("createRfcommSocket", new Class[] {int.class}); tmp = (BluetoothSocket) m.invoke(mDevice, 1); but nothing. I tried with 3 difference devices. The first, http://stackoverflow.com/questions/24573755/android-bluetooth-socket-connect-fails a Samung S2 running android 4.4.2 give me this error: failed:read failed, socket might closed, read ret: -1 With a tablet running android 4.0.3 give me this error: IOException: Connection refused The curiosity is that if i try to connect my phone with my tablet i fail. But if i run in 2 devices this application, and with one i try to connect the second, while the second is searching some devices to connect, the connection is succesfull. But only if the second device is running this application and searching some devices to connect. I tried also to unpair but nothing. Finally i wanted to say that if i try to connect the 2 devices or one device with my rfid bluetooth reader throught settings the connection is succesfull. And last i wanted to say that when i'm trying to connect the 2 devices or the device with the reader rfid, if the devices isn't paired, compare a dialog that ask me to pair the 2 device but after this the connection failed. android sockets bluetooth connection share|improve this question asked Jul 4 '14 at 11:56 user3805317 3117 add a comment| 4 Answers 4 active oldest votes up vote 0 down vote accepted I had the same problem. It's easy to resolve. You have to con

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