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POMulti connection via bluetooth in android
 

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  1. POMulti connection via bluetooth in android
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    <p>Hy , We are working on the android multiplayer game via bluetooth. It is a multiplayer LUDO game in which 4 player connect to each other and play the game.</p> <p>We are stuck in connection with the 3rd and 4th player connection.</p> <pre><code>private OnMaxConnectionsReachedListener maxConnectionsListener = new OnMaxConnectionsReachedListener() { public void OnMaxConnectionsReached() { } }; private OnIncomingConnectionListener connectedListener = new OnIncomingConnectionListener() { public void OnIncomingConnection(String device) { //rivalDevice = device; if(index &lt; 1000) { clients[index] = device; index++; Log.d("Khawar", "Khawar"+device); if(index == 1) { //blue.setText(clients[0]); mConnection.sendMessage(clients[0], "ConnectionList--Ludofyp309509--"+server+"--Ludofyp309509--"+clients[0]); } else if(index == 2) { //blue.setText(clients[0]); //red.setText(clients[1]); mConnection.sendMessage(clients[0], "ConnectionList--Ludofyp309509--"+server+"--Ludofyp309509--"+clients[0]+"--Ludofyp309509--"+clients[1]); mConnection.sendMessage(clients[1], "ConnectionList--Ludofyp309509--"+server+"--Ludofyp309509--"+clients[0]+"--Ludofyp309509--"+clients[1]); } else if(index==3) { //blue.setText(clients[0]); //red.setText(clients[1]); //yellow.setText(clients[2]); mConnection.sendMessage(clients[0], "ConnectionList--Ludofyp309509--"+server+"--Ludofyp309509--"+clients[0]+"--Ludofyp309509--"+clients[1]+"--Ludofyp309509--"+clients[2]); mConnection.sendMessage(clients[1], "ConnectionList--Ludofyp309509--"+server+"--Ludofyp309509--"+clients[0]+"--Ludofyp309509--"+clients[1]+"--Ludofyp309509--"+clients[2]); mConnection.sendMessage(clients[2], "ConnectionList--Ludofyp309509--"+server+"--Ludofyp309509--"+clients[0]+"--Ludofyp309509--"+clients[1]+"--Ludofyp309509--"+clients[2]); } } //Toast.makeText(getBaseContext(), "Client found" + device , Toast.LENGTH_LONG).show(); // WindowManager w = getWindowManager(); // Display d = w.getDefaultDisplay(); // int width = d.getWidth(); //int height = d.getHeight(); } }; private OnConnectionLostListener disconnectedListener = new OnConnectionLostListener() { public void OnConnectionLost(String device) { class displayConnectionLostAlert implements Runnable { public void run() { Builder connectionLostAlert = new Builder(self); connectionLostAlert.setTitle("Connection lost"); connectionLostAlert .setMessage("Your connection with the other player has been lost."); connectionLostAlert.setPositiveButton("Ok", new OnClickListener() { public void onClick(DialogInterface dialog, int which) { finish(); } }); connectionLostAlert.setCancelable(false); try { connectionLostAlert.show(); } catch (BadTokenException e){ Log.v("TAG", "Exception throws here"); } } } self.runOnUiThread(new displayConnectionLostAlert()); } }; private OnConnectionServiceReadyListener serviceReadyListener = new OnConnectionServiceReadyListener() { public void OnConnectionServiceReady() { if (mType == 0) { mConnection.startServer(1, connectedListener, maxConnectionsListener, dataReceivedListener, disconnectedListener); self.setTitle("LudoOverAndroid: " + mConnection.getName() + "-" + mConnection.getAddress()); server = mConnection.getAddress(); green.setText(server); Log.v("1", server); // Intent Game = new Intent(self, Board.class); // .putExtra("TYPE", 1); // startActivity(Game); } else { self.setTitle("LudoOverAndroid: " + mConnection.getName() + "-" + mConnection.getAddress()); Intent serverListIntent = new Intent(self, ServerListActivity.class); startActivityForResult(serverListIntent, SERVER_LIST_RESULT_CODE); clients[index] = mConnection.getAddress(); // Intent Game = new Intent(self, Board.class); // .putExtra("TYPE", 1); // startActivity(Game); } } }; </code></pre> <p>Above is the sample code where connection are established. But in the Connection Services class we have the following code</p> <pre><code> public int connect(String srcApp, String device) throws RemoteException { if (mApp.length() &gt; 0) { Log.v("a", "connection service-&gt;connect-&gt;mApp.length"); return Connection.FAILURE; } mApp = srcApp; BluetoothDevice myBtServer = mBtAdapter.getRemoteDevice(device); BluetoothSocket myBSock = null; Log.v("a", "Yaah aya hay aik baar nahe bar bar :"); for (int i = 0; i &lt; Connection.MAX_SUPPORTED &amp;&amp; myBSock == null; i++) { for (int j = 0; j &lt; 3 &amp;&amp; myBSock == null; j++) { myBSock = getConnectedSocket(myBtServer, mUuid.get(i)); if (myBSock == null) { try { Log.v("a", "connection service-&gt;connect-&gt;myBSock==NULL thread sleep"); Thread.sleep(200); } catch (InterruptedException e) { Log.e(TAG, "InterruptedException in connect", e); } } } } if (myBSock == null) { Log.v("a", "connection service-&gt;connect-&gt;myBSock==NULLss"); return Connection.FAILURE; } mBtSockets.put(device, myBSock); mBtDeviceAddresses.add(device); Thread mBtStreamWatcherThread = new Thread(new BtStreamWatcher(device)); mBtStreamWatcherThread.start(); mBtStreamWatcherThreads.put(device, mBtStreamWatcherThread); return Connection.SUCCESS; } </code></pre> <p>The mobile when connect with the 3rd or 4th device it return myBSock==null. But if the codes work right it must return the address of the device and should add mBtDeviceAddresses.add(device); into the server list.</p> <p>kindly help us to fix the problem.</p> <p>Thanks in advance</p>
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    1. USfahad Idrees
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    1. COI'm not sure if you can initiate multiple connections on same Bluetooth profile...
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      1. USwaqaslam
    2. COIt depends upon the device, how many connections it can support simultaneously.
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      1. USAZ_
    3. COhttp://superuser.com/questions/332767/limit-to-the-number-of-devices-that-can-be-paired-with-a-bluetooth-device
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