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java.io.IOException: read failed, socket might closed or timeout, read ret: -1	at android.bluetooth.BluetoothSocket.readAll(BluetoothSocket.java:505)	at android.bluetooth.BluetoothSocket.waitSocketSignal(BluetoothSocket.java:482)	at android.bluetooth.BluetoothSocket.connect(BluetoothSocket.java:324)	at com.example.gauravdubey.myapplication.BluetoothConnector$FallbackBluetoothSocket.connect(BluetoothConnector.java:198)	at com.example.gauravdubey.myapplication.BluetoothConnector.connect(BluetoothConnector.java:62)	at com.example.gauravdubey.myapplication.ConnectThread.run(ConnectThread.java:101)	at com.example.gauravdubey.myapplication.MainActivity$1.onItemClick(MainActivity.java:288)	at android.widget.AdapterView.performItemClick(AdapterView.java:299)	at android.widget.AbsListView.performItemClick(AbsListView.java:1113)	at android.widget.AbsListView$PerformClick.run(AbsListView.java:2911)	at android.widget.AbsListView$3.run(AbsListView.java:3645)	at android.os.Handler.handleCallback(Handler.java:733)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:136)	at android.app.ActivityThread.main(ActivityThread.java:5001)	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(Method.java:515)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)	at dalvik.system.NativeStart.main(Native Method)