Android: Fix error signal handling for rfcomm sockets

The signal/slot connection actually uses an int as parameter

Change-Id: Ib9221137c36020d71834dca53040e174f855318e
Reviewed-by: Nedim Hadzic <nhadzic@blackberry.com>
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Doc: Fix doc warning

 examples/bluetooth/picturetransfer/doc/src/picturetransfer.qdoc:28: warning: Can't link to 'FolderListModel'

Change-Id: I384bc4613a7b025c1bc732e9965dc91331d911ae
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Replace double quote with single quote for single characters

Adding single characters to a QString is faster if the characters
are QChars and not QStrings.

Change-Id: I31a9e24b31bad76726231c8d164584abddde6c28
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Equalize the docs front page layout with qtlocation and qtsensors.

Change-Id: Iedd783ff59a62ca21e61502999dd450392f48644
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
QML PingPong example added

Example presents the socket communication between two Bluetooth
devices. The basic concept is the ping pong game, where coordinate
updates of the ball and pedals are sent via socket.

Change-Id: I61d8eb0baaa11c1485a923bb0a6ae6b89cd0e6a9
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Remove old Bluetooth tennis example

And update the documentation around the removal. The new
ping pong game example is written in QML and much easier to maintain.

Change-Id: I885d0c82b8f6eb8935c8f030ebb0adef9c1afc85
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Implemented sending buffer files in QBluetoothTransferReply QNX

QTemporaryFile did not work since it created temporary file
in the app folder, which was not accessible for sending and
sharing the file.

Task-number: QTBUG-32742

Change-Id: Icf3f30e800976916d3e82a928d04143757bf9afe
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Cleaning headers in QBluetoothTransferReplyQnx class

Change-Id: Ic986a615a48ffe4e8387be8bda755cf7610b1457
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Temporary file copy fix Bluez

If size is -1 it will go in endless while loop.
Added error handling in case QIODevice cannot be read.

Change-Id: I2026e45ac48592f32ce275871bf992413d7815b6
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>