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QBluetooth Namespace

The QBluetooth namespace provides classes and functions related to Bluetooth. More...

Header: #include <QBluetooth>
qmake: QT += bluetooth
Since: Qt 5.2


enum class AttAccessConstraint { AttAuthorizationRequired, AttAuthenticationRequired, AttEncryptionRequired }
flags AttAccessConstraints
enum class Security { NoSecurity, Authorization, Authentication, Encryption, Secure }
flags SecurityFlags

Detailed Description

Type Documentation

[since 5.7] enum class QBluetooth::AttAccessConstraint
flags QBluetooth::AttAccessConstraints

This enum describes the possible requirements for reading or writing an ATT attribute.

Constant Value Description
QBluetooth::AttAccessConstraint::AttAuthorizationRequired 0x1 The client needs authorization from the ATT server to access the attribute.
QBluetooth::AttAccessConstraint::AttAuthenticationRequired 0x2 The client needs to be authenticated to access the attribute.
QBluetooth::AttAccessConstraint::AttEncryptionRequired 0x4 The attribute can only be accessed if the connection is encrypted.

This enum was introduced or modified in Qt 5.7.

The AttAccessConstraints type is a typedef for QFlags<AttAccessConstraint>. It stores an OR combination of AttAccessConstraint values.

[since 5.4] QLowEnergyHandle

Typedef for Bluetooth Low Energy ATT attribute handles.

This typedef was introduced in Qt 5.4.

enum class QBluetooth::Security
flags QBluetooth::SecurityFlags

This enum describe the security requirements of a Bluetooth service.

Constant Value Description
QBluetooth::Security::NoSecurity 0x00 The service does not require any security.
QBluetooth::Security::Authorization 0x01 The service requires authorization by the user, unless the device is Authorized-Paired.
QBluetooth::Security::Authentication 0x02 The service requires authentication. Device must be paired, and the user is prompted on connection unless the device is Authorized-Paired.
QBluetooth::Security::Encryption 0x04 The service requires the communication link to be encrypted. This requires the device to be paired.
QBluetooth::Security::Secure 0x08 The service requires the communication link to be secure. Simple Pairing from Bluetooth 2.1 or greater is required. Legacy pairing is not permitted.

The SecurityFlags type is a typedef for QFlags<Security>. It stores an OR combination of Security values.

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