diff options
Diffstat (limited to 'src/bluetooth/qbluetoothdevicediscoveryagent_darwin.mm')
| -rw-r--r-- | src/bluetooth/qbluetoothdevicediscoveryagent_darwin.mm | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/bluetooth/qbluetoothdevicediscoveryagent_darwin.mm b/src/bluetooth/qbluetoothdevicediscoveryagent_darwin.mm index d9883d28..a5cb034a 100644 --- a/src/bluetooth/qbluetoothdevicediscoveryagent_darwin.mm +++ b/src/bluetooth/qbluetoothdevicediscoveryagent_darwin.mm @@ -144,6 +144,8 @@ bool QBluetoothDeviceDiscoveryAgentPrivate::isActive() const void QBluetoothDeviceDiscoveryAgentPrivate::start(QBluetoothDeviceDiscoveryAgent::DiscoveryMethods methods) { + using namespace OSXBluetooth; + Q_ASSERT(!isActive()); Q_ASSERT(lastError != QBluetoothDeviceDiscoveryAgent::InvalidBluetoothAdapterError); Q_ASSERT(methods & (QBluetoothDeviceDiscoveryAgent::ClassicMethod @@ -157,6 +159,25 @@ void QBluetoothDeviceDiscoveryAgentPrivate::start(QBluetoothDeviceDiscoveryAgent } #endif // Q_OS_MACOS + // To be able to scan for devices, iOS requires Info.plist containing + // NSBluetoothAlwaysUsageDescription entry with a string, explaining + // the usage of Bluetooth interface. macOS also requires this description, + // starting from Monterey. + + // No Classic on iOS, and Classic does not require a description on macOS: + if (methods.testFlag(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod) + && qt_appNeedsBluetoothUsageDescription() + && !qt_appPlistContainsDescription(bluetoothUsageKey)) { + // This would result in Bluetooth framework throwing an exception + // the moment we try to start device discovery. + qCWarning(QT_BT_OSX) + << "A proper Info.plist with NSBluetoothAlwaysUsageDescription " + "entry is required, cannot start device discovery"; + setError(QBluetoothDeviceDiscoveryAgent::UnsupportedDiscoveryMethod); + emit q_ptr->error(lastError); + return; + } + requestedMethods = methods; if (stopPending) { |