diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/bluetooth/lowenergyscanner/device.cpp | 20 | ||||
| -rw-r--r-- | examples/bluetooth/lowenergyscanner/doc/src/lowenergyscanner.qdoc | 6 |
2 files changed, 26 insertions, 0 deletions
diff --git a/examples/bluetooth/lowenergyscanner/device.cpp b/examples/bluetooth/lowenergyscanner/device.cpp index d645931c..f6c346c3 100644 --- a/examples/bluetooth/lowenergyscanner/device.cpp +++ b/examples/bluetooth/lowenergyscanner/device.cpp @@ -9,6 +9,12 @@ #include <qbluetoothlocaldevice.h> #include <qbluetoothdeviceinfo.h> #include <qbluetoothservicediscoveryagent.h> + +#if QT_CONFIG(permissions) +#include <QGuiApplication> +#include <QPermission> +#endif + #include <QDebug> #include <QList> #include <QMetaEnum> @@ -43,6 +49,20 @@ Device::~Device() void Device::startDeviceDiscovery() { +#if QT_CONFIG(permissions) + //! [les-bluetooth-permission] + const auto permissionStatus = qApp->checkPermission(QBluetoothPermission{}); + if (permissionStatus == Qt::PermissionStatus::Undetermined) { + qApp->requestPermission(QBluetoothPermission{}, this, &Device::startDeviceDiscovery); + return; + } + if (permissionStatus == Qt::PermissionStatus::Denied) { + setUpdate("Bluetooth permission required."); + return; + } + //! [les-bluetooth-permission] +#endif // QT_CONFIG(permissions) + qDeleteAll(devices); devices.clear(); emit devicesUpdated(); diff --git a/examples/bluetooth/lowenergyscanner/doc/src/lowenergyscanner.qdoc b/examples/bluetooth/lowenergyscanner/doc/src/lowenergyscanner.qdoc index bba28796..9d013203 100644 --- a/examples/bluetooth/lowenergyscanner/doc/src/lowenergyscanner.qdoc +++ b/examples/bluetooth/lowenergyscanner/doc/src/lowenergyscanner.qdoc @@ -32,6 +32,12 @@ \include examples-run.qdocinc + \section1 Requesting Permission to use Bluetooth + Before the application can start using Bluetooth, we have to check Bluetooth + permission, and if its status is not determined yet, request this permission: + + \snippet lowenergyscanner/device.cpp les-bluetooth-permission + \section1 Scanning for Devices The first step is to find all peripheral devices. The devices can be found using |