BTLE functions

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BTLE functions

The following functions are used to handle the Bluetooth Low Energy devices:


BTLECharacteristicChangeOfValue	Enables or disables the detection regarding the change of value for a Bluetooth Low Energy characteristic.
BTLECharacteristicReadValue	Reads the value of a characteristic on a Bluetooth Low Energy device.
BTLECharacteristicWriteValue	Writes a value into a characteristic on a Bluetooth Low Energy device.
BTLEConnect	Used to connect to a Bluetooth Low Energy device.
BTLEConnectionStatus	Returns the current connection status to a Bluetooth Low Energy device or asks to be notified when the connection status changes.
BTLEDescriptorReadValue	Reads the value of a descriptor on a Bluetooth Low Energy device.
BTLEDescriptorWriteValue	Writes the value of a descriptor onto a Bluetooth Low Energy device.
BTLEDisconnect	Used to disconnect from a Bluetooth Low Energy device.
BTLEGetACharacteristic	Retrieves the characteristic of a Bluetooth Low Energy service corresponding to the specified identifier (UUID).
BTLEGetADescriptor	Retrieves the descriptor of a Bluetooth Low Energy characteristic corresponding to the specified identifier (UUID).
BTLEGetAllCharacteristics	Retrieves all the characteristics with the same identifier associated with a Bluetooth Low Energy service.
BTLEGetAllServices	Retrieves all the services corresponding to a UUID.
BTLEGetAService	Retrieves the service of a Bluetooth Low Energy device corresponding to the specified identifier (UUID).
BTLEInitialize	Initializes Bluetooth Low Energy (required in iOS only).
BTLEListDevice	Returns the list of accessible Bluetooth Low Energy devices.
BTLEStatus	Returns the current activation status of Bluetooth on the device or asks to be notified when the activation status changes.

The following types of variables are used to handle the Bluetooth Low Energy devices:


Versions 21 and later btleCharacteristic New in version 21 btleCharacteristic btleCharacteristic	The btleCharacteristic type is used to handle a characteristic of a Bluetooth Low Energy service.
Versions 21 and later btleDescriptor New in version 21 btleDescriptor btleDescriptor	The btleDescriptor type is used to handle the descriptor of a Bluetooth Low Energy characteristic
Versions 21 and later btleDevice New in version 21 btleDevice btleDevice	The btleDevice type allows you to handle a device that is using the Bluetooth Low Energy technology.
Versions 21 and later btleService New in version 21 btleService btleService	The btleService type is used to handle a Bluetooth Low Energy service ("Bluetooth GATT Service").

Caution:

The WLanguage Bluetooth Low Energy functions are available for the devices running an Android version greater than or equal to version 4.3 (api level 18).
- A fatal error occurs if the function is used with an earlier system version.
- To find out the version of Android system on which the application is run, use SysAndroidVersion.
The WLanguage Bluetooth Low Energy functions are available from iOS 9.