Intent used to broadcast that the headset has posted a vendor-specific event.

This intent will have 4 extras and 1 category.

• BluetoothDevice.ExtraDevice - The remote Bluetooth Device
• BluetoothHeadset.ExtraVendorSpecificHeadsetEventCmd - The vendor specific command
• BluetoothHeadset.ExtraVendorSpecificHeadsetEventCmdType - The AT command type which can be one of BluetoothHeadset.AtCmdTypeRead, BluetoothHeadset.AtCmdTypeTest, or BluetoothHeadset.AtCmdTypeSet, BluetoothHeadset.AtCmdTypeBasic,BluetoothHeadset.AtCmdTypeAction.
• BluetoothHeadset.ExtraVendorSpecificHeadsetEventArgs - Command arguments.

The category is the Company ID of the vendor defining the vendor-specific command. Android.Bluetooth.BluetoothAssignedNumbers For example, for Plantronics specific events Category will be BluetoothHeadset.VendorSpecificHeadsetEventCompanyIdCategory.55

For example, an AT+XEVENT=foo,3 will get translated into

• EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD = +XEVENT
• EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE = AT_CMD_TYPE_SET
• EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_ARGS = foo, 3

Requires NoType:android/Manifest$permission;Href=../../../reference/android/Manifest.permission.html#BLUETOOTH permission to receive.

[Android Documentation]