Example 4 for Kotlin Shared Flow article

shared_flow_state_example.kt

class BleManager : BleConnectionObserver {
    private val _bleConnectionStateFlow = MutableStateFlow(ConnectionState.Disconnected)
    val bleConnectionStateFlow: StateFlow<ConnectionState> = _bleConnectionStateFlow

    override fun onDeviceConnected(device: BluetoothDevice) {
        /* ... */
        _bleConnectionStateFlow.value = ConnectionState.Connected
    }

    override fun onDeviceDisconnected() {
        /* ... */
        _bleConnectionStateFlow.value = ConnectionState.Disconnected
    }
}