addBLECallBack static method

void addBLECallBack(dynamic handler(dynamic message))

添加 BLE 监听

Implementation

static void addBLECallBack(Function(dynamic message) handler) {
  if (!_commHandlers.contains(handler)) {
    _commHandlers.add(handler);
    _print('addBLECallBack() - callback count: ${_commHandlers.length}');
  }
}