readPhy method
读取 BLE 当前 PHY。
参数:
deviceId:已连接设备标识,无默认值。Android 8.0+ 返回真实值;iOS/macOS/Linux/Windows/Web 返回 BluetoothPhy.unknown。
Implementation
Future<BluetoothPhyEvent> readPhy(String deviceId) {
throw UnimplementedError('readPhy() has not been implemented.');
}