该app基于匿名开源小四轴app改编，可直接用于操作匿名小四轴，其他飞控请修改相应的传输协议。该app通过按键改变小四轴的油门和姿态角，并动画实时显示小四轴当前飞行姿态。本代码仅供学习交流。（用小四轴测试时请千万注意安全！）-The app based on anonymous source four axis app adaptation can be directly used for anonymous four axis and other flight control, please