（二八）HarmonyOS Design 的人机交互：设计与注意事项 原创

import ohos.agp.components.Component;                import ohos.agp.window.service.WindowManager;                import ohos.event.MotionEvent;                                 public class TouchGestureListener implements Component.TouchEventListener {                    @Override                    public boolean onTouchEvent(Component component, MotionEvent motionEvent) {                        int action = motionEvent.getAction();                        switch (action) {                            case MotionEvent.PRIMARY_POINTER_DOWN:                                // 处理按下事件                                break;                            case MotionEvent.PRIMARY_POINTER_UP:                                // 处理抬起事件                                break;                            case MotionEvent.ACTION_MOVE:                                // 处理滑动事件                                break;                            case MotionEvent.ACTION_SCROLL:                                // 处理缩放事件                                break;                        }                        return true;                    }                }
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import ohos.speechrecognition.SpeechRecognizer;                import ohos.speechrecognition.SpeechRecognizerCallback;                                 public class VoiceWakeupExample {                    private SpeechRecognizer speechRecognizer;                                     public VoiceWakeupExample() {                        speechRecognizer = new SpeechRecognizer();                        speechRecognizer.setCallback(new SpeechRecognizerCallback() {                            @Override                            public void onRecognizeSuccess(String result) {                                if ("小艺小艺".equals(result)) {                                    // 唤醒成功，执行相应操作                                }                            }                                             @Override                            public void onRecognizeFailed(int errorCode) {                                // 处理识别失败的情况                            }                        });                    }                                     public void startWakeup() {                        speechRecognizer.startRecognize();                    }                }
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import ohos.rpc.RemoteException;                import ohos.sensor.agent.SystemSensorAgent;                import ohos.sensor.data.AccelerometerData;                import ohos.sensor.listener.IFusionDataCallback;                                 public class ShakeGestureExample {                    private SystemSensorAgent sensorAgent;                    private static final int SHAKE_THRESHOLD = 1000;                    private long lastUpdate = 0;                    private float last_x, last_y, last_z;                                     public ShakeGestureExample() {                        sensorAgent = new SystemSensorAgent();                        sensorAgent.registerSensor(ohos.sensor.agent.SystemSensorManager.SENSOR_TYPE_ACCELEROMETER,                                new IFusionDataCallback() {                                    @Override                                    public void onSensorDataModified(AccelerometerData accelerometerData) {                                        float x = accelerometerData.getValues()[0];                                        float y = accelerometerData.getValues()[1];                                        float z = accelerometerData.getValues()[2];                                                         long curTime = System.currentTimeMillis();                                        if ((curTime - lastUpdate) > 100) {                                            long diffTime = (curTime - lastUpdate);                                            lastUpdate = curTime;                                                             float speed = Math.abs(x + y + z - last_x - last_y - last_z) / diffTime * 10000;                                                             if (speed > SHAKE_THRESHOLD) {                                                // 检测到摇一摇动作，执行相应操作                                            }                                                             last_x = x;                                            last_y = y;                                            last_z = z;                                        }                                    }                                                     @Override                                    public void onAccuracyDataModified(int i, int i1) {                                        // 处理精度变化                                    }                                                     @Override                                    public void onCommandCompleted(int i) throws RemoteException {                                        // 处理命令完成                                    }                                });                    }                }
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import ohos.distributedschedule.interwork.DeviceInfo;                import ohos.distributedschedule.interwork.DeviceManager;                import java.util.List;                                 public class DeviceConnectionExample {                    public void discoverDevices() {                        List<DeviceInfo> deviceList = DeviceManager.getDeviceList(DeviceInfo.FLAG_GET_ONLINE_DEVICE);                        for (DeviceInfo device : deviceList) {                            // 显示设备信息，提供连接选项                        }                    }                }
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