在Android中同时获取多个传感器数据 [英] Get multiple sensor data at the same time in Android

问题描述

我现在正在尝试创建一个用于监视振动的应用程序.我使用加速度计来完成这项工作，当记录的加速度超过特定阈值时，我将其称为触发器.当有触发时，我想将触发时的加速度，磁场，光照水平数据(来自不同的传感器)记录到文件中.

I am now trying to create an app to monitoring the vibration. I use accelerometer to finish the job, when the recorded acceleration exceed certain threshold, I call it a trigger. When there's a trigger, I want to log the acceleration, magnetic field, light level data (from different sensors) at the trigger time to a file.

现在的问题是:我可以从单个传感器获取数据，但无法找到一种方法如何同时从多个传感器获取数据.例如:我可以设置一个传感器监听器来监视加速度计的变化，当我记录加速度数据时，我是否也可以同时准确地从其他传感器获取数据?

The problem now is that: I can get data from individual sensor, but couldn't figure out a way how to get the data from multiple sensors at the same time. For example: I can set a sensorlistener to monitoring the change of accelerometer, when I record the acceleration data, can I also get data from other sensors at exactly the same time?

先谢谢了.

推荐答案

是的，您可以按照以下步骤进行操作:

Yes you can do this as follows:

private SensorManager manager;
private SensorEventListener listener;

manager = (SensorManager) this.getSystemService(Context.SENSOR_SERVICE);
listener = new SensorEventListener() {
    @Override
    public void onAccuracyChanged(Sensor arg0, int arg1) {
    }

    @Override
    public void onSensorChanged(SensorEvent event) {
        Sensor sensor = event.sensor;
        if (sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
            ...
        }
        else if (sensor.getType() == Sensor.TYPE_GYROSCOPE) {
            ...
        }
    }
}

manager.registerListener(listener, manager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_GAME);
manager.registerListener(listener, manager.getDefaultSensor(TYPE_GYROSCOPE), SensorManager.SENSOR_DELAY_GAME);

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