首先，可以通过监听位置变化并计算时间间隔来确定用户是否在移动。如果用户设备静止不动，则位置变化非常缓慢，而且变化时间间隔长。而如果用户正在移动，则位置变化会非常快，变化时间间隔也会更短。如果变化速度足够慢，则可以认为是GPS漂移而不是用户移动，因此需要对位置信息进行过滤。下面是一个演示如何实现这个算法的示例代码：

private Location mLastLocation;
private long mLastLocationCheckMillis;

public void onLocationChanged(Location location) {
    long currentTimeMillis = System.currentTimeMillis();

    // Check if the location is significantly different from the last known location and if enough time has passed since the last check
    if (mLastLocation == null || (mLastLocation.distanceTo(location) > 10 && currentTimeMillis - mLastLocationCheckMillis > 10000)) {
        // User is moving
        // Do something with the location data
    } else {
        // GPS drift, ignore the location data
    }

    // Update the last known location and time
    mLastLocation = location;
    mLastLocationCheckMillis = currentTimeMillis;
}