ios - iOS 上的线性加速如何获得与 Android TYPE_LINEAR_ACCELERATION 相同的数据?
<p><p>我有一个问题。好吧,我为android设备做了一个应用程序。哪个返回我的值(value) </p>
<pre><code> SensorManager sensorManager;
Sensor sensor;
sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
sensor = sensorManager.getDefaultSensor(Sensor.TYPE_LINEAR_ACCELERATION);
sensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_NORMAL);with
public void onSensorChanged(SensorEvent event) {
xAxis = event.values;
zAxis = event.values;
}
</code></pre>
<p>好吧,我想了解一点 iOS 并为 iOS 系统制作这个程序。我怎样才能为 iOS 做这行?我搜索了一下,但并没有真正找到有用的东西。</p></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p><strong>线加速度 = Force/mass = (ax, ay, az),它是一个具有三个方向分量的向量</strong></p>
<pre><code>#import <CoreMotion/CoreMotion.h>
CMMotionManager *manager = [ init];
if (manager.isAccelerometerAvailable) {
manager.accelerometerUpdateInterval = 0.01;
withHandler:^(CMAccelerometerData * _Nullable accelerometerData, NSError * _Nullable error) {
if (accelerometerData != NULL) {
CMAcceleration acceleration = accelerometerData.acceleration;
double x_acceleration = acceleration.x;
double y_acceleration = acceleration.y;
double z_acceleration = acceleration.z;
double linear_acceleration = sqrt(pow(x_acceleration, 2) + pow(y_acceleration, 2) + pow(z_acceleration, 2));
NSLog(@"linear_acceleration: %@", linear_acceleration);
}
}];
}
</code></pre>
<p><code>UIAccelerometer</code> 已弃用并被 <code>CoreMotion</code> 框架取代。</p></p>
<p style="font-size: 20px;">关于ios - iOS 上的线性加速如何获得与 Android TYPE_LINEAR_ACCELERATION 相同的数据?,我们在Stack Overflow上找到一个类似的问题:
<a href="https://stackoverflow.com/questions/42203785/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/42203785/
</a>
</p>
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