android SensorEventListener问题
我正在尝试创建一个从数字罗盘读取数据的应用程序。我尝试重用《Professional Android Application Development》一书中的代码，但 IDE 显示了一条注释
SensorListener 类型已弃用
我猜这是因为书中的代码是为早期的 SDK 版本编写的，所以我尝试改用 SensorEventListener。
然后当我尝试注册监听器时
sensorManager.registerListener(sensorListener, SensorManager.SENSOR_ORIENTATION, SensorManager.SENSOR_DELAY_FASTEST);
出现错误：
SensorManager 类型中的方法 registerListener(SensorListener, int, int) 不适用于参数 (SensorEventListener, int, int)
因此我尝试将 SensorEventListener 转换为 SensorListener，但应用程序不起作用。
有谁知道如何在较新的 SDK 版本中使用传感器？
谢谢。
I am trying to create an application which reads data from digital compass. I tried to reuse the code from the book Professional Android Application Development but the IDE displayed a note
The type SensorListener is deprecated
I guess it is because the code from the book is written for the earlier SDK version so I tried to use SensorEventListener instead.
Then when I tried to register the listener
sensorManager.registerListener(sensorListener, SensorManager.SENSOR_ORIENTATION, SensorManager.SENSOR_DELAY_FASTEST);
an error appeared:
The method registerListener(SensorListener, int, int) in the type SensorManager is not applicable for the arguments (SensorEventListener, int, int)
so I tried to cast SensorEventListener to SensorListener, but the application doesn't work.
Does anyone know how to use sensor in newer SDK versions?
Thank you.
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有一个单独的
SensorEventListener类需要使用。请参阅此处。There is a separate
SensorEventListenerclass you need to use. See here.您实际上需要传入一个 Senor 对象，而不仅仅是它的 ID。
传感器传感器=sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION);
sensorManager.registerListener（sensorListener，传感器，SensorManager.SENSOR_DELAY_FASTEST）
You actually need to pass in a Senor object, not just the ID of it.
Sensor sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION);sensorManager.registerListener(sensorListener, sensor, SensorManager.SENSOR_DELAY_FASTEST)
该方法已被弃用，您必须使用
它。
The method is just deprecated, you have to use
instead.
我遇到了同样的问题，但是当我将前两个参数转换为 (SensorEventListener) 和 (Sensor) 时，它起作用了。然后我意识到问题是由于某种原因我将传感器声明为“对象”类型而不是“传感器”类型，因此 Eclipse 无法识别参数的类型。
这对我有用：
但现在我已经正确地将 mAccelerometer 声明为 Sensor 类型，我不再需要强制转换。
I had the same problem but when I casted the first 2 parameters as (SensorEventListener) and (Sensor) it worked. I then realised the problem was that for some reason I had declared the Sensor as type "Object" and not "Sensor", so Eclipse failed to identify the types of parameters.
This worked for me:
But now I have correctly declared mAccelerometer as type Sensor I no longer need the casts.