Accelerometer Class¶
Description¶
Accelerometer调用了系统提供的加速度计,输出 AccelerometerResult 。
当不再需要该设备时,可以调用close对其进行关闭。close之后不应继续使用。
不建议同时打开多次,可能会无法使用或精度下降。
Constructor¶
- C
- void easyar_Accelerometer__ctor(easyar_Accelerometer * * Return) 
- C++
- Accelerometer() 
- Java
- public Accelerometer() 
- Kotlin
- constructor() 
- Objective-C
- + (easyar_Accelerometer *) create 
- Swift
- public convenience init() 
- C#
- public Accelerometer() 
isAvailable¶
检查是否可用。只在Android或iOS上且硬件支持时返回true。其他操作系统暂不支持。
- C
- bool easyar_Accelerometer_isAvailable(easyar_Accelerometer * This) 
- C++
- bool isAvailable() 
- Java
- public boolean isAvailable() 
- Kotlin
- fun isAvailable(): Boolean 
- Objective-C
- - (bool)isAvailable 
- Swift
- public func isAvailable() -> Bool 
- C#
- public virtual bool isAvailable() 
output¶
输出端口。
- C
- void easyar_Accelerometer_output(easyar_Accelerometer * This, easyar_AccelerometerResultSource * * Return) 
- C++
- std::shared_ptr<AccelerometerResultSource> output() 
- Java
- public @Nonnull AccelerometerResultSource output() 
- Kotlin
- fun output(): AccelerometerResultSource 
- Objective-C
- - (easyar_AccelerometerResultSource *)output 
- Swift
- public func output() -> AccelerometerResultSource 
- C#
- public virtual AccelerometerResultSource output() 
open¶
打开设备。采样周期由内部实现所确定。如果打开失败,返回false。
- C
- bool easyar_Accelerometer_open(easyar_Accelerometer * This) 
- C++
- bool open() 
- Java
- public boolean open() 
- Kotlin
- fun open(): Boolean 
- Objective-C
- - (bool)open 
- Swift
- public func `open`() -> Bool 
- C#
- public virtual bool open() 
openWithSamplingPeriod¶
以特定采样周期打开设备。采样周期会受到硬件限制而可能无法达到指定值。如果打开失败,返回false。
- C
- bool easyar_Accelerometer_openWithSamplingPeriod(easyar_Accelerometer * This, int samplingPeriodMilliseconds) 
- C++
- bool openWithSamplingPeriod(int samplingPeriodMilliseconds) 
- Java
- public boolean openWithSamplingPeriod(int samplingPeriodMilliseconds) 
- Kotlin
- fun openWithSamplingPeriod(samplingPeriodMilliseconds: Int): Boolean 
- Objective-C
- - (bool)openWithSamplingPeriod:(int)samplingPeriodMilliseconds 
- Swift
- public func openWithSamplingPeriod(_ samplingPeriodMilliseconds: Int32) -> Bool 
- C#
- public virtual bool openWithSamplingPeriod(int samplingPeriodMilliseconds) 
close¶
关闭设备。close之后不应继续使用。
- C
- void easyar_Accelerometer_close(easyar_Accelerometer * This) 
- C++
- void close() 
- Java
- public void close() 
- Kotlin
- fun close(): Unit 
- Objective-C
- - (void)close 
- Swift
- public func close() -> Void 
- C#
- public virtual void close() 
getCurrentResult¶
获取当前的最新结果。如果结果尚未获取到,返回空。
- C
- easyar_OptionalOfAccelerometerResult easyar_Accelerometer_getCurrentResult(easyar_Accelerometer * This) 
- C++
- std::optional<AccelerometerResult> getCurrentResult() 
- Java
- public @Nullable AccelerometerResult getCurrentResult() 
- Kotlin
- fun getCurrentResult(): AccelerometerResult? 
- Objective-C
- - (easyar_AccelerometerResult *)getCurrentResult 
- Swift
- public func getCurrentResult() -> AccelerometerResult? 
- C#
- public virtual Optional<AccelerometerResult> getCurrentResult()