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    Accelerometer

    Last updated: 2024-11-21 18:48:11
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      starAccelerometer

      This API is used via wx.startAccelerometer(Object object).
      Note:
      Depending on the performance of the device, as well as the current CPU and memory usage, there may be some discrepancies between the set interval and the actual execution frequency of the wx.onAccelerometerChange callback function.
      Feature Description: Starts monitoring acceleration data.
      Parameter and Description: Object.
      Attribute
      Type
      Default value
      Required
      Description
      interval
      string
      normal
      No
      Execution frequency of the callback function for monitoring acceleration data
      success
      function
      -
      No
      Callback Function of Successful Interface Call
      fail
      function
      -
      No
      Callback Function of Failing Interface Call
      complete
      function
      -
      No
      Callback function executed upon the completion of the interface invocation (both successful and unsuccessful invocations)
      Valid values of object.interval
      Value
      Description
      game
      Suitable for updating the callback frequency of the game, approximately every 20 ms.
      ui
      Suitable for updating the callback frequency of the UI, approximately every 60 ms.
      normal
      Regular callback frequency, approximately every 200 ms.
      Sample Code
      wx.startAccelerometer({
        interval: 'game'
      })

      stopAccelerometer

      This API is used via wx.stopAccelerometer(Object object).
      Feature Description: Stops monitoring acceleration data.
      Parameter and Description: Object.
      Attribute
      Type
      Default value
      Required
      Description
      success
      function
      -
      No
      Callback Function of Successful Interface Call
      fail
      function
      -
      No
      Callback Function of Failing Interface Call
      complete
      function
      -
      No
      Callback function executed upon the completion of the interface invocation (both successful and unsuccessful invocations)
      Sample Code
      wx.stopAccelerometer()

      onAccelerometerChange

      This API is used via wx.onAccelerometerChange(function listener).
      Feature Description: Monitor acceleration data events. The frequency depends on the interval parameter of wx.startAccelerometer(). The monitoring can be stopped using wx.stopAccelerometer().
      Parameter and Description: Function callback.
      The callback function for acceleration data events:
      Attribute
      Type
      Description
      x
      number
      X-axis
      y
      number
      Y-axis
      z
      number
      Z-axis
      Sample Code
      wx.onAccelerometerChange(function (res) {
        console.log(res.x)
        console.log(res.y)
        console.log(res.z)
      })

      offAccelerometerChange

      This API is used via wx.offAccelerometerChange(function listener).
      Feature Description:
      Parameters and Description: function listener, the listening function passed into onAccelerometerChange. If this parameter is not provided, all listening functions will be removed.
      Sample Code
      const listener = function (res) { console.log(res) }
      
      wx.onAccelerometerChange(listener)
      wx.offAccelerometerChange(listener) // The same function object as the listener must be passed in.
      
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