Control audio recording on mobile device. Audio file is saved in LMA's logical file system. Maximum audio length depends on the device storage space.

Properties

File

A string value indicates the fully qualified name of the file to record.

CompressionLevel

An integer from 1 to 5 that indicates the level of compression (1 is the lowest compression level, best quality, 5 is highest compression level, lowest quality). Default is 2.

Duration

An integer specifies the max recording duration in seconds. No limit when set to 0.

Methods

Record

Start recording.

  • Input Arguments: None
  • Output Argument: None.
  • Return Value: Status Code

Stop

Stop recording.

  • Input Arguments: None
  • Output Argument: None.
  • Return Value: None.

Events

Started

Triggered when recoding is started.

  • Parameters:

Name

Type

Description

Status

Enum

See Status Code

Completed

Triggered when audio recording is finished.

  • Parameters:

Name

Type

Description

Status

Enum

See Status Code

Message

String


 RecordFinished

Triggered when recoding has reached to duration limit.

  • Parameters: None

Code Examples

    Define_Com Class(#xDeviceAudioRecord) Name(#AudioRecord)

    Evtroutine Handling(#COM_OWNER.Initialize)  
      #Record.Enabled := false  
      #Stop.Enabled := false
    Endroutine

    Evtroutine Handling(#AudioRecord.Initialize)  
      #Record.Enabled := true  
      #Stop.Enabled := true
    Endroutine

    Evtroutine Handling(#Record.Click)  
      #AudioRecord.File := 'MyVoice'  
      #AudioRecord.SampleRate := 44100  
      #AudioRecord.Channels := 2  
      #AudioRecord.Record()
    Endroutine

    Evtroutine Handling(#AudioRecord.Started) Status(#lstatus)  
      If (#lstatus = 'OK')    
        #Status := 'Recording started'  
      Else    
        #Status := 'Error starting recording: ' + #lstatus  
      Endif
    Endroutine

    Evtroutine Handling(#AudioRecord.Completed) Status(#lstatus)  
      Case (#lstatus)  
      When ('= OK')    
        #Status := 'Recording finished'  
      Otherwise    
        #Status := 'Error with recording: ' + #lstatus  
      Endcase
    Endroutine

    Evtroutine Handling(#Stop.Click)  
      #AudioRecord.Stop
    Endroutine
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