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MediaPlayer Framework Reference Media Player Functions Reference

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Media Player Functions Reference

The Media Player framework defines several functions for use in displaying and hiding volume controls.

Functions

  • Displays an alert panel for controlling the system volume.

    Declaration

    Swift

    func MPVolumeSettingsAlertShow()

    Objective-C

    void MPVolumeSettingsAlertShow ( void );

    Discussion

    The alert panel displayed by this function floats above the contents of the current window. It contains a slider for adjusting the system volume setting and a Done button so that the user can dismiss the panel. You can also dismiss the panel programmatically using the MPVolumeSettingsAlertHide function.

    Import Statement

    import MediaPlayer

    Availability

    Available in iOS 2.0 and later.

  • Hides the alert panel that controls the system volume.

    Declaration

    Swift

    func MPVolumeSettingsAlertHide()

    Objective-C

    void MPVolumeSettingsAlertHide ( void );

    Import Statement

    import MediaPlayer

    Availability

    Available in iOS 2.0 and later.

  • Returns a Boolean value indicating whether the volume alert panel is currently visible.

    Declaration

    Swift

    func MPVolumeSettingsAlertIsVisible() -> Bool

    Objective-C

    BOOL MPVolumeSettingsAlertIsVisible ( void );

    Return Value

    YEStrue if the volume alert is visible; otherwise, NOfalse.

    Import Statement

    import MediaPlayer

    Availability

    Available in iOS 2.0 and later.