Notifier Class

( Phonon::BackendCapabilities::Notifier )
头: #include <Phonon/BackendCapabilities>
Since: Qt 4.4
继承: QObject

信号

void availableAudioOutputDevicesChanged ()
void capabilitiesChanged ()

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详细描述

Notifications about backend capabilities.

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[signal] void Notifier:: availableAudioOutputDevicesChanged ()

This signal is emitted when audio output devices were plugged or unplugged.

Check BackendCapabilities::availableAudioOutputDevices to get the current list of available devices.

[signal] void Notifier:: capabilitiesChanged ()

This signal is emitted if the capabilities have changed. This can happen if the user has requested a backend change.