Modernize the Audio Devices example

Changed the style of member initialization.
Provided small cleanup.
Changed 0 to nullptr.
Changed to new signal/slot style if possible.

Task-number: QTBUG-60627
Change-Id: I995d62b8d3741c719565f5b203b1046e8701d238
Reviewed-by: Christian Stromme <christian.stromme@qt.io>

1 files changed, 4 insertions, 5 deletions

diff --git a/examples/multimedia/audiodevices/audiodevices.h b/examples/multimedia/audiodevices/audiodevices.h
index 2cc58eb6c..17f214a47 100644
--- a/examples/multimedia/audiodevices/audiodevices.h
+++ b/examples/multimedia/audiodevices/audiodevices.h
@@ -59,12 +59,11 @@ class AudioTest : public AudioDevicesBase
     Q_OBJECT
 
 public:
-    AudioTest(QWidget *parent = 0);
-    virtual ~AudioTest();
+    explicit AudioTest(QWidget *parent = nullptr);
 
-    QAudioDeviceInfo deviceInfo;
-    QAudioFormat settings;
-    QAudio::Mode mode;
+private:
+    QAudioDeviceInfo m_deviceInfo;
+    QAudioFormat m_settings;
 
 private slots:
     void modeChanged(int idx);