C++

How to control "the system audio volume" of iOS

Author: h.mohri Use C++Builder 10.2 to control audio volume of iOS. I used the MPVolumeView class of iOS. The MPVolumeView class is declared in “iOSapi.MediaPlayer.hpp”. Include two files. #include <iOSapi.MediaPlayer.hpp> #include <iOSapi.UIKit.hpp> Form design Arrange “Up” and “Down” two TButton. Use this button to control the volume. Add MPVolumeView to…
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