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”.
Table of Contents
Include two files.
[crayon-67401ae8c0eee477482641/]
Form design
Arrange “Up” and “Down” two TButton. Use this button to control the volume.
Add MPVolumeView to the main form Class
Add “_di_MPVolumeView” and “_di_UISlider” to the form class.
[crayon-67401ae8c0ef9109483953/]
Main Form constructor
[crayon-67401ae8c0efb118838420/]
Code of volume down button
[crayon-67401ae8c0efd591398999/]
Code of volume up button
[crayon-67401ae8c0f00171367405/]
Execute the program.
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