java.lang.NullPointerException: Attempt to invoke virtual method 'void pts3.botanicagofinal.BackgroundMusic.stop()' on a null object reference

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, 11 months ago
Attempt to invoke virtual method 'void pts3.botanicagofinal.BackgroundMusic.stop()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void pts3.botanicagofinal.BackgroundMusic.stop()' on a null object reference
at pts3.botanicagofinal.Parametres$3.onCheckedChanged(Parametres.java:61)
at android.widget.CompoundButton.setChecked(CompoundButton.java:156)
at android.widget.Switch.setChecked(Switch.java:1071)
at android.widget.Switch.toggle(Switch.java:1066)
at android.widget.CompoundButton.performClick(CompoundButton.java:120)
at android.view.View$PerformClick.run(View.java:22314)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:241)
at android.app.ActivityThread.main(ActivityThread.java:6223)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)

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