Load, play, pause, stop - sound-effects & background music in Cocos2d-x & also set the volume for both

SoundManagement

// load sound effect
CocosDenshion::SimpleAudioEngine::getInstance()->preloadEffect("audio/menu-click.caf");
  
// load background sound
CocosDenshion::SimpleAudioEngine::getInstance()->preloadBackgroundMusic("audio/landing.mp3");
	
// play backgorund sound
CocosDenshion::SimpleAudioEngine::getInstance()->playBackgroundMusic("audio/landing.mp3");
	
// play sound effect
unsigned int a = CocosDenshion::SimpleAudioEngine::getInstance()->playEffect("audio/menu-click.caf");
	
// stop all sound effects
CocosDenshion::SimpleAudioEngine::getInstance()->stopAllEffects();
	
// stop background music
CocosDenshion::SimpleAudioEngine::getInstance()->stopBackgroundMusic();
	
// stop specific sound effect
CocosDenshion::SimpleAudioEngine::getInstance()->stopEffect(a); // where 'a' is unsigned int variable - see line 11
	
// pause all sound effect
CocosDenshion::SimpleAudioEngine::getInstance()->pauseAllEffects();
	
// pause background music
CocosDenshion::SimpleAudioEngine::getInstance()->pauseBackgroundMusic();
	
// pause specific background music
CocosDenshion::SimpleAudioEngine::getInstance()->pauseEffect(a); // where 'a' is unsigned int variable - see line 11
	
// get the 'sound effect' volume level (from 0 to 1)
float volume = CocosDenshion::SimpleAudioEngine::getInstance()->getEffectsVolume();
	
// set the 'sound effect' volume level (from 0 to 1) - here we set 0.5
CocosDenshion::SimpleAudioEngine::getInstance()->setEffectsVolume(0.5);
	
// get the 'background music' volume level (from 0 to 1)
float volume = CocosDenshion::SimpleAudioEngine::getInstance()->getBackgroundMusicVolume();
	
// set the 'background music' volume level (from 0 to 1) - here we set 0.5
CocosDenshion::SimpleAudioEngine::getInstance()->setBackgroundMusicVolume(0.5);