394. (kotlin/코틀린) [Android 13] 안드로이드 AudioManager 사용해 시스템 볼륨 UP , DOWN 수행 - STREAM_SYSTEM

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[개발 환경 설정]

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개발 툴 : AndroidStudio

개발 언어 : Kotlin

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[소스 코드]

 

        // ----------------------------------------------------------------------------------
        // TODO [SEARCH FAST] : [시스템 볼륨 UP]
        // ----------------------------------------------------------------------------------
        fun setSystemVolumeUP(mContext: Context) {
            try {
                // ===============================================================
                S_Log._D_("시스템 볼륨 UP 이벤트 지정", null)
                // ===============================================================

                val mAudioManager = mContext.getSystemService(Context.AUDIO_SERVICE) as AudioManager
                mAudioManager.adjustStreamVolume(AudioManager.STREAM_SYSTEM, AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI)
            } catch (e: Exception) {
                e.printStackTrace()
            }
        }





        // ----------------------------------------------------------------------------------
        // TODO [SEARCH FAST] : [시스템 볼륨 DOWN]
        // ----------------------------------------------------------------------------------
        fun setSystemVolumeDOWN(mContext: Context) {
            try {
                // ===============================================================
                S_Log._D_("시스템 볼륨 DOWN 이벤트 지정", null)
                // ===============================================================

                val mAudioManager = mContext.getSystemService(Context.AUDIO_SERVICE) as AudioManager
                mAudioManager.adjustStreamVolume(AudioManager.STREAM_SYSTEM, AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI)
            } catch (e: Exception) {
                e.printStackTrace()
            }
        }

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