I/System.out: AudioSystem stream 9 STREAM_TTSĭ/: After 1st: 12ītw, if you want to research related C sourse code you can look at android_media_ToneGenerator.cpp, ToneGenerator.h, ToneGenerator.cpp AudioService. Each button if clicked will invoke playSound method. Add the following code in activitymain.xml file. In this raw folder paste your audio clips. I/System.out: AudioSystem stream 8 STREAM_DTMFĭ/: After 1st: 26 Approach: Create a new Android Resource Directory and for that right-click on res folder -> Android Resource Directory, make sure to select resource type as raw. I/System.out: AudioSystem stream 7 STREAM_SYSTEM_ENFORCEDĭ/: After 1st: 324 FREE 2-day Shipping: Multi-task tester This handy little tool from PAC helps you test RCA cable continuity and speaker polarity, as well as adjust amp gain. In a Thread started by OnClickListener.onClick(): long startTime System.currentTimeMillis() In the constructor: mDTMFPlayer new ToneGenerator(AudioManager.STREAMVOICECALL, TONERELATIVEVOLUME) Member variables: private ToneGenerator mDTMFPlayer But on the first call, it blocks for a long period of time. I/System.out: AudioSystem stream 6 STREAM_BLUETOOTH_SCOĭ/: After 1st: 332 I/System.out: AudioSystem stream 5 STREAM_NOTIFICATIONĭ/: After 1st: 16 I/System.out: AudioSystem stream 4 STREAM_ALARM I/System.out: AudioSystem stream 3 STREAM_MUSICĭ/: After 1st: 19 I/System.out: AudioSystem stream 2 STREAM_RINGĭ/: After 1st: 28 I/System.out: AudioSystem stream 1 STREAM_SYSTEMĭ/: After 1st: 17 I/System.out: AudioSystem stream 0 STREAM_VOICE_CALLĭ/: After 1st: 325 Output: I/System.out: AudioSystem stream -1 STREAM_DEFAULT Log.d(TAG,"After 1st: " + (System.currentTimeMillis() - startTime)) MDTMFPlayer.startTone(ToneGenerator.TONE_DTMF_0) In a Thread started by OnClickListener.onClick(): long startTime = System.currentTimeMillis() In the constructor: mDTMFPlayer = new ToneGenerator(AudioManager.STREAM_VOICE_CALL, TONE_RELATIVE_VOLUME) Member variables: private ToneGenerator mDTMFPlayer But on the first call, it blocks for a long period of time. I'm calling ToneGenerator.startTone() repeatedly to issue short bursts of sound.
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