Tutorial :How to play native camera sound on Android



Question:

I would like to play native camera shutter sound clip on camera preview capture. I'm referring to the sound clip played when takePicture() is called.
How could I that? Can someone walk me through the steps?


Solution:1

This resource explains how to play audio files: https://developer.android.com/guide/topics/media/index.html

You'll probably have to provide your own shutter sound effect.


Solution:2

You can use the MediaActionSound class (available from API 16). For example:

MediaActionSound sound = new MediaActionSound();  sound.play(MediaActionSound.SHUTTER_CLICK);  


Solution:3

If the system file is there, you can use it like this:

public void shootSound()  {      AudioManager meng = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);      int volume = meng.getStreamVolume( AudioManager.STREAM_NOTIFICATION);        if (volume != 0)      {          if (_shootMP == null)              _shootMP = MediaPlayer.create(getContext(), Uri.parse("file:///system/media/audio/ui/camera_click.ogg"));          if (_shootMP != null)              _shootMP.start();      }  }  


Solution:4

You may want to use SoundPool

SoundPool soundPool = new SoundPool(1, AudioManager.STREAM_NOTIFICATION, 0);  int shutterSound = soundPool.load(this, R.raw.camera_click, 0);  

and then to play the sound

soundPool.play(shutterSound, 1f, 1f, 0, 0, 1);  

Check out http://developer.android.com/reference/android/media/SoundPool.html to understand the parameters.

You will need a media file called camera_click.ogg in your project at res/raw. You should be able to use the Android default sound which can be obtained from the Android open source project in the following location ( frameworks/base/data/sounds/effects/camera_click.ogg ) if your project is licensed under the Apache license. If your project isn't licensed under the Apache license I have no idea if you can use it or not. I am not a lawyer.


Solution:5

This snippet will help you to play sound only when the ringer mode is in normal mode and not in silent or vibrate.

private var audioManager: AudioManager? = null  private var mediaPlayer: MediaPlayer? = null    private fun initAudio() {      Log.v(LOG_TAG, "initAudio")        audioManager ?: let {          audioManager = context!!.getSystemService(Context.AUDIO_SERVICE) as AudioManager?      }        mediaPlayer = try {          MediaPlayer().apply {              if (Build.VERSION.SDK_INT >= 21) {                  val audioAttributes = AudioAttributes.Builder()                      .setUsage(AudioAttributes.USAGE_MEDIA)                      .setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)                      .build()                  setAudioAttributes(audioAttributes)              } else {                  setAudioStreamType(AudioManager.STREAM_MUSIC)              }              if (Build.VERSION.SDK_INT <= 28) {                  setDataSource(context!!, Uri.parse("file:///system/media/audio/ui/camera_click.ogg"))              } else {                  setDataSource(context!!, Uri.parse("file:///system/product/media/audio/ui/camera_click.ogg"))              }              prepare()          }      } catch (e: Exception) {          Log.e(LOG_TAG, "initAudio", e)          null      }  }    private fun playClickSound() {        if (audioManager?.ringerMode == AudioManager.RINGER_MODE_NORMAL) {          mediaPlayer?.start()      }  }  

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