Android: Voice Recording and saving audio

Question

I am working on application that will record the voice of the user and save the file on the SD card and then allow the user to listen to the audio again.

I am able to allow the user to record his voice using the RecognizerIntent, but I cant figure out how to save the audio file and allow the user to hear the audio. I would appreciate it if someone could help me out. I have displayed my code below:

    // Setting up the onClickListener for Audio Button
    attachVoice = (Button) findViewById(R.id.AttachVoice_questionandanswer);
    attachVoice.setOnClickListener(new OnClickListener() {
        public void onClick(View v) {
        Intent voiceIntent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
        voiceIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
        voiceIntent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Please Speak");
        startActivityForResult(voiceIntent, VOICE_REQUEST);
        }
    });

protected void onActivityResult(int requestCode, int resultCode, Intent data) {


  if(requestCode == VOICE_REQUEST && resultCode == RESULT_OK){




}

Answer 1

There is an example of how to do audio capture using MediaRecorder in the Android Developer Documentation.

I would recommend saving the files on the SD Card and then have your gallery code check the SD card to see which files to display. You can get the directory of the SD Card using the Environment.getExternalStorageDirectory() method. It would be best to save your files in a subdirectory of the SD Card root directory.

Make sure you give your applications the Permissions it will need. At the very least it will need RECORD_AUDIO and WRITE_EXTERNAL_STORAGE.

Also you have to see these tutorials:

http://www.androiddevblog.net/android/android-audio-recording-part-1

http://www.androiddevblog.net/android/android-audio-recording-part-2