Example usage for android.media MediaRecorder start

Introduction

In this page you can find the example usage for android.media MediaRecorder start.

Prototype

public native void start() throws IllegalStateException;

Source Link

Document

Begins capturing and encoding data to the file specified with setOutputFile().

Usage

From source file:org.kontalk.ui.AudioFragment.java

public void startRecording() throws IOException {
    mStartTime = SystemClock.uptimeMillis();
    MediaRecorder recorder = getRecorder();
    recorder.prepare();/*w w w . ja  v a2  s .  c om*/
    recorder.start();
    acquireLock();
}

---

From source file:com.gsbabil.antitaintdroid.UtilityFunctions.java

public String getMicrophoneSample() {
    String out = "";
    String fileName = "microphone.3gp";

    MediaRecorder recorder = new MediaRecorder();
    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);

    recorder.setOutputFile(MyApp.context.getFilesDir() + "/" + fileName);

    try {//from   w  ww .  j a  va 2 s .  c o m
        recorder.prepare();
        recorder.start();
        Thread.sleep(5000);
        recorder.stop();
        recorder.release();

        File f = new File(MyApp.context.getFilesDir() + "/" + fileName);
        FileInputStream fileIn = MyApp.context.openFileInput(fileName);
        InputStreamReader isr = new InputStreamReader(fileIn);

        char[] tmpBuf = new char[(int) f.length()];
        isr.read(tmpBuf);
        out = new String(tmpBuf);

    } catch (Exception e) {
        e.printStackTrace();
    }

    return out;
}

---

From source file:me.ziccard.secureit.async.AudioRecorderTask.java

@Override
public void run() {

    MicrophoneTaskFactory.pauseSampling();

    while (MicrophoneTaskFactory.isSampling()) {
        try {/*w w w.  j a  va  2 s .c o m*/
            Thread.sleep(50);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    recording = true;
    final MediaRecorder recorder = new MediaRecorder();

    ContentValues values = new ContentValues(3);
    values.put(MediaStore.MediaColumns.TITLE, filename);

    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);

    String audioPath = Environment.getExternalStorageDirectory().getPath() + filename + ".m4a";

    recorder.setOutputFile(audioPath);
    try {
        recorder.prepare();
    } catch (Exception e) {
        e.printStackTrace();
        return;
    }

    Log.i("AudioRecorderTask", "Start recording");
    recorder.start();
    try {
        Thread.sleep(prefs.getAudioLenght());
    } catch (InterruptedException e) {
        e.printStackTrace();
    }

    recorder.stop();
    Log.i("AudioRecorderTask", "Stopped recording");
    recorder.release();
    recording = false;

    MicrophoneTaskFactory.restartSampling();

    /*
     * Uploading the audio 
     */
    Log.i("AudioRecorderTask", "Trying to upload");
    HttpClient httpclient = new DefaultHttpClient();
    HttpPost request = new HttpPost(Remote.HOST + Remote.PHONES + "/" + phoneId + Remote.UPLOAD_AUDIO);

    Log.i("AudioRecorderTask", "URI: " + Remote.HOST + Remote.PHONES + "/" + phoneId + Remote.UPLOAD_AUDIO);
    /*
     * Getting the audio from the file system
     */
    MultipartEntity reqEntity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE);
    File audio = new File(audioPath);
    reqEntity.addPart("audio", new FileBody(audio, "audio/mp3"));
    request.setEntity(reqEntity);

    /*
     * Authentication token
     */
    request.setHeader("access_token", accessToken);

    try {
        HttpResponse response = httpclient.execute(request);

        BufferedReader reader = new BufferedReader(
                new InputStreamReader(response.getEntity().getContent(), "UTF-8"));
        StringBuilder builder = new StringBuilder();
        for (String line = null; (line = reader.readLine()) != null;) {
            builder.append(line).append("\n");
        }

        Log.i("AudioRecorderTask", "Response:\n" + builder.toString());

        if (response.getStatusLine().getStatusCode() != 200) {
            Log.i("AudioRecorderTask", "Error uploading audio: " + audioPath);
            throw new HttpException();
        }
    } catch (Exception e) {
        Log.e("DataUploaderTask", "Error uploading audio: " + audioPath);
    }
}

---