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POsound waves during recording in android
 

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    <p>How to implement sound waves during recording sound in android??</p> <p>in the below code</p> <pre><code>super.onCreate(savedInstanceState); setContentView(R.layout.main); resultView = (TextView) findViewById(R.id.output); try { // the soundfile File storageDir = new File(Environment .getExternalStorageDirectory(), "com.hascode.recorders"); storageDir.mkdir(); Log.d(APP_TAG, "Storage directory set to " + storageDir); outfile = File.createTempFile("hascode", ".3gp", storageDir); // init recorder recorder.setAudioSource(MediaRecorder.AudioSource.MIC); recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); recorder.setOutputFile(outfile.getAbsolutePath()); // init player player.setDataSource(outfile.getAbsolutePath()); } catch (IOException e) { Log.w(APP_TAG, "File not accessible ", e); } catch (IllegalArgumentException e) { Log.w(APP_TAG, "Illegal argument ", e); } catch (IllegalStateException e) { Log.w(APP_TAG, "Illegal state, call reset/restore", e); } btRecord = (Button) findViewById(R.id.btRecord); btRecord.setOnClickListener(handleRecordClick); btPlay = (Button) findViewById(R.id.btPlay); btPlay.setOnClickListener(handlePlayClick); } private final OnClickListener handleRecordClick = new OnClickListener() { @Override public void onClick(View view) { if (!recording) { startRecord(); } else { stopRecord(); } } }; private final OnClickListener handlePlayClick = new OnClickListener() { @Override public void onClick(View view) { if (!playing) { startPlay(); } else { stopPlay(); } } }; private void startRecord() { Log.d(APP_TAG, "start recording.."); printResult("start recording.."); try { recorder.prepare(); recorder.start(); recording = true; } catch (IllegalStateException e) { Log .w(APP_TAG, "Invalid recorder state .. reset/release should have been called"); } catch (IOException e) { Log.w(APP_TAG, "Could not write to sd card"); } } private void stopRecord() { Log.d(APP_TAG, "stop recording.."); printResult("stop recording.."); recorder.stop(); recorder.reset(); recorder.release(); recording = false; } private void startPlay() { Log.d(APP_TAG, "starting playback.."); printResult("start playing.."); try { playing = true; player.prepare(); player.start(); } catch (IllegalStateException e) { Log.w(APP_TAG, "illegal state .. player should be reset"); } catch (IOException e) { Log.w(APP_TAG, "Could not write to sd card"); } } private void stopPlay() { Log.d(APP_TAG, "stopping playback.."); printResult("stop playing.."); player.stop(); player.reset(); player.release(); playing = false; } private void printResult(String result) { resultView.setText(result); } </code></pre>
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    1. COcan any one answer this
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      1. USRamz
    2. COThe question doesn't make sense. You don't implement sound waves, the device records them. Also, [sample code](http://sscce.org/) should be minimized (which means as short as possible to produce a complete example, but no shorter).
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