libpd record sample and play

public class SampleGuppy extends Activity implements OnClickListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sampleguppy);

        initSound();
        initialiseModel();

        //Set up our buttons
        recordButton = (Button) findViewById(R.id.record_button);
        recordButton.setOnClickListener(this);
        playButton   = (Button) findViewById(R.id.playback_button);
        playButton.setOnClickListener(this);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_sampleguppy, menu);
        return true;
    }


      /**
     * Custom controls
     */
    private Button recordButton;
    private Button playButton;


    /**
     * Custom behavior
     */

    private void initialiseModel() {
       // CaptureSingleton.INSTANCE.production = new Production();

        File f = getFilesDir();
        String path = f.getAbsolutePath();
        File newFile = new File(path + "/sampleguppy.settings");
        try {
            newFile.createNewFile();
        }
        catch(IOException e){
            Log.e("Create File", e.getLocalizedMessage());
        }
    }

    /**
     * UI Actions
     */

    boolean isRecording = false;

    //Make a recording and save it to a file
    private void record() {
        if(!isRecording){
            PdBase.sendSymbol("recordfilename", "x.aiff");
            PdBase.sendBang("openfile");
            PdBase.sendBang("record");
        }
        else {
            PdBase.sendBang("stoprecording");
        }
        isRecording = !isRecording;
    }

    //play back the last recording from the file called 'recorded'
    public void play() {
        PdBase.sendSymbol("playfilename", "x.aiff");
        PdBase.sendBang("readfile");
        PdBase.sendBang("play");
    }


    @Override
    public void onClick(View v) {
        switch(v.getId()){
        case R.id.record_button:
            record();
            break;
        case R.id.playback_button:
            play();
        }
    }

    /**
     * Lib PD
     */
     private PdUiDispatcher dispatcher;

     private void initPd() throws IOException {
         //configure audio glue
         int sampleRate = AudioParameters.suggestSampleRate();
         PdAudio.initAudio(sampleRate, 0, 2, 8, true);

         //setup the dispatcher
         dispatcher = new PdUiDispatcher();
         PdBase.setReceiver(dispatcher);
     }

     private void loadPatch() throws IOException {
         File dir = getFilesDir();
         File patchFile = new File(dir, "recorder5.pd");
         IoUtils.extractZipResource(getResources().openRawResource(R.raw.recorder), dir, true);
         PdBase.openPatch(patchFile.getAbsolutePath());
     }

     private void initSound(){
         try {
             initPd();
             loadPatch();
         }
         catch(IOException e){
              Log.e("Guppyizer", e.toString());
             finish();
         }
     }


     /* Lifecycle methods PD needs */
    @Override
    protected void onStart() {
        super.onStart();
        PdAudio.startAudio(this);
    }

    @Override
    protected void onStop() {
        PdAudio.stopAudio();
        super.onStop();
    }


     @Override
     protected void onResume() {
         super.onResume();
         PdAudio.startAudio(this);
     }


     @Override
     protected void onPause(){
         super.onPause();
         PdAudio.stopAudio();
     }

     @Override
     protected void onDestroy() {
         super.onDestroy();
         PdAudio.release();
         PdBase.release();
     }




}