@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
if (started) {
recordTask.cancel(true);
}
started = false;
super.onSaveInstanceState(savedInstanceState);
}
@Override
public void onPause() {
if (started) {
recordTask.cancel(true);
}
started = false;
analyseButtonText.setText("Start Analyzing");
if (!MainActivity.analyzeMode) {
visualizer.release();
}
super.onPause();
}
/** Turns analyzing on and off -- makes new canvas (and visualizer) */
public void toggleAnalyse(View v) {
if (started) {
if (MainActivity.autoSave) {
T.cancel();
}
timeCount = 0;
started = false;
analyseButtonText.setText("Start Analyzing");
recordTask.cancel(true);
bitmap = Bitmap.createBitmap((int) imageWidth, (int) imageHeight, Bitmap.Config.ARGB_8888);
canvas = new Canvas(bitmap);
imageView.setImageBitmap(bitmap);
canvas.drawColor(0xFF444444);
imageView.invalidate();
note[0] = ""; // resets note
if (!MainActivity.analyzeMode) {
visualizer.release();
}
} else {
timeCount = 0;
if (MainActivity.autoSave) {
T = new Timer();
T.scheduleAtFixedRate(
new TimerTask() {
@Override
public void run() {
getActivity()
.runOnUiThread(
new Runnable() {
@Override
public void run() {
timeCount++;
}
});
}
},
10,
10);
setFileName();
writeToFile("", false);
}
drawVisualization(imageView, "start");
if (!MainActivity.analyzeMode) {
visualizer = new Visualizer(0);
}
}
}
/** Draws (and starts) the FFT visualizer */
public void drawVisualization(View v, String start) {
getNewDimensions(v);
bitmap = Bitmap.createBitmap((int) imageWidth, (int) imageHeight, Bitmap.Config.ARGB_8888);
canvas = new Canvas(bitmap);
paint = new Paint();
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth((int) multiply * 5);
paint.setColor(0xFF0099CC);
imageView.setImageBitmap(bitmap);
if (start == "start") {
started = true;
analyseButtonText.setText("Stop Analyzing");
recordTask = new RecordAudio();
recordTask.execute();
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fourier);
transformer = new RealDoubleFFT(blockSize);
imageView = (ImageView) findViewById(R.id.fourierView);
bitmap = Bitmap.createBitmap(512, 200, Bitmap.Config.ARGB_8888);
canvas = new Canvas(bitmap);
paint = new Paint();
paint.setColor(Color.GREEN);
imageView.setImageBitmap(bitmap);
recordTask = new RecordAudio();
recordTask.execute();
}
@Override
protected void onPause() {
recordTask.cancel(true);
super.onPause();
}
@Override
protected void onDestroy() {
recordTask.cancel(true);
super.onDestroy();
}
