public void loadSong(int s) { TextView songName = (TextView) findViewById(R.id.textViewSong); if (s == 1) { songName.setText(songName1); bpm = bpm1; metronome.setTempo(bpm); } if (s == 2) { songName.setText(songName2); bpm = bpm2; metronome.setTempo(bpm); } if (s == 3) { songName.setText(songName3); bpm = bpm3; metronome.setTempo(bpm); } if (s == 4) { songName.setText(songName4); bpm = bpm4; metronome.setTempo(bpm); } if (s == 5) { songName.setText(songName5); bpm = bpm5; metronome.setTempo(bpm); } bpmTextView.setText(String.valueOf(bpm)); }
/** * Calculates average tempo of touches, sets it and starts metronome. Calculates tempo from 57 to * 200 bpm. Re-calculate after 1100 ms pause* */ private void tapTempo() { int hp = metronome.headPosition(); bpmf = bpm; playStatePrevious = metronome.getPlayState(); // If tapped while playing, just after the previous click, it doesn't click again, just delays // next click. if (playStatePrevious == 3) { if (hp < 8820) { metronome.setDelay(hp / 44100 * 1000); } } else { flasher(); metronome.play(); startDelayHandler.postDelayed(startDelay, 20000 / bpm); // } if (tapCount == 0) { // On the first tap it only records time timeFirstTap = System.currentTimeMillis(); timeLastTap = timeFirstTap; tapCount++; } else if ((System.currentTimeMillis() - timeLastTap) < 1050) { // Maximum time between taps is set to 1050 ms (57 bpm) if (hp > 8820) { // If tapped while playing, after less than 8820 samples from the previous // click, it doesn't stop, just delays next click. metronome.stop(); } timeLastTap = System.currentTimeMillis(); exactBpmMs = (double) (timeLastTap - timeFirstTap) / tapCount; exactBpm = 60000 / exactBpmMs; tapBpm = (int) Math.round(exactBpm); Log.i("exactBpm", "" + exactBpm); Log.i("tapBpm", "" + tapBpm); if (tapBpm > 200) tapBpm = 200; metronome.setTempo(tapBpm); bpm = tapBpm; bpmTextView.setText(String.valueOf(tapBpm)); tapCount++; if (hp > 7340) { metronome.play(); startDelayHandler.postDelayed(startDelay, (20000 / bpm)); } } else { tapCount = 1; timeFirstTap = System.currentTimeMillis(); timeLastTap = timeFirstTap; } }
@Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { Log.i("msg", "onScroll X=" + distanceX + " Y=" + distanceY); if (Math.abs(distanceY) > Math.abs(distanceX) * 1.5) { if (playStatePrevious != 3) // prevents starting metronome when changing tempo stop = true; flasherState = 0; bpmf = bpmf + distanceY / 10; if (bpmf > 49 || bpmf < 201) { bpm = ((int) bpmf); bpmTextView.setText(String.valueOf(bpm)); metronome.setTempo(bpm); } } return false; }