private void track(MotionEvent event) {
mX.saveTouchPos();
mY.saveTouchPos();
for (int i = 0; i < event.getHistorySize(); i++) {
track(
event.getHistoricalX(0, i), event.getHistoricalY(0, i), event.getHistoricalEventTime(i));
}
track(event.getX(0), event.getY(0), event.getEventTime());
if (stopped()) {
if (mState == PanZoomState.PANNING) {
setState(PanZoomState.PANNING_HOLD);
} else if (mState == PanZoomState.PANNING_LOCKED) {
setState(PanZoomState.PANNING_HOLD_LOCKED);
} else {
// should never happen, but handle anyway for robustness
Log.e(LOGTAG, "Impossible case " + mState + " when stopped in track");
setState(PanZoomState.PANNING_HOLD_LOCKED);
}
}
mX.startPan();
mY.startPan();
updatePosition();
}
private void fling() {
updatePosition();
stopAnimationTimer();
boolean stopped = stopped();
mX.startFling(stopped);
mY.startFling(stopped);
startAnimationTimer(new FlingRunnable());
}