private void startScolling() {
mVelocityTracker.computeCurrentVelocity(1000, mMaxFlingVelocity);
int velocity = (int) mVelocityTracker.getYVelocity();
if (!mScroller.isFinished()) {
mScroller.forceFinished(true);
}
int progress = mProgressManager.getCurrentHeight();
int end;
if (Math.abs(velocity) > mMinFlingVelocity) {
if (velocity > 0) {
end = mProgressManager.getEndSize() - progress;
} else {
end = -progress;
}
} else {
int endSize = mProgressManager.getEndSize();
if (endSize / 2 <= progress) {
end = endSize - progress;
} else {
end = -progress;
}
}
mScroller.startScroll(0, progress, 0, end);
mCalendarView.postInvalidate();
mState = State.SETTLING;
}
public void onDraw() {
if (!mScroller.isFinished()) {
mScroller.computeScrollOffset();
float position = mScroller.getCurrY() * 1f / mProgressManager.getEndSize();
mProgressManager.apply(position);
mCalendarView.postInvalidate();
} else if (mState == State.SETTLING) {
mState = State.IDLE;
float position = mScroller.getCurrY() * 1f / mProgressManager.getEndSize();
mProgressManager.finish(position > 0);
mProgressManager = null;
}
}
