private void handleActionUp(MotionEvent event) {
if (whichCardOnTouch == -1 || !isTouchOnCard) return;
long pressDuration = System.currentTimeMillis() - mPressStartTime;
computeVelocity();
if (!isDisplaying
&& ((event.getY() - firstDownY < 0
&& (Math.abs(event.getY() - firstDownY) > mMoveDistanceToTrigger))
|| (yVelocity < 0
&& Math.abs(yVelocity) > mMinVelocity
&& Math.abs(yVelocity) > Math.abs(xVelocity)))) {
displayCard(whichCardOnTouch);
} else if (!isDisplaying
&& pressDuration < MAX_CLICK_TIME
&& // means click
distance(firstDownX, firstDownY, event.getX(), event.getY()) < MAX_CLICK_DISTANCE) {
displayCard(whichCardOnTouch);
} else if (!isDisplaying
&& isDragging
&& ((event.getY() - firstDownY > 0)
|| Math.abs(event.getY() - firstDownY) < mMoveDistanceToTrigger)) {
hideCard(whichCardOnTouch);
} else if (isDisplaying) {
float currentY = ViewHelper.getY(getChildAt(mDisplayingCard));
if (currentY < mMarginTop || currentY < (mMarginTop + mMoveDistanceToTrigger)) {
ObjectAnimator.ofFloat(getChildAt(mDisplayingCard), "y", currentY, mMarginTop)
.setDuration(mDuration)
.start();
} else if (currentY > (mMarginTop + mMoveDistanceToTrigger)) {
hideCard(mDisplayingCard);
}
}
isTouchOnCard = false;
deltaY = 0;
isDragging = false;
}
private boolean handleActionDown(MotionEvent event) {
boolean isConsume = false;
mPressStartTime = System.currentTimeMillis();
firstDownY = downY = event.getY();
firstDownX = event.getX();
int childCount = isExistBackground ? (mChildCount - 1) : mChildCount;
// Judge which card on touching
if (!isDisplaying && downY > (getMeasuredHeight() - mChildCount * mTitleBarHeightNoDisplay)) {
for (int i = 1; i <= mChildCount; i++) {
if (downY
< (getMeasuredHeight()
- mChildCount * mTitleBarHeightNoDisplay
+ mTitleBarHeightNoDisplay * i)) {
whichCardOnTouch = i - 1;
isTouchOnCard = true;
if (mOnDisplayOrHideListener != null)
mOnDisplayOrHideListener.onTouchCard(whichCardOnTouch);
isConsume = true;
break;
}
}
mTouchingViewOriginY = ViewHelper.getY(getChildAt(whichCardOnTouch));
} else if (isDisplaying
&& downY > (getMeasuredHeight() - (childCount - 1) * mTitleBarHeightDisplay)) {
hideCard(mDisplayingCard);
} else if (isDisplaying
&& downY > mMarginTop
&& mDisplayingCard >= 0
&& downY < getChildAt(mDisplayingCard).getMeasuredHeight() + mMarginTop) {
whichCardOnTouch = mDisplayingCard;
isTouchOnCard = true;
} else if (isDisplaying
&& (downY < mMarginTop
|| (mDisplayingCard >= 0
&& (downY > mMarginTop + getChildAt(mDisplayingCard).getMeasuredHeight())))) {
hideCard(mDisplayingCard);
}
if (isExistBackground && whichCardOnTouch == 0) {
isTouchOnCard = false;
}
return isConsume;
}
public void hide(int index) {
if (isExistBackground) index++;
if (index != mDisplayingCard || !isDisplaying) return;
if (index >= mChildCount) throw new IllegalArgumentException("Card Index Not Exist");
hideCard(index);
}