public Cursor getItemForView(View view) {
final int index = mListView.getPositionForView(view);
if (index < 0) {
return null;
}
return (Cursor) mListView.getAdapter().getItem(index);
}
private void checkTask(View v) {
int position = l.getPositionForView((View) v.getParent());
position = position + 1;
d1 = d1.getInstance(getActivity());
openDb();
}
@Override
public void onClick(View view) {
int position = listView.getPositionForView(view);
if (position != ListView.INVALID_POSITION) {
setChosen(listView, position, ((Checkable) view).isChecked());
}
}
public void deleteTask(View v) {
int position = l.getPositionForView((View) v.getParent());
position = position + 1;
d1 = d1.getInstance(getActivity());
openDb();
d1.deleteProduct(position);
d1.transaction();
populateListView();
}
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (mViewWidth < 2) {
mViewWidth = mListView.getWidth();
}
switch (motionEvent.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
{
if (mPaused) {
return false;
}
if (mSwiping) {
return true;
}
// TODO: ensure this is a finger, and set a flag
// Find the child view that was touched (perform a hit test)
Rect rect = new Rect();
int childCount = mListView.getChildCount();
int headerCount = mListView.getHeaderViewsCount();
int footerCount = mListView.getFooterViewsCount();
int[] listViewCoords = new int[2];
mListView.getLocationOnScreen(listViewCoords);
int x = (int) motionEvent.getRawX() - listViewCoords[0];
int y = (int) motionEvent.getRawY() - listViewCoords[1];
View child = null;
for (int i = headerCount; i < (childCount - footerCount); i++) {
child = mListView.getChildAt(i);
child.getHitRect(rect);
if (rect.contains(x, y)) {
mDownView = child;
break;
}
}
if (mDownView != null) {
mDownX = motionEvent.getRawX();
mDownY = motionEvent.getRawY();
mDownPosition = mListView.getPositionForView(mDownView);
if (mDownPosition != ListView.INVALID_POSITION
&& mDownPosition < mListView.getAdapter().getCount()) {
if (mListView.getAdapter().getItem(mDownPosition) instanceof Card) {
if (mCallbacks.canDismiss(
mDownPosition, (Card) mListView.getAdapter().getItem(mDownPosition))) {
mVelocityTracker = VelocityTracker.obtain();
mVelocityTracker.addMovement(motionEvent);
} else {
mDownView = null;
}
} else {
mDownView = null;
}
} else {
mDownView = null;
}
}
view.onTouchEvent(motionEvent);
return true;
// return false;
}
case MotionEvent.ACTION_UP:
{
if (mVelocityTracker == null) {
break;
}
float deltaX = motionEvent.getRawX() - mDownX;
mVelocityTracker.addMovement(motionEvent);
mVelocityTracker.computeCurrentVelocity(1000);
float velocityX = mVelocityTracker.getXVelocity();
float absVelocityX = Math.abs(velocityX);
float absVelocityY = Math.abs(mVelocityTracker.getYVelocity());
boolean dismiss = false;
boolean dismissRight = false;
if (Math.abs(deltaX) > mViewWidth / swipeDistanceDivisor && mSwiping) {
dismiss = true;
dismissRight = deltaX > 0;
} else if (mMinFlingVelocity <= absVelocityX
&& absVelocityX <= mMaxFlingVelocity
&& absVelocityY < absVelocityX
&& mSwiping) {
// dismiss only if flinging in the same direction as dragging
dismiss = (velocityX < 0) == (deltaX < 0);
dismissRight = mVelocityTracker.getXVelocity() > 0;
}
if (dismiss && mDownPosition != ListView.INVALID_POSITION) {
// dismiss
dismiss(mDownView, mDownPosition - mListView.getHeaderViewsCount(), dismissRight);
} else {
// cancel
mDownView
.animate()
.translationX(0)
.alpha(1)
.setDuration(mAnimationTime)
.setListener(null);
}
mVelocityTracker.recycle();
mVelocityTracker = null;
mDownX = 0;
mDownY = 0;
mDownView = null;
mDownPosition = ListView.INVALID_POSITION;
if (mSwiping) {
// To prevent onClick event with a fast swipe
mSwiping = false;
return true;
}
mSwiping = false;
break;
}
case MotionEvent.ACTION_CANCEL:
{
if (mVelocityTracker == null) {
break;
}
if (mDownView != null) {
// cancel
mDownView
.animate()
.translationX(0)
.alpha(1)
.setDuration(mAnimationTime)
.setListener(null);
}
mVelocityTracker.recycle();
mVelocityTracker = null;
mDownX = 0;
mDownY = 0;
mDownView = null;
mDownPosition = ListView.INVALID_POSITION;
mSwiping = false;
break;
}
case MotionEvent.ACTION_MOVE:
{
if (mVelocityTracker == null || mPaused) {
break;
}
mVelocityTracker.addMovement(motionEvent);
float deltaX = motionEvent.getRawX() - mDownX;
float deltaY = motionEvent.getRawY() - mDownY;
boolean movementAllowed = isSwipeMovementAllowed(deltaX);
if (Math.abs(deltaX) > mSlop
&& Math.abs(deltaY) < Math.abs(deltaX) / 2
&& movementAllowed) {
mSwiping = true;
mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop);
mListView.requestDisallowInterceptTouchEvent(true);
// Cancel ListView's touch (un-highlighting the item)
MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
cancelEvent.setAction(
MotionEvent.ACTION_CANCEL
| (motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
mListView.onTouchEvent(cancelEvent);
view.onTouchEvent(cancelEvent);
cancelEvent.recycle();
}
if (mSwiping) {
mDownView.setTranslationX(deltaX - mSwipingSlop);
mDownView.setAlpha(Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth)));
return true;
}
break;
}
}
return false;
}
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (mViewWidth < 2) {
mViewWidth = mListView.getWidth();
}
switch (motionEvent.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
{
if (mPaused) {
return false;
}
// TODO: ensure this is a finger, and set a flag
// Find the child view that was touched (perform a hit test)
Rect rect = new Rect();
int childCount = mListView.getChildCount();
int[] listViewCoords = new int[2];
mListView.getLocationOnScreen(listViewCoords);
int x = (int) motionEvent.getRawX() - listViewCoords[0];
int y = (int) motionEvent.getRawY() - listViewCoords[1];
View child;
for (int i = 0; i < childCount; i++) {
child = mListView.getChildAt(i);
child.getHitRect(rect);
if (rect.contains(x, y)) {
mDownView = child;
break;
}
}
if (mDownView != null) {
mDownX = motionEvent.getRawX();
mDownPosition = mListView.getPositionForView(mDownView);
if (((ListItem) mListView.getAdapter().getItem(mDownPosition)).getId() < 0) {
return true;
}
mVelocityTracker = VelocityTracker.obtain();
mVelocityTracker.addMovement(motionEvent);
}
view.onTouchEvent(motionEvent);
return true;
}
case MotionEvent.ACTION_UP:
{
if (mVelocityTracker == null) {
break;
}
float deltaX = motionEvent.getRawX() - mDownX;
mVelocityTracker.addMovement(motionEvent);
mVelocityTracker.computeCurrentVelocity(1000);
float velocityX = Math.abs(mVelocityTracker.getXVelocity());
float velocityY = Math.abs(mVelocityTracker.getYVelocity());
boolean dismiss = false;
boolean dismissRight = false;
if (Math.abs(deltaX) > mViewWidth / 2) {
dismiss = true;
dismissRight = deltaX > 0;
} else if (mMinFlingVelocity <= velocityX
&& velocityX <= mMaxFlingVelocity
&& velocityY < velocityX) {
dismiss = true;
dismissRight = mVelocityTracker.getXVelocity() > 0;
}
if (dismiss) {
// dismiss
final View downView = mDownView; // mDownView gets null'd before animation ends
final int downPosition = mDownPosition;
++mDismissAnimationRefCount;
animate(mDownView)
.translationX(dismissRight ? mViewWidth : -mViewWidth)
.alpha(0)
.setDuration(mAnimationTime)
.setListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
performDismiss(downView, downPosition);
}
});
} else {
// cancel
animate(mDownView)
.translationX(0)
.alpha(1)
.setDuration(mAnimationTime)
.setListener(null);
}
mVelocityTracker = null;
mDownX = 0;
mDownView = null;
mDownPosition = ListView.INVALID_POSITION;
mSwiping = false;
break;
}
case MotionEvent.ACTION_MOVE:
{
if (mVelocityTracker == null || mPaused) {
break;
}
mVelocityTracker.addMovement(motionEvent);
float deltaX = motionEvent.getRawX() - mDownX;
if (Math.abs(deltaX) > mSlop) {
mSwiping = true;
mListView.requestDisallowInterceptTouchEvent(true);
// Cancel ListView's touch (un-highlighting the item)
MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
cancelEvent.setAction(
MotionEvent.ACTION_CANCEL
| (motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
mListView.onTouchEvent(cancelEvent);
}
if (mSwiping) {
setTranslationX(mDownView, deltaX);
setAlpha(
mDownView, Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth)));
return true;
}
break;
}
}
return false;
}
public void removeReward(View v) {
final int position = rewardListView.getPositionForView((LinearLayout) v.getParent());
rewardList.remove(position);
adapter.notifyDataSetChanged();
}
@SuppressLint("ResourceAsColor")
@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
@Override
public boolean onTouch(final View view, MotionEvent event) {
if (mViewWidth < 2) {
mViewWidth = mListView.getWidth();
smallWidth = mViewWidth / 7;
textwidth2 = mViewWidth / 3;
textwidth = textwidth2;
// 原版
// largewidth = textwidth+textwidth2;
// 自己修改
largewidth = textwidth;
}
int tempwidth = 0;
if (SwipeType == 1) tempwidth = smallWidth;
else tempwidth = textwidth2 / 2;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
{
if (mPaused) {
return false;
}
Rect rect = new Rect();
int childCount = mListView.getChildCount();
int[] listViewCoords = new int[2];
mListView.getLocationOnScreen(listViewCoords);
int x = (int) event.getRawX() - listViewCoords[0];
int y = (int) event.getRawY() - listViewCoords[1];
ViewGroup child;
for (int i = 0; i < childCount; i++) {
child = (ViewGroup) mListView.getChildAt(i);
child.getHitRect(rect);
if (rect.contains(x, y)) {
mDownView_parent = child;
mDownView = (ViewGroup) child.findViewById(R.id.list_display_view_container);
if (mDownView_parent.getChildCount() == 1) {
textheight = mDownView_parent.getHeight();
if (SwipeType == Dismiss) {
HalfColor = singleColor;
// HalfDrawable =
// activity.getResources().getDrawable(R.drawable.content_discard);
}
SetBackGroundforList();
}
if (old_mDownView != null && mDownView != old_mDownView) {
ResetListItem(old_mDownView);
old_mDownView = null;
return false;
}
break;
}
}
if (mDownView != null) {
mDownX = event.getRawX();
mDownY = event.getRawY();
mDownPosition = mListView.getPositionForView(mDownView);
mVelocityTracker = VelocityTracker.obtain();
mVelocityTracker.addMovement(event);
} else {
mDownView = null;
}
// mSwipeDetected = false;
temp_position = mListView.pointToPosition((int) event.getX(), (int) event.getY());
view.onTouchEvent(event);
return true;
}
case MotionEvent.ACTION_UP:
{
if (mVelocityTracker == null) {
break;
}
float deltaX = event.getRawX() - mDownX;
// 在OnItemClick事件中判断如果Deltax！=0则表示不是点击事件
DeltaX = deltaX;
mVelocityTracker.addMovement(event);
mVelocityTracker.computeCurrentVelocity(1000); // 1000 by defaut but
float velocityX = mVelocityTracker.getXVelocity(); // it was too much
float absVelocityX = Math.abs(velocityX);
float absVelocityY = Math.abs(mVelocityTracker.getYVelocity());
boolean swipe = false;
boolean swipeRight = false;
if (Math.abs(deltaX) > tempwidth) {
swipe = true;
swipeRight = deltaX > 0;
} else if (mMinFlingVelocity <= absVelocityX
&& absVelocityX <= mMaxFlingVelocity
&& absVelocityY < absVelocityX) {
// dismiss only if flinging in the same direction as dragging
swipe = (velocityX < 0) == (deltaX < 0);
swipeRight = mVelocityTracker.getXVelocity() > 0;
}
if (deltaX < 0 && swipe) {
mListView.setDrawSelectorOnTop(false);
// && Math.abs(DeltaY)<30
if (swipe && !swipeRight && deltaX <= -tempwidth && Math.abs(DeltaY) < 100) {
FullSwipeTrigger();
} else if (deltaX >= -textwidth && SwipeType == Double) {
ResetListItem(mDownView);
} else {
ResetListItem(mDownView);
}
} else if (deltaX != 0) {
ResetListItem(mDownView);
}
mVelocityTracker.recycle();
mVelocityTracker = null;
mDownX = 0;
mDownView = null;
mDownPosition = ListView.INVALID_POSITION;
mSwiping = false;
break;
}
// 根据手势滑动方向滑出滑入
case MotionEvent.ACTION_MOVE:
{
float deltaX = event.getRawX() - mDownX;
float deltaY = event.getRawY() - mDownY;
DeltaY = deltaY;
if (mVelocityTracker == null || mPaused || deltaX > 0) {
break;
}
mVelocityTracker.addMovement(event);
// && Math.abs(deltaY)<30
if (Math.abs(deltaX) > (mSlop * 5) && Math.abs(deltaY) < 50) {
mSwiping = true;
mListView.requestDisallowInterceptTouchEvent(true);
// Cancel ListView's touch (un-highlighting the item)
MotionEvent cancelEvent = MotionEvent.obtain(event);
cancelEvent.setAction(
MotionEvent.ACTION_CANCEL
| (event.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
mListView.onTouchEvent(cancelEvent);
cancelEvent.recycle();
} else if (Math.abs(deltaY) > 50) {
mSwiping = false;
// ResetListItem(mDownView);
}
System.out.println(
"<<<<<<<<<" + deltaY + "<<<<<<" + deltaX + "<<<<" + mSwiping + "<<<<<" + mSlop * 10);
if (mSwiping && deltaX < 0) {
int width;
// if(SwipeType==1){
width = textwidth2;
// }
// else{
// width = largewidth;
// }
if (-deltaX < width) {
mDownView.setTranslationX(deltaX);
return false;
}
return false;
} else if (mSwiping) {
ResetListItem(mDownView);
}
break;
}
}
return false;
}
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (mViewWidth < 2) {
mViewWidth = mListView.getWidth();
}
switch (motionEvent.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
{
if (mPaused) {
return false;
}
// TODO: ensure this is a finger, and set a flag
// Find the child view that was touched (perform a hit test)
Rect rect = new Rect();
int childCount = mListView.getChildCount();
int[] listViewCoords = new int[2];
mListView.getLocationOnScreen(listViewCoords);
int x = (int) motionEvent.getRawX() - listViewCoords[0];
int y = (int) motionEvent.getRawY() - listViewCoords[1];
View child;
for (int i = 0; i < childCount; i++) {
child = mListView.getChildAt(i);
child.getHitRect(rect);
if (rect.contains(x, y)) {
// mDownView = child;
Log.i("SWIPE", child.getClass().toString());
if (child instanceof FrameLayout) {
mDownView = ((FrameLayout) child).getChildAt(1);
Log.i("SWIPE", String.valueOf(((FrameLayout) child).getChildCount()));
}
break;
}
}
if (mDownView != null) {
mDownX = motionEvent.getRawX();
mDownY = motionEvent.getRawY();
lastX = motionEvent.getRawX();
mDownPosition = mListView.getPositionForView(mDownView);
if (mCallbacks.canDismiss(mDownPosition)) {
mVelocityTracker = VelocityTracker.obtain();
mVelocityTracker.addMovement(motionEvent);
} else {
mDownView = null;
}
}
return false;
}
case MotionEvent.ACTION_CANCEL:
{
if (mVelocityTracker == null) {
break;
}
if (mDownView != null && mSwiping) {
// cancel
mDownView
.animate()
.translationX(0)
.alpha(1)
.setDuration(mAnimationTime)
.setListener(null);
}
mVelocityTracker.recycle();
mVelocityTracker = null;
mDownX = 0;
mDownY = 0;
mDownView = null;
mDownPosition = ListView.INVALID_POSITION;
mSwiping = false;
break;
}
case MotionEvent.ACTION_UP:
{
if (mVelocityTracker == null) {
break;
}
float deltaX = motionEvent.getRawX() - mDownX;
mVelocityTracker.addMovement(motionEvent);
mVelocityTracker.computeCurrentVelocity(1000);
float velocityX = mVelocityTracker.getXVelocity();
float absVelocityX = Math.abs(velocityX);
float absVelocityY = Math.abs(mVelocityTracker.getYVelocity());
boolean dismiss = false;
boolean dismissRight = false;
if (Math.abs(deltaX) > mViewWidth / 2 && mSwiping) {
dismiss = true;
dismissRight = deltaX > 0;
} else if (mMinFlingVelocity <= absVelocityX
&& absVelocityX <= mMaxFlingVelocity
&& absVelocityY < absVelocityX
&& mSwiping) {
// dismiss only if flinging in the same direction as dragging
dismiss = (velocityX < 0) == (deltaX < 0);
dismissRight = mVelocityTracker.getXVelocity() > 0;
}
if (dismiss && mDownPosition != ListView.INVALID_POSITION) {
// dismiss
final View downView = mDownView; // mDownView gets null'd before animation ends
final int downPosition = mDownPosition;
++mDismissAnimationRefCount;
mDownView
.animate()
.translationX(dismissRight ? mViewWidth - 1 : -mViewWidth + 1)
// .alpha(0)
.setDuration(mAnimationTime)
.setListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
performDismiss(downView, downPosition);
}
});
} else {
// cancel
mDownView
.animate()
.translationX(0)
.alpha(1)
.setDuration(mAnimationTime)
.setListener(null);
}
mVelocityTracker.recycle();
mVelocityTracker = null;
mDownX = 0;
mDownY = 0;
mDownView = null;
mDownPosition = ListView.INVALID_POSITION;
mSwiping = false;
break;
}
case MotionEvent.ACTION_MOVE:
{
if (mVelocityTracker == null || mPaused) {
break;
}
mVelocityTracker.addMovement(motionEvent);
float deltaX = motionEvent.getRawX() - mDownX;
float deltaY = motionEvent.getRawY() - mDownY;
if (motionEvent.getRawX() - lastX > 0) {
mCallbacks.swipeToRight();
} else {
mCallbacks.swipeToLeft();
}
lastX = motionEvent.getRawX();
if (Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) {
mSwiping = true;
mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop);
mListView.requestDisallowInterceptTouchEvent(true);
// Cancel ListView's touch (un-highlighting the item)
MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
cancelEvent.setAction(
MotionEvent.ACTION_CANCEL
| (motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
mListView.onTouchEvent(cancelEvent);
cancelEvent.recycle();
}
if (mSwiping) {
mDownView.setTranslationX(deltaX - mSwipingSlop);
// mDownView.setAlpha(Math.max(0f, Math.min(1f,
// 1f - 2f * Math.abs(deltaX) / mViewWidth)));
return true;
}
break;
}
}
return false;
}
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (mViewWidth < 2) {
mViewWidth = mListView.getWidth();
}
switch (motionEvent.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
{
if (mPaused) {
return false;
}
// TODO: ensure this is a finger, and set a flag
// Find the child view that was touched (perform a hit test)
Rect rect = new Rect();
int childCount = mListView.getChildCount();
int[] listViewCoords = new int[2];
mListView.getLocationOnScreen(listViewCoords);
int x = (int) motionEvent.getRawX() - listViewCoords[0];
int y = (int) motionEvent.getRawY() - listViewCoords[1];
View child;
for (int i = 0; i < childCount; i++) {
child = mListView.getChildAt(i);
child.getHitRect(rect);
if (rect.contains(x, y)) {
try {
mDownViewGroup = (SwipeViewGroup) child;
mDownView = mFixedBackgrounds ? mDownViewGroup.getContentView() : child;
if (!mFixedBackgrounds) mDownViewGroup.translateBackgrounds();
} catch (Exception e) {
mDownView = child;
}
break;
}
}
if (mDownView != null) {
mDownX = motionEvent.getRawX();
mDownY = motionEvent.getRawY();
mDownPosition = mListView.getPositionForView(mDownView);
if (mCallbacks.hasActions(mDownPosition)) {
mVelocityTracker = VelocityTracker.obtain();
mVelocityTracker.addMovement(motionEvent);
} else {
mDownView = null;
}
}
return false;
}
case MotionEvent.ACTION_CANCEL:
{
if (mVelocityTracker == null) {
break;
}
if (mDownView != null && mSwiping) {
// cancel
mDownView
.animate()
.translationX(0)
.alpha(1)
.setDuration(mAnimationTime)
.setListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mDownViewGroup.showBackground(SwipeDirections.DIRECTION_NEUTRAL, false);
}
});
}
mVelocityTracker.recycle();
mVelocityTracker = null;
mDownX = 0;
mDownY = 0;
mDownView = null;
mDownPosition = ListView.INVALID_POSITION;
mSwiping = false;
mDirection = SwipeDirections.DIRECTION_NEUTRAL;
mFar = false;
break;
}
case MotionEvent.ACTION_UP:
{
if (mVelocityTracker == null) {
break;
}
float deltaX = motionEvent.getRawX() - mDownX;
mVelocityTracker.addMovement(motionEvent);
mVelocityTracker.computeCurrentVelocity(1000);
float velocityX = mVelocityTracker.getXVelocity();
float absVelocityX = Math.abs(velocityX);
float absVelocityY = Math.abs(mVelocityTracker.getYVelocity());
boolean dismiss = false;
boolean dismissRight = false;
if (Math.abs(deltaX) > (mViewWidth * mNormalSwipeFraction) && mSwiping) {
dismiss = true;
dismissRight = deltaX > 0;
} else if (mMinFlingVelocity <= absVelocityX
&& absVelocityX <= mMaxFlingVelocity
&& absVelocityY < absVelocityX
&& mSwiping) {
// dismiss only if flinging in the same direction as dragging
dismiss = (velocityX < 0) == (deltaX < 0);
dismissRight = mVelocityTracker.getXVelocity() > 0;
}
if (dismiss && mDownPosition != ListView.INVALID_POSITION) {
// dismiss
final View downView = mDownView; // mDownView gets null'd before animation ends
final int downPosition = mDownPosition;
final int direction = mDirection;
++mDismissAnimationRefCount;
mDownView
.animate()
.translationX(dismissRight ? mViewWidth : -mViewWidth)
.alpha(mFadeOut ? 0 : 1)
.setDuration(mAnimationTime)
.setListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
boolean performDismiss =
mCallbacks.onPreAction(mListView, downPosition, direction);
if (performDismiss) performDismiss(downView, downPosition, direction);
else slideBack(downView, downPosition, direction);
}
});
} else {
// cancel
mDownView
.animate()
.translationX(0)
.alpha(1)
.setDuration(mAnimationTime)
.setListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mDownViewGroup.showBackground(SwipeDirections.DIRECTION_NEUTRAL, false);
}
});
}
mVelocityTracker.recycle();
mVelocityTracker = null;
mDownX = 0;
mDownY = 0;
mDownView = null;
mDownPosition = ListView.INVALID_POSITION;
mSwiping = false;
mDirection = SwipeDirections.DIRECTION_NEUTRAL;
mFar = false;
break;
}
case MotionEvent.ACTION_MOVE:
{
if (mVelocityTracker == null || mPaused) {
break;
}
mVelocityTracker.addMovement(motionEvent);
float deltaX = motionEvent.getRawX() - mDownX;
float deltaY = motionEvent.getRawY() - mDownY;
if (!mSwiping && Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) {
mSwiping = true;
mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop);
mListView.requestDisallowInterceptTouchEvent(true);
// Cancel ListView's touch (un-highlighting the item)
MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
cancelEvent.setAction(
MotionEvent.ACTION_CANCEL
| (motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
mListView.onTouchEvent(cancelEvent);
cancelEvent.recycle();
}
if (mSwiping) {
if (mDirection * deltaX < 0) mFar = false;
if (!mFar && Math.abs(deltaX) > mViewWidth * mFarSwipeFraction) mFar = true;
if (!mFar)
mDirection =
(deltaX > 0
? SwipeDirections.DIRECTION_NORMAL_RIGHT
: SwipeDirections.DIRECTION_NORMAL_LEFT);
else
mDirection =
(deltaX > 0
? SwipeDirections.DIRECTION_FAR_RIGHT
: SwipeDirections.DIRECTION_FAR_LEFT);
mDownViewGroup.showBackground(
mDirection,
mDimBackgrounds && (Math.abs(deltaX) < mViewWidth * mNormalSwipeFraction));
mDownView.setTranslationX(deltaX - mSwipingSlop);
if (mFadeOut)
mDownView.setAlpha(
Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth)));
return true;
}
break;
}
}
return false;
}
public int getPositionForView(View view) {
return listView.getPositionForView(view);
}