Example usage for android.view MotionEvent ACTION_CANCEL

List of usage examples for android.view MotionEvent ACTION_CANCEL

Introduction

In this page you can find the example usage for android.view MotionEvent ACTION_CANCEL.

Prototype

int ACTION_CANCEL

To view the source code for android.view MotionEvent ACTION_CANCEL.

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Document

Constant for #getActionMasked : The current gesture has been aborted.

Usage

From source file:br.com.leoleal.swipetorefresh.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);

    if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
        mReturningToStart = false;//from   w ww .ja va2 s  .  c  o m
    }

    if (!isEnabled() || mReturningToStart || canChildScrollUp()) {
        // Fail fast if we're not in a state where a swipe is possible
        return false;
    }

    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mIsBeingDragged = false;
        break;

    case MotionEvent.ACTION_MOVE: {
        final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
            return false;
        }

        final float y = MotionEventCompat.getY(ev, pointerIndex);
        final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
        if (mIsBeingDragged) {
            mProgress.showArrow(true);
            float originalDragPercent = overscrollTop / mTotalDragDistance;
            if (originalDragPercent < 0) {
                return false;
            }
            float dragPercent = Math.min(1f, Math.abs(originalDragPercent));
            float adjustedPercent = (float) Math.max(dragPercent - .4, 0) * 5 / 3;
            float extraOS = Math.abs(overscrollTop) - mTotalDragDistance;
            float slingshotDist = mUsingCustomStart ? mSpinnerFinalOffset - mOriginalOffsetTop
                    : mSpinnerFinalOffset;
            float tensionSlingshotPercent = Math.max(0, Math.min(extraOS, slingshotDist * 2) / slingshotDist);
            float tensionPercent = (float) ((tensionSlingshotPercent / 4)
                    - Math.pow((tensionSlingshotPercent / 4), 2)) * 2f;
            float extraMove = (slingshotDist) * tensionPercent * 2;

            int targetY = mOriginalOffsetTop + (int) ((slingshotDist * dragPercent) + extraMove);
            // where 1.0f is a full circle
            if (mCircleView.getVisibility() != View.VISIBLE) {
                mCircleView.setVisibility(View.VISIBLE);
            }
            if (!mScale) {
                mCircleView.setScaleX(1f);
                mCircleView.setScaleY(1f);
            }
            if (overscrollTop < mTotalDragDistance) {
                if (mScale) {
                    setAnimationProgress(overscrollTop / mTotalDragDistance);
                }
                if (mProgress.getAlpha() > STARTING_PROGRESS_ALPHA
                        && !isAnimationRunning(mAlphaStartAnimation)) {
                    // Animate the alpha
                    startProgressAlphaStartAnimation();
                }
                float strokeStart = adjustedPercent * .8f;
                mProgress.setStartEndTrim(0f, Math.min(MAX_PROGRESS_ANGLE, strokeStart));
                mProgress.setArrowScale(Math.min(1f, adjustedPercent));
            } else {
                if (mProgress.getAlpha() < MAX_ALPHA && !isAnimationRunning(mAlphaMaxAnimation)) {
                    // Animate the alpha
                    startProgressAlphaMaxAnimation();
                }
            }
            float rotation = (-0.25f + .4f * adjustedPercent + tensionPercent * 2) * .5f;
            mProgress.setProgressRotation(rotation);
            setTargetOffsetTopAndBottom(targetY - mCurrentTargetOffsetTop, true /* requires update */);
        }
        break;
    }
    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int index = MotionEventCompat.getActionIndex(ev);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        onSecondaryPointerUp(ev);
        break;

    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL: {
        if (mActivePointerId == INVALID_POINTER) {
            if (action == MotionEvent.ACTION_UP) {
                Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id.");
            }
            return false;
        }
        final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        final float y = MotionEventCompat.getY(ev, pointerIndex);
        final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
        mIsBeingDragged = false;
        if (overscrollTop > mTotalDragDistance) {
            setRefreshing(true, true /* notify */);
        } else {
            // cancel refresh
            mRefreshing = false;
            mProgress.setStartEndTrim(0f, 0f);
            Animation.AnimationListener listener = null;
            if (!mScale) {
                listener = new Animation.AnimationListener() {

                    @Override
                    public void onAnimationStart(Animation animation) {
                    }

                    @Override
                    public void onAnimationEnd(Animation animation) {
                        if (!mScale) {
                            startScaleDownAnimation(null);
                        }
                    }

                    @Override
                    public void onAnimationRepeat(Animation animation) {
                    }

                };
            }
            animateOffsetToStartPosition(mCurrentTargetOffsetTop, listener);
            mProgress.showArrow(false);
        }
        mActivePointerId = INVALID_POINTER;
        return false;
    }
    }

    return true;
}

From source file:SwipeListViewTouchListener.java

/**
 * @see View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent)
 *//*from   www  . jav  a 2 s.  c o m*/
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    if (!isSwipeEnabled()) {
        return false;
    }

    if (viewWidth < 2) {
        viewWidth = swipeListView.getWidth();
    }

    switch (MotionEventCompat.getActionMasked(motionEvent)) {
    case MotionEvent.ACTION_DOWN: {
        if (paused && downPosition != ListView.INVALID_POSITION) {
            return false;
        }
        swipeCurrentAction = SwipeListView.SWIPE_ACTION_NONE;

        int childCount = swipeListView.getChildCount();
        int[] listViewCoords = new int[2];
        swipeListView.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 = swipeListView.getChildAt(i);
            child.getHitRect(rect);

            int childPosition = swipeListView.getPositionForView(child);

            // dont allow swiping if this is on the header or footer or IGNORE_ITEM_VIEW_TYPE or enabled is false on the adapter
            boolean allowSwipe = swipeListView.getAdapter().isEnabled(childPosition)
                    && swipeListView.getAdapter().getItemViewType(childPosition) >= 0;

            if (allowSwipe && rect.contains(x, y)) {
                setParentView(child);
                setFrontView(child.findViewById(swipeFrontView));

                downX = motionEvent.getRawX();
                downPosition = childPosition;

                frontView.setClickable(!opened.get(downPosition));
                frontView.setLongClickable(!opened.get(downPosition));

                velocityTracker = VelocityTracker.obtain();
                velocityTracker.addMovement(motionEvent);
                if (swipeBackView > 0) {
                    setBackView(child.findViewById(swipeBackView));
                }
                break;
            }
        }
        view.onTouchEvent(motionEvent);
        return true;
    }

    case MotionEvent.ACTION_UP: {
        if (velocityTracker == null || !swiping || downPosition == ListView.INVALID_POSITION) {
            break;
        }

        float deltaX = motionEvent.getRawX() - downX;
        velocityTracker.addMovement(motionEvent);
        velocityTracker.computeCurrentVelocity(1000);
        float velocityX = Math.abs(velocityTracker.getXVelocity());
        if (!opened.get(downPosition)) {
            if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && velocityTracker.getXVelocity() > 0) {
                velocityX = 0;
            }
            if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && velocityTracker.getXVelocity() < 0) {
                velocityX = 0;
            }
        }
        float velocityY = Math.abs(velocityTracker.getYVelocity());
        boolean swap = false;
        boolean swapRight = false;
        if (minFlingVelocity <= velocityX && velocityX <= maxFlingVelocity && velocityY * 2 < velocityX) {
            swapRight = velocityTracker.getXVelocity() > 0;
            Log.d("SwipeListView", "swapRight: " + swapRight + " - swipingRight: " + swipingRight);
            if (swapRight != swipingRight && swipeActionLeft != swipeActionRight) {
                swap = false;
            } else if (opened.get(downPosition) && openedRight.get(downPosition) && swapRight) {
                swap = false;
            } else if (opened.get(downPosition) && !openedRight.get(downPosition) && !swapRight) {
                swap = false;
            } else {
                swap = true;
            }
        } else if (Math.abs(deltaX) > viewWidth / 2) {
            swap = true;
            swapRight = deltaX > 0;
        }
        generateAnimate(frontView, swap, swapRight, downPosition);
        if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) {
            swapChoiceState(downPosition);
        }

        velocityTracker.recycle();
        velocityTracker = null;
        downX = 0;
        // change clickable front view
        //                if (swap) {
        //                    frontView.setClickable(opened.get(downPosition));
        //                    frontView.setLongClickable(opened.get(downPosition));
        //                }
        swiping = false;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        if (velocityTracker == null || paused || downPosition == ListView.INVALID_POSITION) {
            break;
        }

        velocityTracker.addMovement(motionEvent);
        velocityTracker.computeCurrentVelocity(1000);
        float velocityX = Math.abs(velocityTracker.getXVelocity());
        float velocityY = Math.abs(velocityTracker.getYVelocity());

        float deltaX = motionEvent.getRawX() - downX;
        float deltaMode = Math.abs(deltaX);

        int swipeMode = this.swipeMode;
        int changeSwipeMode = swipeListView.changeSwipeMode(downPosition);
        if (changeSwipeMode >= 0) {
            swipeMode = changeSwipeMode;
        }

        if (swipeMode == SwipeListView.SWIPE_MODE_NONE) {
            deltaMode = 0;
        } else if (swipeMode != SwipeListView.SWIPE_MODE_BOTH) {
            if (opened.get(downPosition)) {
                if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX < 0) {
                    deltaMode = 0;
                } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX > 0) {
                    deltaMode = 0;
                }
            } else {
                if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX > 0) {
                    deltaMode = 0;
                } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX < 0) {
                    deltaMode = 0;
                }
            }
        }
        if (deltaMode > slop && swipeCurrentAction == SwipeListView.SWIPE_ACTION_NONE
                && velocityY < velocityX) {
            swiping = true;
            swipingRight = (deltaX > 0);
            Log.d("SwipeListView", "deltaX: " + deltaX + " - swipingRight: " + swipingRight);
            if (opened.get(downPosition)) {
                swipeListView.onStartClose(downPosition, swipingRight);
                swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL;
            } else {
                if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_DISMISS) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS;
                } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_DISMISS) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS;
                } else if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_CHOICE) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE;
                } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_CHOICE) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE;
                } else {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL;
                }
                swipeListView.onStartOpen(downPosition, swipeCurrentAction, swipingRight);
            }
            swipeListView.requestDisallowInterceptTouchEvent(true);
            MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
            cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat
                    .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT));
            swipeListView.onTouchEvent(cancelEvent);
            if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) {
                backView.setVisibility(View.GONE);
            }
        }

        if (swiping && downPosition != ListView.INVALID_POSITION) {
            if (opened.get(downPosition)) {
                deltaX += openedRight.get(downPosition) ? viewWidth - rightOffset : -viewWidth + leftOffset;
            }
            move(deltaX);
            return true;
        }
        break;
    }
    }
    return false;
}

From source file:com.android.incallui.widget.multiwaveview.GlowPadView.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getActionMasked();
    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_POINTER_DOWN:
    case MotionEvent.ACTION_DOWN:
        if (DEBUG)
            Log.v(TAG, "*** DOWN ***");
        handleDown(event);//  ww w.  j a  v a 2 s  .c  o  m
        handleMove(event);
        handled = true;
        break;

    case MotionEvent.ACTION_MOVE:
        if (DEBUG)
            Log.v(TAG, "*** MOVE ***");
        handleMove(event);
        handled = true;
        break;

    case MotionEvent.ACTION_POINTER_UP:
    case MotionEvent.ACTION_UP:
        if (DEBUG)
            Log.v(TAG, "*** UP ***");
        handleMove(event);
        handleUp(event);
        handled = true;
        break;

    case MotionEvent.ACTION_CANCEL:
        if (DEBUG)
            Log.v(TAG, "*** CANCEL ***");
        handleMove(event);
        handleCancel(event);
        handled = true;
        break;
    }
    invalidate();
    return handled ? true : super.onTouchEvent(event);
}

From source file:com.appstu.sattafestival.swipe_list.SwipeListViewTouchListener.java

/**
 * @see View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent)
 *///from www  .jav  a 2s .c om
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    if (!isSwipeEnabled()) {
        return false;
    }

    if (viewWidth < 2) {
        viewWidth = swipeListView.getWidth();
    }

    switch (MotionEventCompat.getActionMasked(motionEvent)) {
    case MotionEvent.ACTION_DOWN: {
        if (paused && downPosition != ListView.INVALID_POSITION) {
            return false;
        }
        swipeCurrentAction = SwipeListView.SWIPE_ACTION_NONE;

        int childCount = swipeListView.getChildCount();
        int[] listViewCoords = new int[2];
        swipeListView.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 = swipeListView.getChildAt(i);
            child.getHitRect(rect);

            int childPosition = swipeListView.getPositionForView(child);

            // dont allow swiping if this is on the header or footer or IGNORE_ITEM_VIEW_TYPE or enabled is false on the adapter
            boolean allowSwipe = swipeListView.getAdapter().isEnabled(childPosition)
                    && swipeListView.getAdapter().getItemViewType(childPosition) >= 0;
            if (allowSwipe && rect.contains(x, y)) {
                setParentView(child);
                setFrontView(child.findViewById(swipeFrontView), swipeListView);

                downX = motionEvent.getRawX();
                downPosition = childPosition;

                frontView.setClickable(!opened.get(downPosition));
                frontView.setLongClickable(!opened.get(downPosition));

                velocityTracker = VelocityTracker.obtain();
                velocityTracker.addMovement(motionEvent);
                if (swipeBackView > 0) {
                    setBackView(child.findViewById(swipeBackView));
                }
                break;
            }
        }
        view.onTouchEvent(motionEvent);
        return true;
    }

    case MotionEvent.ACTION_UP: {
        if (velocityTracker == null || !swiping || downPosition == ListView.INVALID_POSITION) {
            break;
        }

        float deltaX = motionEvent.getRawX() - downX;
        velocityTracker.addMovement(motionEvent);
        velocityTracker.computeCurrentVelocity(1000);
        float velocityX = Math.abs(velocityTracker.getXVelocity());
        if (!opened.get(downPosition)) {
            if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && velocityTracker.getXVelocity() > 0) {
                velocityX = 0;
            }
            if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && velocityTracker.getXVelocity() < 0) {
                velocityX = 0;
            }
        }
        float velocityY = Math.abs(velocityTracker.getYVelocity());
        boolean swap = false;
        boolean swapRight = false;
        if (minFlingVelocity <= velocityX && velocityX <= maxFlingVelocity && velocityY * 2 < velocityX) {
            swapRight = velocityTracker.getXVelocity() > 0;
            if (swapRight != swipingRight && swipeActionLeft != swipeActionRight) {
                swap = false;
            } else if (opened.get(downPosition) && openedRight.get(downPosition) && swapRight) {
                swap = false;
            } else if (opened.get(downPosition) && !openedRight.get(downPosition) && !swapRight) {
                swap = false;
            } else {
                swap = true;
            }
        } else if (Math.abs(deltaX) > viewWidth / 2) {
            swap = true;
            swapRight = deltaX > 0;
        }
        generateAnimate(frontView, false, swapRight, downPosition);
        //                if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) {
        //                    swapChoiceState(downPosition);
        //                }

        velocityTracker.recycle();
        velocityTracker = null;
        downX = 0;
        // change clickable front view
        //                if (swap) {
        //                    frontView.setClickable(opened.get(downPosition));
        //                    frontView.setLongClickable(opened.get(downPosition));
        //                }
        swiping = false;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        if (velocityTracker == null || paused || downPosition == ListView.INVALID_POSITION) {
            break;
        }

        velocityTracker.addMovement(motionEvent);
        velocityTracker.computeCurrentVelocity(1000);
        float velocityX = Math.abs(velocityTracker.getXVelocity());
        float velocityY = Math.abs(velocityTracker.getYVelocity());

        float deltaX = motionEvent.getRawX() - downX;
        float deltaMode = Math.abs(deltaX);

        int swipeMode = this.swipeMode;
        int changeSwipeMode = swipeListView.changeSwipeMode(downPosition);
        if (changeSwipeMode >= 0) {
            swipeMode = changeSwipeMode;
        }

        if (swipeMode == SwipeListView.SWIPE_MODE_NONE) {
            deltaMode = 0;
        } else if (swipeMode != SwipeListView.SWIPE_MODE_BOTH) {
            if (opened.get(downPosition)) {
                if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX < 0) {
                    deltaMode = 0;
                } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX > 0) {
                    deltaMode = 0;
                }
            } else {
                if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX > 0) {
                    deltaMode = 0;
                } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX < 0) {
                    deltaMode = 0;
                }
            }
        }
        if (deltaMode > slop && swipeCurrentAction == SwipeListView.SWIPE_ACTION_NONE
                && velocityY < velocityX) {
            swiping = true;
            swipingRight = (deltaX > 0);
            if (opened.get(downPosition)) {
                swipeListView.onStartClose(downPosition, swipingRight);
                swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL;
            } else {
                if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_DISMISS) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS;
                } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_DISMISS) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS;
                } else if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_CHOICE) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE;
                } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_CHOICE) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE;
                } else {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL;
                }
                swipeListView.onStartOpen(downPosition, swipeCurrentAction, swipingRight, parentView);
            }
            swipeListView.requestDisallowInterceptTouchEvent(true);
            MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
            cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat
                    .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT));
            swipeListView.onTouchEvent(cancelEvent);
            if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) {
                backView.setVisibility(View.GONE);
            }
        }

        if (swiping && downPosition != ListView.INVALID_POSITION) {
            if (opened.get(downPosition)) {
                deltaX += openedRight.get(downPosition) ? viewWidth - rightOffset : -viewWidth + leftOffset;
            }
            move(deltaX);
            return true;
        }
        break;
    }
    }
    return false;
}

From source file:com.adhere.view.swipe.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);

    if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
        mReturningToStart = false;// w w  w  . j a v  a 2s  .com
    }

    if (!isEnabled() || mReturningToStart || canChildScrollUp()) {
        // Fail fast if we're not in a state where a swipe is possible
        return false;
    }

    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mIsBeingDragged = false;
        break;

    case MotionEvent.ACTION_MOVE: {
        final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id.");
            return false;
        }

        final float y = MotionEventCompat.getY(ev, pointerIndex);
        final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
        if (mIsBeingDragged) {

            mProgress.showArrow(true);
            float originalDragPercent = overscrollTop / mTotalDragDistance;
            if (originalDragPercent < 0) {
                return false;
            }
            float dragPercent = Math.min(1f, Math.abs(originalDragPercent));
            float adjustedPercent = (float) Math.max(dragPercent - .4, 0) * 5 / 3;
            float extraOS = Math.abs(overscrollTop) - mTotalDragDistance;
            float slingshotDist = mUsingCustomStart ? mSpinnerFinalOffset - mOriginalOffsetTop
                    : mSpinnerFinalOffset;
            float tensionSlingshotPercent = Math.max(0, Math.min(extraOS, slingshotDist * 2) / slingshotDist);
            float tensionPercent = (float) ((tensionSlingshotPercent / 4)
                    - Math.pow((tensionSlingshotPercent / 4), 2)) * 2f;
            float extraMove = (slingshotDist) * tensionPercent * 2;

            int targetY = mOriginalOffsetTop + (int) ((slingshotDist * dragPercent) + extraMove);
            // where 1.0f is a full circle
            if (mCircleView.getVisibility() != View.VISIBLE) {
                mCircleView.setVisibility(View.VISIBLE);
            }
            if (!mScale) {
                ViewCompat.setScaleX(mCircleView, 1f);
                ViewCompat.setScaleY(mCircleView, 1f);
            }
            if (overscrollTop < mTotalDragDistance) {
                if (mScale) {
                    setAnimationProgress(overscrollTop / mTotalDragDistance);
                }
                if (mProgress.getAlpha() > STARTING_PROGRESS_ALPHA
                        && !isAnimationRunning(mAlphaStartAnimation)) {
                    // Animate the alpha
                    startProgressAlphaStartAnimation();
                }
                float strokeStart = adjustedPercent * .8f;
                mProgress.setStartEndTrim(0f, Math.min(MAX_PROGRESS_ANGLE, strokeStart));
                mProgress.setArrowScale(Math.min(1f, adjustedPercent));
            } else {
                if (mProgress.getAlpha() < MAX_ALPHA && !isAnimationRunning(mAlphaMaxAnimation)) {
                    // Animate the alpha
                    startProgressAlphaMaxAnimation();
                }
            }
            float rotation = (-0.25f + .4f * adjustedPercent + tensionPercent * 2) * .5f;
            mProgress.setProgressRotation(rotation);
            setTargetOffsetTopAndBottom(targetY - mCurrentTargetOffsetTop, true /* requires update */);
        }
        break;
    }
    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int index = MotionEventCompat.getActionIndex(ev);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        onSecondaryPointerUp(ev);
        break;

    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL: {
        if (mActivePointerId == INVALID_POINTER) {
            if (action == MotionEvent.ACTION_UP) {
                Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id.");
            }
            return false;
        }
        final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        final float y = MotionEventCompat.getY(ev, pointerIndex);
        final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
        mIsBeingDragged = false;
        if (overscrollTop > mTotalDragDistance) {
            setRefreshing(true, true /* notify */);
        } else {
            // cancel refresh
            mRefreshing = false;
            mProgress.setStartEndTrim(0f, 0f);
            AnimationListener listener = null;
            if (!mScale) {
                listener = new AnimationListener() {

                    @Override
                    public void onAnimationStart(Animation animation) {
                    }

                    @Override
                    public void onAnimationEnd(Animation animation) {
                        if (!mScale) {
                            startScaleDownAnimation(null);
                        }
                    }

                    @Override
                    public void onAnimationRepeat(Animation animation) {
                    }

                };
            }
            animateOffsetToStartPosition(mCurrentTargetOffsetTop, listener);
            mProgress.showArrow(false);
        }
        mActivePointerId = INVALID_POINTER;
        return false;
    }
    }
    return true;
}

From source file:com.apptentive.android.sdk.view.ApptentiveNestedScrollView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    initVelocityTrackerIfNotExists();/*w  w  w  . java 2 s .  com*/

    MotionEvent vtev = MotionEvent.obtain(ev);

    final int actionMasked = MotionEventCompat.getActionMasked(ev);

    if (actionMasked == MotionEvent.ACTION_DOWN) {
        mNestedYOffset = 0;
    }
    vtev.offsetLocation(0, mNestedYOffset);

    switch (actionMasked) {
    case MotionEvent.ACTION_DOWN: {
        if (getChildCount() == 0) {
            return false;
        }
        if ((mIsBeingDragged = !mScroller.isFinished())) {
            final ViewParent parent = getParent();
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(true);
            }
        }

        /*
         * If being flinged and user touches, stop the fling. isFinished
         * will be false if being flinged.
         */
        if (!mScroller.isFinished()) {
            mScroller.abortAnimation();
        }

        // Remember where the motion event started
        mLastMotionY = (int) ev.getY();
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL);
        break;
    }
    case MotionEvent.ACTION_MOVE:
        final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (activePointerIndex == -1) {
            Log.e(TAG, "Invalid pointerId=" + mActivePointerId + " in onTouchEvent");
            break;
        }

        final int y = (int) MotionEventCompat.getY(ev, activePointerIndex);
        int deltaY = mLastMotionY - y;
        if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) {
            deltaY -= mScrollConsumed[1];
            vtev.offsetLocation(0, mScrollOffset[1]);
            mNestedYOffset += mScrollOffset[1];
        }
        if (!mIsBeingDragged && Math.abs(deltaY) > mTouchSlop) {
            final ViewParent parent = getParent();
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(true);
            }
            mIsBeingDragged = true;
            if (deltaY > 0) {
                deltaY -= mTouchSlop;
            } else {
                deltaY += mTouchSlop;
            }
        }
        if (mIsBeingDragged) {
            // Scroll to follow the motion event
            mLastMotionY = y - mScrollOffset[1];

            final int oldY = getScrollY();
            final int range = getScrollRange();
            final int overscrollMode = ViewCompat.getOverScrollMode(this);
            boolean canOverscroll = overscrollMode == ViewCompat.OVER_SCROLL_ALWAYS
                    || (overscrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && range > 0);

            // Calling overScrollByCompat will call onOverScrolled, which
            // calls onScrollChanged if applicable.
            if (overScrollByCompat(0, deltaY, 0, getScrollY(), 0, range, 0, 0, true)
                    && !hasNestedScrollingParent()) {
                // Break our velocity if we hit a scroll barrier.
                mVelocityTracker.clear();
            }

            final int scrolledDeltaY = getScrollY() - oldY;
            final int unconsumedY = deltaY - scrolledDeltaY;
            if (dispatchNestedScroll(0, scrolledDeltaY, 0, unconsumedY, mScrollOffset)) {
                mLastMotionY -= mScrollOffset[1];
                vtev.offsetLocation(0, mScrollOffset[1]);
                mNestedYOffset += mScrollOffset[1];
            } else if (canOverscroll) {
                ensureGlows();
                final int pulledToY = oldY + deltaY;
                if (pulledToY < 0) {
                    mEdgeGlowTop.onPull((float) deltaY / getHeight(),
                            MotionEventCompat.getX(ev, activePointerIndex) / getWidth());
                    if (!mEdgeGlowBottom.isFinished()) {
                        mEdgeGlowBottom.onRelease();
                    }
                } else if (pulledToY > range) {
                    mEdgeGlowBottom.onPull((float) deltaY / getHeight(),
                            1.f - MotionEventCompat.getX(ev, activePointerIndex) / getWidth());
                    if (!mEdgeGlowTop.isFinished()) {
                        mEdgeGlowTop.onRelease();
                    }
                }
                if (mEdgeGlowTop != null && (!mEdgeGlowTop.isFinished() || !mEdgeGlowBottom.isFinished())) {
                    ViewCompat.postInvalidateOnAnimation(this);
                }
            }
        }
        break;
    case MotionEvent.ACTION_UP:
        if (mIsBeingDragged) {
            final VelocityTracker velocityTracker = mVelocityTracker;
            velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            int initialVelocity = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId);

            if ((Math.abs(initialVelocity) > mMinimumVelocity)) {
                flingWithNestedDispatch(-initialVelocity);
            } else if (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) {
                ViewCompat.postInvalidateOnAnimation(this);
            }
        }
        mActivePointerId = INVALID_POINTER;
        endDrag();
        break;
    case MotionEvent.ACTION_CANCEL:
        if (mIsBeingDragged && getChildCount() > 0) {
            if (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) {
                ViewCompat.postInvalidateOnAnimation(this);
            }
        }
        mActivePointerId = INVALID_POINTER;
        endDrag();
        break;
    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int index = MotionEventCompat.getActionIndex(ev);
        mLastMotionY = (int) MotionEventCompat.getY(ev, index);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }
    case MotionEventCompat.ACTION_POINTER_UP:
        onSecondaryPointerUp(ev);
        mLastMotionY = (int) MotionEventCompat.getY(ev,
                MotionEventCompat.findPointerIndex(ev, mActivePointerId));
        break;
    }

    if (mVelocityTracker != null) {
        mVelocityTracker.addMovement(vtev);
    }
    vtev.recycle();
    return true;
}

From source file:com.appunite.list.FastScroller.java

boolean onTouchEvent(MotionEvent me) {
    if (mState == STATE_NONE) {
        return false;
    }//from   w  w w. ja  v a2  s  .  com

    final int action = me.getAction();

    if (action == MotionEvent.ACTION_DOWN) {
        if (isPointInside(me.getX(), me.getY())) {
            if (!mList.isInScrollingContainerUnhide()) {
                beginDrag();
                return true;
            }
            mInitialTouchY = me.getY();
            startPendingDrag();
        }
    } else if (action == MotionEvent.ACTION_UP) { // don't add ACTION_CANCEL here
        if (mPendingDrag) {
            // Allow a tap to scroll.
            beginDrag();

            final int viewHeight = mList.getHeight();
            // Jitter
            int newThumbY = (int) me.getY() - mThumbH + 10;
            if (newThumbY < 0) {
                newThumbY = 0;
            } else if (newThumbY + mThumbH > viewHeight) {
                newThumbY = viewHeight - mThumbH;
            }
            mThumbY = newThumbY;
            scrollTo((float) mThumbY / (viewHeight - mThumbH));

            cancelPendingDrag();
            // Will hit the STATE_DRAGGING check below
        }
        if (mState == STATE_DRAGGING) {
            if (mList != null) {
                // ViewGroup does the right thing already, but there might
                // be other classes that don't properly reset on touch-up,
                // so do this explicitly just in case.
                mList.requestDisallowInterceptTouchEvent(false);
                mList.reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            }
            setState(STATE_VISIBLE);
            final Handler handler = mHandler;
            handler.removeCallbacks(mScrollFade);
            if (!mAlwaysShow) {
                handler.postDelayed(mScrollFade, 1000);
            }

            mList.invalidate();
            return true;
        }
    } else if (action == MotionEvent.ACTION_MOVE) {
        if (mPendingDrag) {
            final float y = me.getY();
            if (Math.abs(y - mInitialTouchY) > mScaledTouchSlop) {
                setState(STATE_DRAGGING);
                if (mListAdapter == null && mList != null) {
                    getSectionsFromIndexer();
                }
                if (mList != null) {
                    mList.requestDisallowInterceptTouchEvent(true);
                    mList.reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL);
                }

                cancelFling();
                cancelPendingDrag();
                // Will hit the STATE_DRAGGING check below
            }
        }
        if (mState == STATE_DRAGGING) {
            final int viewHeight = mList.getHeight();
            // Jitter
            int newThumbY = (int) me.getY() - mThumbH + 10;
            if (newThumbY < 0) {
                newThumbY = 0;
            } else if (newThumbY + mThumbH > viewHeight) {
                newThumbY = viewHeight - mThumbH;
            }
            if (Math.abs(mThumbY - newThumbY) < 2) {
                return true;
            }
            mThumbY = newThumbY;
            // If the previous scrollTo is still pending
            if (mScrollCompleted) {
                scrollTo((float) mThumbY / (viewHeight - mThumbH));
            }
            return true;
        }
    } else if (action == MotionEvent.ACTION_CANCEL) {
        cancelPendingDrag();
    }
    return false;
}

From source file:com.daniel.view.swipelistview.SwipeListViewTouchListener.java

/**
 * @see android.view.View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent)
 *//*from   w  w w  .ja  v  a2s  .c  om*/
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    if (!isSwipeEnabled()) {
        return false;
    }

    if (viewWidth < 2) {
        viewWidth = swipeListView.getWidth();
    }

    switch (MotionEventCompat.getActionMasked(motionEvent)) {
    case MotionEvent.ACTION_DOWN: {
        if (paused && downPosition != ListView.INVALID_POSITION) {
            return false;
        }
        swipeCurrentAction = SwipeListView.SWIPE_ACTION_NONE;

        int childCount = swipeListView.getChildCount();
        int[] listViewCoords = new int[2];
        swipeListView.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 = swipeListView.getChildAt(i);
            child.getHitRect(rect);

            int childPosition = swipeListView.getPositionForView(child);

            // dont allow swiping if this is on the header or footer or IGNORE_ITEM_VIEW_TYPE or enabled is false on the adapter
            boolean allowSwipe = swipeListView.getAdapter().isEnabled(childPosition)
                    && swipeListView.getAdapter().getItemViewType(childPosition) >= 0;

            if (allowSwipe && rect.contains(x, y)) {
                setParentView(child);
                setFrontView(child.findViewById(swipeFrontView));

                downX = motionEvent.getRawX();
                downPosition = childPosition;

                frontView.setClickable(!opened.get(downPosition));
                frontView.setLongClickable(!opened.get(downPosition));

                velocityTracker = VelocityTracker.obtain();
                velocityTracker.addMovement(motionEvent);
                if (swipeBackView > 0) {
                    setBackView(child.findViewById(swipeBackView));
                }
                break;
            }
        }
        view.onTouchEvent(motionEvent);
        return true;
    }

    case MotionEvent.ACTION_UP: {
        if (velocityTracker == null || !swiping || downPosition == ListView.INVALID_POSITION) {
            break;
        }

        float deltaX = motionEvent.getRawX() - downX;
        velocityTracker.addMovement(motionEvent);
        velocityTracker.computeCurrentVelocity(1000);
        float velocityX = Math.abs(velocityTracker.getXVelocity());
        if (!opened.get(downPosition)) {
            if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && velocityTracker.getXVelocity() > 0) {
                velocityX = 0;
            }
            if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && velocityTracker.getXVelocity() < 0) {
                velocityX = 0;
            }
        }
        float velocityY = Math.abs(velocityTracker.getYVelocity());
        boolean swap = false;
        boolean swapRight = false;
        if (minFlingVelocity <= velocityX && velocityX <= maxFlingVelocity && velocityY * 2 < velocityX) {
            swapRight = velocityTracker.getXVelocity() > 0;
            Log.d("SwipeListView", "swapRight: " + swapRight + " - swipingRight: " + swipingRight);
            if (swapRight != swipingRight && swipeActionLeft != swipeActionRight) {
                swap = false;
            } else if (opened.get(downPosition) && openedRight.get(downPosition) && swapRight) {
                swap = false;
            } else if (opened.get(downPosition) && !openedRight.get(downPosition) && !swapRight) {
                swap = false;
            } else {
                swap = true;
            }
        } else if (Math.abs(deltaX) > viewWidth / 2) {
            swap = true;
            swapRight = deltaX > 0;
        }
        generateAnimate(frontView, swap, swapRight, downPosition);
        if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) {
            swapChoiceState(downPosition);
        }

        velocityTracker.recycle();
        velocityTracker = null;
        downX = 0;
        // change clickable front view
        //                if (swap) {
        //                    frontView.setClickable(opened.get(downPosition));
        //                    frontView.setLongClickable(opened.get(downPosition));
        //                }
        swiping = false;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        if (velocityTracker == null || paused || downPosition == ListView.INVALID_POSITION) {
            break;
        }
        if (disablePos != null && disablePos.contains(downPosition)) {
            return false;
        }
        velocityTracker.addMovement(motionEvent);
        velocityTracker.computeCurrentVelocity(1000);
        float velocityX = Math.abs(velocityTracker.getXVelocity());
        float velocityY = Math.abs(velocityTracker.getYVelocity());

        float deltaX = motionEvent.getRawX() - downX;
        float deltaMode = Math.abs(deltaX);

        int swipeMode = this.swipeMode;
        int changeSwipeMode = swipeListView.changeSwipeMode(downPosition);
        if (changeSwipeMode >= 0) {
            swipeMode = changeSwipeMode;
        }

        if (swipeMode == SwipeListView.SWIPE_MODE_NONE) {
            deltaMode = 0;
        } else if (swipeMode != SwipeListView.SWIPE_MODE_BOTH) {
            if (opened.get(downPosition)) {
                if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX < 0) {
                    deltaMode = 0;
                } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX > 0) {
                    deltaMode = 0;
                }
            } else {
                if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX > 0) {
                    deltaMode = 0;
                } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX < 0) {
                    deltaMode = 0;
                }
            }
        }
        if (deltaMode > slop && swipeCurrentAction == SwipeListView.SWIPE_ACTION_NONE
                && velocityY < velocityX) {
            swiping = true;
            swipingRight = (deltaX > 0);
            Log.d("SwipeListView", "deltaX: " + deltaX + " - swipingRight: " + swipingRight);
            if (opened.get(downPosition)) {
                swipeListView.onStartClose(downPosition, swipingRight);
                swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL;
            } else {
                if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_DISMISS) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS;
                } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_DISMISS) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS;
                } else if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_CHOICE) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE;
                } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_CHOICE) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE;
                } else {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL;
                }
                swipeListView.onStartOpen(downPosition, swipeCurrentAction, swipingRight);
            }
            swipeListView.requestDisallowInterceptTouchEvent(true);
            MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
            cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat
                    .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT));
            swipeListView.onTouchEvent(cancelEvent);
            if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) {
                backView.setVisibility(View.GONE);
            }
        }

        if (swiping && downPosition != ListView.INVALID_POSITION) {
            if (opened.get(downPosition)) {
                deltaX += openedRight.get(downPosition) ? viewWidth - rightOffset : -viewWidth + leftOffset;
            }
            move(deltaX);
            return true;
        }
        break;
    }
    }
    return false;
}

From source file:com.aoeng.degu.views.swipe.SwipeListSingleViewTouchListener.java

/**
 * @see View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent)
 *//*from www  .  j  ava  2 s  .c om*/
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    if (!isSwipeEnabled()) {
        return false;
    }

    if (viewWidth < 2) {
        viewWidth = swipeListView.getWidth();
    }

    switch (MotionEventCompat.getActionMasked(motionEvent)) {
    case MotionEvent.ACTION_DOWN: {
        if (paused && downPosition != ListView.INVALID_POSITION) {
            return false;
        }
        swipeCurrentAction = SwipeListView.SWIPE_ACTION_NONE;

        int childCount = swipeListView.getChildCount();
        int[] listViewCoords = new int[2];
        swipeListView.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 = swipeListView.getChildAt(i);
            child.getHitRect(rect);

            int childPosition = swipeListView.getPositionForView(child);

            // dont allow swiping if this is on the header or footer or IGNORE_ITEM_VIEW_TYPE or enabled is false on the adapter
            boolean allowSwipe = swipeListView.getAdapter().isEnabled(childPosition)
                    && swipeListView.getAdapter().getItemViewType(childPosition) >= 0;

            if (allowSwipe && rect.contains(x, y)) {
                setParentView(child);
                setFrontView(child.findViewById(swipeFrontView));

                downX = motionEvent.getRawX();
                downPosition = childPosition;

                frontView.setClickable(!opened.get(downPosition));
                frontView.setLongClickable(!opened.get(downPosition));

                velocityTracker = VelocityTracker.obtain();
                velocityTracker.addMovement(motionEvent);
                if (swipeBackView > 0) {
                    setBackView(child.findViewById(swipeBackView));
                }
                break;
            }
        }
        view.onTouchEvent(motionEvent);
        return true;
    }

    case MotionEvent.ACTION_UP: {
        if (velocityTracker == null || !swiping || downPosition == ListView.INVALID_POSITION) {
            break;
        }

        float deltaX = motionEvent.getRawX() - downX;
        velocityTracker.addMovement(motionEvent);
        velocityTracker.computeCurrentVelocity(1000);
        float velocityX = Math.abs(velocityTracker.getXVelocity());
        if (!opened.get(downPosition)) {
            if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && velocityTracker.getXVelocity() > 0) {
                velocityX = 0;
            }
            if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && velocityTracker.getXVelocity() < 0) {
                velocityX = 0;
            }
        }
        float velocityY = Math.abs(velocityTracker.getYVelocity());
        boolean swap = false;
        boolean swapRight = false;
        if (minFlingVelocity <= velocityX && velocityX <= maxFlingVelocity && velocityY * 2 < velocityX) {
            swapRight = velocityTracker.getXVelocity() > 0;
            Log.d("SwipeListView", "swapRight: " + swapRight + " - swipingRight: " + swipingRight);
            if (swapRight != swipingRight && swipeActionLeft != swipeActionRight) {
                swap = false;
            } else if (opened.get(downPosition) && openedRight.get(downPosition) && swapRight) {
                swap = false;
            } else if (opened.get(downPosition) && !openedRight.get(downPosition) && !swapRight) {
                swap = false;
            } else {
                swap = true;
            }
        } else if (Math.abs(deltaX) > viewWidth / 2) {
            swap = true;
            swapRight = deltaX > 0;
        }
        generateAnimate(frontView, swap, swapRight, downPosition);
        if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) {
            swapChoiceState(downPosition);
        }

        velocityTracker.recycle();
        velocityTracker = null;
        downX = 0;
        // change clickable front view
        // if (swap) {
        // frontView.setClickable(opened.get(downPosition));
        // frontView.setLongClickable(opened.get(downPosition));
        // }
        swiping = false;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        if (velocityTracker == null || paused || downPosition == ListView.INVALID_POSITION) {
            break;
        }

        velocityTracker.addMovement(motionEvent);
        velocityTracker.computeCurrentVelocity(1000);
        float velocityX = Math.abs(velocityTracker.getXVelocity());
        float velocityY = Math.abs(velocityTracker.getYVelocity());

        float deltaX = motionEvent.getRawX() - downX;
        float deltaMode = Math.abs(deltaX);

        int swipeMode = this.swipeMode;
        int changeSwipeMode = swipeListView.changeSwipeMode(downPosition);
        if (changeSwipeMode >= 0) {
            swipeMode = changeSwipeMode;
        }

        if (swipeMode == SwipeListView.SWIPE_MODE_NONE) {
            deltaMode = 0;
        } else if (swipeMode != SwipeListView.SWIPE_MODE_BOTH) {
            if (opened.get(downPosition)) {
                if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX < 0) {
                    deltaMode = 0;
                } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX > 0) {
                    deltaMode = 0;
                }
            } else {
                if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX > 0) {
                    deltaMode = 0;
                } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX < 0) {
                    deltaMode = 0;
                }
            }
        }
        if (deltaMode > slop && swipeCurrentAction == SwipeListView.SWIPE_ACTION_NONE
                && velocityY < velocityX) {
            swiping = true;
            swipingRight = (deltaX > 0);
            Log.d("SwipeListView", "deltaX: " + deltaX + " - swipingRight: " + swipingRight);
            if (opened.get(downPosition)) {
                swipeListView.onStartClose(downPosition, swipingRight);
                swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL;
            } else {
                if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_DISMISS) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS;
                } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_DISMISS) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS;
                } else if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_CHOICE) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE;
                } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_CHOICE) {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE;
                } else {
                    swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL;
                }
                swipeListView.onStartOpen(downPosition, swipeCurrentAction, swipingRight);
            }
            swipeListView.requestDisallowInterceptTouchEvent(true);
            MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
            cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat
                    .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT));
            swipeListView.onTouchEvent(cancelEvent);
            if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) {
                backView.setVisibility(View.GONE);
            }
        }

        if (swiping && downPosition != ListView.INVALID_POSITION) {
            if (opened.get(downPosition)) {
                deltaX += openedRight.get(downPosition) ? viewWidth - rightOffset : -viewWidth + leftOffset;
            }
            move(deltaX);
            return true;
        }
        break;
    }
    }
    return false;
}

From source file:android.widget.Gallery.java

@Override
public boolean onTouchEvent(MotionEvent event) {

    // Give everything to the gesture detector
    boolean retValue = mGestureDetector.onTouchEvent(event);

    int action = event.getAction();
    if (action == MotionEvent.ACTION_UP) {
        // Helper method for lifted finger
        onUp();/*from  w  w  w .j a  va  2s . c om*/
    } else if (action == MotionEvent.ACTION_CANCEL) {
        onCancel();
    }

    return retValue;
}