Example usage for android.view MotionEvent findPointerIndex

List of usage examples for android.view MotionEvent findPointerIndex

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Introduction

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

Prototype

public final int findPointerIndex(int pointerId)

Source Link

Document

Given a pointer identifier, find the index of its data in the event.

Usage

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

private void handleMove(MotionEvent event) {
    int activeTarget = -1;
    final int historySize = event.getHistorySize();
    ArrayList<TargetDrawable> targets = mTargetDrawables;
    int ntargets = targets.size();
    float x = 0.0f;
    float y = 0.0f;
    int actionIndex = event.findPointerIndex(mPointerId);

    if (actionIndex == -1) {
        return; // no data for this pointer
    }/*from ww w  .j  a v a 2  s  . co m*/

    for (int k = 0; k < historySize + 1; k++) {
        float eventX = k < historySize ? event.getHistoricalX(actionIndex, k) : event.getX(actionIndex);
        float eventY = k < historySize ? event.getHistoricalY(actionIndex, k) : event.getY(actionIndex);
        // tx and ty are relative to wave center
        float tx = eventX - mWaveCenterX;
        float ty = eventY - mWaveCenterY;
        float touchRadius = (float) Math.hypot(tx, ty);
        final float scale = touchRadius > mOuterRadius ? mOuterRadius / touchRadius : 1.0f;
        float limitX = tx * scale;
        float limitY = ty * scale;
        double angleRad = Math.atan2(-ty, tx);

        if (!mDragging) {
            trySwitchToFirstTouchState(eventX, eventY);
        }

        if (mDragging) {
            // For multiple targets, snap to the one that matches
            final float snapRadius = mRingScaleFactor * mOuterRadius - mSnapMargin;
            final float snapDistance2 = snapRadius * snapRadius;
            // Find first target in range
            for (int i = 0; i < ntargets; i++) {
                TargetDrawable target = targets.get(i);

                double targetMinRad = (i - 0.5) * 2 * Math.PI / ntargets;
                double targetMaxRad = (i + 0.5) * 2 * Math.PI / ntargets;
                if (target.isEnabled()) {
                    boolean angleMatches = (angleRad > targetMinRad && angleRad <= targetMaxRad)
                            || (angleRad + 2 * Math.PI > targetMinRad
                                    && angleRad + 2 * Math.PI <= targetMaxRad);
                    if (angleMatches && (dist2(tx, ty) > snapDistance2)) {
                        activeTarget = i;
                    }
                }
            }
        }
        x = limitX;
        y = limitY;
    }

    if (!mDragging) {
        return;
    }

    if (activeTarget != -1) {
        switchToState(STATE_SNAP, x, y);
        updateGlowPosition(x, y);
    } else {
        switchToState(STATE_TRACKING, x, y);
        updateGlowPosition(x, y);
    }

    if (mActiveTarget != activeTarget) {
        // Defocus the old target
        if (mActiveTarget != -1) {
            TargetDrawable target = targets.get(mActiveTarget);
            target.setState(TargetDrawable.STATE_INACTIVE);
        }
        // Focus the new target
        if (activeTarget != -1) {
            TargetDrawable target = targets.get(activeTarget);
            target.setState(TargetDrawable.STATE_FOCUSED);
            final AccessibilityManager accessibilityManager = (AccessibilityManager) getContext()
                    .getSystemService(Context.ACCESSIBILITY_SERVICE);
            if (accessibilityManager.isEnabled()) {
                String targetContentDescription = getTargetDescription(activeTarget);
                announceForAccessibility(targetContentDescription);
            }
        }
    }
    mActiveTarget = activeTarget;
}

From source file:org.florescu.android.rangeseekbar.RangeSeekBar.java

/**
 * Handles thumb selection and movement. Notifies listener callback on certain events.
 */// w ww . ja v  a2s .c o m
@Override
public boolean onTouchEvent(@NonNull MotionEvent event) {

    if (!isEnabled()) {
        return false;
    }

    int pointerIndex;

    final int action = event.getAction();
    switch (action & MotionEvent.ACTION_MASK) {

    case MotionEvent.ACTION_DOWN:
        // Remember where the motion event started
        mActivePointerId = event.getPointerId(event.getPointerCount() - 1);
        pointerIndex = event.findPointerIndex(mActivePointerId);
        mDownMotionX = event.getX(pointerIndex);

        pressedThumb = evalPressedThumb(mDownMotionX);

        // Only handle thumb presses.
        if (pressedThumb == null) {
            pressedThumb = getClosestThumb(mDownMotionX);
            if (pressedThumb == null) {
                return false;
            }
        }

        if (listener != null) {
            listener.onRangeSeekBarPressed(this,
                    Thumb.MAX.equals(pressedThumb) ? getSelectedMaxValue() : getSelectedMinValue(),
                    pressedThumb);
        }

        setPressed(true);
        invalidate();
        onStartTrackingTouch();
        trackTouchEvent(event);
        attemptClaimDrag();

        break;
    case MotionEvent.ACTION_MOVE:
        if (pressedThumb != null) {

            if (mIsDragging) {
                trackTouchEvent(event);
            } else {
                // Scroll to follow the motion event
                pointerIndex = event.findPointerIndex(mActivePointerId);
                final float x = event.getX(pointerIndex);

                if (Math.abs(x - mDownMotionX) > mScaledTouchSlop) {
                    setPressed(true);
                    invalidate();
                    onStartTrackingTouch();
                    trackTouchEvent(event);
                    attemptClaimDrag();
                }
            }

            if (notifyWhileDragging && listener != null) {
                listener.onRangeSeekBarValueChanged(this,
                        Thumb.MAX.equals(pressedThumb) ? getSelectedMaxValue() : getSelectedMinValue(),
                        pressedThumb);
            }
        }
        break;
    case MotionEvent.ACTION_UP:
        if (mIsDragging) {
            trackTouchEvent(event);
            onStopTrackingTouch();
            setPressed(false);
        } else {
            // Touch up when we never crossed the touch slop threshold
            // should be interpreted as a tap-seek to that location.
            onStartTrackingTouch();
            trackTouchEvent(event);
            onStopTrackingTouch();
        }

        if (listener != null) {
            listener.onRangeSeekBarValueChanged(this,
                    Thumb.MAX.equals(pressedThumb) ? getSelectedMaxValue() : getSelectedMinValue(),
                    pressedThumb);
        }

        pressedThumb = null;
        invalidate();

        break;
    case MotionEvent.ACTION_POINTER_DOWN: {
        final int index = event.getPointerCount() - 1;
        // final int index = ev.getActionIndex();
        mDownMotionX = event.getX(index);
        mActivePointerId = event.getPointerId(index);
        invalidate();
        break;
    }
    case MotionEvent.ACTION_POINTER_UP:
        onSecondaryPointerUp(event);
        invalidate();
        break;
    case MotionEvent.ACTION_CANCEL:
        if (mIsDragging) {
            onStopTrackingTouch();
            setPressed(false);
        }
        invalidate(); // see above explanation
        break;
    }
    return true;
}

From source file:ch.tutti.android.bottomsheet.ResolverDrawerLayout.java

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

    if (canChildScrollUp()) {
        // Fail fast if we're not in a state where a swipe is possible
        return super.onTouchEvent(ev);
    }/*  w w  w.  j av a  2  s  .  c  o m*/

    mVelocityTracker.addMovement(ev);

    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        mInitialTouchX = x;
        mInitialTouchY = mLastTouchY = y;
        mActivePointerId = ev.getPointerId(0);
        if (findChildUnder(mInitialTouchX, mInitialTouchY) == null && mClickOutsideListener != null) {
            mIsDragging = handled = true;
        }
        handled |= mCollapsibleHeight > 0;
        mScroller.abortAnimation();
    }
        break;

    case MotionEvent.ACTION_MOVE: {
        int index = ev.findPointerIndex(mActivePointerId);
        if (index < 0) {
            Log.e(TAG, "Bad pointer id " + mActivePointerId + ", resetting");
            index = 0;
            mActivePointerId = ev.getPointerId(0);
            mInitialTouchX = ev.getX();
            mInitialTouchY = mLastTouchY = ev.getY();
        }
        final float x = ev.getX(index);
        final float y = ev.getY(index);
        if (!mIsDragging) {
            final float dy = y - mInitialTouchY;
            if (Math.abs(dy) > mTouchSlop && findChildUnder(x, y) != null) {
                handled = mIsDragging = true;
                mLastTouchY = Math.max(mLastTouchY - mTouchSlop,
                        Math.min(mLastTouchY + dy, mLastTouchY + mTouchSlop));
            }
        }
        if (mIsDragging) {
            final float dy = y - mLastTouchY;
            performDrag(dy);
        }
        mLastTouchY = y;
    }
        break;

    case MotionEvent.ACTION_POINTER_DOWN: {
        final int pointerIndex = ev.getActionIndex();
        final int pointerId = ev.getPointerId(pointerIndex);
        mActivePointerId = pointerId;
        mInitialTouchX = ev.getX(pointerIndex);
        mInitialTouchY = mLastTouchY = ev.getY(pointerIndex);
    }
        break;

    case MotionEvent.ACTION_POINTER_UP: {
        onSecondaryPointerUp(ev);
    }
        break;

    case MotionEvent.ACTION_UP: {
        mIsDragging = false;
        if (!mIsDragging && findChildUnder(mInitialTouchX, mInitialTouchY) == null
                && findChildUnder(ev.getX(), ev.getY()) == null) {
            if (mClickOutsideListener != null) {
                mClickOutsideListener.onClick(this);
                resetTouch();
                return true;
            }
        }
        if (mOpenOnClick && Math.abs(ev.getX() - mInitialTouchX) < mTouchSlop
                && Math.abs(ev.getY() - mInitialTouchY) < mTouchSlop) {
            smoothScrollTo(0, 0);
            return true;
        }
        mVelocityTracker.computeCurrentVelocity(1000);
        final float yvel = mVelocityTracker.getYVelocity(mActivePointerId);
        if (Math.abs(yvel) > mMinFlingVelocity) {
            smoothScrollTo(yvel < 0 ? 0 : mCollapsibleHeight, yvel);
        } else {
            smoothScrollTo(mCollapseOffset < mCollapsibleHeight / 2 ? 0 : mCollapsibleHeight, 0);
        }
        resetTouch();
    }
        break;

    case MotionEvent.ACTION_CANCEL: {
        if (mIsDragging) {
            smoothScrollTo(mCollapseOffset < mCollapsibleHeight / 2 ? 0 : mCollapsibleHeight, 0);
        }
        resetTouch();
        return true;
    }
    }

    return handled || (action == MotionEvent.ACTION_MOVE && mCollapseOffset > 0);
}

From source file:ucsc.hci.rankit.DynamicListView.java

@Override
public boolean onTouchEvent(MotionEvent event) {

    switch (event.getAction() & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN:
        mDownX = (int) event.getX();
        mDownY = (int) event.getY();
        mActivePointerId = event.getPointerId(0);

        // This part has been copied from OnItemLongClickListener code above (which has now
        // been commented out).
        mTotalOffset = 0;//from w  w  w  . ja va 2 s  .c om

        int position = pointToPosition(mDownX, mDownY);
        int itemNum = position - getFirstVisiblePosition();

        View selectedView = getChildAt(itemNum);
        mMobileItemId = getAdapter().getItemId(position);
        mHoverCell = getAndAddHoverView(selectedView);
        selectedView.setVisibility(INVISIBLE);

        mCellIsMobile = true;

        updateNeighborViewsForID(mMobileItemId);
        // End of copy-paste from OnItemLongClickListener

        break;
    case MotionEvent.ACTION_MOVE:
        if (mActivePointerId == INVALID_POINTER_ID) {
            break;
        }

        int pointerIndex = event.findPointerIndex(mActivePointerId);

        mLastEventY = (int) event.getY(pointerIndex);
        int deltaY = mLastEventY - mDownY;

        if (mCellIsMobile) {
            mHoverCellCurrentBounds.offsetTo(mHoverCellOriginalBounds.left,
                    mHoverCellOriginalBounds.top + deltaY + mTotalOffset);
            try {
                mHoverCell.setBounds(mHoverCellCurrentBounds);
            } catch (Exception e) {
                e.printStackTrace();
            }
            invalidate();

            handleCellSwitch();

            mIsMobileScrolling = false;
            handleMobileCellScroll();

            return false;
        }
        break;
    case MotionEvent.ACTION_UP:
        touchEventsEnded();
        break;
    case MotionEvent.ACTION_CANCEL:
        touchEventsCancelled();
        break;
    case MotionEvent.ACTION_POINTER_UP:
        /* If a multitouch event took place and the original touch dictating
         * the movement of the hover cell has ended, then the dragging event
         * ends and the hover cell is animated to its corresponding position
         * in the listview. */
        pointerIndex = (event.getAction()
                & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
        final int pointerId = event.getPointerId(pointerIndex);
        if (pointerId == mActivePointerId) {
            touchEventsEnded();
        }
        break;
    default:
        break;
    }

    return super.onTouchEvent(event);
}

From source file:com.cocarechina.pullrefreshview.layout.FlingLayout.java

/******************************************************************/

@Override/*  w  ww . ja v  a2  s  . c  om*/
public boolean dispatchTouchEvent(MotionEvent ev) {
    if (mPullView != null && !ViewCompat.isNestedScrollingEnabled(mPullView)) {
        float moveY = getMoveY();
        int pointerCount = ev.getPointerCount();
        int pointerIndex = ev.getActionIndex();
        if (!mScroller.isFinished()) {
            mScroller.abortAnimation();
        }
        switch (ev.getActionMasked()) {
        case MotionEvent.ACTION_DOWN:
            mPointerId = ev.getPointerId(pointerIndex);
            float x = ev.getX(pointerIndex);
            float y = ev.getY(pointerIndex);
            tepmY = downY = y;
            tepmX = downX = x;
            tempStateType = SCROLL_STATE_TOUCH_SCROLL;
            if (moveY != 0) {
                return true;
            }
            lastY = ev.getY();
            Log.v("lastY", moveY + "");
            break;
        case MotionEvent.ACTION_POINTER_DOWN:
            mPointerId = ev.getPointerId(pointerIndex);
            tepmX = ev.getX(pointerIndex);
            tepmY = ev.getY(pointerIndex);
            break;
        case MotionEvent.ACTION_MOVE:
            pointerIndex = ev.findPointerIndex(mPointerId);
            float mx;
            float my;
            if (pointerCount > pointerIndex && pointerIndex >= 0) {
                mx = ev.getX(pointerIndex);
                my = ev.getY(pointerIndex);
            } else {
                mx = ev.getX();
                my = ev.getY();
            }
            //?????
            int dataX = (int) (mx - tepmX);
            int dataY = (int) (my - tepmY);
            tepmX = mx;
            tepmY = my;
            if (isScrolling || (Math.abs(dataY) > Math.abs(dataX))) {
                isScrolling = true;
                if (moveY == 0) {
                    // 0,0
                    //??
                    if ((dataY < 0 && canPullUp()) || (dataY > 0 && canPullDown())) {
                        moveBy(dataY);
                        return true;
                    }
                } else {
                    //?0,0
                    ev.setAction(MotionEvent.ACTION_CANCEL);//?

                    if ((moveY < 0 && moveY + dataY >= 0) || (moveY > 0 && moveY + dataY <= 0)) {
                        //0,0
                        ev.setAction(MotionEvent.ACTION_DOWN);
                        moveTo(0);
                    } else if ((moveY > 0 && dataY > 0) || (moveY < 0 && dataY < 0)) {
                        //??
                        if (maxDistance == 0 || Math.abs(moveY) < maxDistance) {
                            int ps = 0;
                            int hDataY = dataY / 2;
                            if (maxDistance == 0) {
                                ps = (int) (-hDataY * Math.abs(moveY) / (float) MAXDISTANCE) - hDataY;
                            } else {
                                ps = (int) (-hDataY * Math.abs(moveY) / (float) maxDistance) - hDataY;
                            }
                            moveBy(ps + dataY);
                        } else if (moveY > maxDistance) {

                            moveTo(maxDistance);
                        } else if (moveY < -maxDistance) {
                            moveTo(-maxDistance);
                        }
                    } else {
                        moveBy(dataY);
                    }
                }
            } else {
                ev.setLocation(mx, downY);
            }

            Log.v("flingLayout", "ev.getY()" + ev.getY() + "  ---  lastY " + lastY);
            if (ev.getY() - lastY > 5) {
                if (monScrollHeadListener != null) {
                    monScrollHeadListener.onScrollBottom();
                }
            } else if (ev.getY() - lastY < -10) {
                if (monScrollHeadListener != null) {
                    monScrollHeadListener.onScrollTop();
                }
            }

            break;
        case MotionEvent.ACTION_CANCEL:
        case MotionEvent.ACTION_UP:
            startFling();
            isScrolling = false;
            break;
        case MotionEvent.ACTION_POINTER_UP:
            // ??
            int pointerIdLeave = ev.getPointerId(pointerIndex);
            if (mPointerId == pointerIdLeave) {
                // ??????VelocityTracker
                int reIndex = pointerIndex == 0 ? 1 : 0;
                mPointerId = ev.getPointerId(reIndex);
                // ?
                tepmY = ev.getY(reIndex);
            }
        }
        return super.dispatchTouchEvent(ev) || isScrolling;
    } else {
        return super.dispatchTouchEvent(ev);
    }

}

From source file:com.gu.swiperefresh.SwipeRefreshPlush.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    ensureTarget();/*from ww  w . j  a v  a2 s  .c  o m*/

    final int action = MotionEventCompat.getActionMasked(ev);
    int pointerIndex;

    if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
        mReturningToStart = false;
    }
    if (!isEnabled() || (!canLoadMore() && !canRefresh()) || mReturningToStart || mRefreshController.isRefresh()
            || mNestedScrollInProgress) {
        // Fail fast if we're not in a state where a swipe is possible
        return false;
    }

    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mRefreshController.setTargetOffsetTopAndBottom(
                mRefreshController.getCurrentTargetOffsetTop() - mRefreshView.getTop(), true);
        mActivePointerId = ev.getPointerId(0);
        mIsBeingDragUp = false;
        mIsBeingDragDown = false;

        pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex < 0) {
            return false;
        }
        mInitialDownY = ev.getY(pointerIndex);
        initOrResetVelocityTracker();
        mVelocityTracker.addMovement(ev);
        break;

    case MotionEvent.ACTION_MOVE:
        if (mActivePointerId == INVALID_POINTER) {
            return false;
        }
        mVelocityTracker.addMovement(ev);
        pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex < 0) {
            return false;
        }
        final float y = ev.getY(pointerIndex);
        startDragging(y);
        break;

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

    case MotionEvent.ACTION_UP:
        final VelocityTracker velocityTracker = mVelocityTracker;
        velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
        float initialVelocity = velocityTracker.getYVelocity(mActivePointerId);
        Log.d(TAG, "fling:" + initialVelocity);
        if (Math.abs(initialVelocity) > mMinimumVelocity) {
            flingWithNestedDispatch(0, -initialVelocity);
        }
        releaseVelocityTracker();
        break;
    case MotionEvent.ACTION_CANCEL:
        mIsBeingDragUp = false;
        mActivePointerId = INVALID_POINTER;
        break;
    }

    return mIsBeingDragUp || mIsBeingDragDown;
}

From source file:com.android.mail.browse.ConversationContainer.java

/**
 * Touch slop code was copied from {@link ScrollView#onInterceptTouchEvent(MotionEvent)}.
 *//*w  w w .j  av a2s. c  om*/
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {

    if (!mTouchInitialized) {
        mTouchInitialized = true;
    }

    // no interception when WebView handles the first DOWN
    if (mWebView.isHandlingTouch()) {
        return false;
    }

    boolean intercept = false;
    switch (ev.getActionMasked()) {
    case MotionEvent.ACTION_POINTER_DOWN:
        LogUtils.d(TAG, "Container is intercepting non-primary touch!");
        intercept = true;
        mMissedPointerDown = true;
        requestDisallowInterceptTouchEvent(true);
        break;

    case MotionEvent.ACTION_DOWN:
        mLastMotionY = ev.getY();
        mActivePointerId = ev.getPointerId(0);
        break;

    case MotionEvent.ACTION_MOVE:
        final int pointerIndex = ev.findPointerIndex(mActivePointerId);
        final float y = ev.getY(pointerIndex);
        final int yDiff = (int) Math.abs(y - mLastMotionY);
        if (yDiff > mTouchSlop) {
            mLastMotionY = y;
            intercept = true;
        }
        break;
    }

    //        LogUtils.v(TAG, "in Container.InterceptTouch. action=%d x/y=%f/%f pointers=%d result=%s",
    //                ev.getActionMasked(), ev.getX(), ev.getY(), ev.getPointerCount(), intercept);
    return intercept;
}

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

private void handleCancel(MotionEvent event) {
    if (DEBUG && mDragging)
        Log.v(TAG, "** Handle CANCEL");

    // We should drop the active target here but it interferes with
    // moving off the screen in the direction of the navigation bar. At some point we may
    // want to revisit how we handle this. For now we'll allow a canceled event to
    // activate the current target.

    // mActiveTarget = -1; // Drop the active target if canceled.

    int actionIndex = event.findPointerIndex(mPointerId);
    actionIndex = actionIndex == -1 ? 0 : actionIndex;
    switchToState(STATE_FINISH, event.getX(actionIndex), event.getY(actionIndex));
}

From source file:com.com.mytoolsproject.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);
    int pointerIndex = -1;

    if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
        mReturningToStart = false;/*from  www  .  j a  v  a2 s  . com*/
    }

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

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

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

        final float y = ev.getY(pointerIndex);
        startDragging(y);
        //
        if (mIsBeingDragged) {
            //????
            final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
            if (overscrollTop > 0) {
                moveSpinner(overscrollTop);
            } else {
                return false;
            }
        }
        break;
    }
    case MotionEventCompat.ACTION_POINTER_DOWN: {
        pointerIndex = MotionEventCompat.getActionIndex(ev);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_POINTER_DOWN event but have an invalid action index.");
            return false;
        }
        mActivePointerId = ev.getPointerId(pointerIndex);
        break;
    }

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

    case MotionEvent.ACTION_UP: {
        pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex < 0) {
            Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id.");
            return false;
        }

        if (mIsBeingDragged) {
            final float y = ev.getY(pointerIndex);
            final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE;
            mIsBeingDragged = false;
            finishSpinner(overscrollTop);
        }
        mActivePointerId = INVALID_POINTER;
        return false;
    }
    case MotionEvent.ACTION_CANCEL:
        return false;
    }

    return true;
}

From source file:com.spatialnetworks.fulcrum.widget.DynamicListView.java

@Override
public boolean onTouchEvent(@NonNull MotionEvent event) {

    switch (event.getAction() & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN:
        mDownX = (int) event.getX();
        mDownY = (int) event.getY();
        mActivePointerId = event.getPointerId(0);

        /*/*from www  . j a v a2  s .c  om*/
         * get the touch position. if it's valid and drag and drop is enabled, then get the view
         * and determine if the touch was on the drag and drop view. if so, set up for dragging
         */
        int position = pointToPosition((int) event.getX(), (int) event.getY());
        if (position != INVALID_POSITION && mDragAndDropEnabled) {
            View downView = getChildAt(position - getFirstVisiblePosition());
            assert downView != null;
            if (onDraggable(downView, event.getX() - downView.getX(), event.getY() - downView.getY())) {
                setUpDrag();
            }
        }

        break;
    case MotionEvent.ACTION_MOVE:
        if (mActivePointerId == INVALID_POINTER_ID) {
            break;
        }

        int pointerIndex = event.findPointerIndex(mActivePointerId);

        mLastEventY = (int) event.getY(pointerIndex);
        int deltaY = mLastEventY - mDownY;

        if (mCellIsMobile) {
            mHoverCellCurrentBounds.offsetTo(mHoverCellOriginalBounds.left,
                    mHoverCellOriginalBounds.top + deltaY + mTotalOffset);
            mHoverCell.setBounds(mHoverCellCurrentBounds);
            invalidate();

            handleCellSwitch();

            mIsMobileScrolling = false;
            handleMobileCellScroll();

            return false;
        }
        break;
    case MotionEvent.ACTION_UP:
        touchEventsEnded();
        break;
    case MotionEvent.ACTION_CANCEL:
        touchEventsCancelled();
        break;
    case MotionEvent.ACTION_POINTER_UP:
        /* If a multitouch event took place and the original touch dictating
         * the movement of the hover cell has ended, then the dragging event
         * ends and the hover cell is animated to its corresponding position
         * in the listview. */
        pointerIndex = (event.getAction()
                & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
        final int pointerId = event.getPointerId(pointerIndex);
        if (pointerId == mActivePointerId) {
            touchEventsEnded();
        }
        break;
    default:
        break;
    }

    return super.onTouchEvent(event);
}