Example usage for android.view MotionEvent ACTION_POINTER_UP

List of usage examples for android.view MotionEvent ACTION_POINTER_UP

Introduction

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

Prototype

int ACTION_POINTER_UP

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

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Document

Constant for #getActionMasked : A non-primary pointer has gone up.

Usage

From source file:com.cw.litenote.note.Note.java

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
    int maskedAction = event.getActionMasked();
    switch (maskedAction) {
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_POINTER_UP:
        System.out.println("Note / _dispatchTouchEvent / MotionEvent.ACTION_UP / viewPager.getCurrentItem() ="
                + viewPager.getCurrentItem());
        //1st touch to turn on UI
        if (picUI_touch == null) {
            picUI_touch = new NoteUi(act, viewPager, viewPager.getCurrentItem());
            picUI_touch.tempShow_picViewUI(5000, getCurrentPictureString());
        }//from w w w. j  a v  a2s.  c o m
        //2nd touch to turn off UI
        else
            setTransientPicViewUI();

        //1st touch to turn off UI (primary)
        if (Note_adapter.picUI_primary != null)
            setTransientPicViewUI();
        break;

    case MotionEvent.ACTION_MOVE:
    case MotionEvent.ACTION_DOWN:
    case MotionEvent.ACTION_POINTER_DOWN:
    case MotionEvent.ACTION_CANCEL:
        break;
    }

    return super.dispatchTouchEvent(event);
}

From source file:com.juick.android.MessagesFragment.java

public Boolean maybeInterceptTouchEventFromActivity(MotionEvent event) {
    if (rightScrollBound == 0) {
        Log.w("JAGP", "rightScrollBound == 0");
        return null;
    }// w  w  w .  ja  v a 2 s .c  o  m
    if (getActivity() == null || true)
        return null;
    int action = event.getAction();
    int actionMasked = event.getActionMasked();
    if (fragInParent == null)
        fragInParent = getActivity().findViewById(R.id.messagesfragment);
    if (action == MotionEvent.ACTION_DOWN || actionMasked == MotionEvent.ACTION_POINTER_DOWN) {
        if (mScrollState == SCROLL_STATE_IDLE && fragInParent.getAnimation() == null) {
            if (!canStartScroll(event)) {
                mIsUnableToDrag = true;
                return null;
            }
            if (event.getPointerCount() == 1) {
                Log.w("JAGP", "action_down 1");
                navigationOpenMode = fragInParent.getLeft() > 0;
                mLastMotionX = mInitialMotionX = event.getX();
                mLastMotionY = event.getY();
                currentScrollX = 0;
                mActivePointerId = MotionEventCompat.getPointerId(event, 0);
                mIsBeingDragged = false;
                mIsUnableToDrag = false;
            } else {
                Log.w("JAGP", "action_down 2");
                if (mIsBeingDragged) {
                    if (!navigationOpenMode) {
                        Log.w("JAGP", "action_down 3");
                        setScrollState(SCROLL_STATE_IDLE);
                        scrollToX(0, 500);
                    }
                }
                mIsUnableToDrag = true;
            }
        } else {
            Log.w("JAGP", "!(mScrollState == SCROLL_STATE_IDLE && fragInParent.getAnimation() == null)");
        }
    }
    if (action == MotionEvent.ACTION_UP || actionMasked == MotionEvent.ACTION_POINTER_UP) {
        if (mIsUnableToDrag)
            return null;
        if (mIsBeingDragged) {
            final int activePointerId = mActivePointerId;
            if (activePointerId == INVALID_POINTER) {
                // If we don't have a valid id, the touch down wasn't on content.
                return null;
            }
            int pointerIndex = MotionEventCompat.findPointerIndex(event, activePointerId);
            if (pointerIndex == event.getActionIndex()) {
                if (!navigationOpenMode) {
                    // commenting needed.
                    if (lastToXDelta != null) {
                        if (Math.abs(lastToXDelta) < rightScrollBound / 2) {
                            Log.w("JAGP", "action_up 1");
                            setScrollState(SCROLL_STATE_SETTLING);
                            scrollToX(0, 500);
                        } else {
                            Log.w("JAGP", "action_up 2");
                            setScrollState(SCROLL_STATE_SETTLING);
                            scrollToX((int) -rightScrollBound, 200);
                            handler.postDelayed(new Runnable() {
                                @Override
                                public void run() {
                                    Log.w("JAGP", "action_up 3");
                                    ((MainActivity) getActivity()).openNavigationMenu(false);
                                    lastToXDelta = 0;
                                    fragInParent.clearAnimation();
                                }
                            }, 200);
                        }
                    }
                } else {
                    Log.w("JAGP", "action_up 4");
                    mIsBeingDragged = false;
                    setScrollState(SCROLL_STATE_SETTLING);
                    scrollToX((int) rightScrollBound, 200);
                    mActivePointerId = INVALID_POINTER;
                    handler.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            Log.w("JAGP", "action_up 5");
                            ((MainActivity) getActivity()).closeNavigationMenu(false, true);

                            lastToXDelta = 0;
                            fragInParent.clearAnimation();
                        }
                    }, 200);

                }
                return null;
            }
        }
    }
    if (action == MotionEvent.ACTION_MOVE) {
        if (mIsUnableToDrag)
            return null;
        if (mScrollState == SCROLL_STATE_SETTLING)
            return null;

        /*
         * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check
         * whether the user has moved far enough from his original down touch.
         */

        /*
        * Locally do absolute value. mLastMotionY is set to the y value
        * of the down event.
        */
        MotionEvent ev = event;
        final int activePointerId = mActivePointerId;
        if (activePointerId == INVALID_POINTER) {
            // If we don't have a valid id, the touch down wasn't on content.
            return null;
        }

        int pointerIndex = MotionEventCompat.findPointerIndex(ev, activePointerId);
        float x = MotionEventCompat.getX(ev, pointerIndex);
        float dx = x - mLastMotionX;
        float xDiff = Math.abs(dx);
        float yDiff = Math.abs(MotionEventCompat.getY(ev, pointerIndex) - mLastMotionY);

        if (!mIsBeingDragged) {
            if (isListAnyPressed()) {
                //Log.w("JAGP","action_move 1");
                mIsUnableToDrag = true;
            } else if (xDiff > mTouchSlop && xDiff > yDiff) {
                mIsBeingDragged = true;
                setScrollState(SCROLL_STATE_DRAGGING);
                mLastMotionX = x;
                //Log.w("JAGP","action_move 2");
                return null;
            } else {
                if (yDiff > mTouchSlop) {
                    // The finger has moved enough in the vertical
                    // direction to be counted as a drag...  abort
                    // any attempt to drag horizontally, to work correctly
                    // with children that have scrolling containers.
                    //Log.w("JAGP","action_move 3");
                    mIsUnableToDrag = true;
                }
            }
        }

        if (mIsBeingDragged) {
            //Log.w("JAGP","action_move 4");
            // Scroll to follow the motion event
            final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
            x = MotionEventCompat.getX(ev, activePointerIndex);
            final float deltaX = mLastMotionX - x;
            mLastMotionX = x;
            float oldScrollX = getScrollX();
            float scrollX = oldScrollX + deltaX;
            final int width = getListView().getWidth();
            final int widthWithMargin = width;

            final float leftBound = -widthWithMargin;
            if (navigationOpenMode) {
                if (scrollX < 0) {
                    scrollX = 0;
                } else if (scrollX > rightScrollBound) { // prevent too much to left
                    scrollX = rightScrollBound;
                }
            } else {
                if (scrollX > 0) {
                    scrollX = 0;
                } else if (scrollX > rightScrollBound) {
                    scrollX = rightScrollBound;
                }
            }
            // Don't lose the rounded component
            mLastMotionX += scrollX - (int) scrollX;
            scrollToX((int) scrollX, 1);
            return null;
        }

    }
    return null;
}

From source file:com.aviary.android.feather.sdk.widget.AviaryWorkspace.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {

    final int action = ev.getAction();

    if (!isEnabled()) {
        return false; // We don't want the events. Let them fall through to the all
                      // apps view.
    }/*from  w  w  w.j  a  va  2  s.c om*/

    if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) {
        return true;
    }

    acquireVelocityTrackerAndAddMovement(ev);

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_MOVE: {

        /*
         * Locally do absolute value. mLastMotionX is set to the y value of the
         * down event.
         */
        final int pointerIndex = ev.findPointerIndex(mActivePointerId);

        if (pointerIndex < 0) {
            // invalid pointer
            return true;
        }

        final float x = ev.getX(pointerIndex);
        final float y = ev.getY(pointerIndex);
        final int xDiff = (int) Math.abs(x - mLastMotionX);
        final int yDiff = (int) Math.abs(y - mLastMotionY);

        final int touchSlop = mTouchSlop;
        boolean xMoved = xDiff > touchSlop;
        boolean yMoved = yDiff > touchSlop;
        mLastMotionX2 = x;

        if (xMoved || yMoved) {

            if (xMoved) {
                // Scroll if the user moved far enough along the X axis
                mTouchState = TOUCH_STATE_SCROLLING;
                mLastMotionX = x;
                mTouchX = getScrollX();
                mSmoothingTime = System.nanoTime() / NANOTIME_DIV;
                enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1);
            }

        }
        break;
    }

    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        // Remember location of down touch
        mLastMotionX = x;
        mLastMotionX2 = x;
        mLastMotionY = y;
        mActivePointerId = ev.getPointerId(0);
        mAllowLongPress = true;

        mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING;
        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        // Release the drag
        clearChildrenCache();
        mTouchState = TOUCH_STATE_REST;
        mActivePointerId = INVALID_POINTER;
        mAllowLongPress = false;
        releaseVelocityTracker();
        break;

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

    /*
     * The only time we want to intercept motion events is if we are in the drag mode.
     */
    return mTouchState != TOUCH_STATE_REST;
}

From source file:com.bulletnoid.android.widget.StaggeredGridView.StaggeredGridView3.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (!isEnabled()) {
        // A disabled view that is clickable still consumes the touch
        // events, it just doesn't respond to them.
        return isClickable() || isLongClickable();
    }/*from   w w  w .j  a v a2  s  .  co m*/

    final int action = ev.getAction();

    View v;
    int deltaY;

    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(ev);

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN: {
        mActivePointerId = ev.getPointerId(0);
        final int x = (int) ev.getX();
        final int y = (int) ev.getY();
        int motionPosition = pointToPosition(x, y);
        if (!mDataChanged) {
            if ((mTouchMode != TOUCH_MODE_FLINGING) && (motionPosition >= 0)
                    && (getAdapter().isEnabled(motionPosition))) {
                // User clicked on an actual view (and was not stopping a fling). It might be a
                // click or a scroll. Assume it is a click until proven otherwise
                mTouchMode = TOUCH_MODE_DOWN;
                // FIXME Debounce
                if (mPendingCheckForTap == null) {
                    mPendingCheckForTap = new CheckForTap();
                }
                postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout());
            } else {
                if (ev.getEdgeFlags() != 0 && motionPosition < 0) {
                    // If we couldn't find a view to click on, but the down event was touching
                    // the edge, we will bail out and try again. This allows the edge correcting
                    // code in ViewRoot to try to find a nearby view to select
                    return false;
                }

                if (mTouchMode == TOUCH_MODE_FLINGING) {
                    // Stopped a fling. It is a scroll.
                    //createScrollingCache();
                    mTouchMode = TOUCH_MODE_DRAGGING;
                    mMotionCorrection = 0;
                    motionPosition = findMotionRow(y);
                    reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL);
                }
            }
        }

        if (motionPosition >= 0) {
            // Remember where the motion event started
            v = getChildAt(motionPosition - mFirstPosition);
            //mMotionViewOriginalTop=v.getTop();
        }
        mLastTouchX = x;
        mLastTouchY = y;
        mMotionPosition = motionPosition;
        mTouchRemainderY = Integer.MIN_VALUE;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        final int pointerIndex = ev.findPointerIndex(mActivePointerId);
        final int y = (int) ev.getY(pointerIndex);
        deltaY = (int) (y - mLastTouchY);
        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING:
            // Check if we have moved far enough that it looks more like a
            // scroll than a tap
            startScrollIfNeeded(deltaY);
            break;
        case TOUCH_MODE_DRAGGING:
            /*if (PROFILE_SCROLLING) {
                if (!mScrollProfilingStarted) {
                    Debug.startMethodTracing("AbsListViewScroll");
                    mScrollProfilingStarted=true;
                }
            }*/

            if (y != mTouchRemainderY) {
                deltaY -= mMotionCorrection;
                int incrementalDeltaY = mTouchRemainderY != Integer.MIN_VALUE ? (int) (y - mTouchRemainderY)
                        : deltaY;

                // No need to do all this work if we're not going to move anyway
                boolean atEdge = false;
                if (incrementalDeltaY != 0) {
                    atEdge = trackMotionScroll(deltaY, true);
                }

                // Check to see if we have bumped into the scroll limit
                if (atEdge && getChildCount() > 0) {
                    // Treat this like we're starting a new scroll from the current
                    // position. This will let the user start scrolling back into
                    // content immediately rather than needing to scroll back to the
                    // point where they hit the limit first.
                    int motionPosition = findMotionRow(y);
                    if (motionPosition >= 0) {
                        final View motionView = getChildAt(motionPosition - mFirstPosition);
                        //mMotionViewOriginalTop=motionView.getTop();
                    }
                    mLastTouchY = y;
                    mMotionPosition = motionPosition;
                    invalidate();
                }
                mTouchRemainderY = y;
            }
            break;
        }

        break;
    }

    case MotionEvent.ACTION_UP: {
        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING:
            final int motionPosition = mMotionPosition;
            final View child = getChildAt(motionPosition - mFirstPosition);
            System.out.println("child:" + child + " motionPosition:" + motionPosition);
            if (child != null && !child.hasFocusable()) {
                if (mTouchMode != TOUCH_MODE_DOWN) {
                    child.setPressed(false);
                }

                if (mPerformClick == null) {
                    mPerformClick = new PerformClick();
                }

                final PerformClick performClick = mPerformClick;
                //performClick.mChild=child;
                performClick.mClickMotionPosition = motionPosition;
                performClick.rememberWindowAttachCount();

                //mResurrectToPosition=motionPosition;

                if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) {
                    //mLayoutMode=LAYOUT_NORMAL;
                    if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                        mTouchMode = TOUCH_MODE_TAP;
                        layoutChildren(mDataChanged);
                        child.setPressed(true);
                        positionSelector(mMotionPosition, child);
                        setPressed(true);
                        if (mSelector != null) {
                            Drawable d = mSelector.getCurrent();
                            if (d != null && d instanceof TransitionDrawable) {
                                ((TransitionDrawable) d).resetTransition();
                            }
                        }
                        postDelayed(new Runnable() {
                            public void run() {
                                child.setPressed(false);
                                setPressed(false);
                                if (!mDataChanged) {
                                    post(performClick);
                                }
                                mTouchMode = TOUCH_MODE_REST;
                            }
                        }, ViewConfiguration.getPressedStateDuration());
                    } else {
                        mTouchMode = TOUCH_MODE_REST;
                    }
                    return true;
                } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                    post(performClick);
                }
            }
            mTouchMode = TOUCH_MODE_REST;
            break;
        case TOUCH_MODE_DRAGGING:
            final int childCount = getChildCount();
            if (childCount > 0) {
                /*int top=getFillChildTop();
                int bottom=getFillChildBottom();
                if (mFirstPosition==0&&top>=mListPadding.top&&
                    mFirstPosition+childCount<mItemCount&&
                    bottom<=getHeight()-getPaddingBottom()mListPadding.bottom) {
                    mTouchMode=TOUCH_MODE_REST;
                    reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
                } else*/ {
                    final VelocityTracker velocityTracker = mVelocityTracker;
                    velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
                    final int initialVelocity = (int) velocityTracker.getYVelocity(mActivePointerId);

                    if (Math.abs(initialVelocity) > mMinimumVelocity) {
                        if (mFlingRunnable == null) {
                            mFlingRunnable = new FlingRunnable();
                        }
                        reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING);

                        mFlingRunnable.start(-initialVelocity);
                    } else {
                        mTouchMode = TOUCH_MODE_REST;
                        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
                    }
                }
            } else {
                mTouchMode = TOUCH_MODE_REST;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            }
            break;
        }

        setPressed(false);

        // Need to redraw since we probably aren't drawing the selector anymore
        invalidate();

        if (mVelocityTracker != null) {
            mVelocityTracker.recycle();
            mVelocityTracker = null;
        }

        mActivePointerId = INVALID_POINTER;

        /*if (PROFILE_SCROLLING) {
            if (mScrollProfilingStarted) {
                Debug.stopMethodTracing();
                mScrollProfilingStarted=false;
            }
        }*/
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        mTouchMode = TOUCH_MODE_REST;
        setPressed(false);
        View motionView = this.getChildAt(mMotionPosition - mFirstPosition);
        if (motionView != null) {
            motionView.setPressed(false);
        }
        clearScrollingCache();

        if (mVelocityTracker != null) {
            mVelocityTracker.recycle();
            mVelocityTracker = null;
        }

        mActivePointerId = INVALID_POINTER;
        break;
    }

    case MotionEvent.ACTION_POINTER_UP: {
        onSecondaryPointerUp(ev);
        final int x = (int) mLastTouchX;
        final int y = (int) mLastTouchY;
        final int motionPosition = pointToPosition(x, y);
        if (motionPosition >= 0) {
            // Remember where the motion event started
            v = getChildAt(motionPosition - mFirstPosition);
            //mMotionViewOriginalTop=v.getTop();
            mMotionPosition = motionPosition;
        }
        mTouchRemainderY = y;
        break;
    }
    }

    return true;
}

From source file:org.godotengine.godot.Godot.java

public boolean gotTouchEvent(final MotionEvent event) {

    final int evcount = event.getPointerCount();
    if (evcount == 0)
        return true;

    if (mView != null) {
        final int[] arr = new int[event.getPointerCount() * 3];

        for (int i = 0; i < event.getPointerCount(); i++) {

            arr[i * 3 + 0] = (int) event.getPointerId(i);
            arr[i * 3 + 1] = (int) event.getX(i);
            arr[i * 3 + 2] = (int) event.getY(i);
        }//w w  w . j  av a2 s .  c o m
        final int pointer_idx = event.getPointerId(event.getActionIndex());

        //System.out.printf("gaction: %d\n",event.getAction());
        final int action = event.getAction() & MotionEvent.ACTION_MASK;
        mView.queueEvent(new Runnable() {
            @Override
            public void run() {
                switch (action) {
                case MotionEvent.ACTION_DOWN: {
                    GodotLib.touch(0, 0, evcount, arr);
                    //System.out.printf("action down at: %f,%f\n", event.getX(),event.getY());
                }
                    break;
                case MotionEvent.ACTION_MOVE: {
                    GodotLib.touch(1, 0, evcount, arr);
                    /*
                    for(int i=0;i<event.getPointerCount();i++) {
                       System.out.printf("%d - moved to: %f,%f\n",i, event.getX(i),event.getY(i));
                    }
                    */
                }
                    break;
                case MotionEvent.ACTION_POINTER_UP: {
                    GodotLib.touch(4, pointer_idx, evcount, arr);
                    //System.out.printf("%d - s.up at: %f,%f\n",pointer_idx, event.getX(pointer_idx),event.getY(pointer_idx));
                }
                    break;
                case MotionEvent.ACTION_POINTER_DOWN: {
                    GodotLib.touch(3, pointer_idx, evcount, arr);
                    //System.out.printf("%d - s.down at: %f,%f\n",pointer_idx, event.getX(pointer_idx),event.getY(pointer_idx));
                }
                    break;
                case MotionEvent.ACTION_CANCEL:
                case MotionEvent.ACTION_UP: {
                    GodotLib.touch(2, 0, evcount, arr);
                    /*
                    for(int i=0;i<event.getPointerCount();i++) {
                       System.out.printf("%d - up! %f,%f\n",i, event.getX(i),event.getY(i));
                    }
                    */
                }
                    break;
                }
            }
        });
    }
    return true;
}

From source file:com.bulletnoid.android.widget.StaggeredGridView.StaggeredGridView2.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (!isEnabled()) {
        // A disabled view that is clickable still consumes the touch
        // events, it just doesn't respond to them.
        return isClickable() || isLongClickable();
    }/*  w  w w .  j  a  v a2s. co m*/

    initVelocityTrackerIfNotExists();
    mVelocityTracker.addMovement(ev);

    final int actionMasked = ev.getActionMasked();
    switch (actionMasked) {
    case MotionEvent.ACTION_DOWN: {
        onTouchDown(ev);
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        onTouchMove(ev);
        break;
    }

    case MotionEvent.ACTION_UP: {
        onTouchUp(ev);
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        onTouchCancel();
        break;
    }

    case MotionEvent.ACTION_POINTER_UP: {
        onSecondaryPointerUp(ev);
        final int x = (int) mLastTouchX;
        final int y = (int) mLastTouchY;
        final int motionPosition = pointToPosition(x, y);
        if (motionPosition >= 0) {
            // Remember where the motion event started
            final View child = getChildAt(motionPosition - mFirstPosition);
            //mMotionViewOriginalTop = child.getTop();
            mMotionPosition = motionPosition;
        }
        mTouchRemainderY = y;
        break;
    }

    case MotionEvent.ACTION_POINTER_DOWN: {
        // New pointers take over dragging duties
        final int index = ev.getActionIndex();
        final int id = ev.getPointerId(index);
        final int x = (int) ev.getX(index);
        final int y = (int) ev.getY(index);
        mMotionCorrection = 0;
        mActivePointerId = id;
        mLastTouchX = x;
        mLastTouchY = y;
        final int motionPosition = pointToPosition(x, y);
        if (motionPosition >= 0) {
            // Remember where the motion event started
            final View child = getChildAt(motionPosition - mFirstPosition);
            //mMotionViewOriginalTop = child.getTop();
            mMotionPosition = motionPosition;
        }
        mTouchRemainderY = y;
        break;
    }
    }

    return true;
}

From source file:jackson.com.slidingmenulib.MyViewDragHelper.java

/**
 * Check if this event as provided to the parent view's onInterceptTouchEvent should
 * cause the parent to intercept the touch event stream.
 *
 * @param ev MotionEvent provided to onInterceptTouchEvent
 * @return true if the parent view should return true from onInterceptTouchEvent
 *///  www .  j  a  v  a  2 s  . c  o  m
public boolean shouldInterceptTouchEvent(MotionEvent ev) {
    final int action = ev.getActionMasked();
    final int actionIndex = ev.getActionIndex();

    if (action == MotionEvent.ACTION_DOWN) {
        // Reset things for a new event stream, just in case we didn't get
        // the whole previous stream.
        cancel();
    }

    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(ev);

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        final int pointerId = ev.getPointerId(0);
        saveInitialMotion(x, y, pointerId);

        final View toCapture = findTopChildUnder((int) x, (int) y);

        // Catch a settling view if possible.
        if (toCapture == mCapturedView && mDragState == STATE_SETTLING) {
            tryCaptureViewForDrag(toCapture, pointerId);
        }

        final int edgesTouched = mInitialEdgesTouched[pointerId];
        if ((edgesTouched & mTrackingEdges) != 0) {
            mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
        }
        break;
    }

    case MotionEvent.ACTION_POINTER_DOWN: {
        final int pointerId = ev.getPointerId(actionIndex);
        final float x = ev.getX(actionIndex);
        final float y = ev.getY(actionIndex);

        saveInitialMotion(x, y, pointerId);

        // A ViewDragHelper can only manipulate one view at a time.
        if (mDragState == STATE_IDLE) {
            final int edgesTouched = mInitialEdgesTouched[pointerId];
            if ((edgesTouched & mTrackingEdges) != 0) {
                mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
            }
        } else if (mDragState == STATE_SETTLING) {
            // Catch a settling view if possible.
            final View toCapture = findTopChildUnder((int) x, (int) y);
            if (toCapture == mCapturedView) {
                tryCaptureViewForDrag(toCapture, pointerId);
            }
        }
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        if (mInitialMotionX == null || mInitialMotionY == null)
            break;

        // First to cross a touch slop over a draggable view wins. Also report edge drags.
        final int pointerCount = ev.getPointerCount();
        for (int i = 0; i < pointerCount; i++) {
            final int pointerId = ev.getPointerId(i);

            // If pointer is invalid then skip the ACTION_MOVE.
            if (!isValidPointerForActionMove(pointerId))
                continue;

            final float x = ev.getX(i);
            final float y = ev.getY(i);
            final float dx = x - mInitialMotionX[pointerId];
            final float dy = y - mInitialMotionY[pointerId];

            final View toCapture = findTopChildUnder((int) x, (int) y);
            final boolean pastSlop = toCapture != null && checkTouchSlop(toCapture, dx, dy);
            if (pastSlop) {
                // check the callback's
                // getView[Horizontal|Vertical]DragRange methods to know
                // if you can move at all along an axis, then see if it
                // would clamp to the same value. If you can't move at
                // all in every dimension with a nonzero range, bail.
                final int oldLeft = toCapture.getLeft();
                final int targetLeft = oldLeft + (int) dx;
                final int newLeft = mCallback.clampViewPositionHorizontal(toCapture, targetLeft, (int) dx);
                final int oldTop = toCapture.getTop();
                final int targetTop = oldTop + (int) dy;
                final int newTop = mCallback.clampViewPositionVertical(toCapture, targetTop, (int) dy);
                final int horizontalDragRange = mCallback.getViewHorizontalDragRange(toCapture);
                final int verticalDragRange = mCallback.getViewVerticalDragRange(toCapture);
                if ((horizontalDragRange == 0 || horizontalDragRange > 0 && newLeft == oldLeft)
                        && (verticalDragRange == 0 || verticalDragRange > 0 && newTop == oldTop)) {
                    break;
                }
            }
            reportNewEdgeDrags(dx, dy, pointerId);
            if (mDragState == STATE_DRAGGING) {
                // Callback might have started an edge drag
                break;
            }

            if (pastSlop && tryCaptureViewForDrag(toCapture, pointerId)) {
                break;
            }
        }
        saveLastMotion(ev);
        break;
    }

    case MotionEvent.ACTION_POINTER_UP: {
        final int pointerId = ev.getPointerId(actionIndex);
        clearMotionHistory(pointerId);
        break;
    }

    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL: {
        cancel();
        break;
    }
    }

    return mDragState == STATE_DRAGGING;
}

From source file:com.mylikes.likes.etchasketch.Slate.java

@SuppressLint("NewApi")
@Override/*from   w w  w .  j  ava  2 s . c o  m*/
public boolean onTouchEvent(MotionEvent event) {
    final int action = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) ? event.getActionMasked()
            : event.getAction();
    int N = event.getHistorySize();
    int P = event.getPointerCount();
    long time = event.getEventTime();

    mEmpty = false;

    // starting a new touch? commit the previous state of the canvas
    if (action == MotionEvent.ACTION_DOWN) {
        commitStroke();
    }

    if (mZoomMode) {
        return false;
    }

    int pointerIndex = MotionEventCompat.getActionIndex(event);
    int pointerId = event.getPointerId(pointerIndex);
    if (moveMode) {
        if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_POINTER_DOWN) {
            if (firstFinger != null) {
                MotionEvent.PointerCoords coords1 = new MotionEvent.PointerCoords();
                event.getPointerCoords(0, coords1);
                Log.d(TAG, "coords1: " + coords1.x + " " + coords1.y);
                MotionEvent.PointerCoords coords2 = new MotionEvent.PointerCoords();
                event.getPointerCoords(1, coords2);
                firstFinger.set(coords1.x, coords1.y);
                secondFinger = new PointF(coords2.x, coords2.y);
            } else {
                touchStartTime = System.currentTimeMillis();
                moveDrawingStartX = event.getX();
                moveDrawingStartY = event.getY();
                int i = 0;
                moveDrawingIndex = -1;
                resizeDrawingIndex = -1;
                resizeDrawingCorner = null;
                if (selectedDrawing != null) {
                    moveDrawingIndex = 0;
                }
                if (i >= overlays.size()) {
                    return true;
                }
                Log.d(TAG, "Start dragging overlay");
                firstFinger = new PointF(event.getX(), event.getY());
            }
            return true;
        } else if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP) {
            if (secondFinger != null) {
                secondFinger = null;
                MotionEvent.PointerCoords coords1 = new MotionEvent.PointerCoords();
                event.getPointerCoords(0, coords1);
                moveDrawingStartX = coords1.x;
                moveDrawingStartY = coords1.y;
                return true;
            }
            if (firstFinger != null) {
                firstFinger = null;
            }
            if (moveDrawingIndex == -1 && resizeDrawingIndex == -1
                    && System.currentTimeMillis() - touchStartTime < 400
                    && Math.abs(event.getX() - moveDrawingStartX)
                            + Math.abs(event.getY() - moveDrawingStartY) < 8) {
                if (resizeDrawingCorner != null && selectedDrawing != null) {
                    if (resizeDrawingCorner == "tl" && selectedDrawing instanceof TextDrawing) {
                        //promptForText((TextDrawing)selectedDrawing);
                    } else if (resizeDrawingCorner == "tr") {
                        //maybeRemoveDrawing(selectedDrawing);
                    }
                } else {
                    //promptForText((int) event.getX(), (int) event.getY());
                }
            }
            moveDrawingIndex = -1;
            Log.d(TAG, "Stop dragging overlay");
            // TODO: add to undo stack
            return true;
        } else if (firstFinger != null && secondFinger != null && action == MotionEvent.ACTION_MOVE) {
            MotionEvent.PointerCoords coords1 = new MotionEvent.PointerCoords();
            event.getPointerCoords(0, coords1);
            Log.d(TAG, "coords1: " + coords1.x + " " + coords1.y);
            MotionEvent.PointerCoords coords2 = new MotionEvent.PointerCoords();
            event.getPointerCoords(1, coords2);
            Log.d(TAG, "coords2: " + coords2.x + " " + coords2.y);
            float xDist = firstFinger.x - secondFinger.x, yDist = firstFinger.y - secondFinger.y;
            float origAngle = (float) Math.atan2(yDist, xDist);
            if (origAngle < 0)
                origAngle += Math.PI * 2;
            float lastDistance = (float) Math.sqrt(xDist * xDist + yDist * yDist);

            xDist = coords2.x - coords1.x;
            yDist = coords2.y - coords1.y;
            float newDistance = (float) Math.sqrt(xDist * xDist + yDist * yDist);
            float newAngle = (float) Math.atan2(yDist, xDist);
            if (newAngle < 0)
                newAngle += Math.PI * 2;
            if (newAngle - origAngle > Math.PI / 2) {
                origAngle += Math.PI;
            } else if (origAngle - newAngle > Math.PI / 2) {
                newAngle += Math.PI;
            }

            firstFinger.set(coords1.x, coords1.y);
            secondFinger = new PointF(coords2.x, coords2.y);
            if (selectedDrawing != null) {
                selectedDrawing.resizeBy(newDistance / lastDistance);
                selectedDrawing.rotateBy(newAngle - origAngle);
                invalidate();
            }
        } else if (moveDrawingIndex >= 0 && moveDrawingIndex < overlays.size()
                && action == MotionEvent.ACTION_MOVE) {
            float x = event.getX();
            float y = event.getY();
            overlays.get(moveDrawingIndex).moveBy((int) ((x - moveDrawingStartX) * getDrawingDensity()),
                    (int) ((y - moveDrawingStartY) * getDrawingDensity()));
            // TODO: only invalidate relevant Rect
            invalidate();
            moveDrawingStartX = x;
            moveDrawingStartY = y;
            return true;
        } else if (resizeDrawingIndex >= 0 && resizeDrawingIndex < overlays.size()
                && action == MotionEvent.ACTION_MOVE) {
            float x = event.getX();
            float y = event.getY();
            overlays.get(resizeDrawingIndex).resizeCorner(resizeDrawingCorner, (int) (x - moveDrawingStartX),
                    (int) (y - moveDrawingStartY));
            // TODO: only invalidate relevant Rect
            invalidate();
            moveDrawingStartX = x;
            moveDrawingStartY = y;
            return true;
        }
        return false;
    }

    if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_POINTER_DOWN
            || action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP) {
        int j = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) ? event.getActionIndex() : 0;

        mTmpSpot.update(event.getX(j), event.getY(j), event.getSize(j), event.getPressure(j) + event.getSize(j),
                time, getToolTypeCompat(event, j));
        mStrokes[event.getPointerId(j)].add(mTmpSpot);
        if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP) {
            mStrokes[event.getPointerId(j)].finish(time);
        }
    } else if (action == MotionEvent.ACTION_MOVE) {
        if (dbgX >= 0) {
            dbgRect.set(dbgX - 1, dbgY - 1, dbgX + 1, dbgY + 1);
        }

        for (int i = 0; i < N; i++) {
            for (int j = 0; j < P; j++) {
                mTmpSpot.update(event.getHistoricalX(j, i), event.getHistoricalY(j, i),
                        event.getHistoricalSize(j, i),
                        event.getHistoricalPressure(j, i) + event.getHistoricalSize(j, i),
                        event.getHistoricalEventTime(i), getToolTypeCompat(event, j));
                if ((mDebugFlags & FLAG_DEBUG_STROKES) != 0) {
                    if (dbgX >= 0) {
                        //mTiledCanvas.drawLine(dbgX, dbgY, mTmpSpot.x, mTmpSpot.y, mDebugPaints[3]);
                    }
                    dbgX = mTmpSpot.x;
                    dbgY = mTmpSpot.y;
                    dbgRect.union(dbgX - 1, dbgY - 1, dbgX + 1, dbgY + 1);
                }
                mStrokes[event.getPointerId(j)].add(mTmpSpot);
            }
        }
        for (int j = 0; j < P; j++) {
            mTmpSpot.update(event.getX(j), event.getY(j), event.getSize(j),
                    event.getPressure(j) + event.getSize(j), time, getToolTypeCompat(event, j));
            if ((mDebugFlags & FLAG_DEBUG_STROKES) != 0) {
                if (dbgX >= 0) {
                    //mTiledCanvas.drawLine(dbgX, dbgY, mTmpSpot.x, mTmpSpot.y, mDebugPaints[3]);
                }
                dbgX = mTmpSpot.x;
                dbgY = mTmpSpot.y;
                dbgRect.union(dbgX - 1, dbgY - 1, dbgX + 1, dbgY + 1);
            }
            mStrokes[event.getPointerId(j)].add(mTmpSpot);
        }

        if ((mDebugFlags & FLAG_DEBUG_STROKES) != 0) {
            Rect dirty = new Rect();
            dbgRect.roundOut(dirty);
            invalidate(dirty);
        }
    }

    if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) {
        for (int j = 0; j < P; j++) {
            mStrokes[event.getPointerId(j)].finish(time);
        }
        dbgX = dbgY = -1;
    }
    return true;
}

From source file:cc.flydev.launcher.Workspace.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    switch (ev.getAction() & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN:
        mXDown = ev.getX();//from w  w w  .j  ava  2 s. c  om
        mYDown = ev.getY();
        mTouchDownTime = System.currentTimeMillis();
        break;
    case MotionEvent.ACTION_POINTER_UP:
    case MotionEvent.ACTION_UP:
        if (mTouchState == TOUCH_STATE_REST) {
            final CellLayout currentPage = (CellLayout) getChildAt(mCurrentPage);
            if (!currentPage.lastDownOnOccupiedCell()) {
                onWallpaperTap(ev);
            }
        }
    }
    return super.onInterceptTouchEvent(ev);
}