Example usage for android.view MotionEvent getY

Introduction

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

Prototype

public final float getY() 

Source Link

Document

#getY(int) for the first pointer index (may be an arbitrary pointer identifier).

Usage

From source file:com.android.gallery3d.filtershow.FilterShowActivity.java

public boolean dispatchTouchEvent(MotionEvent ev) {
    if (mHandlingSwipeButton) {
        int direction = CategoryView.HORIZONTAL;
        if (mHandledSwipeView instanceof CategoryView) {
            direction = ((CategoryView) mHandledSwipeView).getOrientation();
        }/*w  w w.j a  v  a  2  s.  c o  m*/
        if (ev.getActionMasked() == MotionEvent.ACTION_MOVE) {
            float delta = ev.getY() - mSwipeStartY;
            float distance = mHandledSwipeView.getHeight();
            if (direction == CategoryView.VERTICAL) {
                delta = ev.getX() - mSwipeStartX;
                mHandledSwipeView.setTranslationX(delta);
                distance = mHandledSwipeView.getWidth();
            } else {
                mHandledSwipeView.setTranslationY(delta);
            }
            delta = Math.abs(delta);
            float transparency = Math.min(1, delta / distance);
            mHandledSwipeView.setAlpha(1.f - transparency);
            mHandledSwipeViewLastDelta = delta;
        }
        if (ev.getActionMasked() == MotionEvent.ACTION_CANCEL
                || ev.getActionMasked() == MotionEvent.ACTION_UP) {
            mHandledSwipeView.setTranslationX(0);
            mHandledSwipeView.setTranslationY(0);
            mHandledSwipeView.setAlpha(1.f);
            mHandlingSwipeButton = false;
            float distance = mHandledSwipeView.getHeight();
            if (direction == CategoryView.VERTICAL) {
                distance = mHandledSwipeView.getWidth();
            }
            if (mHandledSwipeViewLastDelta > distance) {
                ((SwipableView) mHandledSwipeView).delete();
            }
        }
        return true;
    }
    return super.dispatchTouchEvent(ev);
}

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From source file:biz.laenger.android.vpbs.ViewPagerBottomSheetBehavior.java

@Override
public boolean onInterceptTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        mIgnoreEvents = true;/*from   w w w . j a  v a2s.  c  o  m*/
        return false;
    }
    int action = MotionEventCompat.getActionMasked(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    switch (action) {
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        mTouchingScrollingChild = false;
        mActivePointerId = MotionEvent.INVALID_POINTER_ID;
        // Reset the ignore flag
        if (mIgnoreEvents) {
            mIgnoreEvents = false;
            return false;
        }
        break;
    case MotionEvent.ACTION_DOWN:
        int initialX = (int) event.getX();
        mInitialY = (int) event.getY();
        for (WeakReference<View> scrollableView : scrollableViews) {
            View scroll = scrollableView.get();
            if (scroll != null && parent.isPointInChildBounds(scroll, initialX, mInitialY)) {
                mActivePointerId = event.getPointerId(event.getActionIndex());
                mTouchingScrollingChild = true;
                break;
            }
        }

        mIgnoreEvents = mActivePointerId == MotionEvent.INVALID_POINTER_ID
                && !parent.isPointInChildBounds(child, initialX, mInitialY);
        break;
    }
    if (!mIgnoreEvents && mViewDragHelper.shouldInterceptTouchEvent(event)) {
        return true;
    }
    // We have to handle cases that the ViewDragHelper does not capture the bottom sheet because
    // it is not the top most view of its parent. This is not necessary when the touch event is
    // happening over the scrolling content as nested scrolling logic handles that case.
    boolean isPointInChildBounds = false;

    for (WeakReference<View> scrollableView : scrollableViews) {
        isPointInChildBounds = scrollableView.get() != null
                && parent.isPointInChildBounds(scrollableView.get(), (int) event.getX(), (int) event.getY());
        if (isPointInChildBounds) {
            break;
        }
    }

    return action == MotionEvent.ACTION_MOVE && !mIgnoreEvents && mState != STATE_DRAGGING
            && !isPointInChildBounds && Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop();
}

---

From source file:com.chrynan.guitarchords.view.GuitarChordView.java

protected boolean isInChartBounds(MotionEvent event) {
    float x = event.getX();
    float y = event.getY();
    if (x >= (drawingBounds.left + fretNumberBounds.width()) && x < drawingBounds.right) {
        if (y >= (drawingBounds.top + stringMarkerBounds.height()) && y < drawingBounds.bottom) {
            return true;
        }//  ww  w  .  ja  v  a2s .  c  o m
    }
    return false;
}

---

From source file:com.chrynan.guitarchords.view.GuitarChordView.java

protected boolean isInStringMarkerBounds(MotionEvent event) {
    float x = event.getX();
    float y = event.getY();
    if (x >= drawingBounds.left && x < drawingBounds.right) {
        if (y >= drawingBounds.top && y < (drawingBounds.top + stringMarkerBounds.height())) {
            return true;
        }//from  w w w .j  a  va 2 s. com
    }
    return false;
}

---

From source file:com.chrynan.guitarchords.view.GuitarChordView.java

protected int getSelectedFret(MotionEvent event) {
    int fretStart = chord.getFretStart();
    float y = event.getY();
    int i;/* www .ja va 2s  . c  o m*/
    for (i = 0; i < chord.getFretCount(); i++) {
        if (y < (stringMarkerBounds.bottom + (i * fretSize) + (i * fretMarkerSize))) {
            break;
        }
    }
    i = (fretStart < 0) ? i : (fretStart - 1) + i;
    return i;
}

---

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

/**
 * ConversationItemView is given the first chance to handle touch events.
 *///from  w ww .  ja  v  a  2s.co  m
@Override
public boolean onTouchEvent(MotionEvent event) {
    Utils.traceBeginSection("on touch event");
    int x = (int) event.getX();
    int y = (int) event.getY();
    if (!mSwipeEnabled) {
        Utils.traceEndSection();
        return onTouchEventNoSwipe(event);
    }
    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
        if (isTouchInContactPhoto(x, y) || isTouchInInfoIcon(x, y) || isTouchInStar(x, y)) {
            mDownEvent = true;
            Utils.traceEndSection();
            return true;
        }
        break;
    case MotionEvent.ACTION_UP:
        if (mDownEvent) {
            if (isTouchInContactPhoto(x, y)) {
                // Touch on the check mark
                Utils.traceEndSection();
                mDownEvent = false;
                toggleCheckedState();
                Utils.traceEndSection();
                return true;
            } else if (isTouchInInfoIcon(x, y)) {
                // Touch on the info icon
                mDownEvent = false;
                if (mConversationItemAreaClickListener != null) {
                    mConversationItemAreaClickListener.onInfoIconClicked();
                }
                Utils.traceEndSection();
                return true;
            } else if (isTouchInStar(x, y)) {
                // Touch on the star
                mDownEvent = false;
                if (mConversationItemAreaClickListener == null) {
                    toggleStar();
                } else {
                    mConversationItemAreaClickListener.onStarClicked();
                }
                Utils.traceEndSection();
                return true;
            }
        }
        break;
    }
    // Let View try to handle it as well.
    boolean handled = super.onTouchEvent(event);
    if (event.getAction() == MotionEvent.ACTION_DOWN) {
        Utils.traceEndSection();
        return true;
    }
    Utils.traceEndSection();
    return handled;
}

---

From source file:androidVNC.VncCanvasActivity.java

boolean trackballMouse(MotionEvent evt) {
    int dx = convertTrackballDelta(evt.getX());
    int dy = convertTrackballDelta(evt.getY());

    evt.offsetLocation(vncCanvas.mouseX + dx - evt.getX(), vncCanvas.mouseY + dy - evt.getY());

    if (vncCanvas.processPointerEvent(evt, trackballButtonDown)) {
        return true;
    }//from   w  ww. ja  v  a2  s .c  o  m
    return VncCanvasActivity.super.onTouchEvent(evt);
}

---

From source file:com.akshay.protocol10.asplayer.widget.SlidingUpPanelLayout.java

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

    if (!isEnabled() || !mIsSlidingEnabled || (mIsUnableToDrag && action != MotionEvent.ACTION_DOWN)) {
        mDragHelper.cancel();//from www.j a  v a 2  s  .  com
        return super.onInterceptTouchEvent(ev);
    }

    if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) {
        mDragHelper.cancel();
        return false;
    }

    final float x = ev.getX();
    final float y = ev.getY();

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        mIsUnableToDrag = false;
        mInitialMotionX = x;
        mInitialMotionY = y;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        final float adx = Math.abs(x - mInitialMotionX);
        final float ady = Math.abs(y - mInitialMotionY);
        final int dragSlop = mDragHelper.getTouchSlop();

        // Handle any horizontal scrolling on the drag view.
        if (mIsUsingDragViewTouchEvents && adx > dragSlop && ady < dragSlop) {
            return super.onInterceptTouchEvent(ev);
        }

        if ((ady > dragSlop && adx > ady) || !isDragViewUnder((int) mInitialMotionX, (int) mInitialMotionY)) {
            mDragHelper.cancel();
            mIsUnableToDrag = true;
            return false;
        }
        break;
    }
    }

    return mDragHelper.shouldInterceptTouchEvent(ev);
}

---

From source file:aksha.upcomingdemo.HorizontalListView.java

protected boolean onDown(MotionEvent e) {
    // If the user just caught a fling, then disable all touch actions until they release their finger
    mBlockTouchAction = !mFlingTracker.isFinished();

    // Allow a finger down event to catch a fling
    mFlingTracker.forceFinished(true);/*from  www .  ja  va2s  .co  m*/
    setCurrentScrollState(OnScrollStateChangedListener.ScrollState.SCROLL_STATE_IDLE);

    unpressTouchedChild();

    if (!mBlockTouchAction) {
        // Find the child that was pressed
        final int index = getChildIndex((int) e.getX(), (int) e.getY());
        if (index >= 0) {
            // Save off view being touched so it can later be released
            mViewBeingTouched = getChildAt(index);

            if (mViewBeingTouched != null) {
                // Set the view as pressed
                mViewBeingTouched.setPressed(true);
                refreshDrawableState();
            }
        }
    }

    return true;
}

---

From source file:com.chrynan.guitarchords.view.GuitarChordView.java

protected boolean isInFretNumberBounds(MotionEvent event) {
    if (showFretNumbers) {
        float x = event.getX();
        float y = event.getY();
        if (x >= drawingBounds.left && x < (drawingBounds.left + fretNumberBounds.width())) {
            if (y >= drawingBounds.top && y < drawingBounds.bottom) {
                return true;
            }/*from   www.ja  va 2 s . c om*/
        }
    }
    return false;
}

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