Example usage for android.view MotionEvent recycle

List of usage examples for android.view MotionEvent recycle

Introduction

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

Prototype

@Override
public final void recycle() 

Source Link

Document

Recycle the MotionEvent, to be re-used by a later caller.

Usage

From source file:com.brantapps.viewpagerindicator.vertical.VerticalViewPager.java

/**
 * Fake drag by an offset in pixels. You must have called {@link #beginFakeDrag()} first.
 *
 * @param yOffset Offset in pixels to drag by.
 * @see #beginFakeDrag()/*from   w w  w .  ja  v  a  2  s .  c  o  m*/
 * @see #endFakeDrag()
 */
// BrantApps Change: Replaced all "X"s with "Y"s (except one noted later), "width"s with "height"s, "left"s with "top"s, "right"s with "bottom"s
public void fakeDragBy(float yOffset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    mLastMotionY += yOffset;

    float oldScrollY = getScrollY();
    float scrollY = oldScrollY - yOffset;
    final int height = getHeight();

    float topBound = height * mFirstOffset;
    float bottomBound = height * mLastOffset;

    final ItemInfo firstItem = mItems.get(0);
    final ItemInfo lastItem = mItems.get(mItems.size() - 1);
    if (firstItem.position != 0) {
        topBound = firstItem.offset * height;
    }
    if (lastItem.position != mAdapter.getCount() - 1) {
        bottomBound = lastItem.offset * height;
    }

    if (scrollY < topBound) {
        scrollY = topBound;
    } else if (scrollY > bottomBound) {
        scrollY = bottomBound;
    }
    // Don't lose the rounded component
    mLastMotionY += scrollY - (int) scrollY;
    // BrantApps Changed: Was scrollTo((int) scrollX, getScrollY());
    scrollTo(getScrollX(), (int) scrollY);
    pageScrolled((int) scrollY);

    // Synthesize an event for the VelocityTracker.
    final long time = SystemClock.uptimeMillis();
    // BrantApps Change: Was final MotionEvent ev = MotionEvent.obtain(mFakeDragBeginTime, time, MotionEvent.ACTION_MOVE, mLastMotionX, 0, 0);
    final MotionEvent ev = MotionEvent.obtain(mFakeDragBeginTime, time, MotionEvent.ACTION_MOVE, 0,
            mLastMotionY, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
}

From source file:android.support.designox.widget.CoordinatorLayout.java

/**
 * Reset all Behavior-related tracking records either to clean up or in preparation
 * for a new event stream. This should be called when attached or detached from a window,
 * in response to an UP or CANCEL event, when intercept is request-disallowed
 * and similar cases where an event stream in progress will be aborted.
 *///from  w  w  w.ja  va  2s.c  om
private void resetTouchBehaviors() {
    if (mBehaviorTouchView != null) {
        final Behavior b = ((LayoutParams) mBehaviorTouchView.getLayoutParams()).getBehavior();
        if (b != null) {
            final long now = SystemClock.uptimeMillis();
            final MotionEvent cancelEvent = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0.0f, 0.0f,
                    0);
            b.onTouchEvent(this, mBehaviorTouchView, cancelEvent);
            cancelEvent.recycle();
        }
        mBehaviorTouchView = null;
    }

    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        final LayoutParams lp = (LayoutParams) child.getLayoutParams();
        lp.resetTouchBehaviorTracking();
    }
}

From source file:com.isapp.android.circularviewpager.CircularViewPager.java

/**
 * Fake drag by an offset in pixels. You must have called {@link #beginFakeDrag()} first.
 *
 * @param xOffset Offset in pixels to drag by.
 * @see #beginFakeDrag()//from  ww  w.  ja v a  2  s .  c  o  m
 * @see #endFakeDrag()
 */
public void fakeDragBy(float xOffset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }
    mLastMotionX += xOffset;
    float oldScrollX = getScrollX();
    float scrollX = oldScrollX - xOffset;
    final int width = getClientWidth();
    float leftBound = width * mFirstOffset;
    float rightBound = width * mLastOffset;
    final ItemInfo firstItem = mItems.get(0);
    final ItemInfo lastItem = mItems.get(mItems.size() - 1);
    if (firstItem.position != 0) {
        leftBound = firstItem.offset * width;
    }
    if (lastItem.position != mAdapter.getCount() - 1) {
        rightBound = lastItem.offset * width;
    }
    if (scrollX < leftBound) {
        scrollX = leftBound;
    } else if (scrollX > rightBound) {
        scrollX = rightBound;
    }
    // Don't lose the rounded component
    mLastMotionX += scrollX - (int) scrollX;
    scrollTo((int) scrollX, getScrollY());
    pageScrolled((int) scrollX);
    // Synthesize an event for the VelocityTracker.
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(mFakeDragBeginTime, time, MotionEvent.ACTION_MOVE, mLastMotionX,
            0, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
}

From source file:android.support.custom.view.VerticalViewPager.java

/**
 * Fake drag by an offset in pixels. You must have called {@link #beginFakeDrag()} first.
 *
 * @param xOffset Offset in pixels to drag by.
 * @see #beginFakeDrag()/* ww  w.  ja  va 2 s.c o  m*/
 * @see #endFakeDrag()
 */
//    public void fakeDragBy(float xOffset) {
public void fakeDragBy(float yOffset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    mLastMotionY += yOffset;

    float oldScrollY = getScrollY();
    float scrollY = oldScrollY - yOffset;
    final int height = getHeight();

    float topBound = height * mFirstOffset;
    float bottomBound = height * mLastOffset;

    final ItemInfo firstItem = mItems.get(0);
    final ItemInfo lastItem = mItems.get(mItems.size() - 1);
    if (firstItem.position != 0) {
        topBound = firstItem.offset * height;
    }
    if (lastItem.position != mAdapter.getCount() - 1) {
        bottomBound = lastItem.offset * height;
    }

    if (scrollY < topBound) {
        scrollY = topBound;
    } else if (scrollY > bottomBound) {
        scrollY = bottomBound;
    }

    // Don't lose the rounded component
    mLastMotionY += scrollY - (int) scrollY;
    scrollTo(getScrollX(), (int) scrollY);
    pageScrolled((int) scrollY);

    // Synthesize an event for the VelocityTracker.
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(mFakeDragBeginTime, time, MotionEvent.ACTION_MOVE, 0,
            mLastMotionY, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
}

From source file:VerticalViewPager.java

/**
 * Start a fake drag of the pager.//from   w ww  .  j  a  v  a 2 s. c o  m
 *
 * <p>A fake drag can be useful if you want to synchronize the motion of the VerticalViewPager
 * with the touch scrolling of another view, while still letting the VerticalViewPager
 * control the snapping motion and fling behavior. (e.g. parallax-scrolling tabs.)
 * Call {@link #fakeDragBy(float)} to simulate the actual drag motion. Call
 * {@link #endFakeDrag()} to complete the fake drag and fling as necessary.
 *
 * <p>During a fake drag the VerticalViewPager will ignore all touch events. If a real drag
 * is already in progress, this method will return false.
 *
 * @return true if the fake drag began successfully, false if it could not be started.
 *
 * @see #fakeDragBy(float)
 * @see #endFakeDrag()
 */
public boolean beginFakeDrag() {
    if (mIsBeingDragged) {
        return false;
    }
    mFakeDragging = true;
    setScrollState(SCROLL_STATE_DRAGGING);
    mInitialMotionY = mLastMotionY = 0;
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    } else {
        mVelocityTracker.clear();
    }
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(time, time, MotionEvent.ACTION_DOWN, 0, 0, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
    mFakeDragBeginTime = time;
    return true;
}

From source file:com.suning.boxcontroller.control.ExViewPager.java

/**
 * Start a fake drag of the pager./*from ww w  .  j  a v  a 2 s . c om*/
 *
 * <p>
 * A fake drag can be useful if you want to synchronize the motion of the ViewPager with the touch scrolling of
 * another view, while still letting the ViewPager control the snapping motion and fling behavior. (e.g.
 * parallax-scrolling tabs.) Call {@link #fakeDragBy(float)} to simulate the actual drag motion. Call
 * {@link #endFakeDrag()} to complete the fake drag and fling as necessary.
 *
 * <p>
 * During a fake drag the ViewPager will ignore all touch events. If a real drag is already in progress, this method
 * will return false.
 *
 * @return true if the fake drag began successfully, false if it could not be started.
 *
 * @see #fakeDragBy(float)
 * @see #endFakeDrag()
 */
public boolean beginFakeDrag() {
    if (mIsBeingDragged) {
        return false;
    }
    mFakeDragging = true;
    setScrollState(SCROLL_STATE_DRAGGING);
    mInitialMotionX = 0;
    mLastMotionX = 0;
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    } else {
        mVelocityTracker.clear();
    }
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(time, time, MotionEvent.ACTION_DOWN, 0, 0, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
    mFakeDragBeginTime = time;
    return true;
}

From source file:org.ohmage.widget.VerticalViewPager.java

/**
 * Fake drag by an offset in pixels. You must have called {@link #beginFakeDrag()} first.
 *
 * @param yOffset Offset in pixels to drag by.
 * @see #beginFakeDrag()/*from  w  w  w  . j ava  2s. c o m*/
 * @see #endFakeDrag()
 */
public void fakeDragBy(float yOffset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    mLastMotionY += yOffset;

    float oldScrollY = getScrollY();
    double scrollY = oldScrollY - yOffset;
    final int height = getHeight();

    double topBound = height * mFirstOffset;
    double bottomBound = height * mLastOffset;

    final ItemInfo firstItem = mItems.get(0);
    final ItemInfo lastItem = mItems.get(mItems.size() - 1);
    if (firstItem.position != 0) {
        topBound = firstItem.offset * height;
    }
    if (lastItem.position != mAdapter.getCount() - 1) {
        bottomBound = lastItem.offset * height;
    }

    if (scrollY < topBound) {
        scrollY = topBound;
    } else if (scrollY > bottomBound) {
        scrollY = bottomBound;
    }

    // Don't lose the rounded component
    mLastMotionY += scrollY - (int) scrollY;
    scrollTo(getScrollX(), (int) scrollY);
    pageScrolled((int) scrollY);

    // Synthesize an event for the VelocityTracker.
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(mFakeDragBeginTime, time, MotionEvent.ACTION_MOVE, 0,
            mLastMotionY, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
}

From source file:com.edgar.banner.LoopViewPager.java

/**
 * Start a fake drag of the pager.//from   ww  w. j  ava 2  s  .  c  om
 *
 * <p>A fake drag can be useful if you want to synchronize the motion of the ViewPager
 * with the touch scrolling of another view, while still letting the ViewPager
 * control the snapping motion and fling behavior. (e.g. parallax-scrolling tabs.)
 * Call {@link #fakeDragBy(float)} to simulate the actual drag motion. Call
 * {@link #endFakeDrag()} to complete the fake drag and fling as necessary.
 *
 * <p>During a fake drag the ViewPager will ignore all touch events. If a real drag
 * is already in progress, this method will return false.
 *
 * @return true if the fake drag began successfully, false if it could not be started.
 *
 * @see #fakeDragBy(float)
 * @see #endFakeDrag()
 */
public boolean beginFakeDrag() {
    if (mIsBeingDragged) {
        return false;
    }
    if (mVelocityTracker == null)
        return false;
    mFakeDragging = true;
    setScrollState(SCROLL_STATE_DRAGGING);
    mInitialMotionX = mLastMotionX = 0;
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    } else {
        mVelocityTracker.clear();
    }
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(time, time, MotionEvent.ACTION_DOWN, 0, 0, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
    mFakeDragBeginTime = time;
    return true;
}

From source file:VerticalViewPager.java

/**
 * Fake drag by an offset in pixels. You must have called {@link #beginFakeDrag()} first.
 *
 * @param xOffset Offset in pixels to drag by.
 * @see #beginFakeDrag()//from  w w  w  .  j a va  2 s.c o m
 * @see #endFakeDrag()
 */
public void fakeDragBy(float yOffset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    mLastMotionY += yOffset;

    float oldScrollY = getScrollY();
    float scrollY = oldScrollY - yOffset;
    final int height = getClientHeight();

    float topBound = height * mFirstOffset;
    float bottomBound = height * mLastOffset;

    final ItemInfo firstItem = mItems.get(0);
    final ItemInfo lastItem = mItems.get(mItems.size() - 1);
    if (firstItem.position != 0) {
        topBound = firstItem.offset * height;
    }
    if (lastItem.position != mAdapter.getCount() - 1) {
        bottomBound = lastItem.offset * height;
    }

    if (scrollY < topBound) {
        scrollY = topBound;
    } else if (scrollY > bottomBound) {
        scrollY = bottomBound;
    }

    // Don't lose the rounded component
    mLastMotionY += scrollY - (int) scrollY;
    scrollTo(getScrollX(), (int) scrollY);
    pageScrolled((int) scrollY);

    // Synthesize an event for the VelocityTracker.
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(mFakeDragBeginTime, time, MotionEvent.ACTION_MOVE, 0,
            mLastMotionY, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
}

From source file:com.stone.card.VerticalViewPager.java

/**
 * Fake drag by an offset in pixels. You must have called
 * {@link #beginFakeDrag()} first./*from ww  w.j  a  va 2 s . c  o  m*/
 * 
 * @param xOffset
 *            Offset in pixels to drag by.
 * @see #beginFakeDrag()
 * @see #endFakeDrag()
 */
// public void fakeDragBy(float xOffset) {
public void fakeDragBy(float yOffset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    mLastMotionY += yOffset;

    float oldScrollY = getScrollY();
    float scrollY = oldScrollY - yOffset;
    final int height = getHeight();

    float topBound = height * mFirstOffset;
    float bottomBound = height * mLastOffset;

    final ItemInfo firstItem = mItems.get(0);
    final ItemInfo lastItem = mItems.get(mItems.size() - 1);
    if (firstItem.position != 0) {
        topBound = firstItem.offset * height;
    }
    if (lastItem.position != mAdapter.getCount() - 1) {
        bottomBound = lastItem.offset * height;
    }

    if (scrollY < topBound) {
        scrollY = topBound;
    } else if (scrollY > bottomBound) {
        scrollY = bottomBound;
    }

    // Don't lose the rounded component
    mLastMotionY += scrollY - (int) scrollY;
    scrollTo(getScrollX(), (int) scrollY);
    pageScrolled((int) scrollY);

    // Synthesize an event for the VelocityTracker.
    final long time = SystemClock.uptimeMillis();
    final MotionEvent ev = MotionEvent.obtain(mFakeDragBeginTime, time, MotionEvent.ACTION_MOVE, 0,
            mLastMotionY, 0);
    mVelocityTracker.addMovement(ev);
    ev.recycle();
}