Example usage 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.av.remusic.widget.RoundViewPager.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  . j  ava2s .c  o m
 * @see #endFakeDrag()
 */
public void fakeDragBy(float xOffset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    if (mAdapter == null) {
        return;
    }

    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:com.telerik.examples.primitives.ExampleViewPagerBase.java

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

    mLastMotionX += offset;

    float oldScroll = getScroll(this);
    float scroll = oldScroll - offset;
    final int clientLength = getClientLength();

    float leftBound = clientLength * mFirstOffset;
    float rightBound = clientLength * mLastOffset;

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

    if (scroll < leftBound) {
        scroll = leftBound;
    } else if (scroll > rightBound) {
        scroll = rightBound;
    }
    // Don't lose the rounded component
    mLastMotionX = mLastMotionX + (scroll - (int) scroll);
    if (this.orientation == LinearLayout.HORIZONTAL) {
        scrollTo((int) scroll, getInvertedScroll(this));
    } else {
        scrollTo(getInvertedScroll(this), (int) scroll);
    }
    pageScrolled((int) scroll);

    // 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:cn.androidy.materialdesignsample.ryanharterviewpager.ViewPager.java

/**
 * Start a fake drag of the pager.//  ww w  . j a va 2  s  .  co m
 *
 * <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);
    if (isOrientationHorizontal()) {
        mInitialMotionX = mLastMotionX = 0;
    } else {
        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:android.support.design.widget.CoordinatorLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    MotionEvent cancelEvent = null;

    final int action = MotionEventCompat.getActionMasked(ev);

    // Make sure we reset in case we had missed a previous important event.
    if (action == MotionEvent.ACTION_DOWN) {
        resetTouchBehaviors();/*  w ww  .  jav  a  2 s. com*/
    }

    final boolean intercepted = performIntercept(ev, TYPE_ON_INTERCEPT);

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

    if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
        resetTouchBehaviors();
    }

    return intercepted;
}

---

From source file:com.tjych.swip.vertical.DirectionalViewPager.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 .  j  a v a 2s. c o m
 * @see #endFakeDrag()
 */
public void fakeDragBy(float offset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    if (mOrientation == HORIZONTAL) {
        mLastMotionX += offset;
    } else {
        mLastMotionY += offset;
    }

    float oldScrollCoord = getScrollCoord();
    float scrollCoord = oldScrollCoord - offset;
    final int dimension = getClientDimension();

    float startBound = dimension * mFirstOffset;
    float endBound = dimension * mLastOffset;

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

    if (scrollCoord < startBound) {
        scrollCoord = startBound;
    } else if (scrollCoord > endBound) {
        scrollCoord = endBound;
    }
    // Don't lose the rounded component
    if (mOrientation == HORIZONTAL) {
        mLastMotionX += scrollCoord - (int) scrollCoord;
        scrollTo((int) scrollCoord, getScrollY());
    } else {
        mLastMotionY += scrollCoord - (int) scrollCoord;
        scrollTo(getScrollX(), (int) scrollCoord);
    }

    pageScrolled((int) scrollCoord);

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

---

From source file:com.viewpagerindicator.MyDirectionalViewPager.java

/**
 * Start a fake drag of the pager.//from  www .j ava2 s . c o m
 *
 * <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);
    if (mOrientation == HORIZONTAL) {
        mInitialMotionX = mLastMotionX = 0;
    } else {
        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:android.improving.utils.views.cardsview.OrientedViewPager.java

/**
 * Start a fake drag of the pager.//www.  j  a  v  a  2 s.co m
 * <p/>
 * <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/>
 * <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);
    if (mOrientation == Orientation.VERTICAL) {
        mInitialMotionY = mLastMotionY = 0;
    } else {
        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:cn.androidy.materialdesignsample.ryanharterviewpager.ViewPager.java

/**
 * Fake drag by an offset in pixels. You must have called {@link #beginFakeDrag()} first.
 *
 * @param offset Offset in pixels to drag by.
 * @see #beginFakeDrag()/* ww w.  j  a v a2s.c o m*/
 * @see #endFakeDrag()
 */
public void fakeDragBy(float offset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    if (isOrientationHorizontal()) {
        mLastMotionX += offset;

        float oldScrollX = getScrollX();
        float scrollX = oldScrollX - offset;
        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();
    } else {
        mLastMotionY += offset;

        float oldScrollY = getScrollY();
        float scrollY = oldScrollY - offset;
        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:android.improving.utils.views.cardsview.OrientedViewPager.java

/**
 * Fake drag by an offset in pixels. You must have called {@link #beginFakeDrag()} first.
 *
 * @param offset Offset in pixels to drag by.
 * @see #beginFakeDrag()/*  w  w  w  .  jav a2s . c o  m*/
 * @see #endFakeDrag()
 */
public void fakeDragBy(float offset) {
    if (!mFakeDragging) {
        throw new IllegalStateException("No fake drag in progress. Call beginFakeDrag first.");
    }

    if (mOrientation == Orientation.VERTICAL) {
        mLastMotionY += offset;

        float oldScrollY = getScrollY();
        float scrollY = oldScrollY - offset;
        final int height = getClientSize();

        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();
    } else {
        mLastMotionX += offset;

        float oldScrollX = getScrollX();
        float scrollX = oldScrollX - offset;
        final int width = getClientSize();

        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:dev.dworks.libs.widget.ViewPager.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 . j av a  2s.  c  om*/
 * @see #endFakeDrag()
 */
public void fakeDragByHorizontally(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());
    pageScrolledX((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();
}

---

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