Example usage for android.view MotionEvent offsetLocation

Introduction

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

Prototype

public final void offsetLocation(float deltaX, float deltaY) 

Source Link

Document

Adjust this event's location.

Usage

From source file:com.github.takahirom.webview_in_coodinator_layout.NestedWebView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    boolean returnValue = false;

    MotionEvent event = MotionEvent.obtain(ev);
    final int action = MotionEventCompat.getActionMasked(event);
    if (action == MotionEvent.ACTION_DOWN) {
        mNestedOffsetY = 0;/*from   ww  w.j a va  2  s .co  m*/
    }
    int eventY = (int) event.getY();
    event.offsetLocation(0, mNestedOffsetY);
    switch (action) {
    case MotionEvent.ACTION_MOVE:
        int deltaY = mLastY - eventY;
        // NestedPreScroll
        if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) {
            deltaY -= mScrollConsumed[1];
            mLastY = eventY - mScrollOffset[1];
            event.offsetLocation(0, -mScrollOffset[1]);
            mNestedOffsetY += mScrollOffset[1];
        }
        returnValue = super.onTouchEvent(event);

        // NestedScroll
        if (dispatchNestedScroll(0, mScrollOffset[1], 0, deltaY, mScrollOffset)) {
            event.offsetLocation(0, mScrollOffset[1]);
            mNestedOffsetY += mScrollOffset[1];
            mLastY -= mScrollOffset[1];
        }
        break;
    case MotionEvent.ACTION_DOWN:
        returnValue = super.onTouchEvent(event);
        if (firstScroll) {
            // dispatching first down scrolling properly by making sure that first deltaY will be -ve
            mLastY = eventY - 5;
            firstScroll = false;
        } else {
            mLastY = eventY;
        }
        // start NestedScroll
        startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL);
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        returnValue = super.onTouchEvent(event);
        // end NestedScroll
        stopNestedScroll();
        break;
    }
    return returnValue;
}

---

From source file:com.geofbot.views.web.NestedWebView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    boolean returnValue = false;

    MotionEvent event = MotionEvent.obtain(ev);
    final int action = MotionEventCompat.getActionMasked(event);
    if (action == MotionEvent.ACTION_DOWN) {
        mNestedOffsetY = 0;/*from  w  w  w.ja  v a2s  .c o  m*/
    }
    int eventY = (int) event.getY();
    event.offsetLocation(0, mNestedOffsetY);
    switch (action) {
    case MotionEvent.ACTION_MOVE:
        int deltaY = mLastY - eventY;
        // NestedPreScroll
        if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) {
            deltaY -= mScrollConsumed[1];
            mLastY = eventY - mScrollOffset[1];
            event.offsetLocation(0, -mScrollOffset[1]);
            mNestedOffsetY += mScrollOffset[1];
        }
        returnValue = super.onTouchEvent(event);

        // NestedScroll
        if (dispatchNestedScroll(0, mScrollOffset[1], 0, deltaY, mScrollOffset)) {
            event.offsetLocation(0, mScrollOffset[1]);
            mNestedOffsetY += mScrollOffset[1];
            mLastY -= mScrollOffset[1];
        }
        break;
    case MotionEvent.ACTION_DOWN:
        returnValue = super.onTouchEvent(event);
        if (firstScroll) {
            // dispatching first down scrolling properly by making sure that first deltaY will be -ve
            mLastY = eventY - 5;
            firstScroll = false;
        } else {
            mLastY = eventY;
        }
        // start NestedScroll
        startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL);
        break;
    default:
        returnValue = super.onTouchEvent(event);
        // end NestedScroll
        stopNestedScroll();
        break;
    }
    return returnValue;
}

---

From source file:com.kerkr.edu.recycleView.SwipeToDismissTouchListener.java

@Override
public boolean onInterceptTouchEvent(final RecyclerView view, MotionEvent motionEvent) {
    if (mPaused)//  w w w  . j a va2  s.c  o  m
        return false;
    // offset because the view is translated during swipe
    motionEvent.offsetLocation(mTranslationX, 0);

    if (mViewWidth < 2) {
        mViewWidth = view.getWidth();
    }

    switch (motionEvent.getActionMasked()) {
    case MotionEvent.ACTION_DOWN: {
        return down(motionEvent);
    }
    case MotionEvent.ACTION_MOVE: {
        return move(motionEvent);

    }

    }
    return false;
}

---

From source file:adapters.PagerContainer.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    //We capture any touches not already handled by the ViewPager
    // to implement scrolling from a touch outside the pager bounds.
    switch (ev.getAction()) {
    case MotionEvent.ACTION_DOWN:
        mInitialTouch.x = (int) ev.getX();
        mInitialTouch.y = (int) ev.getY();
    default:/*from  w  ww. jav  a  2  s .c o  m*/
        ev.offsetLocation(mCenter.x - mInitialTouch.x, mCenter.y - mInitialTouch.y);
        break;
    }

    return mPager.dispatchTouchEvent(ev);
}

---

From source file:com.yanzhenjie.recyclerview.swipe.widget.StickyNestedScrollView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (redirectTouchesToStickyView) {
        ev.offsetLocation(0,
                ((getScrollY() + stickyViewTopOffset) - getTopForViewRelativeOnlyChild(currentlyStickingView)));
    }/*from  ww w  .  j  av  a  2s.  c o m*/
    if (ev.getAction() == MotionEvent.ACTION_DOWN) {
        hasNotDoneActionDown = false;
    }
    if (hasNotDoneActionDown) {
        MotionEvent down = MotionEvent.obtain(ev);
        down.setAction(MotionEvent.ACTION_DOWN);
        super.onTouchEvent(down);
        hasNotDoneActionDown = false;
    }
    if (ev.getAction() == MotionEvent.ACTION_UP || ev.getAction() == MotionEvent.ACTION_CANCEL) {
        hasNotDoneActionDown = true;
    }
    return super.onTouchEvent(ev);
}

---

From source file:com.techfiesta.stickyviewpager.view.PagerContainer.java

@SuppressLint("ClickableViewAccessibility")
@Override//from   w w w.j a  va2  s  .c  om
public boolean onTouchEvent(MotionEvent ev) {
    // We capture any touches not already handled by the ViewPager
    // to implement scrolling from a touch outside the pager bounds.
    switch (ev.getAction()) {
    case MotionEvent.ACTION_DOWN:
        mInitialTouch.x = (int) ev.getX();
        mInitialTouch.y = (int) ev.getY();
    default:
        ev.offsetLocation(mCenter.x - mInitialTouch.x, mCenter.y - mInitialTouch.y);
        break;
    }

    return mPager.dispatchTouchEvent(ev);
}

---

From source file:com.nononsenseapps.feeder.ui.SwipeDismissTouchListener.java

@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    // offset because the view is translated during swipe
    motionEvent.offsetLocation(mTranslationX, 0);

    if (mViewWidth < 2) {
        mViewWidth = mView.getWidth();/*from  w  w w . j  ava2 s .  c  om*/
    }

    switch (motionEvent.getActionMasked()) {
    case MotionEvent.ACTION_DOWN: {
        // TODO: ensure this is a finger, and set a flag
        mDownX = motionEvent.getRawX();
        mDownY = motionEvent.getRawY();
        if (mCallbacks.canDismiss(mToken)) {
            mVelocityTracker = VelocityTracker.obtain();
            mVelocityTracker.addMovement(motionEvent);
        }
        return false;
    }

    case MotionEvent.ACTION_UP: {
        if (mVelocityTracker == null) {
            break;
        }

        float deltaX = motionEvent.getRawX() - mDownX;
        mVelocityTracker.addMovement(motionEvent);
        mVelocityTracker.computeCurrentVelocity(1000);
        float velocityX = mVelocityTracker.getXVelocity();
        float absVelocityX = Math.abs(velocityX);
        float absVelocityY = Math.abs(mVelocityTracker.getYVelocity());
        boolean dismiss = false;
        boolean dismissRight = false;
        if (Math.abs(deltaX) > mViewWidth / 2 && mSwiping) {
            dismiss = true;
            dismissRight = deltaX > 0;
        } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity
                && absVelocityY < absVelocityX && absVelocityY < absVelocityX && mSwiping) {
            // dismiss only if flinging in the same direction as dragging
            dismiss = (velocityX < 0) == (deltaX < 0);
            dismissRight = mVelocityTracker.getXVelocity() > 0;
        }
        if (dismiss) {
            // dismiss
            mSwipingView.animate().translationX(dismissRight ? mViewWidth : -mViewWidth)
                    //.alpha(0)
                    .setDuration(mAnimationTime).setListener(new AnimatorListenerAdapter() {
                        @Override
                        public void onAnimationEnd(Animator animation) {
                            performDismiss();
                        }
                    });
        } else if (mSwiping) {
            // cancel
            mSwipingView.animate().translationX(0)
                    //.alpha(1)
                    .setDuration(mAnimationTime).setListener(new AnimatorListenerAdapter() {
                        @Override
                        public void onAnimationEnd(Animator animation) {
                            mCallbacks.onSwipeCancelled();
                        }
                    });
        }
        mVelocityTracker.recycle();
        mVelocityTracker = null;
        mTranslationX = 0;
        mDownX = 0;
        mDownY = 0;
        mSwiping = false;
        notNotifiedSwipeStart = true;
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        if (mVelocityTracker == null) {
            break;
        }

        mSwipingView.animate().translationX(0)
                //.alpha(1)
                .setDuration(mAnimationTime).setListener(new AnimatorListenerAdapter() {
                    @Override
                    public void onAnimationEnd(Animator animation) {
                        mCallbacks.onSwipeCancelled();
                    }
                });
        mVelocityTracker.recycle();
        mVelocityTracker = null;
        mTranslationX = 0;
        mDownX = 0;
        mDownY = 0;
        mSwiping = false;
        notNotifiedSwipeStart = true;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        if (mVelocityTracker == null) {
            break;
        }

        mVelocityTracker.addMovement(motionEvent);
        float deltaX = motionEvent.getRawX() - mDownX;
        float deltaY = motionEvent.getRawY() - mDownY;
        if (Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) {
            mSwiping = true;
            mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop);
            mView.getParent().requestDisallowInterceptTouchEvent(true);

            // Cancel listview's touch
            MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
            cancelEvent.setAction(MotionEvent.ACTION_CANCEL
                    | (motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
            mView.onTouchEvent(cancelEvent);
            cancelEvent.recycle();
        }

        if (mSwiping) {
            if (notNotifiedSwipeStart) {
                notNotifiedSwipeStart = false;
                mCallbacks.onSwipeStarted(deltaX > 0);
            }
            mTranslationX = deltaX;
            mSwipingView.setTranslationX(deltaX - mSwipingSlop);
            //mView.setAlpha(mInterpolator.getInterpolation(1f - 1f * Math.abs(deltaX) / mViewWidth));
            //                    mView.setAlpha(Math.max(0f, Math.min(1f,
            //                            1f - 2f * Math.abs(deltaX) / mViewWidth)));
            return true;
        }
        break;
    }
    }
    return false;
}

---

From source file:com.barchart.tester.pager.PagerContainer.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    // We capture any touches not already handled by the ViewPager
    // to implement scrolling from a touch outside the pager bounds.
    switch (ev.getAction()) {
    case MotionEvent.ACTION_DOWN:
        mInitialTouch.x = (int) ev.getX();
        mInitialTouch.y = (int) ev.getY();
    default://from   w  w  w  .j ava2s  . co  m
        ev.offsetLocation(mCenter.x - mInitialTouch.x, mCenter.y - mInitialTouch.y);
        break;
    }

    return mPager.dispatchTouchEvent(ev);
}

---

From source file:br.com.cybereagle.androidwidgets.view.PagerContainer.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    //We capture any touches not already handled by the ViewPager
    // to implement scrolling from a touch outside the pager bounds.
    switch (ev.getAction()) {
    case MotionEvent.ACTION_DOWN:
        initialTouch.x = (int) ev.getX();
        initialTouch.y = (int) ev.getY();
    default://from   w ww .  ja  v  a2s  .  c  o m
        ev.offsetLocation(center.x - initialTouch.x, center.y - initialTouch.y);
        break;
    }

    return pager.dispatchTouchEvent(ev);
}

---

From source file:akhil.alltrans.NestedScrollingMarkDownView.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    boolean result = false;

    MotionEvent trackedEvent = MotionEvent.obtain(event);

    final int action = MotionEventCompat.getActionMasked(event);

    if (action == MotionEvent.ACTION_DOWN) {
        mNestedYOffset = 0;//from   www.  j  a  va2 s. com
    }

    int y = (int) event.getY();

    event.offsetLocation(0, mNestedYOffset);

    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mLastMotionY = y;
        startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL);
        result = super.onTouchEvent(event);
        break;
    case MotionEvent.ACTION_MOVE:
        int deltaY = mLastMotionY - y;

        if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) {
            deltaY -= mScrollConsumed[1];
            trackedEvent.offsetLocation(0, mScrollOffset[1]);
            mNestedYOffset += mScrollOffset[1];
        }

        int oldY = getScrollY();
        mLastMotionY = y - mScrollOffset[1];
        if (deltaY < 0) {
            int newScrollY = Math.max(0, oldY + deltaY);
            deltaY -= newScrollY - oldY;
            if (dispatchNestedScroll(0, newScrollY - deltaY, 0, deltaY, mScrollOffset)) {
                mLastMotionY -= mScrollOffset[1];
                trackedEvent.offsetLocation(0, mScrollOffset[1]);
                mNestedYOffset += mScrollOffset[1];
            }
        }

        result = super.onTouchEvent(trackedEvent);
        trackedEvent.recycle();
        break;
    case MotionEvent.ACTION_POINTER_DOWN:
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        stopNestedScroll();
        result = super.onTouchEvent(event);
        break;
    }
    return result;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• »