Example usage for android.animation ValueAnimator addUpdateListener

Introduction

In this page you can find the example usage for android.animation ValueAnimator addUpdateListener.

Prototype

public void addUpdateListener(AnimatorUpdateListener listener) 

Source Link

Document

Adds a listener to the set of listeners that are sent update events through the life of an animation.

Usage

From source file:com.arlib.floatingsearchview.FloatingSearchView.java

private void fadeInBackground() {

    ValueAnimator anim = ValueAnimator.ofInt(BACKGROUND_DRAWABLE_ALPHA_SEARCH_INACTIVE,
            BACKGROUND_DRAWABLE_ALPHA_SEARCH_ACTIVE);
    anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override/*from  www.  j  a  v  a 2s  .  c  o m*/
        public void onAnimationUpdate(ValueAnimator animation) {

            int value = (Integer) animation.getAnimatedValue();
            mBackgroundDrawable.setAlpha(value);
        }
    });
    anim.setDuration(BACKGROUND_FADE__ANIM_DURATION);
    anim.start();
}

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From source file:com.jinzht.pro.swipelistview.SwipeListViewTouchListener.java

/**
 * Perform dismiss action/*w  w w  .  j av a 2  s . com*/
 *
 * @param dismissView     View
 * @param dismissPosition Position of list
 */
protected void performDismiss(final View dismissView, final int dismissPosition, boolean doPendingDismiss) {
    enableDisableViewGroup((ViewGroup) dismissView, false);
    final ViewGroup.LayoutParams lp = dismissView.getLayoutParams();
    final int originalHeight = dismissView.getHeight();

    ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(animationTime);

    if (doPendingDismiss) {
        animator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                --dismissAnimationRefCount;
                if (dismissAnimationRefCount == 0) {
                    removePendingDismisses(originalHeight);
                }
            }
        });
    }

    animator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            enableDisableViewGroup((ViewGroup) dismissView, true);
        }
    });

    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            lp.height = (Integer) valueAnimator.getAnimatedValue();
            dismissView.setLayoutParams(lp);
        }
    });

    pendingDismisses.add(new PendingDismissData(dismissPosition, dismissView));
    animator.start();
}

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From source file:edu.uark.spARK.SwipeDismissListViewTouchListener.java

private void performDismiss(final View dismissView, final int dismissPosition) {
    // Animate the dismissed list item to zero-height and fire the dismiss callback when
    // all dismissed list item animations have completed. This triggers layout on each animation
    // frame; in the future we may want to do something smarter and more performant.

    final ViewGroup.LayoutParams lp = dismissView.getLayoutParams();
    final int originalHeight = dismissView.getHeight();

    ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(mAnimationTime);

    animator.addListener(new AnimatorListenerAdapter() {
        @Override/*  w ww. ja  v a  2s . c  om*/
        public void onAnimationEnd(Animator animation) {
            --mDismissAnimationRefCount;
            if (mDismissAnimationRefCount == 0) {
                // No active animations, process all pending dismisses.
                // Sort by descending position
                Collections.sort(mPendingDismisses);

                int[] dismissPositions = new int[mPendingDismisses.size()];
                for (int i = mPendingDismisses.size() - 1; i >= 0; i--) {
                    dismissPositions[i] = mPendingDismisses.get(i).position;
                }
                mCallbacks.onDismiss(mListView, dismissPositions);

                ViewGroup.LayoutParams lp;
                for (PendingDismissData pendingDismiss : mPendingDismisses) {
                    // Reset view presentation
                    pendingDismiss.view.setAlpha(1f);
                    pendingDismiss.view.setTranslationX(0);
                    lp = pendingDismiss.view.getLayoutParams();
                    lp.height = originalHeight;
                    pendingDismiss.view.setLayoutParams(lp);
                }

                mPendingDismisses.clear();
            }
        }
    });

    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            lp.height = (Integer) valueAnimator.getAnimatedValue();
            dismissView.setLayoutParams(lp);
        }
    });

    mPendingDismisses.add(new PendingDismissData(dismissPosition, dismissView));
    animator.start();
}

---

From source file:com.arlib.floatingsearchview.FloatingSearchView.java

private void openMenuDrawable(final DrawerArrowDrawable drawerArrowDrawable, boolean withAnim) {
    if (withAnim) {
        ValueAnimator anim = ValueAnimator.ofFloat(0.0f, 1.0f);
        anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override// w  w w . j a v  a2  s  .c  o  m
            public void onAnimationUpdate(ValueAnimator animation) {

                float value = (Float) animation.getAnimatedValue();
                drawerArrowDrawable.setProgress(value);
            }
        });
        anim.setDuration(MENU_ICON_ANIM_DURATION);
        anim.start();
    } else {
        drawerArrowDrawable.setProgress(1.0f);
    }
}

---

From source file:com.arlib.floatingsearchview.FloatingSearchView.java

private void closeMenuDrawable(final DrawerArrowDrawable drawerArrowDrawable, boolean withAnim) {
    if (withAnim) {
        ValueAnimator anim = ValueAnimator.ofFloat(1.0f, 0.0f);
        anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override/*from w ww .j  a v  a  2s .  com*/
            public void onAnimationUpdate(ValueAnimator animation) {

                float value = (Float) animation.getAnimatedValue();
                drawerArrowDrawable.setProgress(value);
            }
        });
        anim.setDuration(MENU_ICON_ANIM_DURATION);
        anim.start();
    } else {
        drawerArrowDrawable.setProgress(0.0f);
    }
}

---

From source file:com.heinrichreimersoftware.materialintro.app.IntroActivity.java

private void smoothScrollPagerTo(final int position) {
    if (miPager.isFakeDragging())
        return;/*from  www  . ja  va  2 s.co m*/

    ValueAnimator animator = ValueAnimator.ofFloat(miPager.getCurrentItem(), position);
    animator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            if (miPager.isFakeDragging())
                miPager.endFakeDrag();
            miPager.setCurrentItem(position);
        }

        @Override
        public void onAnimationCancel(Animator animation) {
            if (miPager.isFakeDragging())
                miPager.endFakeDrag();
        }
    });
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            float position = (Float) animation.getAnimatedValue();

            fakeDragToPosition(position);
        }

        private boolean fakeDragToPosition(float position) {
            // The following mimics the underlying calculations in ViewPager
            float scrollX = miPager.getScrollX();
            int pagerWidth = miPager.getWidth();
            int currentPosition = miPager.getCurrentItem();

            if (position > currentPosition && Math.floor(position) != currentPosition && position % 1 != 0) {
                miPager.setCurrentItem((int) Math.floor(position), false);
            } else if (position < currentPosition && Math.ceil(position) != currentPosition
                    && position % 1 != 0) {
                miPager.setCurrentItem((int) Math.ceil(position), false);
            }

            if (!miPager.isFakeDragging() && !miPager.beginFakeDrag())
                return false;

            miPager.fakeDragBy(scrollX - pagerWidth * position);
            return true;
        }
    });

    int distance = Math.abs(position - miPager.getCurrentItem());

    animator.setInterpolator(pageScrollInterpolator);
    animator.setDuration(calculateScrollDuration(distance));
    animator.start();
}

---

From source file:com.arlib.floatingsearchview.FloatingSearchView.java

private void fadeOutBackground() {
    ValueAnimator anim = ValueAnimator.ofInt(BACKGROUND_DRAWABLE_ALPHA_SEARCH_FOCUSED,
            BACKGROUND_DRAWABLE_ALPHA_SEARCH_NOT_FOCUSED);
    anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override/*from ww  w  .j  a  va 2 s.com*/
        public void onAnimationUpdate(ValueAnimator animation) {

            int value = (Integer) animation.getAnimatedValue();
            mBackgroundDrawable.setAlpha(value);
        }
    });
    anim.setDuration(BACKGROUND_FADE_ANIM_DURATION);
    anim.start();
}

---

From source file:com.arlib.floatingsearchview.FloatingSearchView.java

private void fadeInBackground() {
    ValueAnimator anim = ValueAnimator.ofInt(BACKGROUND_DRAWABLE_ALPHA_SEARCH_NOT_FOCUSED,
            BACKGROUND_DRAWABLE_ALPHA_SEARCH_FOCUSED);
    anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override/*from w w w .  jav  a  2  s. c o  m*/
        public void onAnimationUpdate(ValueAnimator animation) {

            int value = (Integer) animation.getAnimatedValue();
            mBackgroundDrawable.setAlpha(value);
        }
    });
    anim.setDuration(BACKGROUND_FADE_ANIM_DURATION);
    anim.start();
}

---

From source file:es.ugr.swad.swadroid.gui.SwipeListViewTouchListener.java

private void performSwipeAction(final View swipeView, final int swipePosition, boolean toTheRight,
        boolean dismiss) {
    // Animate the dismissed list item to zero-height and fire the dismiss callback when
    // all dismissed list item animations have completed. This triggers layout on each animation
    // frame; in the future we may want to do something smarter and more performant.

    final ViewGroup.LayoutParams lp = swipeView.getLayoutParams();
    final int originalHeight = swipeView.getHeight();
    final boolean swipeRight = toTheRight;

    ValueAnimator animator;
    if (dismiss)//from  w w  w  .j  a  va  2s  .  co  m
        animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(mAnimationTime);
    else
        animator = ValueAnimator.ofInt(originalHeight, originalHeight - 1).setDuration(mAnimationTime);

    animator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            --mDismissAnimationRefCount;
            if (mDismissAnimationRefCount == 0) {
                // No active animations, process all pending dismisses.
                // Sort by descending position
                Collections.sort(mPendingSwipes);

                int[] swipePositions = new int[mPendingSwipes.size()];
                for (int i = mPendingSwipes.size() - 1; i >= 0; i--) {
                    swipePositions[i] = mPendingSwipes.get(i).position;
                }
                if (swipeRight)
                    mCallback.onSwipeRight(mListView, swipePositions);
                else
                    mCallback.onSwipeLeft(mListView, swipePositions);

                ViewGroup.LayoutParams lp;
                for (PendingSwipeData pendingDismiss : mPendingSwipes) {
                    // Reset view presentation
                    pendingDismiss.view.setAlpha(1f);
                    pendingDismiss.view.setTranslationX(0);
                    lp = pendingDismiss.view.getLayoutParams();
                    lp.height = originalHeight;
                    pendingDismiss.view.setLayoutParams(lp);
                }

                mPendingSwipes.clear();
            }
        }
    });

    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            lp.height = (Integer) valueAnimator.getAnimatedValue();
            swipeView.setLayoutParams(lp);
        }
    });

    mPendingSwipes.add(new PendingSwipeData(swipePosition, swipeView));
    animator.start();
}

---

From source file:com.me.harris.androidanimations._06_touch.swipelistview.SwipeListViewTouchListener.java

/**
 * Perform dismiss action//ww w  .  java2 s . c om
 * @param dismissView View
 * @param dismissPosition Position of list
 */
private void performDismiss(final View dismissView, final int dismissPosition) {
    final ViewGroup.LayoutParams lp = dismissView.getLayoutParams();
    final int originalHeight = dismissView.getHeight();

    ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(animationTime);

    animator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            --dismissAnimationRefCount;
            if (dismissAnimationRefCount == 0) {
                // No active animations, process all pending dismisses.
                // Sort by descending position
                Collections.sort(pendingDismisses);

                int[] dismissPositions = new int[pendingDismisses.size()];
                for (int i = pendingDismisses.size() - 1; i >= 0; i--) {
                    dismissPositions[i] = pendingDismisses.get(i).position;
                }
                swipeListView.onDismiss(dismissPositions);

                ViewGroup.LayoutParams lp;
                for (PendingDismissData pendingDismiss : pendingDismisses) {
                    // Reset view presentation
                    ViewCompat.setAlpha(pendingDismiss.view, 1f);
                    ViewCompat.setTranslationX(pendingDismiss.view, 0);
                    lp = pendingDismiss.view.getLayoutParams();
                    lp.height = originalHeight;
                    pendingDismiss.view.setLayoutParams(lp);
                }

                pendingDismisses.clear();
            }
        }
    });

    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            lp.height = (Integer) valueAnimator.getAnimatedValue();
            dismissView.setLayoutParams(lp);
        }
    });

    pendingDismisses.add(new PendingDismissData(dismissPosition, dismissView));
    animator.start();
}

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