Java View.animate方法代码示例

import android.view.View; //导入方法依赖的package包/类
/**
 * Animates a tab to be swiped horizontally.
 *
 * @param tabItem
 *         The tab item, which corresponds to the tab, which should be swiped, as an instance of
 *         the class {@link TabItem}. The tab item may not be null
 * @param targetPosition
 *         The position on the x-axis, the tab should be moved to, in pixels as a {@link Float}
 *         value
 * @param selected
 *         True, if the tab should become the selected one, false otherwise
 * @param animationDuration
 *         The duration of the animation in milliseconds as a {@link Long} value
 * @param velocity
 *         The velocity of the drag gesture, which caused the tab to be swiped, in pixels per
 *         second as a {@link Float} value
 */
private void animateSwipe(@NonNull final TabItem tabItem, final float targetPosition,
                          final boolean selected, final long animationDuration,
                          final float velocity) {
    View view = tabItem.getView();
    float currentPosition = getArithmetics().getPosition(Axis.X_AXIS, tabItem);
    float distance = Math.abs(targetPosition - currentPosition);
    float maxDistance = getArithmetics().getSize(Axis.X_AXIS, tabItem) + swipedTabDistance;
    long duration = velocity > 0 ? Math.round((distance / velocity) * 1000) :
            Math.round(animationDuration * (distance / maxDistance));
    ViewPropertyAnimator animation = view.animate();
    animation.setListener(new AnimationListenerWrapper(
            selected ? createSwipeSelectedTabAnimationListener(tabItem) :
                    createSwipeNeighborAnimationListener(tabItem)));
    animation.setInterpolator(new AccelerateDecelerateInterpolator());
    animation.setDuration(duration);
    animation.setStartDelay(0);
    getArithmetics().animatePosition(Axis.X_AXIS, animation, tabItem, targetPosition, true);
    animation.start();
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 */
@Override
void hideProgressBar(SearchView searchView) {
	final CircularProgressBar progressBar = searchView.mProgressBar;
	final ViewPropertyAnimator progressBarAnimator = progressBar.animate();
	progressBarAnimator.setListener(null);
	progressBarAnimator.cancel();
	progressBarAnimator
			.alpha(0.0f)
			.setDuration(UiConfig.ANIMATION_DURATION_SHORT)
			.setListener(new AnimatorListenerAdapter() {
				@Override
				public void onAnimationEnd(Animator animation) {
					progressBar.setVisibility(View.INVISIBLE);
				}
			})
			.start();
	final View icon = searchView.mButtonIcon;
	final ViewPropertyAnimator iconAnimator = icon.animate();
	iconAnimator.setListener(null);
	iconAnimator.cancel();
	icon.setVisibility(View.VISIBLE);
	icon.setScaleX(0.5f);
	icon.setScaleY(0.5f);
	icon.setAlpha(0.0f);
	iconAnimator
			.scaleX(1.0f)
			.scaleY(1.0f)
			.alpha(1.0f)
			.setDuration(UiConfig.ANIMATION_DURATION_SHORT)
			.setInterpolator(iconInterpolator)
			.setListener(null)
			.start();
}
 

import android.view.View; //导入方法依赖的package包/类
public static void listItemUpAnim(View view, int position,
                                  AnimatorListenerAdapter animatorListenerAdapter) {
    view.setTranslationY(150);
    view.setAlpha(0.f);
    ViewPropertyAnimator animate = view.animate();
    animate.translationY(0).alpha(1.f)
            .setStartDelay(20 * (position))
            .setInterpolator(new DecelerateInterpolator(2.f))
            .setDuration(400);

    if (animatorListenerAdapter != null) {
        animate.setListener(animatorListenerAdapter);
    }

    animate.withLayer().start();
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Starts a reveal animation to add a specific tab.
 *
 * @param tabItem
 *         The tab item, which corresponds to the tab, which should be added, as an instance of
 *         the class {@link TabItem}. The tab item may not be null
 * @param revealAnimation
 *         The reveal animation, which should be started, as an instance of the class {@link
 *         RevealAnimation}. The reveal animation may not be null
 */
private void animateReveal(@NonNull final TabItem tabItem,
                           @NonNull final RevealAnimation revealAnimation) {
    tabViewBottomMargin = -1;
    recyclerAdapter.clearCachedPreviews();
    dragHandler.setCallback(null);
    View view = tabItem.getView();
    ViewPropertyAnimator animation = view.animate();
    animation.setInterpolator(
            revealAnimation.getInterpolator() != null ? revealAnimation.getInterpolator() :
                    new AccelerateDecelerateInterpolator());
    animation.setListener(new AnimationListenerWrapper(createHideSwitcherAnimationListener()));
    animation.setStartDelay(0);
    animation.setDuration(revealAnimation.getDuration() != -1 ? revealAnimation.getDuration() :
            revealAnimationDuration);
    getArithmetics().animateScale(Axis.DRAGGING_AXIS, animation, 1);
    getArithmetics().animateScale(Axis.ORTHOGONAL_AXIS, animation, 1);
    animation.start();
    animateToolbarVisibility(getModel().areToolbarsShown() && getModel().isEmpty(), 0);
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Starts a reveal animation to add a specific tab.
 *
 * @param item
 *         The item, which corresponds to the tab, which should be added, as an instance of the
 *         class {@link AbstractItem}. The item may not be null
 * @param revealAnimation
 *         The reveal animation, which should be started, as an instance of the class {@link
 *         RevealAnimation}. The reveal animation may not be null
 */
private void animateReveal(@NonNull final AbstractItem item,
                           @NonNull final RevealAnimation revealAnimation) {
    tabViewBottomMargin = -1;
    tabRecyclerAdapter.clearCachedPreviews();
    dragHandler.setCallback(null);
    View view = item.getView();
    ViewPropertyAnimator animation = view.animate();
    animation.setInterpolator(
            revealAnimation.getInterpolator() != null ? revealAnimation.getInterpolator() :
                    new AccelerateDecelerateInterpolator());
    animation.setListener(new AnimationListenerWrapper(createHideSwitcherAnimationListener()));
    animation.setStartDelay(0);
    animation.setDuration(revealAnimation.getDuration() != -1 ? revealAnimation.getDuration() :
            revealAnimationDuration);
    getArithmetics().animateScale(Axis.DRAGGING_AXIS, animation, 1);
    getArithmetics().animateScale(Axis.ORTHOGONAL_AXIS, animation, 1);
    animation.start();
    animateToolbarVisibility(getModel().areToolbarsShown() && getModel().isEmpty(), 0);
}
 

import android.view.View; //导入方法依赖的package包/类
public static void startAnimators(final View view, int startOffsetX, int startOffsetY, long delay) {
    if (view.getVisibility() == View.VISIBLE && view.getAlpha() != 0f) {
        view.clearAnimation();
        view.animate().cancel();
        final Resources res = view.getResources();
        final float endAlpha = view.getAlpha();
        final float endTranslateX = view.getTranslationX();
        final float endTranslateY = view.getTranslationY();
        view.setAlpha(0);
        final Animator fade = ObjectAnimator.ofFloat(view, View.ALPHA, endAlpha);
        fade.setDuration(res.getInteger(R.integer.material_in_fade_anim_duration));
        fade.setInterpolator(new AccelerateInterpolator());
        fade.setStartDelay(delay);
        fade.start();
        ViewPropertyAnimator slide = view.animate();
        if (startOffsetY != 0) {
            view.setTranslationY(startOffsetY);
            slide.translationY(endTranslateY);
        } else {
            view.setTranslationX(startOffsetX);
            slide.translationX(endTranslateX);
        }
        slide.setInterpolator(new DecelerateInterpolator(2));
        slide.setDuration(res.getInteger(R.integer.material_in_slide_anim_duration));
        slide.setStartDelay(delay);
        slide.setListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationCancel(Animator animation) {
                if (fade.isStarted()) {
                    fade.cancel();
                }
                view.setAlpha(endAlpha);
                view.setTranslationX(endTranslateX);
                view.setTranslationY(endTranslateY);
            }
        });
        slide.start();
    }
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Animates to rotation of all tabs to be reset to normal.
 *
 * @param interpolator
 *         The interpolator, which should be used by the animation, as an instance of the type
 *         {@link Interpolator}. The interpolator may not be null
 * @param maxAngle
 *         The angle, the tabs may be rotated by at maximum, in degrees as a {@link Float}
 *         value
 * @param listener
 *         The listener, which should be notified about the animation's progress, as an instance
 *         of the type {@link AnimatorListener} or null, if no listener should be notified
 * @return True, if at least one tab was animated, false otherwise
 */
private boolean animateTilt(@NonNull final Interpolator interpolator, final float maxAngle,
                            @Nullable final AnimatorListener listener) {
    TabItemIterator iterator =
            new TabItemIterator.Builder(getTabSwitcher(), viewRecycler).reverse(true).create();
    TabItem tabItem;
    boolean result = false;

    while ((tabItem = iterator.next()) != null) {
        if (tabItem.isInflated()) {
            View view = tabItem.getView();

            if (getArithmetics().getRotation(Axis.ORTHOGONAL_AXIS, view) != 0) {
                ViewPropertyAnimator animation = view.animate();
                animation.setListener(new AnimationListenerWrapper(
                        createRevertOvershootAnimationListener(view,
                                !result ? listener : null)));
                animation.setDuration(Math.round(revertOvershootAnimationDuration *
                        (Math.abs(getArithmetics().getRotation(Axis.ORTHOGONAL_AXIS, view)) /
                                maxAngle)));
                animation.setInterpolator(interpolator);
                getArithmetics().animateRotation(Axis.ORTHOGONAL_AXIS, animation, 0);
                animation.setStartDelay(0);
                animation.start();
                result = true;
            }
        }
    }

    return result;
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Animating the sides of the row, For example animating the user profile image and the message date.
 * */
private void animateSides(View view, boolean fromLeft, Animation.AnimationListener animationListener){
    if (!isScrolling)
        return;

    if (fromLeft)
        view.setAnimation(AnimationUtils.loadAnimation(mActivity, R.anim.expand_slide_form_left));
    else view.setAnimation(AnimationUtils.loadAnimation(mActivity, R.anim.expand_slide_form_right));

    view.getAnimation().setAnimationListener(animationListener);
    view.animate();
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 *  Animating the center part of the row, For example the image in an image message or the text in text message.
 * */
private void animateContent(View view, Animation.AnimationListener animationListener, boolean showFull){
    if (!isScrolling)
        return;

    view.setAnimation(AnimationUtils.loadAnimation(mActivity, showFull ? R.anim.fade_in_expand : R.anim.fade_in_half_and_expand));
    view.getAnimation().setAnimationListener(animationListener);
    view.animate();
}
 

import android.view.View; //导入方法依赖的package包/类
private void buildAndStartAnimation(View view) {
    ViewPropertyAnimator propertyAnimator = view.animate();
    propertyAnimator.alpha(0);
    propertyAnimator.scaleX(0).scaleY(0);
    propertyAnimator.setDuration(500l);
    propertyAnimator.setInterpolator(new LinearInterpolator());
    propertyAnimator.start();

}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Animates the position and size of a specific tab in order to hide the tab switcher.
 *
 * @param item
 *         The item, which corresponds to the tab, which should be animated, as an instance of
 *         the class {@link AbstractItem}. The item may not be null
 * @param duration
 *         The duration of the animation in milliseconds as a {@link Long} value
 * @param interpolator
 *         The interpolator, which should be used by the animation, as an instance of the class
 *         {@link Interpolator}. The interpolator may not be null
 * @param delay
 *         The delay of the animation in milliseconds as a {@link Long} value
 * @param listener
 *         The listener, which should be notified about the animation's progress, as an instance
 *         of the type {@link AnimatorListener} or null, if no listener should be notified
 */
private void animateHideSwitcher(@NonNull final AbstractItem item, final long duration,
                                 @NonNull final Interpolator interpolator, final long delay,
                                 @Nullable final AnimatorListener listener) {
    View view = item.getView();
    animateBottomMargin(view, -(tabInset + tabBorderWidth), duration, delay);
    ViewPropertyAnimator animation = view.animate();
    animation.setDuration(duration);
    animation.setInterpolator(interpolator);
    animation.setListener(new AnimationListenerWrapper(listener));
    getArithmetics().animateScale(Axis.DRAGGING_AXIS, animation, 1);
    getArithmetics().animateScale(Axis.ORTHOGONAL_AXIS, animation, 1);
    FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) view.getLayoutParams();
    getArithmetics().animatePosition(Axis.ORTHOGONAL_AXIS, animation, item,
            getTabSwitcher().getLayout() == Layout.PHONE_LANDSCAPE ? layoutParams.topMargin :
                    0);
    int selectedTabIndex = getModel().getSelectedTabIndex();

    if (item.getIndex() < selectedTabIndex) {
        getArithmetics().animatePosition(Axis.DRAGGING_AXIS, animation, item,
                getArithmetics().getTabContainerSize(Axis.DRAGGING_AXIS));
    } else if (item.getIndex() > selectedTabIndex) {
        getArithmetics().animatePosition(Axis.DRAGGING_AXIS, animation, item,
                getTabSwitcher().getLayout() == Layout.PHONE_LANDSCAPE ? 0 :
                        layoutParams.topMargin);
    } else {
        getArithmetics().animatePosition(Axis.DRAGGING_AXIS, animation, item,
                getTabSwitcher().getLayout() == Layout.PHONE_LANDSCAPE ? 0 :
                        layoutParams.topMargin);
    }

    animation.setStartDelay(delay);
    animation.start();
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Starts a peek animation to add a specific tab.
 *
 * @param tabItem
 *         The tab item, which corresponds to the tab, which should be added, as an instance of
 *         the class {@link TabItem}. The tab item may not be null
 * @param duration
 *         The duration of the animation in milliseconds as a {@link Long} value
 * @param interpolator
 *         The interpolator, which should be used by the animation, as an instance of the type
 *         {@link Interpolator}. The interpolator may not be null
 * @param peekPosition
 *         The position on the dragging axis, the tab should be moved to, in pixels as a {@link
 *         Float} value
 * @param peekAnimation
 *         The peek animation, which has been used to add the tab, as an instance of the class
 *         {@link PeekAnimation}. The peek animation may not be null
 */
private void animatePeek(@NonNull final TabItem tabItem, final long duration,
                         @NonNull final Interpolator interpolator, final float peekPosition,
                         @NonNull final PeekAnimation peekAnimation) {
    PhoneTabViewHolder viewHolder = tabItem.getViewHolder();
    viewHolder.closeButton.setVisibility(View.GONE);
    View view = tabItem.getView();
    float x = peekAnimation.getX();
    float y = peekAnimation.getY() + tabTitleContainerHeight;
    FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) view.getLayoutParams();
    view.setAlpha(1f);
    getArithmetics().setPivot(Axis.X_AXIS, view, x);
    getArithmetics().setPivot(Axis.Y_AXIS, view, y);
    view.setX(layoutParams.leftMargin);
    view.setY(layoutParams.topMargin);
    getArithmetics().setScale(Axis.DRAGGING_AXIS, view, 0);
    getArithmetics().setScale(Axis.ORTHOGONAL_AXIS, view, 0);
    ViewPropertyAnimator animation = view.animate();
    animation.setInterpolator(interpolator);
    animation.setListener(
            new AnimationListenerWrapper(createPeekAnimationListener(tabItem, peekAnimation)));
    animation.setStartDelay(0);
    animation.setDuration(duration);
    getArithmetics().animateScale(Axis.DRAGGING_AXIS, animation, 1);
    getArithmetics().animateScale(Axis.ORTHOGONAL_AXIS, animation, 1);
    getArithmetics().animatePosition(Axis.DRAGGING_AXIS, animation, view, peekPosition, true);
    animation.start();
    int selectedTabIndex = getModel().getSelectedTabIndex();
    TabItem selectedTabItem = TabItem.create(getModel(), viewRecycler, selectedTabIndex);
    viewRecycler.inflate(selectedTabItem);
    selectedTabItem.getTag().setPosition(0);
    PhoneTabViewHolder selectedTabViewHolder = selectedTabItem.getViewHolder();
    selectedTabViewHolder.closeButton.setVisibility(View.GONE);
    animateShowSwitcher(selectedTabItem, duration, interpolator,
            createZoomOutAnimationListener(selectedTabItem, peekAnimation));
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Animates to rotation of all tabs to be reset to normal.
 *
 * @param interpolator
 *         The interpolator, which should be used by the animation, as an instance of the type
 *         {@link Interpolator}. The interpolator may not be null
 * @param maxAngle
 *         The angle, the tabs may be rotated by at maximum, in degrees as a {@link Float}
 *         value
 * @param listener
 *         The listener, which should be notified about the animation's progress, as an instance
 *         of the type {@link AnimatorListener} or null, if no listener should be notified
 * @return True, if at least one tab was animated, false otherwise
 */
private boolean animateTilt(@NonNull final Interpolator interpolator, final float maxAngle,
                            @Nullable final AnimatorListener listener) {
    ItemIterator iterator =
            new ItemIterator.Builder(getTabSwitcher(), tabViewRecycler).reverse(true).create();
    AbstractItem item;
    boolean result = false;

    while ((item = iterator.next()) != null) {
        if (item.isInflated() &&
                getArithmetics().getRotation(Axis.ORTHOGONAL_AXIS, item) != 0) {
            View view = item.getView();
            ViewPropertyAnimator animation = view.animate();
            animation.setListener(new AnimationListenerWrapper(
                    createRevertOvershootAnimationListener(item, !result ? listener : null)));
            animation.setDuration(Math.round(revertOvershootAnimationDuration *
                    (Math.abs(getArithmetics().getRotation(Axis.ORTHOGONAL_AXIS, item)) /
                            maxAngle)));
            animation.setInterpolator(interpolator);
            getArithmetics().animateRotation(Axis.ORTHOGONAL_AXIS, animation, 0);
            animation.setStartDelay(0);
            animation.start();
            result = true;
        }
    }

    return result;
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Animates the position and size of a specific tab item in order to hide the tab switcher.
 *
 * @param tabItem
 *         The tab item, which should be animated, as an instance of the class {@link TabItem}.
 *         The tab item may not be null
 * @param duration
 *         The duration of the animation in milliseconds as a {@link Long} value
 * @param interpolator
 *         The interpolator, which should be used by the animation, as an instance of the class
 *         {@link Interpolator}. The interpolator may not be null
 * @param delay
 *         The delay of the animation in milliseconds as a {@link Long} value
 * @param listener
 *         The listener, which should be notified about the animation's progress, as an instance
 *         of the type {@link AnimatorListener} or null, if no listener should be notified
 */
private void animateHideSwitcher(@NonNull final TabItem tabItem, final long duration,
                                 @NonNull final Interpolator interpolator, final long delay,
                                 @Nullable final AnimatorListener listener) {
    View view = tabItem.getView();
    animateBottomMargin(view, -(tabInset + tabBorderWidth), duration, delay);
    ViewPropertyAnimator animation = view.animate();
    animation.setDuration(duration);
    animation.setInterpolator(interpolator);
    animation.setListener(new AnimationListenerWrapper(listener));
    getArithmetics().animateScale(Axis.DRAGGING_AXIS, animation, 1);
    getArithmetics().animateScale(Axis.ORTHOGONAL_AXIS, animation, 1);
    FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) view.getLayoutParams();
    getArithmetics().animatePosition(Axis.ORTHOGONAL_AXIS, animation, view,
            getTabSwitcher().getLayout() == Layout.PHONE_LANDSCAPE ? layoutParams.topMargin : 0,
            false);
    int selectedTabIndex = getModel().getSelectedTabIndex();

    if (tabItem.getIndex() < selectedTabIndex) {
        getArithmetics().animatePosition(Axis.DRAGGING_AXIS, animation, view,
                getArithmetics().getTabContainerSize(Axis.DRAGGING_AXIS), false);
    } else if (tabItem.getIndex() > selectedTabIndex) {
        getArithmetics().animatePosition(Axis.DRAGGING_AXIS, animation, view,
                getTabSwitcher().getLayout() == Layout.PHONE_LANDSCAPE ? 0 :
                        layoutParams.topMargin, false);
    } else {
        getArithmetics().animatePosition(Axis.DRAGGING_AXIS, animation, view,
                getTabSwitcher().getLayout() == Layout.PHONE_LANDSCAPE ? 0 :
                        layoutParams.topMargin, false);
    }

    animation.setStartDelay(delay);
    animation.start();
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Creates and returns an animation listener, which allows to hide a tab, which has been added
 * by using a peek animation, when the animation has been ended.
 *
 * @param item
 *         The item, which corresponds to the tab, which has been added by using the peek
 *         animation, as an instance of the class {@link AbstractItem}. The item may not be
 *         null
 * @param peekAnimation
 *         The peek animation as an instance of the class {@link PeekAnimation}. The peek
 *         animation may not be null
 * @return The listener, which has been created, as an instance of the type {@link
 * AnimatorListener}. The listener may not be null
 */
@NonNull
private AnimatorListener createPeekAnimationListener(@NonNull final AbstractItem item,
                                                     @NonNull final PeekAnimation peekAnimation) {
    return new AnimatorListenerAdapter() {

        @Override
        public void onAnimationEnd(final Animator animation) {
            super.onAnimationEnd(animation);
            long totalDuration =
                    peekAnimation.getDuration() != -1 ? peekAnimation.getDuration() :
                            peekAnimationDuration;
            long duration = totalDuration / 3;
            Interpolator interpolator =
                    peekAnimation.getInterpolator() != null ? peekAnimation.getInterpolator() :
                            new AccelerateDecelerateInterpolator();
            View view = item.getView();
            getArithmetics().setPivot(Axis.DRAGGING_AXIS, item, tabTitleContainerHeight);
            getArithmetics().setPivot(Axis.ORTHOGONAL_AXIS, item,
                    getArithmetics().getSize(Axis.ORTHOGONAL_AXIS, item) / 2f);
            ViewPropertyAnimator animator = view.animate();
            animator.setDuration(duration);
            animator.setStartDelay(duration);
            animator.setInterpolator(interpolator);
            animator.setListener(
                    new AnimationListenerWrapper(createRevertPeekAnimationListener(item)));
            animator.alpha(0);
            getArithmetics().animatePosition(Axis.DRAGGING_AXIS, animator, item,
                    getArithmetics().getPosition(Axis.DRAGGING_AXIS, item) * 1.5f);
            getArithmetics().animateScale(Axis.DRAGGING_AXIS, animator, 0);
            getArithmetics().animateScale(Axis.ORTHOGONAL_AXIS, animator, 0);
            animator.start();
        }

    };
}