Example usage for android.animation ObjectAnimator addUpdateListener

Introduction

In this page you can find the example usage for android.animation ObjectAnimator 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.android.soma.Launcher.java

private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded,
        final AppsCustomizePagedView.ContentType contentType) {
    if (mStateAnimation != null) {
        mStateAnimation.setDuration(0);/*w w w.  j a v  a 2s . co  m*/
        mStateAnimation.cancel();
        mStateAnimation = null;
    }
    final Resources res = getResources();

    final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime);
    final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime);
    final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor);
    final View fromView = mWorkspace;
    final AppsCustomizeTabHost toView = mAppsCustomizeTabHost;
    final int startDelay = res.getInteger(R.integer.config_workspaceAppsCustomizeAnimationStagger);

    setPivotsForZoom(toView, scale);

    // Shrink workspaces away if going to AppsCustomize from workspace
    Animator workspaceAnim = mWorkspace.getChangeStateAnimation(Workspace.State.SMALL, animated);
    if (!AppsCustomizePagedView.DISABLE_ALL_APPS) {
        // Set the content type for the all apps space
        mAppsCustomizeTabHost.setContentTypeImmediate(contentType);
    }

    if (animated) {
        toView.setScaleX(scale);
        toView.setScaleY(scale);
        final LauncherViewPropertyAnimator scaleAnim = new LauncherViewPropertyAnimator(toView);
        scaleAnim.scaleX(1f).scaleY(1f).setDuration(duration)
                .setInterpolator(new Workspace.ZoomOutInterpolator());

        toView.setVisibility(View.VISIBLE);
        toView.setAlpha(0f);
        final ObjectAnimator alphaAnim = LauncherAnimUtils.ofFloat(toView, "alpha", 0f, 1f)
                .setDuration(fadeDuration);
        alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f));
        alphaAnim.addUpdateListener(new AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                if (animation == null) {
                    throw new RuntimeException("animation is null");
                }
                float t = (Float) animation.getAnimatedValue();
                dispatchOnLauncherTransitionStep(fromView, t);
                dispatchOnLauncherTransitionStep(toView, t);
            }
        });

        // toView should appear right at the end of the workspace shrink
        // animation
        mStateAnimation = LauncherAnimUtils.createAnimatorSet();
        mStateAnimation.play(scaleAnim).after(startDelay);
        mStateAnimation.play(alphaAnim).after(startDelay);

        mStateAnimation.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationStart(Animator animation) {
                // Prepare the position
                toView.setTranslationX(0.0f);
                toView.setTranslationY(0.0f);
                toView.setVisibility(View.VISIBLE);
                toView.bringToFront();
            }

            @Override
            public void onAnimationEnd(Animator animation) {
                dispatchOnLauncherTransitionEnd(fromView, animated, false);
                dispatchOnLauncherTransitionEnd(toView, animated, false);

                // Hide the search bar
                if (mSearchDropTargetBar != null) {
                    mSearchDropTargetBar.hideSearchBar(false);
                }
            }
        });

        if (workspaceAnim != null) {
            mStateAnimation.play(workspaceAnim);
        }

        boolean delayAnim = false;

        dispatchOnLauncherTransitionPrepare(fromView, animated, false);
        dispatchOnLauncherTransitionPrepare(toView, animated, false);

        // If any of the objects being animated haven't been measured/laid out
        // yet, delay the animation until we get a layout pass
        if ((((LauncherTransitionable) toView).getContent().getMeasuredWidth() == 0)
                || (mWorkspace.getMeasuredWidth() == 0) || (toView.getMeasuredWidth() == 0)) {
            delayAnim = true;
        }

        final AnimatorSet stateAnimation = mStateAnimation;
        final Runnable startAnimRunnable = new Runnable() {
            public void run() {
                // Check that mStateAnimation hasn't changed while
                // we waited for a layout/draw pass
                if (mStateAnimation != stateAnimation)
                    return;
                setPivotsForZoom(toView, scale);
                dispatchOnLauncherTransitionStart(fromView, animated, false);
                dispatchOnLauncherTransitionStart(toView, animated, false);
                LauncherAnimUtils.startAnimationAfterNextDraw(mStateAnimation, toView);
            }
        };
        if (delayAnim) {
            final ViewTreeObserver observer = toView.getViewTreeObserver();
            observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
                public void onGlobalLayout() {
                    startAnimRunnable.run();
                    toView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
                }
            });
        } else {
            startAnimRunnable.run();
        }
    } else {
        toView.setTranslationX(0.0f);
        toView.setTranslationY(0.0f);
        toView.setScaleX(1.0f);
        toView.setScaleY(1.0f);
        toView.setVisibility(View.VISIBLE);
        toView.bringToFront();

        if (!springLoaded && !LauncherAppState.getInstance().isScreenLarge()) {
            // Hide the search bar
            if (mSearchDropTargetBar != null) {
                mSearchDropTargetBar.hideSearchBar(false);
            }
        }
        dispatchOnLauncherTransitionPrepare(fromView, animated, false);
        dispatchOnLauncherTransitionStart(fromView, animated, false);
        dispatchOnLauncherTransitionEnd(fromView, animated, false);
        dispatchOnLauncherTransitionPrepare(toView, animated, false);
        dispatchOnLauncherTransitionStart(toView, animated, false);
        dispatchOnLauncherTransitionEnd(toView, animated, false);
    }
}