Example usage for android.view.animation AccelerateDecelerateInterpolator AccelerateDecelerateInterpolator

Introduction

In this page you can find the example usage for android.view.animation AccelerateDecelerateInterpolator AccelerateDecelerateInterpolator.

Prototype

public AccelerateDecelerateInterpolator()

Source Link

Usage

From source file:com.android.soma.Launcher.java

/**
 * Zoom the camera back into the workspace, hiding 'fromView'.
 * This is the opposite of showAppsCustomizeHelper.
 * @param animated If true, the transition will be animated.
 *//*from   w ww  . j  a v  a 2 s .com*/
private void hideAppsCustomizeHelper(Workspace.State toState, final boolean animated,
        final boolean springLoaded, final Runnable onCompleteRunnable) {

    if (mStateAnimation != null) {
        mStateAnimation.setDuration(0);
        mStateAnimation.cancel();
        mStateAnimation = null;
    }
    Resources res = getResources();

    final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime);
    final int fadeOutDuration = res.getInteger(R.integer.config_appsCustomizeFadeOutTime);
    final float scaleFactor = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor);
    final View fromView = mAppsCustomizeTabHost;
    final View toView = mWorkspace;
    Animator workspaceAnim = null;
    if (toState == Workspace.State.NORMAL) {
        int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger);
        workspaceAnim = mWorkspace.getChangeStateAnimation(toState, animated, stagger, -1);
    } else if (toState == Workspace.State.SPRING_LOADED || toState == Workspace.State.OVERVIEW) {
        workspaceAnim = mWorkspace.getChangeStateAnimation(toState, animated);
    }

    setPivotsForZoom(fromView, scaleFactor);
    showHotseat(animated);
    if (animated) {
        final LauncherViewPropertyAnimator scaleAnim = new LauncherViewPropertyAnimator(fromView);
        scaleAnim.scaleX(scaleFactor).scaleY(scaleFactor).setDuration(duration)
                .setInterpolator(new Workspace.ZoomInInterpolator());

        final ObjectAnimator alphaAnim = LauncherAnimUtils.ofFloat(fromView, "alpha", 1f, 0f)
                .setDuration(fadeOutDuration);
        alphaAnim.setInterpolator(new AccelerateDecelerateInterpolator());
        alphaAnim.addUpdateListener(new AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                float t = 1f - (Float) animation.getAnimatedValue();
                dispatchOnLauncherTransitionStep(fromView, t);
                dispatchOnLauncherTransitionStep(toView, t);
            }
        });

        mStateAnimation = LauncherAnimUtils.createAnimatorSet();

        dispatchOnLauncherTransitionPrepare(fromView, animated, true);
        dispatchOnLauncherTransitionPrepare(toView, animated, true);
        mAppsCustomizeContent.pauseScrolling();

        mStateAnimation.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                fromView.setVisibility(View.GONE);
                dispatchOnLauncherTransitionEnd(fromView, animated, true);
                dispatchOnLauncherTransitionEnd(toView, animated, true);
                if (onCompleteRunnable != null) {
                    onCompleteRunnable.run();
                }
                mAppsCustomizeContent.updateCurrentPageScroll();
                mAppsCustomizeContent.resumeScrolling();
            }
        });

        mStateAnimation.playTogether(scaleAnim, alphaAnim);
        if (workspaceAnim != null) {
            mStateAnimation.play(workspaceAnim);
        }
        dispatchOnLauncherTransitionStart(fromView, animated, true);
        dispatchOnLauncherTransitionStart(toView, animated, true);
        LauncherAnimUtils.startAnimationAfterNextDraw(mStateAnimation, toView);
    } else {
        fromView.setVisibility(View.GONE);
        dispatchOnLauncherTransitionPrepare(fromView, animated, true);
        dispatchOnLauncherTransitionStart(fromView, animated, true);
        dispatchOnLauncherTransitionEnd(fromView, animated, true);
        dispatchOnLauncherTransitionPrepare(toView, animated, true);
        dispatchOnLauncherTransitionStart(toView, animated, true);
        dispatchOnLauncherTransitionEnd(toView, animated, true);
    }
}

From source file:org.telegram.ui.PassportActivity.java

public void setPage(int page, boolean animated, Bundle params) {
    if (page == 3) {
        doneItem.setVisibility(View.GONE);
    }//from   ww  w . ja v a2  s .co m
    final SlideView outView = views[currentViewNum];
    final SlideView newView = views[page];
    currentViewNum = page;

    newView.setParams(params, false);
    newView.onShow();

    if (animated) {
        newView.setTranslationX(AndroidUtilities.displaySize.x);
        AnimatorSet animatorSet = new AnimatorSet();
        animatorSet.setInterpolator(new AccelerateDecelerateInterpolator());
        animatorSet.setDuration(300);
        animatorSet.playTogether(
                ObjectAnimator.ofFloat(outView, "translationX", -AndroidUtilities.displaySize.x),
                ObjectAnimator.ofFloat(newView, "translationX", 0));
        animatorSet.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationStart(Animator animation) {
                newView.setVisibility(View.VISIBLE);
            }

            @Override
            public void onAnimationEnd(Animator animation) {
                outView.setVisibility(View.GONE);
                outView.setX(0);
            }
        });
        animatorSet.start();
    } else {
        newView.setTranslationX(0);
        newView.setVisibility(View.VISIBLE);
        if (outView != newView) {
            outView.setVisibility(View.GONE);
        }
    }
}