Example usage for android.animation Animator addListener

List of usage examples for android.animation Animator addListener

Introduction

In this page you can find the example usage for android.animation Animator addListener.

Prototype

public void addListener(AnimatorListener listener) 

Source Link

Document

Adds a listener to the set of listeners that are sent events through the life of an animation, such as start, repeat, and end.

Usage

From source file:com.phonemetra.turbo.launcher.Workspace.java

Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage) {
    if (mState == state) {
        return null;
    }//w w w.ja  va  2  s.c  o  m

    // Initialize animation arrays for the first time if necessary
    initAnimationArrays();

    AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null;

    final State oldState = mState;
    final boolean oldStateIsNormal = (oldState == State.NORMAL);
    final boolean oldStateIsSpringLoaded = (oldState == State.SPRING_LOADED);
    final boolean oldStateIsSmall = (oldState == State.SMALL);
    final boolean oldStateIsOverview = (oldState == State.OVERVIEW);
    setState(state);
    final boolean stateIsNormal = (state == State.NORMAL);
    final boolean stateIsSpringLoaded = (state == State.SPRING_LOADED);
    final boolean stateIsSmall = (state == State.SMALL);
    final boolean stateIsOverview = (state == State.OVERVIEW);
    float finalBackgroundAlpha = (stateIsSpringLoaded || stateIsOverview) ? 1.0f : 0f;
    float finalBackgroundAlphaMultiplier = (stateIsSpringLoaded || stateIsOverview || mShowOutlines) ? 1.0f
            : 0f;
    float finalHotseatAndPageIndicatorAlpha = (stateIsOverview || stateIsSmall) ? 0f : 1f;
    float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f;
    float finalSearchBarAlpha = !stateIsNormal ? 0f : 1f;
    float finalWorkspaceTranslationY = stateIsOverview ? getOverviewModeTranslationY() : 0;

    boolean workspaceToAllApps = (oldStateIsNormal && stateIsSmall);
    boolean allAppsToWorkspace = (oldStateIsSmall && stateIsNormal);
    boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview);
    boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal);

    mNewScale = 1.0f;

    if (oldStateIsOverview) {
        disableFreeScroll();
    } else if (stateIsOverview) {
        updateFreescrollBounds();
    }

    if (state != State.NORMAL) {
        if (stateIsSpringLoaded) {
            mNewScale = mSpringLoadedShrinkFactor;
        } else if (stateIsOverview) {
            mNewScale = getOverviewModeScaleY();
        } else if (stateIsSmall) {
            mNewScale = mOverviewModeShrinkFactor - 0.3f;
        }
        if (workspaceToAllApps) {
            updateChildrenLayersEnabled(false);
        }
    }

    final int duration;
    if (workspaceToAllApps) {
        duration = getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
    } else if (workspaceToOverview || overviewToWorkspace) {
        duration = getResources().getInteger(R.integer.config_overviewTransitionTime);
    } else {
        duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime);
    }

    if (snapPage == -1) {
        snapPage = getPageNearestToCenterOfScreen();
    }
    snapToPage(snapPage, duration, mZoomInInterpolator);

    for (int i = 0; i < getChildCount(); i++) {
        final CellLayout cl = (CellLayout) getChildAt(i);
        boolean isCurrentPage = (i == snapPage);
        float initialAlpha = cl.getShortcutsAndWidgets().getAlpha();
        float finalAlpha;
        if (stateIsSmall) {
            finalAlpha = 0f;
        } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) {
            finalAlpha = (i == snapPage || i < numCustomPages()) ? 1f : 0f;
        } else {
            finalAlpha = 1f;
        }

        if (stateIsOverview) {
            cl.setVisibility(VISIBLE);
            cl.setTranslationX(0f);
            cl.setTranslationY(0f);
            cl.setPivotX(cl.getMeasuredWidth() * 0.5f);
            cl.setPivotY(cl.getMeasuredHeight() * 0.5f);
            cl.setRotation(0f);
            cl.setRotationY(0f);
            cl.setRotationX(0f);
            cl.setScaleX(1f);
            cl.setScaleY(1f);
            cl.setShortcutAndWidgetAlpha(1f);
        }

        // If we are animating to/from the small state, then hide the side pages and fade the
        // current page in
        if (!mIsSwitchingState) {
            if (workspaceToAllApps || allAppsToWorkspace) {
                if (allAppsToWorkspace && isCurrentPage) {
                    initialAlpha = 0f;
                } else if (!isCurrentPage) {
                    initialAlpha = finalAlpha = 0f;
                }
                cl.setShortcutAndWidgetAlpha(initialAlpha);
            }
        }

        mOldAlphas[i] = initialAlpha;
        mNewAlphas[i] = finalAlpha;
        if (animated) {
            mOldBackgroundAlphas[i] = cl.getBackgroundAlpha();
            mOldBackgroundAlphaMultipliers[i] = cl.getBackgroundAlphaMultiplier();
            mNewBackgroundAlphas[i] = finalBackgroundAlpha;
            mNewBackgroundAlphaMultipliers[i] = finalBackgroundAlphaMultiplier;
        } else {
            cl.setBackgroundAlpha(finalBackgroundAlpha);
            cl.setBackgroundAlphaMultiplier(finalBackgroundAlphaMultiplier);
            cl.setShortcutAndWidgetAlpha(finalAlpha);
        }
    }

    final View searchBar = mLauncher.getQsbBar();
    final View overviewPanel = mLauncher.getOverviewPanel();
    final View hotseat = mLauncher.getHotseat();
    final View pageIndicator = getPageIndicator();
    if (animated) {
        anim.setDuration(duration);
        LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
        scale.scaleX(mNewScale).scaleY(mNewScale).translationY(finalWorkspaceTranslationY)
                .setInterpolator(mZoomInInterpolator);
        anim.play(scale);
        for (int index = 0; index < getChildCount(); index++) {
            final int i = index;
            final CellLayout cl = (CellLayout) getChildAt(i);
            float currentAlpha = cl.getShortcutsAndWidgets().getAlpha();
            if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) {
                cl.setBackgroundAlpha(mNewBackgroundAlphas[i]);
                cl.setShortcutAndWidgetAlpha(mNewAlphas[i]);
            } else {
                if (mOldAlphas[i] != mNewAlphas[i] || currentAlpha != mNewAlphas[i]) {
                    LauncherViewPropertyAnimator alphaAnim = new LauncherViewPropertyAnimator(
                            cl.getShortcutsAndWidgets());
                    alphaAnim.alpha(mNewAlphas[i]).setInterpolator(mZoomInInterpolator);
                    anim.play(alphaAnim);
                }
                if (mOldBackgroundAlphas[i] != 0 || mNewBackgroundAlphas[i] != 0) {
                    ValueAnimator bgAnim = LauncherAnimUtils.ofFloat(cl, 0f, 1f);
                    bgAnim.setInterpolator(mZoomInInterpolator);
                    bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
                        public void onAnimationUpdate(float a, float b) {
                            cl.setBackgroundAlpha(a * mOldBackgroundAlphas[i] + b * mNewBackgroundAlphas[i]);
                            cl.setBackgroundAlphaMultiplier(a * mOldBackgroundAlphaMultipliers[i]
                                    + b * mNewBackgroundAlphaMultipliers[i]);
                        }
                    });
                    anim.play(bgAnim);
                }
            }
        }
        Animator pageIndicatorAlpha = null;
        if (pageIndicator != null) {
            pageIndicatorAlpha = new LauncherViewPropertyAnimator(pageIndicator)
                    .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
            pageIndicatorAlpha.addListener(new AlphaUpdateListener(pageIndicator));
        } else {
            // create a dummy animation so we don't need to do null checks later
            pageIndicatorAlpha = ValueAnimator.ofFloat(0, 0);
        }

        Animator hotseatAlpha = new LauncherViewPropertyAnimator(hotseat)
                .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
        hotseatAlpha.addListener(new AlphaUpdateListener(hotseat));

        Animator searchBarAlpha = new LauncherViewPropertyAnimator(searchBar).alpha(finalSearchBarAlpha)
                .withLayer();
        if (mShowSearchBar)
            searchBarAlpha.addListener(new AlphaUpdateListener(searchBar));

        Animator overviewPanelAlpha = new LauncherViewPropertyAnimator(overviewPanel)
                .alpha(finalOverviewPanelAlpha).withLayer();
        overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));

        if (workspaceToOverview) {
            pageIndicatorAlpha.setInterpolator(new DecelerateInterpolator(2));
            hotseatAlpha.setInterpolator(new DecelerateInterpolator(2));
            overviewPanelAlpha.setInterpolator(null);
        } else if (overviewToWorkspace) {
            pageIndicatorAlpha.setInterpolator(null);
            hotseatAlpha.setInterpolator(null);
            overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
        }
        searchBarAlpha.setInterpolator(null);

        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        Animation animation = AnimationUtils.loadAnimation(mLauncher, R.anim.drop_down);
        overviewPanel.startAnimation(animation);
        anim.play(hotseatAlpha);
        if (mShowSearchBar)
            anim.play(searchBarAlpha);
        anim.play(pageIndicatorAlpha);
        anim.setStartDelay(delay);
    } else {
        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        hotseat.setAlpha(finalHotseatAndPageIndicatorAlpha);
        AlphaUpdateListener.updateVisibility(hotseat);
        if (pageIndicator != null) {
            pageIndicator.setAlpha(finalHotseatAndPageIndicatorAlpha);
            AlphaUpdateListener.updateVisibility(pageIndicator);
        }
        if (mShowSearchBar) {
            searchBar.setAlpha(finalSearchBarAlpha);
            AlphaUpdateListener.updateVisibility(searchBar);
        }
        updateCustomContentVisibility();
        setScaleX(mNewScale);
        setScaleY(mNewScale);
        setTranslationY(finalWorkspaceTranslationY);
    }
    mLauncher.updateVoiceButtonProxyVisible(false);

    if (stateIsSpringLoaded) {
        // Right now we're covered by Apps Customize
        // Show the background gradient immediately, so the gradient will
        // be showing once AppsCustomize disappears
        animateBackgroundGradient(
                getResources().getInteger(R.integer.config_appsCustomizeSpringLoadedBgAlpha) / 100f, false);
    } else if (stateIsOverview) {
        animateBackgroundGradient(
                getResources().getInteger(R.integer.config_appsCustomizeSpringLoadedBgAlpha) / 100f, true);
    } else {
        // Fade the background gradient away
        animateBackgroundGradient(0f, animated);
    }
    return anim;
}

From source file:com.fairphone.fplauncher3.Workspace.java

Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage,
        ArrayList<View> layerViews) {
    if (mState == state) {
        return null;
    }/* ww w .  j  a v a2s  .c  om*/

    // Initialize animation arrays for the first time if necessary
    initAnimationArrays();

    AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null;

    final State oldState = mState;
    final boolean oldStateIsNormal = (oldState == State.NORMAL);
    final boolean oldStateIsOverview = (oldState == State.OVERVIEW);
    setState(state);
    final boolean stateIsNormal = (state == State.NORMAL);
    final boolean stateIsSpringLoaded = (state == State.SPRING_LOADED);
    final boolean stateIsNormalHidden = (state == State.NORMAL_HIDDEN);
    final boolean stateIsOverviewHidden = (state == State.OVERVIEW_HIDDEN);
    final boolean stateIsOverview = (state == State.OVERVIEW);
    float finalBackgroundAlpha = (stateIsSpringLoaded || stateIsOverview) ? 1.0f : 0f;
    float finalHotseatAndPageIndicatorAlpha = (stateIsNormal || stateIsSpringLoaded) ? 1f : 0f;
    float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f;
    final float finalWorkspaceTranslationY = stateIsOverview || stateIsOverviewHidden
            ? getOverviewModeTranslationY()
            : 0;

    boolean workspaceToAllApps = (oldStateIsNormal && stateIsNormalHidden);
    boolean overviewToAllApps = (oldStateIsOverview && stateIsOverviewHidden);
    boolean allAppsToWorkspace = (stateIsNormalHidden && stateIsNormal);
    boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview);
    boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal);

    mNewScale = 1.0f;

    if (oldStateIsOverview) {
        disableFreeScroll();
    } else if (stateIsOverview) {
        enableFreeScroll();
    }

    if (state != State.NORMAL) {
        if (stateIsSpringLoaded) {
            mNewScale = mSpringLoadedShrinkFactor;
        } else if (stateIsOverview || stateIsOverviewHidden) {
            mNewScale = mOverviewModeShrinkFactor;
        }
    }

    final int duration;
    if (workspaceToAllApps || overviewToAllApps) {
        duration = HIDE_WORKSPACE_DURATION; //getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
    } else if (workspaceToOverview || overviewToWorkspace) {
        duration = getResources().getInteger(R.integer.config_overviewTransitionTime);
    } else {
        duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime);
    }

    if (snapPage == -1) {
        snapPage = getPageNearestToCenterOfScreen();
    }
    snapToPage(snapPage, duration, mZoomInInterpolator);

    for (int i = 0; i < getChildCount(); i++) {
        final CellLayout cl = (CellLayout) getChildAt(i);
        boolean isCurrentPage = (i == snapPage);
        float initialAlpha = cl.getShortcutsAndWidgets().getAlpha();
        float finalAlpha;
        if (stateIsNormalHidden || stateIsOverviewHidden) {
            finalAlpha = 0f;
        } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) {
            finalAlpha = (i == snapPage || i < numCustomPages()) ? 1f : 0f;
        } else {
            finalAlpha = 1f;
        }

        // If we are animating to/from the small state, then hide the side pages and fade the
        // current page in
        if (!mIsSwitchingState) {
            if (workspaceToAllApps || allAppsToWorkspace) {
                if (allAppsToWorkspace && isCurrentPage) {
                    initialAlpha = 0f;
                } else if (!isCurrentPage) {
                    initialAlpha = finalAlpha = 0f;
                }
                cl.setShortcutAndWidgetAlpha(initialAlpha);
            }
        }

        mOldAlphas[i] = initialAlpha;
        mNewAlphas[i] = finalAlpha;
        if (animated) {
            mOldBackgroundAlphas[i] = cl.getBackgroundAlpha();
            mNewBackgroundAlphas[i] = finalBackgroundAlpha;
        } else {
            cl.setBackgroundAlpha(finalBackgroundAlpha);
            cl.setShortcutAndWidgetAlpha(finalAlpha);
        }
    }

    final View overviewPanel = mLauncher.getOverviewPanel();
    final View pageIndicator = getPageIndicator();
    if (animated) {
        LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
        scale.scaleX(mNewScale).scaleY(mNewScale).translationY(finalWorkspaceTranslationY).setDuration(duration)
                .setInterpolator(mZoomInInterpolator);
        scale.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                // in low power mode the animation doesn't play, so set the end value here
                setScaleX(mNewScale);
                setScaleY(mNewScale);
                setTranslationY(finalWorkspaceTranslationY);
            }
        });
        anim.play(scale);
        for (int index = 0; index < getChildCount(); index++) {
            final int i = index;
            final CellLayout cl = (CellLayout) getChildAt(i);
            float currentAlpha = cl.getShortcutsAndWidgets().getAlpha();
            if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) {
                cl.setBackgroundAlpha(mNewBackgroundAlphas[i]);
                cl.setShortcutAndWidgetAlpha(mNewAlphas[i]);
            } else {
                if (layerViews != null) {
                    layerViews.add(cl);
                }
                if (mOldAlphas[i] != mNewAlphas[i] || currentAlpha != mNewAlphas[i]) {
                    final View shortcutAndWidgets = cl.getShortcutsAndWidgets();
                    LauncherViewPropertyAnimator alphaAnim = new LauncherViewPropertyAnimator(
                            shortcutAndWidgets);
                    alphaAnim.alpha(mNewAlphas[i]).setDuration(duration).setInterpolator(mZoomInInterpolator);
                    alphaAnim.addListener(new AnimatorListenerAdapter() {
                        @Override
                        public void onAnimationEnd(Animator animation) {
                            // in low power mode the animation doesn't play,
                            // so set the end value here
                            shortcutAndWidgets.setAlpha(mNewAlphas[i]);
                        }
                    });
                    anim.play(alphaAnim);
                }
                if (mOldBackgroundAlphas[i] != 0 || mNewBackgroundAlphas[i] != 0) {
                    ValueAnimator bgAnim = LauncherAnimUtils.ofFloat(cl, 0f, 1f);
                    bgAnim.setInterpolator(mZoomInInterpolator);
                    bgAnim.setDuration(duration);
                    bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
                        public void onAnimationUpdate(float a, float b) {
                            cl.setBackgroundAlpha(a * mOldBackgroundAlphas[i] + b * mNewBackgroundAlphas[i]);
                        }
                    });
                    anim.play(bgAnim);
                }
            }
        }
        Animator pageIndicatorAlpha;
        if (pageIndicator != null) {
            pageIndicatorAlpha = new LauncherViewPropertyAnimator(pageIndicator)
                    .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
            pageIndicatorAlpha
                    .addListener(new AlphaUpdateListener(pageIndicator, finalHotseatAndPageIndicatorAlpha));
        } else {
            // create a dummy animation so we don't need to do null checks later
            pageIndicatorAlpha = ValueAnimator.ofFloat(0, 0);
        }

        Animator overviewPanelAlpha = new LauncherViewPropertyAnimator(overviewPanel)
                .alpha(finalOverviewPanelAlpha).withLayer();
        overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel, finalOverviewPanelAlpha));

        // For animation optimations, we may need to provide the Launcher transition
        // with a set of views on which to force build layers in certain scenarios.
        overviewPanel.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        if (layerViews != null) {
            layerViews.add(overviewPanel);
        }

        if (workspaceToOverview) {
            pageIndicatorAlpha.setInterpolator(new DecelerateInterpolator(2));
            overviewPanelAlpha.setInterpolator(null);
        } else if (overviewToWorkspace) {
            pageIndicatorAlpha.setInterpolator(null);
            overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
        }

        overviewPanelAlpha.setDuration(duration);
        pageIndicatorAlpha.setDuration(duration);

        anim.play(overviewPanelAlpha);
        anim.play(pageIndicatorAlpha);
        anim.setStartDelay(delay);
    } else {
        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        if (pageIndicator != null) {
            pageIndicator.setAlpha(finalHotseatAndPageIndicatorAlpha);
            AlphaUpdateListener.updateVisibility(pageIndicator);
        }
        updateCustomContentVisibility();
        setScaleX(mNewScale);
        setScaleY(mNewScale);
        setTranslationY(finalWorkspaceTranslationY);
    }

    if (stateIsNormal) {
        animateBackgroundGradient(0f, animated);
    } else {
        animateBackgroundGradient(getResources().getInteger(R.integer.config_workspaceScrimAlpha) / 100f,
                animated);
    }
    return anim;
}

From source file:com.android.launcher4.Workspace.java

Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage,
        ArrayList<View> layerViews) {
    if (mState == state) {
        return null;
    }//from  ww  w.  j  a va 2s  .  com

    // Initialize animation arrays for the first time if necessary
    initAnimationArrays();

    AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null;

    // We only want a single instance of a workspace animation to be running at once, so
    // we cancel any incomplete transition.
    if (mStateAnimator != null) {
        mStateAnimator.cancel();
    }
    mStateAnimator = anim;

    final State oldState = mState;
    final boolean oldStateIsNormal = (oldState == State.NORMAL);
    final boolean oldStateIsSpringLoaded = (oldState == State.SPRING_LOADED);
    final boolean oldStateIsNormalHidden = (oldState == State.NORMAL_HIDDEN);
    final boolean oldStateIsOverviewHidden = (oldState == State.OVERVIEW_HIDDEN);
    final boolean oldStateIsOverview = (oldState == State.OVERVIEW);
    setState(state);
    final boolean stateIsNormal = (state == State.NORMAL);
    final boolean stateIsSpringLoaded = (state == State.SPRING_LOADED);
    final boolean stateIsNormalHidden = (state == State.NORMAL_HIDDEN);
    final boolean stateIsOverviewHidden = (state == State.OVERVIEW_HIDDEN);
    final boolean stateIsOverview = (state == State.OVERVIEW);
    float finalBackgroundAlpha = (stateIsSpringLoaded || stateIsOverview) ? 1.0f : 0f;
    float finalHotseatAndPageIndicatorAlpha = (stateIsNormal || stateIsSpringLoaded) ? 1f : 0f;
    float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f;
    float finalSearchBarAlpha = !stateIsNormal ? 0f : 1f;
    float finalWorkspaceTranslationY = stateIsOverview || stateIsOverviewHidden ? getOverviewModeTranslationY()
            : 0;

    boolean workspaceToAllApps = (oldStateIsNormal && stateIsNormalHidden);
    boolean overviewToAllApps = (oldStateIsOverview && stateIsOverviewHidden);
    boolean allAppsToWorkspace = (stateIsNormalHidden && stateIsNormal);
    boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview);
    boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal);

    mNewScale = 1.0f;

    if (oldStateIsOverview) {
        disableFreeScroll();
    } else if (stateIsOverview) {
        enableFreeScroll();
    }

    if (state != State.NORMAL) {
        if (stateIsSpringLoaded) {
            mNewScale = mSpringLoadedShrinkFactor;
        } else if (stateIsOverview || stateIsOverviewHidden) {
            mNewScale = mOverviewModeShrinkFactor;
        }
    }

    final int duration;
    if (workspaceToAllApps || overviewToAllApps) {
        duration = HIDE_WORKSPACE_DURATION; //getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
    } else if (workspaceToOverview || overviewToWorkspace) {
        duration = getResources().getInteger(R.integer.config_overviewTransitionTime);
    } else {
        duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime);
    }

    if (snapPage == -1) {
        snapPage = getPageNearestToCenterOfScreen();
    }
    snapToPage(snapPage, duration, mZoomInInterpolator);

    for (int i = 0; i < getChildCount(); i++) {
        final CellLayout cl = (CellLayout) getChildAt(i);
        boolean isCurrentPage = (i == snapPage);
        float initialAlpha = cl.getShortcutsAndWidgets().getAlpha();
        float finalAlpha;
        if (stateIsNormalHidden || stateIsOverviewHidden) {
            finalAlpha = 0f;
        } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) {
            finalAlpha = (i == snapPage || i < numCustomPages()) ? 1f : 0f;
        } else {
            finalAlpha = 1f;
        }

        // If we are animating to/from the small state, then hide the side pages and fade the
        // current page in
        if (!mIsSwitchingState) {
            if (workspaceToAllApps || allAppsToWorkspace) {
                if (allAppsToWorkspace && isCurrentPage) {
                    initialAlpha = 0f;
                } else if (!isCurrentPage) {
                    initialAlpha = finalAlpha = 0f;
                }
                cl.setShortcutAndWidgetAlpha(initialAlpha);
            }
        }

        mOldAlphas[i] = initialAlpha;
        mNewAlphas[i] = finalAlpha;
        if (animated) {
            mOldBackgroundAlphas[i] = cl.getBackgroundAlpha();
            mNewBackgroundAlphas[i] = finalBackgroundAlpha;
        } else {
            cl.setBackgroundAlpha(finalBackgroundAlpha);
            cl.setShortcutAndWidgetAlpha(finalAlpha);
        }
    }

    final View searchBar = mLauncher.getQsbBar();
    final View overviewPanel = mLauncher.getOverviewPanel();
    final View hotseat = mLauncher.getHotseat();
    final View pageIndicator = getPageIndicator();
    if (animated) {
        LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
        scale.scaleX(mNewScale).scaleY(mNewScale).translationY(finalWorkspaceTranslationY).setDuration(duration)
                .setInterpolator(mZoomInInterpolator);
        anim.play(scale);
        for (int index = 0; index < getChildCount(); index++) {
            final int i = index;
            final CellLayout cl = (CellLayout) getChildAt(i);
            float currentAlpha = cl.getShortcutsAndWidgets().getAlpha();
            if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) {
                cl.setBackgroundAlpha(mNewBackgroundAlphas[i]);
                cl.setShortcutAndWidgetAlpha(mNewAlphas[i]);
            } else {
                if (layerViews != null) {
                    layerViews.add(cl);
                }
                if (mOldAlphas[i] != mNewAlphas[i] || currentAlpha != mNewAlphas[i]) {
                    LauncherViewPropertyAnimator alphaAnim = new LauncherViewPropertyAnimator(
                            cl.getShortcutsAndWidgets());
                    alphaAnim.alpha(mNewAlphas[i]).setDuration(duration).setInterpolator(mZoomInInterpolator);
                    anim.play(alphaAnim);
                }
                if (mOldBackgroundAlphas[i] != 0 || mNewBackgroundAlphas[i] != 0) {
                    ValueAnimator bgAnim = LauncherAnimUtils.ofFloat(cl, 0f, 1f);
                    bgAnim.setInterpolator(mZoomInInterpolator);
                    bgAnim.setDuration(duration);
                    bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
                        public void onAnimationUpdate(float a, float b) {
                            cl.setBackgroundAlpha(a * mOldBackgroundAlphas[i] + b * mNewBackgroundAlphas[i]);
                        }
                    });
                    anim.play(bgAnim);
                }
            }
        }
        Animator pageIndicatorAlpha = null;
        if (pageIndicator != null) {
            pageIndicatorAlpha = new LauncherViewPropertyAnimator(pageIndicator)
                    .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
            pageIndicatorAlpha.addListener(new AlphaUpdateListener(pageIndicator));
        } else {
            // create a dummy animation so we don't need to do null checks later
            pageIndicatorAlpha = ValueAnimator.ofFloat(0, 0);
        }

        Animator hotseatAlpha = new LauncherViewPropertyAnimator(hotseat)
                .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
        hotseatAlpha.addListener(new AlphaUpdateListener(hotseat));

        Animator overviewPanelAlpha = new LauncherViewPropertyAnimator(overviewPanel)
                .alpha(finalOverviewPanelAlpha).withLayer();
        overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));

        // For animation optimations, we may need to provide the Launcher transition
        // with a set of views on which to force build layers in certain scenarios.
        hotseat.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        overviewPanel.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        if (layerViews != null) {
            layerViews.add(hotseat);
            layerViews.add(overviewPanel);
        }

        if (workspaceToOverview) {
            pageIndicatorAlpha.setInterpolator(new DecelerateInterpolator(2));
            hotseatAlpha.setInterpolator(new DecelerateInterpolator(2));
            overviewPanelAlpha.setInterpolator(null);
        } else if (overviewToWorkspace) {
            pageIndicatorAlpha.setInterpolator(null);
            hotseatAlpha.setInterpolator(null);
            overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
        }

        overviewPanelAlpha.setDuration(duration);
        pageIndicatorAlpha.setDuration(duration);
        hotseatAlpha.setDuration(duration);

        if (searchBar != null) {
            Animator searchBarAlpha = new LauncherViewPropertyAnimator(searchBar).alpha(finalSearchBarAlpha)
                    .withLayer();
            searchBarAlpha.addListener(new AlphaUpdateListener(searchBar));
            searchBar.setLayerType(View.LAYER_TYPE_HARDWARE, null);
            if (layerViews != null) {
                layerViews.add(searchBar);
            }
            searchBarAlpha.setDuration(duration);
            anim.play(searchBarAlpha);
        }

        anim.play(overviewPanelAlpha);
        anim.play(hotseatAlpha);
        anim.play(pageIndicatorAlpha);
        anim.setStartDelay(delay);
        anim.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mStateAnimator = null;
            }
        });
    } else {
        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        hotseat.setAlpha(finalHotseatAndPageIndicatorAlpha);
        AlphaUpdateListener.updateVisibility(hotseat);
        if (pageIndicator != null) {
            pageIndicator.setAlpha(finalHotseatAndPageIndicatorAlpha);
            AlphaUpdateListener.updateVisibility(pageIndicator);
        }
        if (searchBar != null) {
            searchBar.setAlpha(finalSearchBarAlpha);
            AlphaUpdateListener.updateVisibility(searchBar);
        }
        updateCustomContentVisibility();
        setScaleX(mNewScale);
        setScaleY(mNewScale);
        setTranslationY(finalWorkspaceTranslationY);
    }

    if (stateIsNormal) {
        animateBackgroundGradient(0f, animated);
    } else {
        animateBackgroundGradient(getResources().getInteger(R.integer.config_workspaceScrimAlpha) / 100f,
                animated);
    }
    return anim;
}

From source file:com.upchannel.launcher3.Workspace.java

Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage,
        ArrayList<View> layerViews) {
    if (mState == state) {
        return null;
    }//from   www .  j  a  va  2s  .  c o  m

    // Initialize animation arrays for the first time if necessary
    initAnimationArrays();

    AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null;

    final State oldState = mState;
    final boolean oldStateIsNormal = (oldState == State.NORMAL);
    final boolean oldStateIsSpringLoaded = (oldState == State.SPRING_LOADED);
    final boolean oldStateIsNormalHidden = (oldState == State.NORMAL_HIDDEN);
    final boolean oldStateIsOverviewHidden = (oldState == State.OVERVIEW_HIDDEN);
    final boolean oldStateIsOverview = (oldState == State.OVERVIEW);
    setState(state);
    final boolean stateIsNormal = (state == State.NORMAL);
    final boolean stateIsSpringLoaded = (state == State.SPRING_LOADED);
    final boolean stateIsNormalHidden = (state == State.NORMAL_HIDDEN);
    final boolean stateIsOverviewHidden = (state == State.OVERVIEW_HIDDEN);
    final boolean stateIsOverview = (state == State.OVERVIEW);
    float finalBackgroundAlpha = (stateIsSpringLoaded || stateIsOverview) ? 1.0f : 0f;
    float finalHotseatAndPageIndicatorAlpha = (stateIsNormal || stateIsSpringLoaded) ? 1f : 0f;
    float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f;
    float finalSearchBarAlpha = !stateIsNormal ? 0f : 1f;
    float finalWorkspaceTranslationY = stateIsOverview || stateIsOverviewHidden ? getOverviewModeTranslationY()
            : 0;

    boolean workspaceToAllApps = (oldStateIsNormal && stateIsNormalHidden);
    boolean overviewToAllApps = (oldStateIsOverview && stateIsOverviewHidden);
    boolean allAppsToWorkspace = (stateIsNormalHidden && stateIsNormal);
    boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview);
    boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal);

    mNewScale = 1.0f;

    if (oldStateIsOverview) {
        disableFreeScroll();
    } else if (stateIsOverview) {
        enableFreeScroll();
    }

    if (state != State.NORMAL) {
        if (stateIsSpringLoaded) {
            mNewScale = mSpringLoadedShrinkFactor;
        } else if (stateIsOverview || stateIsOverviewHidden) {
            mNewScale = mOverviewModeShrinkFactor;
        }
    }

    final int duration;
    if (workspaceToAllApps || overviewToAllApps) {
        duration = HIDE_WORKSPACE_DURATION; //getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
    } else if (workspaceToOverview || overviewToWorkspace) {
        duration = getResources().getInteger(R.integer.config_overviewTransitionTime);
    } else {
        duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime);
    }

    if (snapPage == -1) {
        snapPage = getPageNearestToCenterOfScreen();
    }
    snapToPage(snapPage, duration, mZoomInInterpolator);

    for (int i = 0; i < getChildCount(); i++) {
        final CellLayout cl = (CellLayout) getChildAt(i);
        boolean isCurrentPage = (i == snapPage);
        float initialAlpha = cl.getShortcutsAndWidgets().getAlpha();
        float finalAlpha;
        if (stateIsNormalHidden || stateIsOverviewHidden) {
            finalAlpha = 0f;
        } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) {
            finalAlpha = (i == snapPage || i < numCustomPages()) ? 1f : 0f;
        } else {
            finalAlpha = 1f;
        }

        // If we are animating to/from the small state, then hide the side pages and fade the
        // current page in
        if (!mIsSwitchingState) {
            if (workspaceToAllApps || allAppsToWorkspace) {
                if (allAppsToWorkspace && isCurrentPage) {
                    initialAlpha = 0f;
                } else if (!isCurrentPage) {
                    initialAlpha = finalAlpha = 0f;
                }
                cl.setShortcutAndWidgetAlpha(initialAlpha);
            }
        }

        mOldAlphas[i] = initialAlpha;
        mNewAlphas[i] = finalAlpha;
        if (animated) {
            mOldBackgroundAlphas[i] = cl.getBackgroundAlpha();
            mNewBackgroundAlphas[i] = finalBackgroundAlpha;
        } else {
            cl.setBackgroundAlpha(finalBackgroundAlpha);
            cl.setShortcutAndWidgetAlpha(finalAlpha);
        }
    }

    final View searchBar = mLauncher.getQsbBar();
    final View overviewPanel = mLauncher.getOverviewPanel();
    final View hotseat = mLauncher.getHotseat();
    final View pageIndicator = getPageIndicator();
    if (animated) {
        LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
        scale.scaleX(mNewScale).scaleY(mNewScale).translationY(finalWorkspaceTranslationY).setDuration(duration)
                .setInterpolator(mZoomInInterpolator);
        anim.play(scale);
        for (int index = 0; index < getChildCount(); index++) {
            final int i = index;
            final CellLayout cl = (CellLayout) getChildAt(i);
            float currentAlpha = cl.getShortcutsAndWidgets().getAlpha();
            if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) {
                cl.setBackgroundAlpha(mNewBackgroundAlphas[i]);
                cl.setShortcutAndWidgetAlpha(mNewAlphas[i]);
            } else {
                if (layerViews != null) {
                    layerViews.add(cl);
                }
                if (mOldAlphas[i] != mNewAlphas[i] || currentAlpha != mNewAlphas[i]) {
                    LauncherViewPropertyAnimator alphaAnim = new LauncherViewPropertyAnimator(
                            cl.getShortcutsAndWidgets());
                    alphaAnim.alpha(mNewAlphas[i]).setDuration(duration).setInterpolator(mZoomInInterpolator);
                    anim.play(alphaAnim);
                }
                if (mOldBackgroundAlphas[i] != 0 || mNewBackgroundAlphas[i] != 0) {
                    ValueAnimator bgAnim = LauncherAnimUtils.ofFloat(cl, 0f, 1f);
                    bgAnim.setInterpolator(mZoomInInterpolator);
                    bgAnim.setDuration(duration);
                    bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
                        public void onAnimationUpdate(float a, float b) {
                            cl.setBackgroundAlpha(a * mOldBackgroundAlphas[i] + b * mNewBackgroundAlphas[i]);
                        }
                    });
                    anim.play(bgAnim);
                }
            }
        }
        Animator pageIndicatorAlpha = null;
        if (pageIndicator != null) {
            pageIndicatorAlpha = new LauncherViewPropertyAnimator(pageIndicator)
                    .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
            pageIndicatorAlpha.addListener(new AlphaUpdateListener(pageIndicator));
        } else {
            // create a dummy animation so we don't need to do null checks later
            pageIndicatorAlpha = ValueAnimator.ofFloat(0, 0);
        }

        Animator hotseatAlpha = new LauncherViewPropertyAnimator(hotseat)
                .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
        hotseatAlpha.addListener(new AlphaUpdateListener(hotseat));

        Animator searchBarAlpha = new LauncherViewPropertyAnimator(searchBar).alpha(finalSearchBarAlpha)
                .withLayer();
        searchBarAlpha.addListener(new AlphaUpdateListener(searchBar));

        Animator overviewPanelAlpha = new LauncherViewPropertyAnimator(overviewPanel)
                .alpha(finalOverviewPanelAlpha).withLayer();
        overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));

        // For animation optimations, we may need to provide the Launcher transition
        // with a set of views on which to force build layers in certain scenarios.
        hotseat.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        searchBar.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        overviewPanel.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        if (layerViews != null) {
            layerViews.add(hotseat);
            layerViews.add(searchBar);
            layerViews.add(overviewPanel);
        }

        if (workspaceToOverview) {
            pageIndicatorAlpha.setInterpolator(new DecelerateInterpolator(2));
            hotseatAlpha.setInterpolator(new DecelerateInterpolator(2));
            overviewPanelAlpha.setInterpolator(null);
        } else if (overviewToWorkspace) {
            pageIndicatorAlpha.setInterpolator(null);
            hotseatAlpha.setInterpolator(null);
            overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
        }

        overviewPanelAlpha.setDuration(duration);
        pageIndicatorAlpha.setDuration(duration);
        hotseatAlpha.setDuration(duration);
        searchBarAlpha.setDuration(duration);

        anim.play(overviewPanelAlpha);
        anim.play(hotseatAlpha);
        anim.play(searchBarAlpha);
        anim.play(pageIndicatorAlpha);
        anim.setStartDelay(delay);
    } else {
        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        hotseat.setAlpha(finalHotseatAndPageIndicatorAlpha);
        AlphaUpdateListener.updateVisibility(hotseat);
        if (pageIndicator != null) {
            pageIndicator.setAlpha(finalHotseatAndPageIndicatorAlpha);
            AlphaUpdateListener.updateVisibility(pageIndicator);
        }
        searchBar.setAlpha(finalSearchBarAlpha);
        AlphaUpdateListener.updateVisibility(searchBar);
        updateCustomContentVisibility();
        setScaleX(mNewScale);
        setScaleY(mNewScale);
        setTranslationY(finalWorkspaceTranslationY);
    }
    mLauncher.updateVoiceButtonProxyVisible(false);

    if (stateIsNormal) {
        animateBackgroundGradient(0f, animated);
    } else {
        animateBackgroundGradient(getResources().getInteger(R.integer.config_workspaceScrimAlpha) / 100f,
                animated);
    }
    return anim;
}

From source file:myblog.richard.vewe.launcher3.Workspace.java

Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage,
        ArrayList<View> layerViews) {
    if (mState == state) {
        return null;
    }//from  w w  w.ja  v  a 2  s  .  c  o  m
    if (mState == State.OVERVIEW || state == State.OVERVIEW) {
        changeState(state);
        return null;
    }

    // Initialize animation arrays for the first time if necessary
    initAnimationArrays();

    AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null;

    // We only want a single instance of a workspace animation to be running at once, so
    // we cancel any incomplete transition.
    if (mStateAnimator != null) {
        mStateAnimator.cancel();
    }
    mStateAnimator = anim;

    final State oldState = mState;
    final boolean oldStateIsNormal = (oldState == State.NORMAL);
    final boolean oldStateIsSpringLoaded = (oldState == State.SPRING_LOADED);
    final boolean oldStateIsNormalHidden = (oldState == State.NORMAL_HIDDEN);
    final boolean oldStateIsOverviewHidden = (oldState == State.OVERVIEW_HIDDEN);
    final boolean oldStateIsOverview = (oldState == State.OVERVIEW);
    setState(state);
    final boolean stateIsNormal = (state == State.NORMAL);
    final boolean stateIsSpringLoaded = (state == State.SPRING_LOADED);
    final boolean stateIsNormalHidden = (state == State.NORMAL_HIDDEN);
    final boolean stateIsOverviewHidden = (state == State.OVERVIEW_HIDDEN);
    final boolean stateIsOverview = (state == State.OVERVIEW);
    float finalBackgroundAlpha = (stateIsSpringLoaded || stateIsOverview) ? 1.0f : 0f;
    float finalHotseatAndPageIndicatorAlpha = (stateIsNormal || stateIsSpringLoaded) ? 1f : 0f;
    float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f;
    float finalSearchBarAlpha = !stateIsNormal ? 0f : 1f;
    float finalWorkspaceTranslationY = stateIsOverview || stateIsOverviewHidden ? getOverviewModeTranslationY()
            : 0;

    boolean workspaceToAllApps = (oldStateIsNormal && stateIsNormalHidden);
    boolean overviewToAllApps = (oldStateIsOverview && stateIsOverviewHidden);
    boolean allAppsToWorkspace = (stateIsNormalHidden && stateIsNormal);
    boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview);
    boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal);

    mNewScale = 1.0f;

    if (oldStateIsOverview) {
        disableFreeScroll();
    } else if (stateIsOverview) {
        enableFreeScroll();
    }

    if (state != State.NORMAL) {
        if (stateIsSpringLoaded) {
            mNewScale = mSpringLoadedShrinkFactor;
        } else if (stateIsOverview || stateIsOverviewHidden) {
            mNewScale = mOverviewModeShrinkFactor;
        }
    }

    final int duration;
    if (workspaceToAllApps || overviewToAllApps) {
        duration = HIDE_WORKSPACE_DURATION; //getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
    } else if (workspaceToOverview || overviewToWorkspace) {
        duration = getResources().getInteger(R.integer.config_overviewTransitionTime);
    } else {
        duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime);
    }

    if (snapPage == -1) {
        snapPage = getPageNearestToCenterOfScreen();
    }
    snapToPage(snapPage, duration, mZoomInInterpolator);

    for (int i = 0; i < getChildCount(); i++) {
        final CellLayout cl = (CellLayout) getChildAt(i);
        boolean isCurrentPage = (i == snapPage);
        float initialAlpha = cl.getShortcutsAndWidgets().getAlpha();
        float finalAlpha;
        if (stateIsNormalHidden || stateIsOverviewHidden) {
            finalAlpha = 0f;
        } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) {
            finalAlpha = (i == snapPage || i < numCustomPages()) ? 1f : 0f;
        } else {
            finalAlpha = 1f;
        }

        // If we are animating to/from the small state, then hide the side pages and fade the
        // current page in
        if (!mIsSwitchingState) {
            if (workspaceToAllApps || allAppsToWorkspace) {
                if (allAppsToWorkspace && isCurrentPage) {
                    initialAlpha = 0f;
                } else if (!isCurrentPage) {
                    initialAlpha = finalAlpha = 0f;
                }
                cl.setShortcutAndWidgetAlpha(initialAlpha);
            }
        }

        mOldAlphas[i] = initialAlpha;
        mNewAlphas[i] = finalAlpha;
        if (animated) {
            mOldBackgroundAlphas[i] = cl.getBackgroundAlpha();
            mNewBackgroundAlphas[i] = finalBackgroundAlpha;
        } else {
            cl.setBackgroundAlpha(finalBackgroundAlpha);
            cl.setShortcutAndWidgetAlpha(finalAlpha);
        }
    }

    final View searchBar = mLauncher.getQsbBar();
    final View overviewPanel = mLauncher.getOverviewPanel();
    final View hotseat = mLauncher.getHotseat();
    final View pageIndicator = getPageIndicator();
    if (animated) {
        LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
        scale.scaleX(mNewScale).scaleY(mNewScale).translationY(finalWorkspaceTranslationY).setDuration(duration)
                .setInterpolator(mZoomInInterpolator);
        anim.play(scale);
        for (int index = 0; index < getChildCount(); index++) {
            final int i = index;
            final CellLayout cl = (CellLayout) getChildAt(i);
            float currentAlpha = cl.getShortcutsAndWidgets().getAlpha();
            if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) {
                cl.setBackgroundAlpha(mNewBackgroundAlphas[i]);
                cl.setShortcutAndWidgetAlpha(mNewAlphas[i]);
            } else {
                if (layerViews != null) {
                    layerViews.add(cl);
                }
                if (mOldAlphas[i] != mNewAlphas[i] || currentAlpha != mNewAlphas[i]) {
                    LauncherViewPropertyAnimator alphaAnim = new LauncherViewPropertyAnimator(
                            cl.getShortcutsAndWidgets());
                    alphaAnim.alpha(mNewAlphas[i]).setDuration(duration).setInterpolator(mZoomInInterpolator);
                    anim.play(alphaAnim);
                }
                if (mOldBackgroundAlphas[i] != 0 || mNewBackgroundAlphas[i] != 0) {
                    ValueAnimator bgAnim = LauncherAnimUtils.ofFloat(cl, 0f, 1f);
                    bgAnim.setInterpolator(mZoomInInterpolator);
                    bgAnim.setDuration(duration);
                    bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
                        public void onAnimationUpdate(float a, float b) {
                            cl.setBackgroundAlpha(a * mOldBackgroundAlphas[i] + b * mNewBackgroundAlphas[i]);
                        }
                    });
                    anim.play(bgAnim);
                }
            }
        }
        Animator pageIndicatorAlpha = null;
        if (pageIndicator != null) {
            pageIndicatorAlpha = new LauncherViewPropertyAnimator(pageIndicator)
                    .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
            pageIndicatorAlpha.addListener(new AlphaUpdateListener(pageIndicator));
        } else {
            // create a dummy animation so we don't need to do null checks later
            pageIndicatorAlpha = ValueAnimator.ofFloat(0, 0);
        }

        Animator hotseatAlpha = new LauncherViewPropertyAnimator(hotseat)
                .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
        hotseatAlpha.addListener(new AlphaUpdateListener(hotseat));

        Animator overviewPanelAlpha = new LauncherViewPropertyAnimator(overviewPanel)
                .alpha(finalOverviewPanelAlpha).withLayer();
        overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));

        // For animation optimations, we may need to provide the Launcher transition
        // with a set of views on which to force build layers in certain scenarios.
        hotseat.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        overviewPanel.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        if (layerViews != null) {
            layerViews.add(hotseat);
            layerViews.add(overviewPanel);
        }

        if (workspaceToOverview) {
            pageIndicatorAlpha.setInterpolator(new DecelerateInterpolator(2));
            hotseatAlpha.setInterpolator(new DecelerateInterpolator(2));
            overviewPanelAlpha.setInterpolator(null);
        } else if (overviewToWorkspace) {
            pageIndicatorAlpha.setInterpolator(null);
            hotseatAlpha.setInterpolator(null);
            overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
        }

        overviewPanelAlpha.setDuration(duration);
        pageIndicatorAlpha.setDuration(duration);
        hotseatAlpha.setDuration(duration);

        if (searchBar != null) {
            Animator searchBarAlpha = new LauncherViewPropertyAnimator(searchBar).alpha(finalSearchBarAlpha)
                    .withLayer();
            searchBarAlpha.addListener(new AlphaUpdateListener(searchBar));
            searchBar.setLayerType(View.LAYER_TYPE_HARDWARE, null);
            if (layerViews != null) {
                layerViews.add(searchBar);
            }
            searchBarAlpha.setDuration(duration);
            anim.play(searchBarAlpha);
        }

        anim.play(overviewPanelAlpha);
        anim.play(hotseatAlpha);
        anim.play(pageIndicatorAlpha);
        anim.setStartDelay(delay);
        anim.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mStateAnimator = null;
            }
        });
    } else {
        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        hotseat.setAlpha(finalHotseatAndPageIndicatorAlpha);
        AlphaUpdateListener.updateVisibility(hotseat);
        if (pageIndicator != null) {
            pageIndicator.setAlpha(finalHotseatAndPageIndicatorAlpha);
            AlphaUpdateListener.updateVisibility(pageIndicator);
        }
        if (searchBar != null) {
            searchBar.setAlpha(finalSearchBarAlpha);
            AlphaUpdateListener.updateVisibility(searchBar);
        }
        updateCustomContentVisibility();
        setScaleX(mNewScale);
        setScaleY(mNewScale);
        setTranslationY(finalWorkspaceTranslationY);
    }

    if (stateIsNormal) {
        animateBackgroundGradient(0f, animated);
    } else {
        animateBackgroundGradient(getResources().getInteger(R.integer.config_workspaceScrimAlpha) / 100f,
                animated);
    }
    return anim;
}

From source file:io.github.runassudo.launchert.Workspace.java

Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage,
        ArrayList<View> layerViews) {
    if (mState == state) {
        return null;
    }//from   w  w w.j a  va2  s  .c  o m

    // Initialize animation arrays for the first time if necessary
    initAnimationArrays();

    AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null;

    final State oldState = mState;
    final boolean oldStateIsNormal = (oldState == State.NORMAL);
    final boolean oldStateIsSpringLoaded = (oldState == State.SPRING_LOADED);
    final boolean oldStateIsNormalHidden = (oldState == State.NORMAL_HIDDEN);
    final boolean oldStateIsOverviewHidden = (oldState == State.OVERVIEW_HIDDEN);
    final boolean oldStateIsOverview = (oldState == State.OVERVIEW);
    setState(state);
    final boolean stateIsNormal = (state == State.NORMAL);
    final boolean stateIsSpringLoaded = (state == State.SPRING_LOADED);
    final boolean stateIsNormalHidden = (state == State.NORMAL_HIDDEN);
    final boolean stateIsOverviewHidden = (state == State.OVERVIEW_HIDDEN);
    final boolean stateIsOverview = (state == State.OVERVIEW);
    float finalBackgroundAlpha = (stateIsSpringLoaded || stateIsOverview) ? 1.0f : 0f;
    float finalHotseatAndPageIndicatorAlpha = (stateIsNormal || stateIsSpringLoaded) ? 1f : 0f;
    float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f;
    float finalSearchBarAlpha = !stateIsNormal ? 0f : 1f;
    float finalWorkspaceTranslationY = stateIsOverview || stateIsOverviewHidden ? getOverviewModeTranslationY()
            : 0;

    boolean workspaceToAllApps = (oldStateIsNormal && stateIsNormalHidden);
    boolean overviewToAllApps = (oldStateIsOverview && stateIsOverviewHidden);
    boolean allAppsToWorkspace = (stateIsNormalHidden && stateIsNormal);
    boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview);
    boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal);

    mNewScale = 1.0f;

    if (oldStateIsOverview) {
        disableFreeScroll();
    } else if (stateIsOverview) {
        enableFreeScroll();
    }

    if (state != State.NORMAL) {
        if (stateIsSpringLoaded) {
            mNewScale = mSpringLoadedShrinkFactor;
        } else if (stateIsOverview || stateIsOverviewHidden) {
            mNewScale = mOverviewModeShrinkFactor;
        }
    }

    final int duration;
    if (workspaceToAllApps || overviewToAllApps) {
        duration = HIDE_WORKSPACE_DURATION; //getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
    } else if (workspaceToOverview || overviewToWorkspace) {
        duration = getResources().getInteger(R.integer.config_overviewTransitionTime);
    } else {
        duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime);
    }

    if (snapPage == -1) {
        snapPage = getPageNearestToCenterOfScreen();
    }
    snapToPage(snapPage, duration, mZoomInInterpolator);

    for (int i = 0; i < getChildCount(); i++) {
        final CellLayout cl = (CellLayout) getChildAt(i);
        boolean isCurrentPage = (i == snapPage);
        float initialAlpha = cl.getShortcutsAndWidgets().getAlpha();
        float finalAlpha;
        if (stateIsNormalHidden || stateIsOverviewHidden) {
            finalAlpha = 0f;
        } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) {
            finalAlpha = (i == snapPage || i < numCustomPages()) ? 1f : 0f;
        } else {
            finalAlpha = 1f;
        }

        // If we are animating to/from the small state, then hide the side pages and fade the
        // current page in
        if (!mIsSwitchingState) {
            if (workspaceToAllApps || allAppsToWorkspace) {
                if (allAppsToWorkspace && isCurrentPage) {
                    initialAlpha = 0f;
                } else if (!isCurrentPage) {
                    initialAlpha = finalAlpha = 0f;
                }
                cl.setShortcutAndWidgetAlpha(initialAlpha);
            }
        }

        mOldAlphas[i] = initialAlpha;
        mNewAlphas[i] = finalAlpha;
        if (animated) {
            mOldBackgroundAlphas[i] = cl.getBackgroundAlpha();
            mNewBackgroundAlphas[i] = finalBackgroundAlpha;
        } else {
            cl.setBackgroundAlpha(finalBackgroundAlpha);
            cl.setShortcutAndWidgetAlpha(finalAlpha);
        }
    }

    final View searchBar = mLauncher.getQsbBar();
    final View overviewPanel = mLauncher.getOverviewPanel();
    final View hotseat = mLauncher.getHotseat();
    final View pageIndicator = getPageIndicator();
    if (animated) {
        LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
        scale.scaleX(mNewScale).scaleY(mNewScale).translationY(finalWorkspaceTranslationY).setDuration(duration)
                .setInterpolator(mZoomInInterpolator);
        anim.play(scale);
        for (int index = 0; index < getChildCount(); index++) {
            final int i = index;
            final CellLayout cl = (CellLayout) getChildAt(i);
            float currentAlpha = cl.getShortcutsAndWidgets().getAlpha();
            if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) {
                cl.setBackgroundAlpha(mNewBackgroundAlphas[i]);
                cl.setShortcutAndWidgetAlpha(mNewAlphas[i]);
            } else {
                if (layerViews != null) {
                    layerViews.add(cl);
                }
                if (mOldAlphas[i] != mNewAlphas[i] || currentAlpha != mNewAlphas[i]) {
                    LauncherViewPropertyAnimator alphaAnim = new LauncherViewPropertyAnimator(
                            cl.getShortcutsAndWidgets());
                    alphaAnim.alpha(mNewAlphas[i]).setDuration(duration).setInterpolator(mZoomInInterpolator);
                    anim.play(alphaAnim);
                }
                if (mOldBackgroundAlphas[i] != 0 || mNewBackgroundAlphas[i] != 0) {
                    ValueAnimator bgAnim = LauncherAnimUtils.ofFloat(cl, 0f, 1f);
                    bgAnim.setInterpolator(mZoomInInterpolator);
                    bgAnim.setDuration(duration);
                    bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
                        public void onAnimationUpdate(float a, float b) {
                            cl.setBackgroundAlpha(a * mOldBackgroundAlphas[i] + b * mNewBackgroundAlphas[i]);
                        }
                    });
                    anim.play(bgAnim);
                }
            }
        }
        Animator pageIndicatorAlpha = null;
        if (pageIndicator != null) {
            pageIndicatorAlpha = new LauncherViewPropertyAnimator(pageIndicator)
                    .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
            pageIndicatorAlpha.addListener(new AlphaUpdateListener(pageIndicator));
        } else {
            // create a dummy animation so we don't need to do null checks later
            pageIndicatorAlpha = ValueAnimator.ofFloat(0, 0);
        }

        Animator hotseatAlpha = new LauncherViewPropertyAnimator(hotseat)
                .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
        hotseatAlpha.addListener(new AlphaUpdateListener(hotseat));

        Animator searchBarAlpha = new LauncherViewPropertyAnimator(searchBar).alpha(finalSearchBarAlpha)
                .withLayer();
        searchBarAlpha.addListener(new AlphaUpdateListener(searchBar));

        Animator overviewPanelAlpha = new LauncherViewPropertyAnimator(overviewPanel)
                .alpha(finalOverviewPanelAlpha).withLayer();
        overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));

        // For animation optimations, we may need to provide the Launcher transition
        // with a set of views on which to force build layers in certain scenarios.
        hotseat.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        searchBar.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        overviewPanel.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        if (layerViews != null) {
            layerViews.add(hotseat);
            layerViews.add(searchBar);
            layerViews.add(overviewPanel);
        }

        if (workspaceToOverview) {
            pageIndicatorAlpha.setInterpolator(new DecelerateInterpolator(2));
            hotseatAlpha.setInterpolator(new DecelerateInterpolator(2));
            overviewPanelAlpha.setInterpolator(null);
        } else if (overviewToWorkspace) {
            pageIndicatorAlpha.setInterpolator(null);
            hotseatAlpha.setInterpolator(null);
            overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
        }

        overviewPanelAlpha.setDuration(duration);
        pageIndicatorAlpha.setDuration(duration);
        hotseatAlpha.setDuration(duration);
        searchBarAlpha.setDuration(duration);

        anim.play(overviewPanelAlpha);
        anim.play(hotseatAlpha);

        //(LauncherT) Custom search bar visibility
        if (SettingsData.desktopShowSearchbar)
            anim.play(searchBarAlpha);

        anim.play(pageIndicatorAlpha);
        anim.setStartDelay(delay);
    } else {
        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        hotseat.setAlpha(finalHotseatAndPageIndicatorAlpha);
        AlphaUpdateListener.updateVisibility(hotseat);
        if (pageIndicator != null) {
            pageIndicator.setAlpha(finalHotseatAndPageIndicatorAlpha);
            AlphaUpdateListener.updateVisibility(pageIndicator);
        }

        //(LauncherT) Custom search bar visibility
        if (SettingsData.desktopShowSearchbar) {
            searchBar.setAlpha(finalSearchBarAlpha);
            AlphaUpdateListener.updateVisibility(searchBar);
        }

        updateCustomContentVisibility();
        setScaleX(mNewScale);
        setScaleY(mNewScale);
        setTranslationY(finalWorkspaceTranslationY);
    }
    mLauncher.updateVoiceButtonProxyVisible(false);

    if (stateIsNormal) {
        animateBackgroundGradient(0f, animated);
    } else {
        animateBackgroundGradient(getResources().getInteger(R.integer.config_workspaceScrimAlpha) / 100f,
                animated);
    }
    return anim;
}

From source file:com.android.launcher3.Workspace.java

Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage,
        ArrayList<View> layerViews) {
    if (mState == state) {
        return null;
    }//from  ww w.  ja  v a  2  s  .c  o  m

    // Initialize animation arrays for the first time if necessary
    initAnimationArrays();

    AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null;

    // We only want a single instance of a workspace animation to be running at once, so
    // we cancel any incomplete transition.
    if (mStateAnimator != null) {
        mStateAnimator.cancel();
    }
    mStateAnimator = anim;

    final State oldState = mState;
    final boolean oldStateIsNormal = (oldState == State.NORMAL);
    final boolean oldStateIsSpringLoaded = (oldState == State.SPRING_LOADED);
    final boolean oldStateIsNormalHidden = (oldState == State.NORMAL_HIDDEN);
    final boolean oldStateIsOverviewHidden = (oldState == State.OVERVIEW_HIDDEN);
    final boolean oldStateIsOverview = (oldState == State.OVERVIEW);
    setState(state);
    final boolean stateIsNormal = (state == State.NORMAL);
    final boolean stateIsSpringLoaded = (state == State.SPRING_LOADED);
    final boolean stateIsNormalHidden = (state == State.NORMAL_HIDDEN);
    final boolean stateIsOverviewHidden = (state == State.OVERVIEW_HIDDEN);
    final boolean stateIsOverview = (state == State.OVERVIEW);
    float finalBackgroundAlpha = (stateIsSpringLoaded || stateIsOverview) ? 1.0f : 0f;
    float finalHotseatAndPageIndicatorAlpha = (stateIsNormal || stateIsSpringLoaded) ? 1f : 0f;
    float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f;
    float finalSearchBarAlpha = !stateIsNormal ? 0f : 1f;
    float finalWorkspaceTranslationY = stateIsOverview || stateIsOverviewHidden ? getOverviewModeTranslationY()
            : 0;

    boolean workspaceToAllApps = (oldStateIsNormal && stateIsNormalHidden);
    boolean overviewToAllApps = (oldStateIsOverview && stateIsOverviewHidden);
    boolean allAppsToWorkspace = (stateIsNormalHidden && stateIsNormal);
    boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview);
    boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal);

    mNewScale = 1.0f;

    if (oldStateIsOverview) {
        disableFreeScroll();
    } else if (stateIsOverview) {
        enableFreeScroll();
    }

    if (state != State.NORMAL) {
        if (stateIsSpringLoaded) {
            mNewScale = mSpringLoadedShrinkFactor;
        } else if (stateIsOverview || stateIsOverviewHidden) {
            mNewScale = mOverviewModeShrinkFactor;
        }
    }

    final int duration;
    if (workspaceToAllApps || overviewToAllApps) {
        duration = HIDE_WORKSPACE_DURATION; //getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
    } else if (workspaceToOverview || overviewToWorkspace) {
        duration = getResources().getInteger(R.integer.config_overviewTransitionTime);
    } else {
        duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime);
    }

    if (snapPage == -1) {
        snapPage = getPageNearestToCenterOfScreen();
    }
    snapToPage(snapPage, duration, mZoomInInterpolator);

    for (int i = 0; i < getChildCount(); i++) {
        final CellLayout cl = (CellLayout) getChildAt(i);
        boolean isCurrentPage = (i == snapPage);
        float initialAlpha = cl.getShortcutsAndWidgets().getAlpha();
        float finalAlpha;
        if (stateIsNormalHidden || stateIsOverviewHidden) {
            finalAlpha = 0f;
        } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) {
            finalAlpha = (i == snapPage || i < numCustomPages()) ? 1f : 0f;
        } else {
            finalAlpha = 1f;
        }

        // If we are animating to/from the small state, then hide the side pages and fade the
        // current page in
        if (!mIsSwitchingState) {
            if (workspaceToAllApps || allAppsToWorkspace) {
                if (allAppsToWorkspace && isCurrentPage) {
                    initialAlpha = 0f;
                } else if (!isCurrentPage) {
                    initialAlpha = finalAlpha = 0f;
                }
                cl.setShortcutAndWidgetAlpha(initialAlpha);
            }
        }

        mOldAlphas[i] = initialAlpha;
        mNewAlphas[i] = finalAlpha;
        if (animated) {
            mOldBackgroundAlphas[i] = cl.getBackgroundAlpha();
            mNewBackgroundAlphas[i] = finalBackgroundAlpha;
        } else {
            cl.setBackgroundAlpha(finalBackgroundAlpha);
            cl.setShortcutAndWidgetAlpha(finalAlpha);
        }
    }

    // SPRD: bug371310 2014-11-19 Feature circular sliding.
    final View circularSlidingPanel = mLauncher.getCircularSlidingPanel();
    final View searchBar = mLauncher.getQsbBar();
    final View overviewPanel = mLauncher.getOverviewPanel();
    final View hotseat = mLauncher.getHotseat();
    final View pageIndicator = getPageIndicator();
    if (animated) {
        LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
        scale.scaleX(mNewScale).scaleY(mNewScale).translationY(finalWorkspaceTranslationY).setDuration(duration)
                .setInterpolator(mZoomInInterpolator);
        anim.play(scale);
        for (int index = 0; index < getChildCount(); index++) {
            final int i = index;
            final CellLayout cl = (CellLayout) getChildAt(i);
            float currentAlpha = cl.getShortcutsAndWidgets().getAlpha();
            if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) {
                cl.setBackgroundAlpha(mNewBackgroundAlphas[i]);
                cl.setShortcutAndWidgetAlpha(mNewAlphas[i]);
            } else {
                if (layerViews != null) {
                    layerViews.add(cl);
                }
                if (mOldAlphas[i] != mNewAlphas[i] || currentAlpha != mNewAlphas[i]) {
                    LauncherViewPropertyAnimator alphaAnim = new LauncherViewPropertyAnimator(
                            cl.getShortcutsAndWidgets());
                    alphaAnim.alpha(mNewAlphas[i]).setDuration(duration).setInterpolator(mZoomInInterpolator);
                    anim.play(alphaAnim);
                }
                if (mOldBackgroundAlphas[i] != 0 || mNewBackgroundAlphas[i] != 0) {
                    ValueAnimator bgAnim = LauncherAnimUtils.ofFloat(cl, 0f, 1f);
                    bgAnim.setInterpolator(mZoomInInterpolator);
                    bgAnim.setDuration(duration);
                    bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
                        public void onAnimationUpdate(float a, float b) {
                            cl.setBackgroundAlpha(a * mOldBackgroundAlphas[i] + b * mNewBackgroundAlphas[i]);
                        }
                    });
                    anim.play(bgAnim);
                }
            }
        }
        Animator pageIndicatorAlpha = null;
        if (pageIndicator != null) {
            pageIndicatorAlpha = new LauncherViewPropertyAnimator(pageIndicator)
                    .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
            pageIndicatorAlpha.addListener(new AlphaUpdateListener(pageIndicator));
        } else {
            // create a dummy animation so we don't need to do null checks later
            pageIndicatorAlpha = ValueAnimator.ofFloat(0, 0);
        }

        Animator hotseatAlpha = new LauncherViewPropertyAnimator(hotseat)
                .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
        hotseatAlpha.addListener(new AlphaUpdateListener(hotseat));

        Animator overviewPanelAlpha = new LauncherViewPropertyAnimator(overviewPanel)
                .alpha(finalOverviewPanelAlpha).withLayer();
        overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));

        /* SPRD: bug371310 2014-11-19 Feature circular sliding. @{ */
        Animator circularSlidingPanelAlpha = new LauncherViewPropertyAnimator(circularSlidingPanel)
                .alpha(finalOverviewPanelAlpha).withLayer();
        circularSlidingPanelAlpha.addListener(new AlphaUpdateListener(circularSlidingPanel));
        /* SPRD: bug371310 2014-11-19 Feature circular sliding. @} */

        // For animation optimations, we may need to provide the Launcher transition
        // with a set of views on which to force build layers in certain scenarios.
        hotseat.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        overviewPanel.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        // SPRD: bug371310 2014-11-19 Feature circular sliding.
        circularSlidingPanel.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        if (layerViews != null) {
            layerViews.add(hotseat);
            layerViews.add(overviewPanel);
            // SPRD: bug371310 2014-11-19 Feature circular sliding.
            layerViews.add(circularSlidingPanel);
        }

        if (workspaceToOverview) {
            pageIndicatorAlpha.setInterpolator(new DecelerateInterpolator(2));
            hotseatAlpha.setInterpolator(new DecelerateInterpolator(2));
            overviewPanelAlpha.setInterpolator(null);
            // SPRD: bug371310 2014-11-19 Feature circular sliding.
            circularSlidingPanelAlpha.setInterpolator(null);
        } else if (overviewToWorkspace) {
            pageIndicatorAlpha.setInterpolator(null);
            hotseatAlpha.setInterpolator(null);
            overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
            // SPRD: bug371310 2014-11-19 Feature circular sliding.
            circularSlidingPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
        }

        // SPRD: bug371310 2014-11-19 Feature circular sliding.
        circularSlidingPanelAlpha.setDuration(duration);
        overviewPanelAlpha.setDuration(duration);
        pageIndicatorAlpha.setDuration(duration);
        hotseatAlpha.setDuration(duration);

        if (searchBar != null) {
            Animator searchBarAlpha = new LauncherViewPropertyAnimator(searchBar).alpha(finalSearchBarAlpha)
                    .withLayer();
            searchBarAlpha.addListener(new AlphaUpdateListener(searchBar));
            searchBar.setLayerType(View.LAYER_TYPE_HARDWARE, null);
            if (layerViews != null) {
                layerViews.add(searchBar);
            }
            searchBarAlpha.setDuration(duration);
            anim.play(searchBarAlpha);
        }

        // SPRD: bug371310 2014-11-19 Feature circular sliding.
        anim.play(circularSlidingPanelAlpha);
        anim.play(overviewPanelAlpha);
        anim.play(hotseatAlpha);
        anim.play(pageIndicatorAlpha);
        anim.setStartDelay(delay);
        anim.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mStateAnimator = null;
            }
        });
    } else {
        /* SPRD: bug371310 2014-11-19 Feature circular sliding. @{ */
        circularSlidingPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(circularSlidingPanel);
        /* SPRD: bug371310 2014-11-19 Feature circular sliding. @} */

        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        hotseat.setAlpha(finalHotseatAndPageIndicatorAlpha);
        AlphaUpdateListener.updateVisibility(hotseat);
        if (pageIndicator != null) {
            pageIndicator.setAlpha(finalHotseatAndPageIndicatorAlpha);
            AlphaUpdateListener.updateVisibility(pageIndicator);
        }
        if (searchBar != null) {
            searchBar.setAlpha(finalSearchBarAlpha);
            AlphaUpdateListener.updateVisibility(searchBar);
        }
        updateCustomContentVisibility();
        setScaleX(mNewScale);
        setScaleY(mNewScale);
        setTranslationY(finalWorkspaceTranslationY);
    }

    if (stateIsNormal) {
        animateBackgroundGradient(0f, animated);
    } else {
        animateBackgroundGradient(getResources().getInteger(R.integer.config_workspaceScrimAlpha) / 100f,
                animated);
    }
    return anim;
}

From source file:android.app.FragmentManager.java

void moveToState(Fragment f, int newState, int transit, int transitionStyle, boolean keepActive) {
    if (DEBUG && false)
        Log.v(TAG, "moveToState: " + f + " oldState=" + f.mState + " newState=" + newState + " mRemoving="
                + f.mRemoving + " Callers=" + Debug.getCallers(5));

    // Fragments that are not currently added will sit in the onCreate() state.
    if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) {
        newState = Fragment.CREATED;//from   w ww . j av a2 s  . c o  m
    }
    if (f.mRemoving && newState > f.mState) {
        // While removing a fragment, we can't change it to a higher state.
        newState = f.mState;
    }
    // Defer start if requested; don't allow it to move to STARTED or higher
    // if it's not already started.
    if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) {
        newState = Fragment.STOPPED;
    }
    if (f.mState < newState) {
        // For fragments that are created from a layout, when restoring from
        // state we don't want to allow them to be created until they are
        // being reloaded from the layout.
        if (f.mFromLayout && !f.mInLayout) {
            return;
        }
        if (f.mAnimatingAway != null) {
            // The fragment is currently being animated...  but!  Now we
            // want to move our state back up.  Give up on waiting for the
            // animation, move to whatever the final state should be once
            // the animation is done, and then we can proceed from there.
            f.mAnimatingAway = null;
            moveToState(f, f.mStateAfterAnimating, 0, 0, true);
        }
        switch (f.mState) {
        case Fragment.INITIALIZING:
            if (DEBUG)
                Log.v(TAG, "moveto CREATED: " + f);
            if (f.mSavedFragmentState != null) {
                f.mSavedViewState = f.mSavedFragmentState
                        .getSparseParcelableArray(FragmentManagerImpl.VIEW_STATE_TAG);
                f.mTarget = getFragment(f.mSavedFragmentState, FragmentManagerImpl.TARGET_STATE_TAG);
                if (f.mTarget != null) {
                    f.mTargetRequestCode = f.mSavedFragmentState
                            .getInt(FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0);
                }
                f.mUserVisibleHint = f.mSavedFragmentState.getBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG,
                        true);
                if (!f.mUserVisibleHint) {
                    f.mDeferStart = true;
                    if (newState > Fragment.STOPPED) {
                        newState = Fragment.STOPPED;
                    }
                }
            }
            f.mActivity = mActivity;
            f.mParentFragment = mParent;
            f.mFragmentManager = mParent != null ? mParent.mChildFragmentManager : mActivity.mFragments;
            f.mCalled = false;
            f.onAttach(mActivity);
            if (!f.mCalled) {
                throw new SuperNotCalledException(
                        "Fragment " + f + " did not call through to super.onAttach()");
            }
            if (f.mParentFragment == null) {
                mActivity.onAttachFragment(f);
            }

            if (!f.mRetaining) {
                f.performCreate(f.mSavedFragmentState);
            }
            f.mRetaining = false;
            if (f.mFromLayout) {
                // For fragments that are part of the content view
                // layout, we need to instantiate the view immediately
                // and the inflater will take care of adding it.
                f.mView = f.performCreateView(f.getLayoutInflater(f.mSavedFragmentState), null,
                        f.mSavedFragmentState);
                if (f.mView != null) {
                    f.mView.setSaveFromParentEnabled(false);
                    if (f.mHidden)
                        f.mView.setVisibility(View.GONE);
                    f.onViewCreated(f.mView, f.mSavedFragmentState);
                }
            }
        case Fragment.CREATED:
            if (newState > Fragment.CREATED) {
                if (DEBUG)
                    Log.v(TAG, "moveto ACTIVITY_CREATED: " + f);
                if (!f.mFromLayout) {
                    ViewGroup container = null;
                    if (f.mContainerId != 0) {
                        container = (ViewGroup) mContainer.findViewById(f.mContainerId);
                        if (container == null && !f.mRestored) {
                            throwException(new IllegalArgumentException(
                                    "No view found for id 0x" + Integer.toHexString(f.mContainerId) + " ("
                                            + f.getResources().getResourceName(f.mContainerId)
                                            + ") for fragment " + f));
                        }
                    }
                    f.mContainer = container;
                    f.mView = f.performCreateView(f.getLayoutInflater(f.mSavedFragmentState), container,
                            f.mSavedFragmentState);
                    if (f.mView != null) {
                        f.mView.setSaveFromParentEnabled(false);
                        if (container != null) {
                            Animator anim = loadAnimator(f, transit, true, transitionStyle);
                            if (anim != null) {
                                anim.setTarget(f.mView);
                                anim.start();
                            }
                            container.addView(f.mView);
                        }
                        if (f.mHidden)
                            f.mView.setVisibility(View.GONE);
                        f.onViewCreated(f.mView, f.mSavedFragmentState);
                    }
                }

                f.performActivityCreated(f.mSavedFragmentState);
                if (f.mView != null) {
                    f.restoreViewState(f.mSavedFragmentState);
                }
                f.mSavedFragmentState = null;
            }
        case Fragment.ACTIVITY_CREATED:
        case Fragment.STOPPED:
            if (newState > Fragment.STOPPED) {
                if (DEBUG)
                    Log.v(TAG, "moveto STARTED: " + f);
                f.performStart();
            }
        case Fragment.STARTED:
            if (newState > Fragment.STARTED) {
                if (DEBUG)
                    Log.v(TAG, "moveto RESUMED: " + f);
                f.mResumed = true;
                f.performResume();
                // Get rid of this in case we saved it and never needed it.
                f.mSavedFragmentState = null;
                f.mSavedViewState = null;
            }
        }
    } else if (f.mState > newState) {
        switch (f.mState) {
        case Fragment.RESUMED:
            if (newState < Fragment.RESUMED) {
                if (DEBUG)
                    Log.v(TAG, "movefrom RESUMED: " + f);
                f.performPause();
                f.mResumed = false;
            }
        case Fragment.STARTED:
            if (newState < Fragment.STARTED) {
                if (DEBUG)
                    Log.v(TAG, "movefrom STARTED: " + f);
                f.performStop();
            }
        case Fragment.STOPPED:
        case Fragment.ACTIVITY_CREATED:
            if (newState < Fragment.ACTIVITY_CREATED) {
                if (DEBUG)
                    Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f);
                if (f.mView != null) {
                    // Need to save the current view state if not
                    // done already.
                    if (!mActivity.isFinishing() && f.mSavedViewState == null) {
                        saveFragmentViewState(f);
                    }
                }
                f.performDestroyView();
                if (f.mView != null && f.mContainer != null) {
                    Animator anim = null;
                    if (mCurState > Fragment.INITIALIZING && !mDestroyed) {
                        anim = loadAnimator(f, transit, false, transitionStyle);
                    }
                    if (anim != null) {
                        final ViewGroup container = f.mContainer;
                        final View view = f.mView;
                        final Fragment fragment = f;
                        container.startViewTransition(view);
                        f.mAnimatingAway = anim;
                        f.mStateAfterAnimating = newState;
                        anim.addListener(new AnimatorListenerAdapter() {
                            @Override
                            public void onAnimationEnd(Animator anim) {
                                container.endViewTransition(view);
                                if (fragment.mAnimatingAway != null) {
                                    fragment.mAnimatingAway = null;
                                    moveToState(fragment, fragment.mStateAfterAnimating, 0, 0, false);
                                }
                            }
                        });
                        anim.setTarget(f.mView);
                        anim.start();

                    }
                    f.mContainer.removeView(f.mView);
                }
                f.mContainer = null;
                f.mView = null;
            }
        case Fragment.CREATED:
            if (newState < Fragment.CREATED) {
                if (mDestroyed) {
                    if (f.mAnimatingAway != null) {
                        // The fragment's containing activity is
                        // being destroyed, but this fragment is
                        // currently animating away.  Stop the
                        // animation right now -- it is not needed,
                        // and we can't wait any more on destroying
                        // the fragment.
                        Animator anim = f.mAnimatingAway;
                        f.mAnimatingAway = null;
                        anim.cancel();
                    }
                }
                if (f.mAnimatingAway != null) {
                    // We are waiting for the fragment's view to finish
                    // animating away.  Just make a note of the state
                    // the fragment now should move to once the animation
                    // is done.
                    f.mStateAfterAnimating = newState;
                    newState = Fragment.CREATED;
                } else {
                    if (DEBUG)
                        Log.v(TAG, "movefrom CREATED: " + f);
                    if (!f.mRetaining) {
                        f.performDestroy();
                    }

                    f.mCalled = false;
                    f.onDetach();
                    if (!f.mCalled) {
                        throw new SuperNotCalledException(
                                "Fragment " + f + " did not call through to super.onDetach()");
                    }
                    if (!keepActive) {
                        if (!f.mRetaining) {
                            makeInactive(f);
                        } else {
                            f.mActivity = null;
                            f.mParentFragment = null;
                            f.mFragmentManager = null;
                        }
                    }
                }
            }
        }
    }

    f.mState = newState;
}

From source file:android.app.FragmentManager.java

void moveToState(Fragment f, int newState, int transit, int transitionStyle, boolean keepActive) {
    if (DEBUG && false)
        Log.v(TAG, "moveToState: " + f + " oldState=" + f.mState + " newState=" + newState + " mRemoving="
                + f.mRemoving + " Callers=" + Debug.getCallers(5));

    // Fragments that are not currently added will sit in the onCreate() state.
    if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) {
        newState = Fragment.CREATED;//from w  w w .jav a  2 s .c  o m
    }
    if (f.mRemoving && newState > f.mState) {
        // While removing a fragment, we can't change it to a higher state.
        newState = f.mState;
    }
    // Defer start if requested; don't allow it to move to STARTED or higher
    // if it's not already started.
    if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) {
        newState = Fragment.STOPPED;
    }
    if (f.mState < newState) {
        // For fragments that are created from a layout, when restoring from
        // state we don't want to allow them to be created until they are
        // being reloaded from the layout.
        if (f.mFromLayout && !f.mInLayout) {
            return;
        }
        if (f.mAnimatingAway != null) {
            // The fragment is currently being animated...  but!  Now we
            // want to move our state back up.  Give up on waiting for the
            // animation, move to whatever the final state should be once
            // the animation is done, and then we can proceed from there.
            f.mAnimatingAway = null;
            moveToState(f, f.mStateAfterAnimating, 0, 0, true);
        }
        switch (f.mState) {
        case Fragment.INITIALIZING:
            if (DEBUG)
                Log.v(TAG, "moveto CREATED: " + f);
            if (f.mSavedFragmentState != null) {
                f.mSavedViewState = f.mSavedFragmentState
                        .getSparseParcelableArray(FragmentManagerImpl.VIEW_STATE_TAG);
                f.mTarget = getFragment(f.mSavedFragmentState, FragmentManagerImpl.TARGET_STATE_TAG);
                if (f.mTarget != null) {
                    f.mTargetRequestCode = f.mSavedFragmentState
                            .getInt(FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0);
                }
                f.mUserVisibleHint = f.mSavedFragmentState.getBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG,
                        true);
                if (!f.mUserVisibleHint) {
                    f.mDeferStart = true;
                    if (newState > Fragment.STOPPED) {
                        newState = Fragment.STOPPED;
                    }
                }
            }
            f.mActivity = mActivity;
            f.mParentFragment = mParent;
            f.mFragmentManager = mParent != null ? mParent.mChildFragmentManager : mActivity.mFragments;
            f.mCalled = false;
            f.onAttach(mActivity);
            if (!f.mCalled) {
                throw new SuperNotCalledException(
                        "Fragment " + f + " did not call through to super.onAttach()");
            }
            if (f.mParentFragment == null) {
                mActivity.onAttachFragment(f);
            }

            if (!f.mRetaining) {
                f.performCreate(f.mSavedFragmentState);
            }
            f.mRetaining = false;
            if (f.mFromLayout) {
                // For fragments that are part of the content view
                // layout, we need to instantiate the view immediately
                // and the inflater will take care of adding it.
                f.mView = f.performCreateView(f.getLayoutInflater(f.mSavedFragmentState), null,
                        f.mSavedFragmentState);
                if (f.mView != null) {
                    f.mView.setSaveFromParentEnabled(false);
                    if (f.mHidden)
                        f.mView.setVisibility(View.GONE);
                    f.onViewCreated(f.mView, f.mSavedFragmentState);
                }
            }
        case Fragment.CREATED:
            if (newState > Fragment.CREATED) {
                if (DEBUG)
                    Log.v(TAG, "moveto ACTIVITY_CREATED: " + f);
                if (!f.mFromLayout) {
                    ViewGroup container = null;
                    if (f.mContainerId != 0) {
                        container = (ViewGroup) mContainer.findViewById(f.mContainerId);
                        if (container == null && !f.mRestored) {
                            throwException(new IllegalArgumentException(
                                    "No view found for id 0x" + Integer.toHexString(f.mContainerId) + " ("
                                            + f.getResources().getResourceName(f.mContainerId)
                                            + ") for fragment " + f));
                        }
                    }
                    f.mContainer = container;
                    f.mView = f.performCreateView(f.getLayoutInflater(f.mSavedFragmentState), container,
                            f.mSavedFragmentState);
                    if (f.mView != null) {
                        f.mView.setSaveFromParentEnabled(false);
                        if (container != null) {
                            Animator anim = loadAnimator(f, transit, true, transitionStyle);
                            if (anim != null) {
                                anim.setTarget(f.mView);
                                anim.start();
                            }
                            container.addView(f.mView);
                        }
                        if (f.mHidden)
                            f.mView.setVisibility(View.GONE);
                        f.onViewCreated(f.mView, f.mSavedFragmentState);
                    }
                }

                f.performActivityCreated(f.mSavedFragmentState);
                if (f.mView != null) {
                    f.restoreViewState(f.mSavedFragmentState);
                }
                f.mSavedFragmentState = null;
            }
        case Fragment.ACTIVITY_CREATED:
        case Fragment.STOPPED:
            if (newState > Fragment.STOPPED) {
                if (DEBUG)
                    Log.v(TAG, "moveto STARTED: " + f);
                f.performStart();
            }
        case Fragment.STARTED:
            if (newState > Fragment.STARTED) {
                if (DEBUG)
                    Log.v(TAG, "moveto RESUMED: " + f);
                f.mResumed = true;
                f.performResume();
                // Get rid of this in case we saved it and never needed it.
                f.mSavedFragmentState = null;
                f.mSavedViewState = null;
            }
        }
    } else if (f.mState > newState) {
        switch (f.mState) {
        case Fragment.RESUMED:
            if (newState < Fragment.RESUMED) {
                if (DEBUG)
                    Log.v(TAG, "movefrom RESUMED: " + f);
                f.performPause();
                f.mResumed = false;
            }
        case Fragment.STARTED:
            if (newState < Fragment.STARTED) {
                if (DEBUG)
                    Log.v(TAG, "movefrom STARTED: " + f);
                f.performStop();
            }
        case Fragment.STOPPED:
        case Fragment.ACTIVITY_CREATED:
            if (newState < Fragment.ACTIVITY_CREATED) {
                if (DEBUG)
                    Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f);
                if (f.mView != null) {
                    // Need to save the current view state if not
                    // done already.
                    if (!mActivity.isFinishing() && f.mSavedViewState == null) {
                        saveFragmentViewState(f);
                    }
                }
                f.performDestroyView();
                if (f.mView != null && f.mContainer != null) {
                    Animator anim = null;
                    if (mCurState > Fragment.INITIALIZING && !mDestroyed) {
                        anim = loadAnimator(f, transit, false, transitionStyle);
                    }
                    if (anim != null) {
                        final ViewGroup container = f.mContainer;
                        final View view = f.mView;
                        final Fragment fragment = f;
                        container.startViewTransition(view);
                        f.mAnimatingAway = anim;
                        f.mStateAfterAnimating = newState;
                        anim.addListener(new AnimatorListenerAdapter() {
                            @Override
                            public void onAnimationEnd(Animator anim) {
                                container.endViewTransition(view);
                                if (fragment.mAnimatingAway != null) {
                                    fragment.mAnimatingAway = null;
                                    moveToState(fragment, fragment.mStateAfterAnimating, 0, 0, false);
                                }
                            }
                        });
                        anim.setTarget(f.mView);
                        anim.start();

                    }
                    f.mContainer.removeView(f.mView);
                }
                f.mContainer = null;
                f.mView = null;
            }
        case Fragment.CREATED:
            if (newState < Fragment.CREATED) {
                if (mDestroyed) {
                    if (f.mAnimatingAway != null) {
                        // The fragment's containing activity is
                        // being destroyed, but this fragment is
                        // currently animating away.  Stop the
                        // animation right now -- it is not needed,
                        // and we can't wait any more on destroying
                        // the fragment.
                        Animator anim = f.mAnimatingAway;
                        f.mAnimatingAway = null;
                        anim.cancel();
                    }
                }
                if (f.mAnimatingAway != null) {
                    // We are waiting for the fragment's view to finish
                    // animating away.  Just make a note of the state
                    // the fragment now should move to once the animation
                    // is done.
                    f.mStateAfterAnimating = newState;
                    newState = Fragment.CREATED;
                } else {
                    if (DEBUG)
                        Log.v(TAG, "movefrom CREATED: " + f);
                    if (!f.mRetaining) {
                        f.performDestroy();
                    }

                    f.mCalled = false;
                    f.onDetach();
                    if (!f.mCalled) {
                        throw new SuperNotCalledException(
                                "Fragment " + f + " did not call through to super.onDetach()");
                    }
                    if (!keepActive) {
                        if (!f.mRetaining) {
                            makeInactive(f);
                        } else {
                            f.mActivity = null;
                            f.mParentFragment = null;
                            f.mFragmentManager = null;
                            f.mChildFragmentManager = null;
                        }
                    }
                }
            }
        }
    }

    f.mState = newState;
}

From source file:g7.bluesky.launcher3.Launcher.java

private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded,
        final AppsCustomizePagedView.ContentType contentType) {
    if (mStateAnimation != null) {
        mStateAnimation.setDuration(0);/*from www . ja  va  2  s .  c  o  m*/
        mStateAnimation.cancel();
        mStateAnimation = null;
    }

    boolean material = Utilities.isLmpOrAbove();

    final Resources res = getResources();

    final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime);
    final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime);
    final int revealDuration = res.getInteger(R.integer.config_appsCustomizeRevealTime);
    final int itemsAlphaStagger = res.getInteger(R.integer.config_appsCustomizeItemsAlphaStagger);

    final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor);
    final View fromView = mWorkspace;
    final AppsCustomizeTabHost toView = mAppsCustomizeTabHost;

    final ArrayList<View> layerViews = new ArrayList<View>();

    Workspace.State workspaceState = contentType == AppsCustomizePagedView.ContentType.Widgets
            ? Workspace.State.OVERVIEW_HIDDEN
            : Workspace.State.NORMAL_HIDDEN;
    Animator workspaceAnim = mWorkspace.getChangeStateAnimation(workspaceState, animated, layerViews);
    if (!LauncherAppState.isDisableAllApps() || contentType == AppsCustomizePagedView.ContentType.Widgets) {
        // Set the content type for the all apps/widgets space
        mAppsCustomizeTabHost.setContentTypeImmediate(contentType);
    }

    // If for some reason our views aren't initialized, don't animate
    boolean initialized = getAllAppsButton() != null;

    if (animated && initialized) {
        mStateAnimation = LauncherAnimUtils.createAnimatorSet();
        final AppsCustomizePagedView content = (AppsCustomizePagedView) toView
                .findViewById(R.id.apps_customize_pane_content);

        final View page = content.getPageAt(content.getCurrentPage());
        final View revealView = toView.findViewById(R.id.fake_page);

        final boolean isWidgetTray = contentType == AppsCustomizePagedView.ContentType.Widgets;
        if (isWidgetTray) {
            revealView.setBackground(ContextCompat.getDrawable(this, R.drawable.quantum_panel_dark));
        } else {
            revealView.setBackground(currentBgDrawable);
        }

        // Hide the real page background, and swap in the fake one
        content.setPageBackgroundsVisible(false);
        revealView.setVisibility(View.VISIBLE);
        // We need to hide this view as the animation start will be posted.
        revealView.setAlpha(0);

        int width = revealView.getMeasuredWidth();
        int height = revealView.getMeasuredHeight();
        float revealRadius = (float) Math.sqrt((width * width) / 4 + (height * height) / 4);

        revealView.setTranslationY(0);
        revealView.setTranslationX(0);

        // Get the y delta between the center of the page and the center of the all apps button
        int[] allAppsToPanelDelta = Utilities.getCenterDeltaInScreenSpace(revealView, getAllAppsButton(), null);

        float alpha = 0;
        float xDrift = 0;
        float yDrift = 0;
        if (material) {
            alpha = isWidgetTray ? 0.3f : 1f;
            yDrift = isWidgetTray ? height / 2 : allAppsToPanelDelta[1];
            xDrift = isWidgetTray ? 0 : allAppsToPanelDelta[0];
        } else {
            yDrift = 2 * height / 3;
            xDrift = 0;
        }
        final float initAlpha = alpha;

        revealView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        layerViews.add(revealView);
        PropertyValuesHolder panelAlpha = PropertyValuesHolder.ofFloat("alpha", initAlpha, 1f);
        PropertyValuesHolder panelDriftY = PropertyValuesHolder.ofFloat("translationY", yDrift, 0);
        PropertyValuesHolder panelDriftX = PropertyValuesHolder.ofFloat("translationX", xDrift, 0);

        ObjectAnimator panelAlphaAndDrift = ObjectAnimator.ofPropertyValuesHolder(revealView, panelAlpha,
                panelDriftY, panelDriftX);

        panelAlphaAndDrift.setDuration(revealDuration);
        panelAlphaAndDrift.setInterpolator(new LogDecelerateInterpolator(100, 0));

        mStateAnimation.play(panelAlphaAndDrift);

        if (page != null) {
            page.setVisibility(View.VISIBLE);
            page.setLayerType(View.LAYER_TYPE_HARDWARE, null);
            layerViews.add(page);

            ObjectAnimator pageDrift = ObjectAnimator.ofFloat(page, "translationY", yDrift, 0);
            page.setTranslationY(yDrift);
            pageDrift.setDuration(revealDuration);
            pageDrift.setInterpolator(new LogDecelerateInterpolator(100, 0));
            pageDrift.setStartDelay(itemsAlphaStagger);
            mStateAnimation.play(pageDrift);

            page.setAlpha(0f);
            ObjectAnimator itemsAlpha = ObjectAnimator.ofFloat(page, "alpha", 0f, 1f);
            itemsAlpha.setDuration(revealDuration);
            itemsAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
            itemsAlpha.setStartDelay(itemsAlphaStagger);
            mStateAnimation.play(itemsAlpha);
        }

        View pageIndicators = toView.findViewById(R.id.apps_customize_page_indicator);
        pageIndicators.setAlpha(0.01f);
        ObjectAnimator indicatorsAlpha = ObjectAnimator.ofFloat(pageIndicators, "alpha", 1f);
        indicatorsAlpha.setDuration(revealDuration);
        mStateAnimation.play(indicatorsAlpha);

        if (material) {
            final View allApps = getAllAppsButton();
            int allAppsButtonSize = LauncherAppState.getInstance().getDynamicGrid()
                    .getDeviceProfile().allAppsButtonVisualSize;
            float startRadius = isWidgetTray ? 0 : allAppsButtonSize / 2;
            Animator reveal = ViewAnimationUtils.createCircularReveal(revealView, width / 2, height / 2,
                    startRadius, revealRadius);
            reveal.setDuration(revealDuration);
            reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));

            reveal.addListener(new AnimatorListenerAdapter() {
                public void onAnimationStart(Animator animation) {
                    if (!isWidgetTray) {
                        allApps.setVisibility(View.INVISIBLE);
                    }
                }

                public void onAnimationEnd(Animator animation) {
                    if (!isWidgetTray) {
                        allApps.setVisibility(View.VISIBLE);
                    }
                }
            });
            mStateAnimation.play(reveal);
        }

        mStateAnimation.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                dispatchOnLauncherTransitionEnd(fromView, animated, false);
                dispatchOnLauncherTransitionEnd(toView, animated, false);

                revealView.setVisibility(View.INVISIBLE);
                revealView.setLayerType(View.LAYER_TYPE_NONE, null);
                if (page != null) {
                    page.setLayerType(View.LAYER_TYPE_NONE, null);
                }
                content.setPageBackgroundsVisible(true);

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

                // This can hold unnecessary references to views.
                mStateAnimation = null;
            }

        });

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

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

                revealView.setAlpha(initAlpha);
                if (Utilities.isLmpOrAbove()) {
                    for (int i = 0; i < layerViews.size(); i++) {
                        View v = layerViews.get(i);
                        if (v != null) {
                            if (Utilities.isViewAttachedToWindow(v))
                                v.buildLayer();
                        }
                    }
                }
                mStateAnimation.start();
            }
        };
        toView.bringToFront();
        toView.setVisibility(View.VISIBLE);
        toView.post(startAnimRunnable);
    } 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);
    }
}