Example usage for android.animation AnimatorListenerAdapter AnimatorListenerAdapter

List of usage examples for android.animation AnimatorListenerAdapter AnimatorListenerAdapter

Introduction

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

Prototype

AnimatorListenerAdapter

Source Link

Usage

From source file:com.filemanager.free.activities.MainActivity.java

public void updatePath(@NonNull final String news, boolean results, int openmode, int folder_count,
        int file_count) {

    if (news.length() == 0)
        return;// w w  w.ja  v a2 s.co m
    if (news == null)
        return;
    if (openmode == 1 && news.startsWith("smb:/"))
        newPath = mainActivityHelper.parseSmbPath(news);
    else if (openmode == 2)
        newPath = mainActivityHelper.getIntegralNames(news);
    else
        newPath = news;
    final TextView bapath = (TextView) pathbar.findViewById(R.id.fullpath);
    final TextView animPath = (TextView) pathbar.findViewById(R.id.fullpath_anim);
    TextView textView = (TextView) pathbar.findViewById(R.id.pathname);
    if (!results) {
        textView.setText(folder_count + " " + getResources().getString(R.string.folders) + "" + " " + file_count
                + " " + getResources().getString(R.string.files));
    } else {
        bapath.setText(R.string.searchresults);
        textView.setText(R.string.empty);
        return;
    }
    final String oldPath = bapath.getText().toString();
    if (null != oldPath && oldPath.equals(newPath))
        return;

    // implement animation while setting text
    newPathBuilder = new StringBuffer().append(newPath);
    oldPathBuilder = new StringBuffer().append(oldPath);

    final Animation slideIn = AnimationUtils.loadAnimation(this, R.anim.slide_in);
    Animation slideOut = AnimationUtils.loadAnimation(this, R.anim.slide_out);

    if (newPath.length() > oldPath.length()
            && newPathBuilder.delete(oldPath.length(), newPath.length()).toString().equals(oldPath)
            && oldPath.length() != 0) {

        // navigate forward
        newPathBuilder.delete(0, newPathBuilder.length());
        newPathBuilder.append(newPath);
        newPathBuilder.delete(0, oldPath.length());
        animPath.setAnimation(slideIn);
        animPath.animate().setListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                super.onAnimationEnd(animation);
                new Handler().postDelayed(new Runnable() {
                    @Override
                    public void run() {

                        animPath.setVisibility(View.GONE);
                        bapath.setText(newPath);
                    }
                }, PATH_ANIM_END_DELAY);
            }

            @Override
            public void onAnimationStart(Animator animation) {
                super.onAnimationStart(animation);
                animPath.setVisibility(View.VISIBLE);
                animPath.setText(newPathBuilder.toString());
                //bapath.setText(oldPath);

                scroll.post(new Runnable() {
                    @Override
                    public void run() {
                        scroll1.fullScroll(View.FOCUS_RIGHT);
                    }
                });
            }

            @Override
            public void onAnimationCancel(Animator animation) {
                super.onAnimationCancel(animation);
                //onAnimationEnd(animation);
            }
        }).setStartDelay(PATH_ANIM_START_DELAY).start();
    } else if (newPath.length() < oldPath.length()
            && oldPathBuilder.delete(newPath.length(), oldPath.length()).toString().equals(newPath)) {

        // navigate backwards
        oldPathBuilder.delete(0, oldPathBuilder.length());
        oldPathBuilder.append(oldPath);
        oldPathBuilder.delete(0, newPath.length());
        animPath.setAnimation(slideOut);
        animPath.animate().setListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                super.onAnimationEnd(animation);
                animPath.setVisibility(View.GONE);
                bapath.setText(newPath);

                scroll.post(new Runnable() {
                    @Override
                    public void run() {
                        scroll1.fullScroll(View.FOCUS_RIGHT);
                    }
                });
            }

            @Override
            public void onAnimationStart(Animator animation) {
                super.onAnimationStart(animation);
                animPath.setVisibility(View.VISIBLE);
                animPath.setText(oldPathBuilder.toString());
                bapath.setText(newPath);

                scroll.post(new Runnable() {
                    @Override
                    public void run() {
                        scroll1.fullScroll(View.FOCUS_LEFT);
                    }
                });
            }
        }).setStartDelay(PATH_ANIM_START_DELAY).start();
    } else if (oldPath.isEmpty()) {

        // case when app starts
        // FIXME: COUNTER is incremented twice on app startup
        COUNTER++;
        if (COUNTER == 2) {

            animPath.setAnimation(slideIn);
            animPath.setText(newPath);
            animPath.animate().setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationStart(Animator animation) {
                    super.onAnimationStart(animation);
                    animPath.setVisibility(View.VISIBLE);
                    bapath.setText("");
                    scroll.post(new Runnable() {
                        @Override
                        public void run() {
                            scroll1.fullScroll(View.FOCUS_RIGHT);
                        }
                    });
                }

                @Override
                public void onAnimationEnd(Animator animation) {
                    super.onAnimationEnd(animation);
                    new Handler().postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            animPath.setVisibility(View.GONE);
                            bapath.setText(newPath);
                        }
                    }, PATH_ANIM_END_DELAY);
                }

                @Override
                public void onAnimationCancel(Animator animation) {
                    super.onAnimationCancel(animation);
                    //onAnimationEnd(animation);
                }
            }).setStartDelay(PATH_ANIM_START_DELAY).start();
        }

    } else {

        // completely different path
        // first slide out of old path followed by slide in of new path
        animPath.setAnimation(slideOut);
        animPath.animate().setListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationStart(Animator animator) {
                super.onAnimationStart(animator);
                animPath.setVisibility(View.VISIBLE);
                animPath.setText(oldPath);
                bapath.setText("");

                scroll.post(new Runnable() {
                    @Override
                    public void run() {
                        scroll1.fullScroll(View.FOCUS_LEFT);
                    }
                });
            }

            @Override
            public void onAnimationEnd(Animator animator) {
                super.onAnimationEnd(animator);

                //animPath.setVisibility(View.GONE);
                animPath.setText(newPath);
                bapath.setText("");
                animPath.setAnimation(slideIn);

                animPath.animate().setListener(new AnimatorListenerAdapter() {
                    @Override
                    public void onAnimationEnd(Animator animation) {
                        super.onAnimationEnd(animation);
                        new Handler().postDelayed(new Runnable() {
                            @Override
                            public void run() {
                                animPath.setVisibility(View.GONE);
                                bapath.setText(newPath);
                            }
                        }, PATH_ANIM_END_DELAY);
                    }

                    @Override
                    public void onAnimationStart(Animator animation) {
                        super.onAnimationStart(animation);
                        // we should not be having anything here in path bar
                        animPath.setVisibility(View.VISIBLE);
                        bapath.setText("");
                        scroll.post(new Runnable() {
                            @Override
                            public void run() {
                                scroll1.fullScroll(View.FOCUS_RIGHT);
                            }
                        });
                    }
                }).start();
            }

            @Override
            public void onAnimationCancel(Animator animation) {
                super.onAnimationCancel(animation);
                //onAnimationEnd(animation);
            }
        }).setStartDelay(PATH_ANIM_START_DELAY).start();
    }
}

From source file:cc.flydev.launcher.Page.java

void animateDragViewToOriginalPosition() {
    if (mDragView != null) {
        AnimatorSet anim = new AnimatorSet();
        anim.setDuration(REORDERING_DROP_REPOSITION_DURATION);
        anim.playTogether(ObjectAnimator.ofFloat(mDragView, "translationX", 0f),
                ObjectAnimator.ofFloat(mDragView, "translationY", 0f),
                ObjectAnimator.ofFloat(mDragView, "scaleX", 1f),
                ObjectAnimator.ofFloat(mDragView, "scaleY", 1f));
        anim.addListener(new AnimatorListenerAdapter() {
            @Override/*from  w ww  . j  av a 2s .c  o  m*/
            public void onAnimationEnd(Animator animation) {
                onPostReorderingAnimationCompleted();
            }
        });
        anim.start();
    }
}

From source file:com.amaze.filemanager.activities.MainActivity.java

public void crossfade() {

    // Set the content view to 0% opacity but visible, so that it is visible
    // (but fully transparent) during the animation.
    buttons.setAlpha(0f);/* w  w w.ja v  a  2s .co  m*/
    buttons.setVisibility(View.VISIBLE);

    // Animate the content view to 100% opacity, and clear any animation
    // listener set on the view.
    buttons.animate().alpha(1f).setDuration(100).setListener(null);
    pathbar.animate().alpha(0f).setDuration(100).setListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            pathbar.setVisibility(View.GONE);
        }
    });
    // Animate the loading view to 0% opacity. After the animation ends,
    // set its visibility to GONE as an optimization step (it won't
    // participate in layout passes, etc.)

}

From source file:com.amaze.filemanager.activities.MainActivity.java

void crossfadeInverse() {

    // Set the content view to 0% opacity but visible, so that it is visible
    // (but fully transparent) during the animation.

    pathbar.setAlpha(0f);/*  w  w w.j  a  va2 s  . c om*/
    pathbar.setVisibility(View.VISIBLE);

    // Animate the content view to 100% opacity, and clear any animation
    // listener set on the view.
    pathbar.animate().alpha(1f).setDuration(500).setListener(null);
    buttons.animate().alpha(0f).setDuration(500).setListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            buttons.setVisibility(View.GONE);
        }
    });
    // Animate the loading view to 0% opacity. After the animation ends,
    // set its visibility to GONE as an optimization step (it won't
    // participate in layout passes, etc.)
}

From source file:com.aliyun.homeshell.Folder.java

public void backFromSelectApps() {
    if (mRunningAnimatorSet != null) {
        if (mRunningIsShow) {
            mRunningAnimatorSet.end();/*www  . jav  a2 s  . c  o m*/
        } else {
            return;
        }
    }
    ObjectAnimator invisToVis = ObjectAnimator.ofFloat(this, "alpha", 0, 1);
    invisToVis.setDuration(mAnimatorDuration);
    ObjectAnimator visToInvisX = ObjectAnimator.ofFloat(mAppsSelectView, "scaleX", 1, 0);
    visToInvisX.setDuration(mAnimatorDuration);
    ObjectAnimator visToInvisY = ObjectAnimator.ofFloat(mAppsSelectView, "scaleY", 1, 0);
    visToInvisY.setDuration(mAnimatorDuration);
    List<Animator> animList = new ArrayList<Animator>();
    animList.add(invisToVis);
    animList.add(visToInvisX);
    animList.add(visToInvisY);
    final AnimatorSet as = new AnimatorSet();
    as.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationStart(Animator animator) {
            Folder.this.setVisibility(View.VISIBLE);
            mRunningAnimatorSet = as;
            mRunningIsShow = false;
            /*YUNOS BEGIN*/
            //##date:2014/06/27 ##author:yangshan.ys@alibaba-inc.com##BugID:132255
            //when back to folder from folderappsselectview ,prevent the mFolderName from getting focus 
            mFolderName.setFocusable(false);
            /* YUNOS END */
        }

        @Override
        public void onAnimationEnd(Animator animator) {
            mRunningAnimatorSet = null;
            mRunningIsShow = false;
            mAppsSelectView.setVisibility(View.INVISIBLE);
            Folder.this.setVisibility(View.VISIBLE);
            /*YUNOS BEGIN*/
            //##date:2014/06/27 ##author:yangshan.ys@alibaba-inc.com##BugID:132255
            //when back to folder from folderappsselectview ,prevent the mFolderName from getting focus 
            mFolderName.setFocusable(true);
            /*YUNOS BEGIN*/
            //##date:2014/06/27 ##author:yangshan.ys@alibaba-inc.com##BugID:133680
            //when back to folder from folderappsselectview, the folderName cannot be changed
            mFolderName.setFocusableInTouchMode(true);
            /* YUNOS END */
            /* YUNOS END */
            mIsEditingName = false;
        }
    });
    as.playTogether(animList);
    as.start();
}

From source file:com.android.leanlauncher.LauncherTransitionable.java

/**
 * Zoom the camera back into the workspace, hiding 'fromView'.
 * This is the opposite of showAppsCustomizeHelper.
 *
 * @param animated If true, the transition will be animated.
 *///from  w w w.jav a2  s  .c  o m
private void hideAppsCustomizeHelper(Workspace.State toState, final boolean animated,
        final boolean springLoaded, final Runnable onCompleteRunnable) {

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

    boolean material = Utilities.isLmpOrAbove();
    Resources res = getResources();

    final int revealDuration = res.getInteger(R.integer.config_appsCustomizeConcealTime);
    final int itemsAlphaStagger = res.getInteger(R.integer.config_appsCustomizeItemsAlphaStagger);

    final View fromView = mAppsCustomizeTabHost;
    final View toView = mWorkspace;
    Animator workspaceAnim = null;
    final ArrayList<View> layerViews = new ArrayList<View>();

    if (toState == Workspace.State.NORMAL) {
        workspaceAnim = mWorkspace.getChangeStateAnimation(toState, animated, layerViews);
    } else if (toState == Workspace.State.SPRING_LOADED || toState == Workspace.State.OVERVIEW) {
        workspaceAnim = mWorkspace.getChangeStateAnimation(toState, animated, layerViews);
    }

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

    if (animated && initialized) {
        mStateAnimation = LauncherAnimUtils.createAnimatorSet();
        if (workspaceAnim != null) {
            mStateAnimation.play(workspaceAnim);
        }

        final AppsCustomizePagedView content = (AppsCustomizePagedView) fromView
                .findViewById(R.id.apps_customize_pane_content);

        final View page = content.getPageAt(content.getNextPage());

        // We need to hide side pages of the Apps / Widget tray to avoid some ugly edge cases
        int count = content.getChildCount();
        for (int i = 0; i < count; i++) {
            View child = content.getChildAt(i);
            if (child != page) {
                child.setVisibility(View.INVISIBLE);
            }
        }
        final View revealView = fromView.findViewById(R.id.fake_page);

        // hideAppsCustomizeHelper is called in some cases when it is already hidden
        // don't perform all these no-op animations. In particularly, this was causing
        // the all-apps button to pop in and out.
        if (fromView.getVisibility() == View.VISIBLE) {
            AppsCustomizePagedView.ContentType contentType = content.getContentType();
            final boolean isWidgetTray = contentType == AppsCustomizePagedView.ContentType.Widgets;

            revealView.setBackgroundColor(getResources().getColor(R.color.widget_text_panel));

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

            // Hide the real page background, and swap in the fake one
            revealView.setVisibility(View.VISIBLE);
            content.setPageBackgroundsVisible(false);

            final View allAppsButton = getAllAppsButton();
            revealView.setTranslationY(0);
            int[] allAppsToPanelDelta = Utilities.getCenterDeltaInScreenSpace(revealView, allAppsButton, null);

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

            revealView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
            TimeInterpolator decelerateInterpolator = material ? new LogDecelerateInterpolator(100, 0)
                    : new DecelerateInterpolator(1f);

            // The vertical motion of the apps panel should be delayed by one frame
            // from the conceal animation in order to give the right feel. We correpsondingly
            // shorten the duration so that the slide and conceal end at the same time.
            ObjectAnimator panelDriftY = LauncherAnimUtils.ofFloat(revealView, "translationY", 0, yDrift);
            panelDriftY.setDuration(revealDuration - SINGLE_FRAME_DELAY);
            panelDriftY.setStartDelay(itemsAlphaStagger + SINGLE_FRAME_DELAY);
            panelDriftY.setInterpolator(decelerateInterpolator);
            mStateAnimation.play(panelDriftY);

            ObjectAnimator panelDriftX = LauncherAnimUtils.ofFloat(revealView, "translationX", 0, xDrift);
            panelDriftX.setDuration(revealDuration - SINGLE_FRAME_DELAY);
            panelDriftX.setStartDelay(itemsAlphaStagger + SINGLE_FRAME_DELAY);
            panelDriftX.setInterpolator(decelerateInterpolator);
            mStateAnimation.play(panelDriftX);

            if (isWidgetTray || !material) {
                float finalAlpha = material ? 0.4f : 0f;
                revealView.setAlpha(1f);
                ObjectAnimator panelAlpha = LauncherAnimUtils.ofFloat(revealView, "alpha", 1f, finalAlpha);
                panelAlpha.setDuration(material ? revealDuration : 150);
                panelAlpha.setInterpolator(decelerateInterpolator);
                panelAlpha.setStartDelay(material ? 0 : itemsAlphaStagger + SINGLE_FRAME_DELAY);
                mStateAnimation.play(panelAlpha);
            }

            if (page != null) {
                page.setLayerType(View.LAYER_TYPE_HARDWARE, null);

                ObjectAnimator pageDrift = LauncherAnimUtils.ofFloat(page, "translationY", 0, yDrift);
                page.setTranslationY(0);
                pageDrift.setDuration(revealDuration - SINGLE_FRAME_DELAY);
                pageDrift.setInterpolator(decelerateInterpolator);
                pageDrift.setStartDelay(itemsAlphaStagger + SINGLE_FRAME_DELAY);
                mStateAnimation.play(pageDrift);

                page.setAlpha(1f);
                ObjectAnimator itemsAlpha = LauncherAnimUtils.ofFloat(page, "alpha", 1f, 0f);
                itemsAlpha.setDuration(100);
                itemsAlpha.setInterpolator(decelerateInterpolator);
                mStateAnimation.play(itemsAlpha);
            }

            View pageIndicators = fromView.findViewById(R.id.apps_customize_page_indicator);
            pageIndicators.setAlpha(1f);
            ObjectAnimator indicatorsAlpha = LauncherAnimUtils.ofFloat(pageIndicators, "alpha", 0f);
            indicatorsAlpha.setDuration(revealDuration);
            indicatorsAlpha.setInterpolator(new DecelerateInterpolator(1.5f));
            mStateAnimation.play(indicatorsAlpha);

            width = revealView.getMeasuredWidth();

            if (material) {
                if (!isWidgetTray) {
                    allAppsButton.setVisibility(View.INVISIBLE);
                }
                int allAppsButtonSize = LauncherAppState.getInstance().getDynamicGrid()
                        .getDeviceProfile().allAppsButtonVisualSize;
                float finalRadius = isWidgetTray ? 0 : allAppsButtonSize / 2;
                Animator reveal = LauncherAnimUtils.createCircularReveal(revealView, width / 2, height / 2,
                        revealRadius, finalRadius);
                reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));
                reveal.setDuration(revealDuration);
                reveal.setStartDelay(itemsAlphaStagger);

                reveal.addListener(new AnimatorListenerAdapter() {
                    public void onAnimationEnd(Animator animation) {
                        revealView.setVisibility(View.INVISIBLE);
                        if (!isWidgetTray) {
                            allAppsButton.setVisibility(View.VISIBLE);
                        }
                    }
                });

                mStateAnimation.play(reveal);
            }

            dispatchOnLauncherTransitionPrepare(fromView, animated, true);
            dispatchOnLauncherTransitionPrepare(toView, animated, true);
            mAppsCustomizeContent.stopScrolling();
        }

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

                revealView.setLayerType(View.LAYER_TYPE_NONE, null);
                if (page != null) {
                    page.setLayerType(View.LAYER_TYPE_NONE, null);
                }
                content.setPageBackgroundsVisible(true);
                // Unhide side pages
                int count = content.getChildCount();
                for (int i = 0; i < count; i++) {
                    View child = content.getChildAt(i);
                    child.setVisibility(View.VISIBLE);
                }

                // Reset page transforms
                if (page != null) {
                    page.setTranslationX(0);
                    page.setTranslationY(0);
                    page.setAlpha(1);
                }
                content.setCurrentPage(content.getNextPage());

                mAppsCustomizeContent.updateCurrentPageScroll();

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

        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);

                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();
            }
        };
        fromView.post(startAnimRunnable);
    } else {
        fromView.setVisibility(View.GONE);
        dispatchOnLauncherTransitionPrepare(fromView, animated, true);
        dispatchOnLauncherTransitionStart(fromView, animated, true);
        dispatchOnLauncherTransitionEnd(fromView, animated, true);
        dispatchOnLauncherTransitionPrepare(toView, animated, true);
        dispatchOnLauncherTransitionStart(toView, animated, true);
        dispatchOnLauncherTransitionEnd(toView, animated, true);
    }
}

From source file: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  w  ww .j  a  v a  2s .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);
        }
    }

    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.amaze.filemanager.activities.MainActivity.java

void revealShow(final View view, boolean reveal) {

    if (reveal) {
        ObjectAnimator animator = ObjectAnimator.ofFloat(view, View.ALPHA, 0f, 1f);
        animator.setDuration(300); //ms
        animator.addListener(new AnimatorListenerAdapter() {
            @Override/*w ww .j  ava  2 s. c  o  m*/
            public void onAnimationStart(Animator animation) {
                view.setVisibility(View.VISIBLE);
            }
        });
        animator.start();
    } else {

        ObjectAnimator animator = ObjectAnimator.ofFloat(view, View.ALPHA, 1f, 0f);
        animator.setDuration(300); //ms
        animator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                view.setVisibility(View.GONE);
            }
        });
        animator.start();

    }

}

From source file:com.android.launcher2.Launcher.java

/**
 * Zoom the camera out from the workspace to reveal 'toView'.
 * Assumes that the view to show is anchored at either the very top or very bottom
 * of the screen.// w w  w.j a v a2 s . c  o m
 */
private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded) {
    if (mStateAnimation != null) {
        mStateAnimation.cancel();
        mStateAnimation = null;
    }
    final Resources res = getResources();

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

    setPivotsForZoom(toView, scale);

    // Shrink workspaces away if going to AppsCustomize from workspace
    Animator workspaceAnim = mWorkspace.getChangeStateAnimation(Workspace.State.SMALL, animated);

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

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

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

        mStateAnimation.addListener(new AnimatorListenerAdapter() {
            boolean animationCancelled = false;

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

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

                if (mWorkspace != null && !springLoaded && !LauncherApplication.isScreenLarge()) {
                    // Hide the workspace scrollbar
                    mWorkspace.hideScrollingIndicator(true);
                    hideDockDivider();
                }
                if (!animationCancelled) {
                    updateWallpaperVisibility(false);
                }

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

            @Override
            public void onAnimationCancel(Animator animation) {
                animationCancelled = true;
            }
        });

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

        boolean delayAnim = false;
        final ViewTreeObserver observer;

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

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

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

        if (!springLoaded && !LauncherApplication.isScreenLarge()) {
            // Hide the workspace scrollbar
            mWorkspace.hideScrollingIndicator(true);
            hideDockDivider();

            // 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);
        updateWallpaperVisibility(false);
    }
}

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 w w w.  j a  v a2 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;
}