Examples with AlphaAnimation android.view.animation.AlphaAnimation used on opensource projects

Example 11 with AlphaAnimation

use of android.view.animation.AlphaAnimation in project android-betterpickers by code-troopers.

the class CalendarDatePickerDialogFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    Log.d(TAG, "onCreateView: ");
    if (getShowsDialog()) {
        getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
    }
    View view = inflater.inflate(R.layout.calendar_date_picker_dialog, container, false);
    mSelectedDateLayout = (LinearLayout) view.findViewById(R.id.day_picker_selected_date_layout);
    mDayOfWeekView = (TextView) view.findViewById(R.id.date_picker_header);
    mMonthAndDayView = (LinearLayout) view.findViewById(R.id.date_picker_month_and_day);
    mMonthAndDayView.setOnClickListener(this);
    mSelectedMonthTextView = (TextView) view.findViewById(R.id.date_picker_month);
    mSelectedDayTextView = (TextView) view.findViewById(R.id.date_picker_day);
    mYearView = (TextView) view.findViewById(R.id.date_picker_year);
    mYearView.setOnClickListener(this);
    int listPosition = -1;
    int listPositionOffset = 0;
    int currentView = MONTH_AND_DAY_VIEW;
    if (savedInstanceState != null) {
        mWeekStart = savedInstanceState.getInt(KEY_WEEK_START);
        mMinDate = new CalendarDay(savedInstanceState.getLong(KEY_DATE_START));
        mMaxDate = new CalendarDay(savedInstanceState.getLong(KEY_DATE_END));
        currentView = savedInstanceState.getInt(KEY_CURRENT_VIEW);
        listPosition = savedInstanceState.getInt(KEY_LIST_POSITION);
        listPositionOffset = savedInstanceState.getInt(KEY_LIST_POSITION_OFFSET);
        mStyleResId = savedInstanceState.getInt(KEY_THEME);
        mDisabledDays = savedInstanceState.getSparseParcelableArray(KEY_DISABLED_DAYS);
    }
    final Activity activity = getActivity();
    mDayPickerView = new SimpleDayPickerView(activity, this);
    mYearPickerView = new YearPickerView(activity, this);
    Resources res = getResources();
    TypedArray themeColors = getActivity().obtainStyledAttributes(mStyleResId, R.styleable.BetterPickersDialogs);
    mDayPickerDescription = res.getString(R.string.day_picker_description);
    mSelectDay = res.getString(R.string.select_day);
    mYearPickerDescription = res.getString(R.string.year_picker_description);
    mSelectYear = res.getString(R.string.select_year);
    int headerBackgroundColor = themeColors.getColor(R.styleable.BetterPickersDialogs_bpHeaderBackgroundColor, ContextCompat.getColor(getActivity(), R.color.bpWhite));
    int preHeaderBackgroundColor = themeColors.getColor(R.styleable.BetterPickersDialogs_bpPreHeaderBackgroundColor, ContextCompat.getColor(getActivity(), R.color.bpWhite));
    int bodyBgColor = themeColors.getColor(R.styleable.BetterPickersDialogs_bpBodyBackgroundColor, ContextCompat.getColor(getActivity(), R.color.bpWhite));
    int buttonBgColor = themeColors.getColor(R.styleable.BetterPickersDialogs_bpButtonsBackgroundColor, ContextCompat.getColor(getActivity(), R.color.bpWhite));
    int buttonTextColor = themeColors.getColor(R.styleable.BetterPickersDialogs_bpButtonsTextColor, ContextCompat.getColor(getActivity(), R.color.bpBlue));
    mSelectedColor = themeColors.getColor(R.styleable.BetterPickersDialogs_bpHeaderSelectedTextColor, ContextCompat.getColor(getActivity(), R.color.bpWhite));
    mUnselectedColor = themeColors.getColor(R.styleable.BetterPickersDialogs_bpHeaderUnselectedTextColor, ContextCompat.getColor(getActivity(), R.color.radial_gray_light));
    mAnimator = (AccessibleDateAnimator) view.findViewById(R.id.animator);
    mAnimator.addView(mDayPickerView);
    mAnimator.addView(mYearPickerView);
    mAnimator.setDateMillis(mCalendar.getTimeInMillis());
    // TODO: Replace with animation decided upon by the design team.
    Animation animation = new AlphaAnimation(0.0f, 1.0f);
    animation.setDuration(ANIMATION_DURATION);
    mAnimator.setInAnimation(animation);
    // TODO: Replace with animation decided upon by the design team.
    Animation animation2 = new AlphaAnimation(1.0f, 0.0f);
    animation2.setDuration(ANIMATION_DURATION);
    mAnimator.setOutAnimation(animation2);
    Button doneButton = (Button) view.findViewById(R.id.done_button);
    if (mDoneText != null) {
        doneButton.setText(mDoneText);
    }
    doneButton.setTextColor(buttonTextColor);
    doneButton.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            tryVibrate();
            if (mCallBack != null) {
                mCallBack.onDateSet(CalendarDatePickerDialogFragment.this, mCalendar.get(Calendar.YEAR), mCalendar.get(Calendar.MONTH), mCalendar.get(Calendar.DAY_OF_MONTH));
            }
            dismiss();
        }
    });
    Button cancelButton = (Button) view.findViewById(R.id.cancel_button);
    if (mCancelText != null) {
        cancelButton.setText(mCancelText);
    }
    cancelButton.setTextColor(buttonTextColor);
    cancelButton.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            tryVibrate();
            dismiss();
        }
    });
    view.findViewById(R.id.ok_cancel_buttons_layout).setBackgroundColor(buttonBgColor);
    updateDisplay(false);
    setCurrentView(currentView);
    if (listPosition != -1) {
        if (currentView == MONTH_AND_DAY_VIEW) {
            mDayPickerView.postSetSelection(listPosition);
        } else if (currentView == YEAR_VIEW) {
            mYearPickerView.postSetSelectionFromTop(listPosition, listPositionOffset);
        }
    }
    mHapticFeedbackController = new HapticFeedbackController(activity);
    mDayPickerView.setTheme(themeColors);
    mYearPickerView.setTheme(themeColors);
    mSelectedDateLayout.setBackgroundColor(headerBackgroundColor);
    mYearView.setBackgroundColor(headerBackgroundColor);
    mMonthAndDayView.setBackgroundColor(headerBackgroundColor);
    if (mDayOfWeekView != null) {
        mDayOfWeekView.setBackgroundColor(preHeaderBackgroundColor);
    }
    view.setBackgroundColor(bodyBgColor);
    mYearPickerView.setBackgroundColor(bodyBgColor);
    mDayPickerView.setBackgroundColor(bodyBgColor);
    return view;
}

Example 12 with AlphaAnimation

use of android.view.animation.AlphaAnimation in project android_frameworks_base by ResurrectionRemix.

the class AbsListView method setAnimation.

private View setAnimation(View view) {
    if (view == null) {
        return view;
    }
    int scrollY = 0;
    boolean down = false;
    Animation anim = null;
    try {
        scrollY = getChildAt(0).getTop();
    } catch (NullPointerException e) {
        scrollY = mPositionV;
    }
    if (mPositionV < scrollY) {
        down = true;
    }
    mPositionV = scrollY;
    switch(mListAnimationMode) {
        case 1:
            anim = new ScaleAnimation(0.5f, 1.0f, 0.5f, 1.0f);
            break;
        case 2:
            anim = new ScaleAnimation(0.5f, 1.0f, 0.5f, 1.0f, Animation.RELATIVE_TO_SELF, 1.0f, Animation.RELATIVE_TO_SELF, 1.0f);
            break;
        case 3:
            anim = new ScaleAnimation(0.5f, 1.0f, 0.5f, 1.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
            break;
        case 4:
            anim = new AlphaAnimation(0.0f, 1.0f);
            break;
        case 5:
            anim = new TranslateAnimation(0.0f, 0.0f, -mHeight, 0.0f);
            break;
        case 6:
            anim = new TranslateAnimation(0.0f, 0.0f, mHeight, 0.0f);
            break;
        case 7:
            if (down) {
                anim = new TranslateAnimation(0.0f, 0.0f, -mHeight, 0.0f);
            } else {
                anim = new TranslateAnimation(0.0f, 0.0f, mHeight, 0.0f);
            }
            break;
        case 8:
            if (down) {
                anim = new TranslateAnimation(0.0f, 0.0f, mHeight, 0.0f);
            } else {
                anim = new TranslateAnimation(0.0f, 0.0f, -mHeight, 0.0f);
            }
            break;
        case 9:
            anim = new TranslateAnimation(-mWidth, 0.0f, 0.0f, 0.0f);
            break;
        case 10:
            anim = new TranslateAnimation(mWidth, 0.0f, 0.0f, 0.0f);
            break;
    }
    if (mListAnimationInterpolatorMode == 0) {
        return applyAnimationToView(view, anim);
    }
    switch(mListAnimationInterpolatorMode) {
        case 1:
            anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.accelerate_interpolator));
            break;
        case 2:
            anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.decelerate_interpolator));
            break;
        case 3:
            anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.accelerate_decelerate_interpolator));
            break;
        case 4:
            anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.anticipate_interpolator));
            break;
        case 5:
            anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.overshoot_interpolator));
            break;
        case 6:
            anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.anticipate_overshoot_interpolator));
            break;
        case 7:
            anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.bounce_interpolator));
            break;
    }
    return applyAnimationToView(view, anim);
}

Example 13 with AlphaAnimation

use of android.view.animation.AlphaAnimation in project android_frameworks_base by ResurrectionRemix.

the class TransformsAndAnimationsActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.transforms_and_animations);
    button1 = (Button) findViewById(R.id.button1);
    button2 = (Button) findViewById(R.id.button2);
    button3 = (Button) findViewById(R.id.button3);
    button1a = (Button) findViewById(R.id.button1a);
    button2a = (Button) findViewById(R.id.button2a);
    button3a = (Button) findViewById(R.id.button3a);
    button1b = (Button) findViewById(R.id.button1b);
    button2b = (Button) findViewById(R.id.button2b);
    button3b = (Button) findViewById(R.id.button3b);
    button4 = (Button) findViewById(R.id.button4);
    button5 = (Button) findViewById(R.id.button5);
    button6 = (Button) findViewById(R.id.button6);
    button7 = (Button) findViewById(R.id.button7);
    button8 = (Button) findViewById(R.id.button8);
    layersNoneCB = (CheckBox) findViewById(R.id.layersNoneCB);
    layersHardwareCB = (CheckBox) findViewById(R.id.layersHwCB);
    layersSoftwareCB = (CheckBox) findViewById(R.id.layersSwCB);
    layersNoneCB.setOnCheckedChangeListener(new CheckBox.OnCheckedChangeListener() {

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (isChecked) {
                setLayerType(View.LAYER_TYPE_NONE);
                layersHardwareCB.setChecked(false);
                layersSoftwareCB.setChecked(false);
            }
        }
    });
    layersSoftwareCB.setOnCheckedChangeListener(new CheckBox.OnCheckedChangeListener() {

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (isChecked) {
                setLayerType(View.LAYER_TYPE_SOFTWARE);
                layersHardwareCB.setChecked(false);
                layersNoneCB.setChecked(false);
            }
        }
    });
    layersHardwareCB.setOnCheckedChangeListener(new CheckBox.OnCheckedChangeListener() {

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (isChecked) {
                setLayerType(View.LAYER_TYPE_HARDWARE);
                layersNoneCB.setChecked(false);
                layersSoftwareCB.setChecked(false);
            }
        }
    });
    button1a.setAlpha(.5f);
    button2a.setAlpha(.5f);
    button3a.setAlpha(.5f);
    button3.setTranslationX(50);
    button7.setTranslationX(50);
    button8.setTranslationX(50);
    final AlphaAnimation alphaAnim = new AlphaAnimation(1, 0);
    alphaAnim.setDuration(1000);
    alphaAnim.setRepeatCount(Animation.INFINITE);
    alphaAnim.setRepeatMode(Animation.REVERSE);
    final TranslateAnimation transAnim = new TranslateAnimation(0, -50, 0, 0);
    transAnim.setDuration(1000);
    transAnim.setRepeatCount(Animation.INFINITE);
    transAnim.setRepeatMode(Animation.REVERSE);
    getWindow().getDecorView().postDelayed(new Runnable() {

        @Override
        public void run() {
            button1.startAnimation(alphaAnim);
            button2.startAnimation(alphaAnim);
            button3.startAnimation(alphaAnim);
            button1a.startAnimation(alphaAnim);
            button2a.startAnimation(alphaAnim);
            button3a.startAnimation(alphaAnim);
            button1b.startAnimation(alphaAnim);
            button2b.startAnimation(alphaAnim);
            button3b.startAnimation(alphaAnim);
            startAnimator(button1b);
            startAnimator(button2b);
            startAnimator(button3b);
            button7.startAnimation(transAnim);
            button8.startAnimation(transAnim);
        }
    }, 2000);
}

Example 14 with AlphaAnimation

use of android.view.animation.AlphaAnimation in project android_frameworks_base by ResurrectionRemix.

the class AppTransition method createAspectScaledThumbnailEnterExitAnimationLocked.

/**
     * This alternate animation is created when we are doing a thumbnail transition, for the
     * activity that is leaving, and the activity that is entering.
     */
Animation createAspectScaledThumbnailEnterExitAnimationLocked(int thumbTransitState, int uiMode, int orientation, int transit, Rect containingFrame, Rect contentInsets, @Nullable Rect surfaceInsets, boolean freeform, int taskId) {
    Animation a;
    final int appWidth = containingFrame.width();
    final int appHeight = containingFrame.height();
    getDefaultNextAppTransitionStartRect(mTmpRect);
    final int thumbWidthI = mTmpRect.width();
    final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
    final int thumbHeightI = mTmpRect.height();
    final float thumbHeight = thumbHeightI > 0 ? thumbHeightI : 1;
    final int thumbStartX = mTmpRect.left - containingFrame.left - contentInsets.left;
    final int thumbStartY = mTmpRect.top - containingFrame.top;
    switch(thumbTransitState) {
        case THUMBNAIL_TRANSITION_ENTER_SCALE_UP:
        case THUMBNAIL_TRANSITION_EXIT_SCALE_DOWN:
            {
                final boolean scaleUp = thumbTransitState == THUMBNAIL_TRANSITION_ENTER_SCALE_UP;
                if (freeform && scaleUp) {
                    a = createAspectScaledThumbnailEnterFreeformAnimationLocked(containingFrame, surfaceInsets, taskId);
                } else if (freeform) {
                    a = createAspectScaledThumbnailExitFreeformAnimationLocked(containingFrame, surfaceInsets, taskId);
                } else {
                    AnimationSet set = new AnimationSet(true);
                    // In portrait, we scale to fit the width
                    mTmpFromClipRect.set(containingFrame);
                    mTmpToClipRect.set(containingFrame);
                    // Containing frame is in screen space, but we need the clip rect in the
                    // app space.
                    mTmpFromClipRect.offsetTo(0, 0);
                    mTmpToClipRect.offsetTo(0, 0);
                    // Exclude insets region from the source clip.
                    mTmpFromClipRect.inset(contentInsets);
                    mNextAppTransitionInsets.set(contentInsets);
                    if (shouldScaleDownThumbnailTransition(uiMode, orientation)) {
                        // We scale the width and clip to the top/left square
                        float scale = thumbWidth / (appWidth - contentInsets.left - contentInsets.right);
                        if (!mGridLayoutRecentsEnabled) {
                            int unscaledThumbHeight = (int) (thumbHeight / scale);
                            mTmpFromClipRect.bottom = mTmpFromClipRect.top + unscaledThumbHeight;
                        }
                        mNextAppTransitionInsets.set(contentInsets);
                        Animation scaleAnim = new ScaleAnimation(scaleUp ? scale : 1, scaleUp ? 1 : scale, scaleUp ? scale : 1, scaleUp ? 1 : scale, containingFrame.width() / 2f, containingFrame.height() / 2f + contentInsets.top);
                        final float targetX = (mTmpRect.left - containingFrame.left);
                        final float x = containingFrame.width() / 2f - containingFrame.width() / 2f * scale;
                        final float targetY = (mTmpRect.top - containingFrame.top);
                        final float y = containingFrame.height() / 2f - containingFrame.height() / 2f * scale;
                        final float startX = targetX - x;
                        final float startY = targetY - y;
                        Animation clipAnim = scaleUp ? new ClipRectAnimation(mTmpFromClipRect, mTmpToClipRect) : new ClipRectAnimation(mTmpToClipRect, mTmpFromClipRect);
                        Animation translateAnim = scaleUp ? createCurvedMotion(startX, 0, startY - contentInsets.top, 0) : createCurvedMotion(0, startX, 0, startY - contentInsets.top);
                        set.addAnimation(clipAnim);
                        set.addAnimation(scaleAnim);
                        set.addAnimation(translateAnim);
                    } else {
                        // In landscape, we don't scale at all and only crop
                        mTmpFromClipRect.bottom = mTmpFromClipRect.top + thumbHeightI;
                        mTmpFromClipRect.right = mTmpFromClipRect.left + thumbWidthI;
                        Animation clipAnim = scaleUp ? new ClipRectAnimation(mTmpFromClipRect, mTmpToClipRect) : new ClipRectAnimation(mTmpToClipRect, mTmpFromClipRect);
                        Animation translateAnim = scaleUp ? createCurvedMotion(thumbStartX, 0, thumbStartY - contentInsets.top, 0) : createCurvedMotion(0, thumbStartX, 0, thumbStartY - contentInsets.top);
                        set.addAnimation(clipAnim);
                        set.addAnimation(translateAnim);
                    }
                    a = set;
                    a.setZAdjustment(Animation.ZORDER_TOP);
                }
                break;
            }
        case THUMBNAIL_TRANSITION_EXIT_SCALE_UP:
            {
                // Previous app window during the scale up
                if (transit == TRANSIT_WALLPAPER_INTRA_OPEN) {
                    // Fade out the source activity if we are animating to a wallpaper
                    // activity.
                    a = new AlphaAnimation(1, 0);
                } else {
                    a = new AlphaAnimation(1, 1);
                }
                break;
            }
        case THUMBNAIL_TRANSITION_ENTER_SCALE_DOWN:
            {
                // Target app window during the scale down
                if (transit == TRANSIT_WALLPAPER_INTRA_OPEN) {
                    // Fade in the destination activity if we are animating from a wallpaper
                    // activity.
                    a = new AlphaAnimation(0, 1);
                } else {
                    a = new AlphaAnimation(1, 1);
                }
                break;
            }
        default:
            throw new RuntimeException("Invalid thumbnail transition state");
    }
    return prepareThumbnailAnimationWithDuration(a, appWidth, appHeight, getAspectScaleDuration(), getAspectScaleInterpolator());
}

Example 15 with AlphaAnimation

use of android.view.animation.AlphaAnimation in project android_frameworks_base by ResurrectionRemix.

the class AppTransition method createThumbnailAspectScaleAnimationLocked.

/**
     * This animation runs for the thumbnail that gets cross faded with the enter/exit activity
     * when a thumbnail is specified with the pending animation override.
     */
Animation createThumbnailAspectScaleAnimationLocked(Rect appRect, @Nullable Rect contentInsets, Bitmap thumbnailHeader, final int taskId, int uiMode, int orientation) {
    Animation a;
    final int thumbWidthI = thumbnailHeader.getWidth();
    final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
    final int thumbHeightI = thumbnailHeader.getHeight();
    final int appWidth = appRect.width();
    float scaleW = appWidth / thumbWidth;
    getNextAppTransitionStartRect(taskId, mTmpRect);
    final float fromX;
    float fromY;
    final float toX;
    float toY;
    final float pivotX;
    final float pivotY;
    if (shouldScaleDownThumbnailTransition(uiMode, orientation)) {
        fromX = mTmpRect.left;
        fromY = mTmpRect.top;
        // For the curved translate animation to work, the pivot points needs to be at the
        // same absolute position as the one from the real surface.
        toX = mTmpRect.width() / 2 * (scaleW - 1f) + appRect.left;
        toY = appRect.height() / 2 * (1 - 1 / scaleW) + appRect.top;
        pivotX = mTmpRect.width() / 2;
        pivotY = appRect.height() / 2 / scaleW;
        if (mGridLayoutRecentsEnabled) {
            // In the grid layout, the header is displayed above the thumbnail instead of
            // overlapping it.
            fromY -= thumbHeightI;
            toY -= thumbHeightI * scaleW;
        }
    } else {
        pivotX = 0;
        pivotY = 0;
        fromX = mTmpRect.left;
        fromY = mTmpRect.top;
        toX = appRect.left;
        toY = appRect.top;
    }
    final long duration = getAspectScaleDuration();
    final Interpolator interpolator = getAspectScaleInterpolator();
    if (mNextAppTransitionScaleUp) {
        // Animation up from the thumbnail to the full screen
        Animation scale = new ScaleAnimation(1f, scaleW, 1f, scaleW, pivotX, pivotY);
        scale.setInterpolator(interpolator);
        scale.setDuration(duration);
        Animation alpha = new AlphaAnimation(1f, 0f);
        alpha.setInterpolator(mNextAppTransition == TRANSIT_DOCK_TASK_FROM_RECENTS ? THUMBNAIL_DOCK_INTERPOLATOR : mThumbnailFadeOutInterpolator);
        alpha.setDuration(mNextAppTransition == TRANSIT_DOCK_TASK_FROM_RECENTS ? duration / 2 : duration);
        Animation translate = createCurvedMotion(fromX, toX, fromY, toY);
        translate.setInterpolator(interpolator);
        translate.setDuration(duration);
        mTmpFromClipRect.set(0, 0, thumbWidthI, thumbHeightI);
        mTmpToClipRect.set(appRect);
        // Containing frame is in screen space, but we need the clip rect in the
        // app space.
        mTmpToClipRect.offsetTo(0, 0);
        mTmpToClipRect.right = (int) (mTmpToClipRect.right / scaleW);
        mTmpToClipRect.bottom = (int) (mTmpToClipRect.bottom / scaleW);
        if (contentInsets != null) {
            mTmpToClipRect.inset((int) (-contentInsets.left * scaleW), (int) (-contentInsets.top * scaleW), (int) (-contentInsets.right * scaleW), (int) (-contentInsets.bottom * scaleW));
        }
        Animation clipAnim = new ClipRectAnimation(mTmpFromClipRect, mTmpToClipRect);
        clipAnim.setInterpolator(interpolator);
        clipAnim.setDuration(duration);
        // This AnimationSet uses the Interpolators assigned above.
        AnimationSet set = new AnimationSet(false);
        set.addAnimation(scale);
        if (!mGridLayoutRecentsEnabled) {
            // In the grid layout, the header should be shown for the whole animation.
            set.addAnimation(alpha);
        }
        set.addAnimation(translate);
        set.addAnimation(clipAnim);
        a = set;
    } else {
        // Animation down from the full screen to the thumbnail
        Animation scale = new ScaleAnimation(scaleW, 1f, scaleW, 1f, pivotX, pivotY);
        scale.setInterpolator(interpolator);
        scale.setDuration(duration);
        Animation alpha = new AlphaAnimation(0f, 1f);
        alpha.setInterpolator(mThumbnailFadeInInterpolator);
        alpha.setDuration(duration);
        Animation translate = createCurvedMotion(toX, fromX, toY, fromY);
        translate.setInterpolator(interpolator);
        translate.setDuration(duration);
        // This AnimationSet uses the Interpolators assigned above.
        AnimationSet set = new AnimationSet(false);
        set.addAnimation(scale);
        if (!mGridLayoutRecentsEnabled) {
            // In the grid layout, the header should be shown for the whole animation.
            set.addAnimation(alpha);
        }
        set.addAnimation(translate);
        a = set;
    }
    return prepareThumbnailAnimationWithDuration(a, appWidth, appRect.height(), 0, null);
}