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Example 81 with BubbleTextView

use of com.android.launcher3.BubbleTextView in project android_packages_apps_Launcher3 by ProtonAOSP.

the class LauncherBindableItemsContainer method updateWorkspaceItems.

/**
 * Called to update workspace items as a result of
 * {@link com.android.launcher3.model.BgDataModel.Callbacks#bindWorkspaceItemsChanged(List)}
 */
default void updateWorkspaceItems(List<WorkspaceItemInfo> shortcuts, ActivityContext context) {
    final HashSet<WorkspaceItemInfo> updates = new HashSet<>(shortcuts);
    ItemOperator op = (info, v) -> {
        if (v instanceof BubbleTextView && updates.contains(info)) {
            WorkspaceItemInfo si = (WorkspaceItemInfo) info;
            BubbleTextView shortcut = (BubbleTextView) v;
            Drawable oldIcon = shortcut.getIcon();
            boolean oldPromiseState = (oldIcon instanceof PreloadIconDrawable) && ((PreloadIconDrawable) oldIcon).hasNotCompleted();
            shortcut.applyFromWorkspaceItem(si, si.isPromise() != oldPromiseState);
        } else if (info instanceof FolderInfo && v instanceof FolderIcon) {
            ((FolderIcon) v).updatePreviewItems(updates::contains);
        }
        // Iterate all items
        return false;
    };
    mapOverItems(op);
    Folder openFolder = Folder.getOpen(context);
    if (openFolder != null) {
        openFolder.iterateOverItems(op);
    }
}
Also used : Folder(com.android.launcher3.folder.Folder) ActivityContext(com.android.launcher3.views.ActivityContext) ItemInfo(com.android.launcher3.model.data.ItemInfo) FolderIcon(com.android.launcher3.folder.FolderIcon) LauncherAppWidgetInfo(com.android.launcher3.model.data.LauncherAppWidgetInfo) PendingAppWidgetHostView(com.android.launcher3.widget.PendingAppWidgetHostView) Drawable(android.graphics.drawable.Drawable) BubbleTextView(com.android.launcher3.BubbleTextView) HashSet(java.util.HashSet) List(java.util.List) WorkspaceItemInfo(com.android.launcher3.model.data.WorkspaceItemInfo) FolderInfo(com.android.launcher3.model.data.FolderInfo) View(android.view.View) PreloadIconDrawable(com.android.launcher3.graphics.PreloadIconDrawable) FolderIcon(com.android.launcher3.folder.FolderIcon) Drawable(android.graphics.drawable.Drawable) PreloadIconDrawable(com.android.launcher3.graphics.PreloadIconDrawable) BubbleTextView(com.android.launcher3.BubbleTextView) Folder(com.android.launcher3.folder.Folder) FolderInfo(com.android.launcher3.model.data.FolderInfo) PreloadIconDrawable(com.android.launcher3.graphics.PreloadIconDrawable) WorkspaceItemInfo(com.android.launcher3.model.data.WorkspaceItemInfo) HashSet(java.util.HashSet)

Example 82 with BubbleTextView

use of com.android.launcher3.BubbleTextView in project Launcher3 by chislon.

the class LauncherTransitionable method onClick.

/**
 * Launches the intent referred by the clicked shortcut.
 *
 * @param v The view representing the clicked shortcut.
 */
public void onClick(View v) {
    // view has detached (it's possible for this to happen if the view is removed mid touch).
    if (v.getWindowToken() == null) {
        return;
    }
    if (!mWorkspace.isFinishedSwitchingState()) {
        return;
    }
    if (v instanceof Workspace) {
        if (mWorkspace.isInOverviewMode()) {
            mWorkspace.exitOverviewMode(true);
        }
        return;
    }
    if (v instanceof CellLayout) {
        if (mWorkspace.isInOverviewMode()) {
            mWorkspace.exitOverviewMode(mWorkspace.indexOfChild(v), true);
        }
    }
    Object tag = v.getTag();
    if (tag instanceof ShortcutInfo) {
        // Open shortcut
        final ShortcutInfo shortcut = (ShortcutInfo) tag;
        final Intent intent = shortcut.intent;
        // Check for special shortcuts
        if (intent.getComponent() != null) {
            final String shortcutClass = intent.getComponent().getClassName();
            if (shortcutClass.equals(WidgetAdder.class.getName())) {
                showAllApps(true, AppsCustomizePagedView.ContentType.Widgets, true);
                return;
            } else if (shortcutClass.equals(MemoryDumpActivity.class.getName())) {
                MemoryDumpActivity.startDump(this);
                return;
            } else if (shortcutClass.equals(ToggleWeightWatcher.class.getName())) {
                toggleShowWeightWatcher();
                return;
            }
        }
        // Start activities
        int[] pos = new int[2];
        v.getLocationOnScreen(pos);
        intent.setSourceBounds(new Rect(pos[0], pos[1], pos[0] + v.getWidth(), pos[1] + v.getHeight()));
        boolean success = startActivitySafely(v, intent, tag);
        mStats.recordLaunch(intent, shortcut);
        if (success && v instanceof BubbleTextView) {
            mWaitingForResume = (BubbleTextView) v;
            mWaitingForResume.setStayPressed(true);
        }
    } else if (tag instanceof FolderInfo) {
        if (v instanceof FolderIcon) {
            FolderIcon fi = (FolderIcon) v;
            handleFolderClick(fi);
        }
    } else if (v == mAllAppsButton) {
        if (isAllAppsVisible()) {
            showWorkspace(true);
        } else {
            onClickAllAppsButton(v);
        }
    }
}
Also used : Rect(android.graphics.Rect) Intent(android.content.Intent) RecognizerIntent(android.speech.RecognizerIntent) DragObject(com.android.launcher3.DropTarget.DragObject)

Example 83 with BubbleTextView

use of com.android.launcher3.BubbleTextView in project android_packages_apps_404Launcher by P-404.

the class QuickstepTransitionManager method getOpeningWindowAnimators.

/**
 * @return Animator that controls the window of the opening targets from app icons.
 */
private Animator getOpeningWindowAnimators(View v, RemoteAnimationTargetCompat[] appTargets, RemoteAnimationTargetCompat[] wallpaperTargets, RemoteAnimationTargetCompat[] nonAppTargets, Rect windowTargetBounds, boolean appTargetsAreTranslucent, int rotationChange) {
    RectF launcherIconBounds = new RectF();
    FloatingIconView floatingView = FloatingIconView.getFloatingIconView(mLauncher, v, !appTargetsAreTranslucent, launcherIconBounds, true);
    Rect crop = new Rect();
    Matrix matrix = new Matrix();
    RemoteAnimationTargets openingTargets = new RemoteAnimationTargets(appTargets, wallpaperTargets, nonAppTargets, MODE_OPENING);
    SurfaceTransactionApplier surfaceApplier = new SurfaceTransactionApplier(floatingView);
    openingTargets.addReleaseCheck(surfaceApplier);
    RemoteAnimationTargetCompat navBarTarget = openingTargets.getNavBarRemoteAnimationTarget();
    int[] dragLayerBounds = new int[2];
    mDragLayer.getLocationOnScreen(dragLayerBounds);
    final boolean hasSplashScreen;
    if (supportsSSplashScreen()) {
        int taskId = openingTargets.getFirstAppTargetTaskId();
        Pair<Integer, Integer> defaultParams = Pair.create(STARTING_WINDOW_TYPE_NONE, 0);
        Pair<Integer, Integer> taskParams = mTaskStartParams.getOrDefault(taskId, defaultParams);
        mTaskStartParams.remove(taskId);
        hasSplashScreen = taskParams.first == STARTING_WINDOW_TYPE_SPLASH_SCREEN;
    } else {
        hasSplashScreen = false;
    }
    AnimOpenProperties prop = new AnimOpenProperties(mLauncher.getResources(), mDeviceProfile, windowTargetBounds, launcherIconBounds, v, dragLayerBounds[0], dragLayerBounds[1], hasSplashScreen, floatingView.isDifferentFromAppIcon());
    int left = prop.cropCenterXStart - prop.cropWidthStart / 2;
    int top = prop.cropCenterYStart - prop.cropHeightStart / 2;
    int right = left + prop.cropWidthStart;
    int bottom = top + prop.cropHeightStart;
    // Set the crop here so we can calculate the corner radius below.
    crop.set(left, top, right, bottom);
    RectF floatingIconBounds = new RectF();
    RectF tmpRectF = new RectF();
    Point tmpPos = new Point();
    AnimatorSet animatorSet = new AnimatorSet();
    ValueAnimator appAnimator = ValueAnimator.ofFloat(0, 1);
    appAnimator.setDuration(APP_LAUNCH_DURATION);
    appAnimator.setInterpolator(LINEAR);
    appAnimator.addListener(floatingView);
    appAnimator.addListener(new AnimatorListenerAdapter() {

        @Override
        public void onAnimationEnd(Animator animation) {
            if (v instanceof BubbleTextView) {
                ((BubbleTextView) v).setStayPressed(false);
            }
            LauncherTaskbarUIController taskbarController = mLauncher.getTaskbarUIController();
            if (taskbarController != null) {
                taskbarController.showEdu();
            }
            openingTargets.release();
        }
    });
    final float initialWindowRadius = supportsRoundedCornersOnWindows(mLauncher.getResources()) ? Math.max(crop.width(), crop.height()) / 2f : 0f;
    final float finalWindowRadius = mDeviceProfile.isMultiWindowMode ? 0 : getWindowCornerRadius(mLauncher);
    final float finalShadowRadius = appTargetsAreTranslucent ? 0 : mMaxShadowRadius;
    MultiValueUpdateListener listener = new MultiValueUpdateListener() {

        FloatProp mDx = new FloatProp(0, prop.dX, 0, APP_LAUNCH_DURATION, mOpeningXInterpolator);

        FloatProp mDy = new FloatProp(0, prop.dY, 0, APP_LAUNCH_DURATION, mOpeningInterpolator);

        FloatProp mIconScaleToFitScreen = new FloatProp(prop.initialAppIconScale, prop.finalAppIconScale, 0, APP_LAUNCH_DURATION, mOpeningInterpolator);

        FloatProp mIconAlpha = new FloatProp(prop.iconAlphaStart, 0f, APP_LAUNCH_ALPHA_START_DELAY, APP_LAUNCH_ALPHA_DURATION, LINEAR);

        FloatProp mWindowRadius = new FloatProp(initialWindowRadius, finalWindowRadius, 0, APP_LAUNCH_DURATION, mOpeningInterpolator);

        FloatProp mShadowRadius = new FloatProp(0, finalShadowRadius, 0, APP_LAUNCH_DURATION, mOpeningInterpolator);

        FloatProp mCropRectCenterX = new FloatProp(prop.cropCenterXStart, prop.cropCenterXEnd, 0, APP_LAUNCH_DURATION, mOpeningInterpolator);

        FloatProp mCropRectCenterY = new FloatProp(prop.cropCenterYStart, prop.cropCenterYEnd, 0, APP_LAUNCH_DURATION, mOpeningInterpolator);

        FloatProp mCropRectWidth = new FloatProp(prop.cropWidthStart, prop.cropWidthEnd, 0, APP_LAUNCH_DURATION, mOpeningInterpolator);

        FloatProp mCropRectHeight = new FloatProp(prop.cropHeightStart, prop.cropHeightEnd, 0, APP_LAUNCH_DURATION, mOpeningInterpolator);

        FloatProp mNavFadeOut = new FloatProp(1f, 0f, 0, ANIMATION_NAV_FADE_OUT_DURATION, NAV_FADE_OUT_INTERPOLATOR);

        FloatProp mNavFadeIn = new FloatProp(0f, 1f, ANIMATION_DELAY_NAV_FADE_IN, ANIMATION_NAV_FADE_IN_DURATION, NAV_FADE_IN_INTERPOLATOR);

        @Override
        public void onUpdate(float percent, boolean initOnly) {
            // Calculate the size of the scaled icon.
            float iconWidth = launcherIconBounds.width() * mIconScaleToFitScreen.value;
            float iconHeight = launcherIconBounds.height() * mIconScaleToFitScreen.value;
            int left = (int) (mCropRectCenterX.value - mCropRectWidth.value / 2);
            int top = (int) (mCropRectCenterY.value - mCropRectHeight.value / 2);
            int right = (int) (left + mCropRectWidth.value);
            int bottom = (int) (top + mCropRectHeight.value);
            crop.set(left, top, right, bottom);
            final int windowCropWidth = crop.width();
            final int windowCropHeight = crop.height();
            if (rotationChange != 0) {
                Utilities.rotateBounds(crop, mDeviceProfile.widthPx, mDeviceProfile.heightPx, rotationChange);
            }
            // Scale the size of the icon to match the size of the window crop.
            float scaleX = iconWidth / windowCropWidth;
            float scaleY = iconHeight / windowCropHeight;
            float scale = Math.min(1f, Math.max(scaleX, scaleY));
            float scaledCropWidth = windowCropWidth * scale;
            float scaledCropHeight = windowCropHeight * scale;
            float offsetX = (scaledCropWidth - iconWidth) / 2;
            float offsetY = (scaledCropHeight - iconHeight) / 2;
            // Calculate the window position to match the icon position.
            tmpRectF.set(launcherIconBounds);
            tmpRectF.offset(dragLayerBounds[0], dragLayerBounds[1]);
            tmpRectF.offset(mDx.value, mDy.value);
            Utilities.scaleRectFAboutCenter(tmpRectF, mIconScaleToFitScreen.value);
            float windowTransX0 = tmpRectF.left - offsetX - crop.left * scale;
            float windowTransY0 = tmpRectF.top - offsetY - crop.top * scale;
            // Calculate the icon position.
            floatingIconBounds.set(launcherIconBounds);
            floatingIconBounds.offset(mDx.value, mDy.value);
            Utilities.scaleRectFAboutCenter(floatingIconBounds, mIconScaleToFitScreen.value);
            floatingIconBounds.left -= offsetX;
            floatingIconBounds.top -= offsetY;
            floatingIconBounds.right += offsetX;
            floatingIconBounds.bottom += offsetY;
            if (initOnly) {
                // For the init pass, we want full alpha since the window is not yet ready.
                floatingView.update(1f, 255, floatingIconBounds, percent, 0f, mWindowRadius.value * scale, true);
                return;
            }
            ArrayList<SurfaceParams> params = new ArrayList<>();
            for (int i = appTargets.length - 1; i >= 0; i--) {
                RemoteAnimationTargetCompat target = appTargets[i];
                SurfaceParams.Builder builder = new SurfaceParams.Builder(target.leash);
                if (target.mode == MODE_OPENING) {
                    matrix.setScale(scale, scale);
                    if (rotationChange == 1) {
                        matrix.postTranslate(windowTransY0, mDeviceProfile.widthPx - (windowTransX0 + scaledCropWidth));
                    } else if (rotationChange == 2) {
                        matrix.postTranslate(mDeviceProfile.widthPx - (windowTransX0 + scaledCropWidth), mDeviceProfile.heightPx - (windowTransY0 + scaledCropHeight));
                    } else if (rotationChange == 3) {
                        matrix.postTranslate(mDeviceProfile.heightPx - (windowTransY0 + scaledCropHeight), windowTransX0);
                    } else {
                        matrix.postTranslate(windowTransX0, windowTransY0);
                    }
                    floatingView.update(mIconAlpha.value, 255, floatingIconBounds, percent, 0f, mWindowRadius.value * scale, true);
                    builder.withMatrix(matrix).withWindowCrop(crop).withAlpha(1f - mIconAlpha.value).withCornerRadius(mWindowRadius.value).withShadowRadius(mShadowRadius.value);
                } else if (target.mode == MODE_CLOSING) {
                    if (target.localBounds != null) {
                        final Rect localBounds = target.localBounds;
                        tmpPos.set(target.localBounds.left, target.localBounds.top);
                    } else {
                        tmpPos.set(target.position.x, target.position.y);
                    }
                    final Rect crop = new Rect(target.screenSpaceBounds);
                    crop.offsetTo(0, 0);
                    if ((rotationChange % 2) == 1) {
                        int tmp = crop.right;
                        crop.right = crop.bottom;
                        crop.bottom = tmp;
                        tmp = tmpPos.x;
                        tmpPos.x = tmpPos.y;
                        tmpPos.y = tmp;
                    }
                    matrix.setTranslate(tmpPos.x, tmpPos.y);
                    builder.withMatrix(matrix).withWindowCrop(crop).withAlpha(1f);
                }
                params.add(builder.build());
            }
            if (navBarTarget != null) {
                final SurfaceParams.Builder navBuilder = new SurfaceParams.Builder(navBarTarget.leash);
                if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
                    matrix.setScale(scale, scale);
                    matrix.postTranslate(windowTransX0, windowTransY0);
                    navBuilder.withMatrix(matrix).withWindowCrop(crop).withAlpha(mNavFadeIn.value);
                } else {
                    navBuilder.withAlpha(mNavFadeOut.value);
                }
                params.add(navBuilder.build());
            }
            surfaceApplier.scheduleApply(params.toArray(new SurfaceParams[params.size()]));
        }
    };
    appAnimator.addUpdateListener(listener);
    // Since we added a start delay, call update here to init the FloatingIconView properly.
    listener.onUpdate(0, true);
    // flicker when it resets itself at the end of its animation.
    if (appTargetsAreTranslucent) {
        animatorSet.play(appAnimator);
    } else {
        animatorSet.playTogether(appAnimator, getBackgroundAnimator());
    }
    return animatorSet;
}
Also used : FloatingIconView(com.android.launcher3.views.FloatingIconView) FloatingIconView.getFloatingIconView(com.android.launcher3.views.FloatingIconView.getFloatingIconView) ArrayList(java.util.ArrayList) RemoteAnimationTargets(com.android.quickstep.RemoteAnimationTargets) AnimatorSet(android.animation.AnimatorSet) ValueAnimator(android.animation.ValueAnimator) MultiValueUpdateListener(com.android.quickstep.util.MultiValueUpdateListener) Matrix(android.graphics.Matrix) SurfaceTransactionApplier(com.android.quickstep.util.SurfaceTransactionApplier) AnimatorListenerAdapter(android.animation.AnimatorListenerAdapter) SurfaceParams(com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams) Rect(android.graphics.Rect) RemoteAnimationTargetCompat(com.android.systemui.shared.system.RemoteAnimationTargetCompat) Point(android.graphics.Point) Point(android.graphics.Point) RectF(android.graphics.RectF) ValueAnimator(android.animation.ValueAnimator) Animator(android.animation.Animator) ObjectAnimator(android.animation.ObjectAnimator) LauncherTaskbarUIController(com.android.launcher3.taskbar.LauncherTaskbarUIController)

Example 84 with BubbleTextView

use of com.android.launcher3.BubbleTextView in project android_packages_apps_404Launcher by P-404.

the class HotseatEduController method showHotseatArrowTip.

/**
 * Finds a child suitable child in hotseat and shows arrow tip pointing at it.
 *
 * @param usePinned used to determine target view. If true, will use the first matching pinned
 *                  item. Otherwise, will use the first predicted child
 * @param message   String to be shown inside the arrowView
 * @return whether suitable child was found and tip was shown
 */
private boolean showHotseatArrowTip(boolean usePinned, String message) {
    int childCount = mHotseat.getShortcutsAndWidgets().getChildCount();
    boolean isPortrait = !mLauncher.getDeviceProfile().isVerticalBarLayout();
    BubbleTextView tipTargetView = null;
    for (int i = childCount - 1; i > -1; i--) {
        int x = isPortrait ? i : 0;
        int y = isPortrait ? 0 : i;
        View v = mHotseat.getShortcutsAndWidgets().getChildAt(x, y);
        if (v instanceof BubbleTextView && v.getTag() instanceof WorkspaceItemInfo) {
            ItemInfo info = (ItemInfo) v.getTag();
            boolean isPinned = info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT;
            if (isPinned == usePinned) {
                tipTargetView = (BubbleTextView) v;
                break;
            }
        }
    }
    if (tipTargetView == null) {
        Log.e(TAG, "Unable to find suitable view for ArrowTip");
        return false;
    }
    Rect bounds = Utilities.getViewBounds(tipTargetView);
    new ArrowTipView(mLauncher).show(message, Gravity.END, bounds.centerX(), bounds.top);
    return true;
}
Also used : Rect(android.graphics.Rect) ItemInfo(com.android.launcher3.model.data.ItemInfo) WorkspaceItemInfo(com.android.launcher3.model.data.WorkspaceItemInfo) BubbleTextView(com.android.launcher3.BubbleTextView) BubbleTextView(com.android.launcher3.BubbleTextView) View(android.view.View) ArrowTipView(com.android.launcher3.views.ArrowTipView) ArrowTipView(com.android.launcher3.views.ArrowTipView) WorkspaceItemInfo(com.android.launcher3.model.data.WorkspaceItemInfo)

Example 85 with BubbleTextView

use of com.android.launcher3.BubbleTextView in project android_packages_apps_404Launcher by P-404.

the class TaskbarDragController method startInternalDrag.

private void startInternalDrag(BubbleTextView btv) {
    float iconScale = btv.getIcon().getAnimatedScale();
    // Clear the pressed state if necessary
    btv.clearFocus();
    btv.setPressed(false);
    btv.clearPressedBackground();
    final DragPreviewProvider previewProvider = new DragPreviewProvider(btv);
    final Drawable drawable = previewProvider.createDrawable();
    final float scale = previewProvider.getScaleAndPosition(drawable, mTempXY);
    int dragLayerX = mTempXY[0];
    int dragLayerY = mTempXY[1];
    Rect dragRect = new Rect();
    btv.getSourceVisualDragBounds(dragRect);
    dragLayerY += dragRect.top;
    DragOptions dragOptions = new DragOptions();
    dragOptions.preDragCondition = new DragOptions.PreDragCondition() {

        private DragView mDragView;

        @Override
        public boolean shouldStartDrag(double distanceDragged) {
            return mDragView != null && mDragView.isAnimationFinished();
        }

        @Override
        public void onPreDragStart(DropTarget.DragObject dragObject) {
            mDragView = dragObject.dragView;
        }

        @Override
        public void onPreDragEnd(DropTarget.DragObject dragObject, boolean dragStarted) {
            mDragView = null;
        }
    };
    if (FeatureFlags.ENABLE_TASKBAR_POPUP_MENU.get()) {
        PopupContainerWithArrow<TaskbarActivityContext> popupContainer = mControllers.taskbarPopupController.showForIcon(btv);
        if (popupContainer != null) {
            dragOptions.preDragCondition = popupContainer.createPreDragCondition();
        }
    }
    startDrag(drawable, /* view = */
    null, /* originalView = */
    btv, dragLayerX, dragLayerY, (View target, DropTarget.DragObject d, boolean success) -> {
    }, /* DragSource */
    (WorkspaceItemInfo) btv.getTag(), /* dragVisualizeOffset = */
    null, dragRect, scale * iconScale, scale, dragOptions);
}
Also used : Rect(android.graphics.Rect) DragPreviewProvider(com.android.launcher3.graphics.DragPreviewProvider) Drawable(android.graphics.drawable.Drawable) DragView(com.android.launcher3.dragndrop.DragView) DraggableView(com.android.launcher3.dragndrop.DraggableView) BubbleTextView(com.android.launcher3.BubbleTextView) View(android.view.View) AbstractFloatingView(com.android.launcher3.AbstractFloatingView) DragView(com.android.launcher3.dragndrop.DragView) Point(android.graphics.Point) DragOptions(com.android.launcher3.dragndrop.DragOptions) DropTarget(com.android.launcher3.DropTarget)

Aggregations

BubbleTextView (com.android.launcher3.BubbleTextView)157 View (android.view.View)82 Rect (android.graphics.Rect)62 Point (android.graphics.Point)61 Drawable (android.graphics.drawable.Drawable)60 WorkspaceItemInfo (com.android.launcher3.model.data.WorkspaceItemInfo)57 ItemInfo (com.android.launcher3.model.data.ItemInfo)56 SuppressLint (android.annotation.SuppressLint)48 ArrayList (java.util.ArrayList)43 CellLayout (com.android.launcher3.CellLayout)39 Animator (android.animation.Animator)36 AnimatorListenerAdapter (android.animation.AnimatorListenerAdapter)36 DragView (com.android.launcher3.dragndrop.DragView)34 FolderIcon (com.android.launcher3.folder.FolderIcon)34 Handler (android.os.Handler)33 ViewGroup (android.view.ViewGroup)30 DraggableView (com.android.launcher3.dragndrop.DraggableView)30 PreloadIconDrawable (com.android.launcher3.graphics.PreloadIconDrawable)30 AbstractFloatingView (com.android.launcher3.AbstractFloatingView)28 Folder (com.android.launcher3.folder.Folder)28