Android launcher3后台任务中心竖屏默认显示横屏，热座椅显示竖屏默认横屏

/packages/apps/Launcher3/src/com/android/launcher3/DeviceProfile.java

**
     * When {@code true}, the device is in landscape mode and the hotseat is on the right column.
     * When {@code false}, either device is in portrait mode or the device is in landscape mode and
     * the hotseat is on the bottom row.
     */
    public boolean isVerticalBarLayout() {
        //*/show HotSeat in Bottom in Landscape &  quickstep app show landscape
         return false;
        /*/
        return isLandscape && transposeLayoutWithOrientation;
        //*/
    }
 

 如何调整桌面的图标和字体的间距大小和整个行宽高大小？

    private void updateIconSize(float scale, Resources res, DisplayMetrics dm) {
        // Workspace
        final boolean isVerticalLayout = isVerticalBarLayout();
        float invIconSizePx = isVerticalLayout ? inv.landscapeIconSize : inv.iconSize;
        iconSizePx = Math.max(1, (int) (ResourceUtils.pxFromDp(invIconSizePx, dm) * scale));
        iconTextSizePx = (int) (Utilities.pxFromSp(inv.iconTextSize, dm) * scale);
        iconDrawablePaddingPx = (int) (iconDrawablePaddingOriginalPx * scale);

        cellHeightPx = iconSizePx + iconDrawablePaddingPx
                + Utilities.calculateTextHeight(iconTextSizePx) + 20;//*/add increase cellHeightPx inner Workspace 1
        int cellYPadding = (getCellSize().y - cellHeightPx) / 2 + 10;//*/set padding about icon and text outer Workspace 2
        if (iconDrawablePaddingPx > cellYPadding && !isVerticalLayout
                && !isMultiWindowMode) {
            // Ensures that the label is closer to its corresponding icon. This is not an issue
            // with vertical bar layout or multi-window mode since the issue is handled separately
            // with their calls to {@link #adjustToHideWorkspaceLabels}.
            cellHeightPx -= (iconDrawablePaddingPx - cellYPadding);
            iconDrawablePaddingPx = cellYPadding;
        }
        cellWidthPx = iconSizePx + iconDrawablePaddingPx;

        // All apps
        allAppsIconTextSizePx = iconTextSizePx + 5;//*/add
        allAppsIconSizePx = iconSizePx + 3;//*/add 
        allAppsIconDrawablePaddingPx = iconDrawablePaddingPx + 5;//*/add inner Workspace 1
        allAppsCellHeightPx = getCellSize().y + 20;//*/add  outer Workspace 2

        if (isVerticalLayout) {
            // Always hide the Workspace text with vertical bar layout.
            adjustToHideWorkspaceLabels();
        }

        // Hotseat
        if (isVerticalLayout) {
            hotseatBarSizePx = iconSizePx + hotseatBarSidePaddingStartPx
                    + hotseatBarSidePaddingEndPx;
        }
        hotseatCellHeightPx = iconSizePx;

        if (!isVerticalLayout) {
            int expectedWorkspaceHeight = availableHeightPx - hotseatBarSizePx
                    - verticalDragHandleSizePx - edgeMarginPx;
            float minRequiredHeight = dropTargetBarSizePx + workspaceSpringLoadedBottomSpace;
            workspaceSpringLoadShrinkFactor = Math.min(
                    res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f,
                    1 - (minRequiredHeight / expectedWorkspaceHeight));
        } else {
            workspaceSpringLoadShrinkFactor =
                    res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f;
        }

        // Folder icon
        folderIconSizePx = IconNormalizer.getNormalizedCircleSize(iconSizePx);
        folderIconOffsetYPx = (iconSizePx - folderIconSizePx) / 2;
    }

 

原文地址：https://blog.csdn.net/qq_46687516/article/details/143751507

免责声明：本站文章内容转载自网络资源，如本站内容侵犯了原著者的合法权益，可联系本站删除。更多内容请关注自学内容网（zxcms.com）！