com.android.launcher3.taskbar.TaskbarView.updateHotseatItems

//       移除任务栏抽屉入口
//        if (mAllAppsButton != null) {
//            int index = Utilities.isRtl(getResources()) ? 0 : getChildCount();
//            addView(mAllAppsButton, index);
//        }

com.android.launcher3.config.FeatureFlags

    public static final BooleanFlag ENABLE_ALL_APPS_IN_TASKBAR = getDebugFlag(
//          移除任务栏抽屉入口
//            "ENABLE_ALL_APPS_IN_TASKBAR", true,"ENABLE_ALL_APPS_IN_TASKBAR", false,"Enables accessing All Apps from the system Taskbar.");

完整代码

    /*** Inflates/binds the Hotseat views to s