Good riddance UserEventDispatcher

Bug: 165675920
Bug: 161381246

TL;DR;;
- nano -> lite proto
- add all the missing logs to WW
- pin item related logging fix
- Removed logging for assistant

sgrep "com.android.launcher3.userevent.nano." | cut -f1 -d: | xargs sed -i -e 's/userevent\.nano\./userevent\./g'

Change-Id: Ie2a49fdd891cacbd7ef40a1dc9e41ff0574c7517
diff --git a/src/com/android/launcher3/BaseActivity.java b/src/com/android/launcher3/BaseActivity.java
index 310c306..5e50e27 100644
--- a/src/com/android/launcher3/BaseActivity.java
+++ b/src/com/android/launcher3/BaseActivity.java
@@ -37,8 +37,6 @@
 
 import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
 import com.android.launcher3.logging.StatsLogManager;
-import com.android.launcher3.logging.UserEventDispatcher;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.ViewCache;
 import com.android.launcher3.views.ActivityContext;
@@ -82,7 +80,6 @@
             new ArrayList<>();
 
     protected DeviceProfile mDeviceProfile;
-    protected UserEventDispatcher mUserEventDispatcher;
     protected StatsLogManager mStatsLogManager;
     protected SystemUiController mSystemUiController;
 
@@ -144,8 +141,6 @@
         return mDeviceProfile;
     }
 
-    public void modifyUserEvent(LauncherLogProto.LauncherEvent event) {}
-
     public final StatsLogManager getStatsLogManager() {
         if (mStatsLogManager == null) {
             mStatsLogManager = StatsLogManager.newInstance(this);
@@ -153,13 +148,6 @@
         return mStatsLogManager;
     }
 
-    public final UserEventDispatcher getUserEventDispatcher() {
-        if (mUserEventDispatcher == null) {
-            mUserEventDispatcher = UserEventDispatcher.newInstance(this);
-        }
-        return mUserEventDispatcher;
-    }
-
     public SystemUiController getSystemUiController() {
         if (mSystemUiController == null) {
             mSystemUiController = new SystemUiController(getWindow());
diff --git a/src/com/android/launcher3/ButtonDropTarget.java b/src/com/android/launcher3/ButtonDropTarget.java
index 09827d6..df005e6 100644
--- a/src/com/android/launcher3/ButtonDropTarget.java
+++ b/src/com/android/launcher3/ButtonDropTarget.java
@@ -47,7 +47,6 @@
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.dragndrop.DragView;
 import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.Thunk;
 
@@ -395,6 +394,4 @@
                 TextUtils.TruncateAt.END);
         return !mText.equals(displayedText);
     }
-
-    public abstract Target getDropTargetForLogging();
 }
diff --git a/src/com/android/launcher3/DeleteDropTarget.java b/src/com/android/launcher3/DeleteDropTarget.java
index 2857497..cc119c9 100644
--- a/src/com/android/launcher3/DeleteDropTarget.java
+++ b/src/com/android/launcher3/DeleteDropTarget.java
@@ -18,8 +18,7 @@
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DROPPED_ON_CANCEL;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DROPPED_ON_REMOVE;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch.TAP;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.ControlType.UNDO;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_UNDO;
 
 import android.content.Context;
 import android.text.TextUtils;
@@ -28,22 +27,19 @@
 
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.dragndrop.DragOptions;
-import com.android.launcher3.logging.LoggerUtils;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.ModelWriter;
 import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.views.Snackbar;
 
 public class DeleteDropTarget extends ButtonDropTarget {
 
     private final StatsLogManager mStatsLogManager;
 
-    private int mControlType = ControlType.DEFAULT_CONTROLTYPE;
+    private StatsLogManager.LauncherEvent mLauncherEvent;
 
     public DeleteDropTarget(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
@@ -115,8 +111,8 @@
      * Set mControlType depending on the drag item.
      */
     private void setControlTypeBasedOnDragSource(ItemInfo item) {
-        mControlType = item.id != ItemInfo.NO_ID ? ControlType.REMOVE_TARGET
-                : ControlType.CANCEL_TARGET;
+        mLauncherEvent = item.id != ItemInfo.NO_ID ? LAUNCHER_ITEM_DROPPED_ON_REMOVE
+                : LAUNCHER_ITEM_DROPPED_ON_CANCEL;
     }
 
     @Override
@@ -127,8 +123,7 @@
         }
         super.onDrop(d, options);
         mStatsLogManager.logger().withInstanceId(d.logInstanceId)
-                .log(mControlType == ControlType.REMOVE_TARGET ? LAUNCHER_ITEM_DROPPED_ON_REMOVE
-                        : LAUNCHER_ITEM_DROPPED_ON_CANCEL);
+                .log(mLauncherEvent);
     }
 
     @Override
@@ -141,7 +136,7 @@
             Runnable onUndoClicked = () -> {
                 mLauncher.setPageToBindSynchronously(itemPage);
                 modelWriter.abortDelete();
-                mLauncher.getUserEventDispatcher().logActionOnControl(TAP, UNDO);
+                mLauncher.getStatsLogManager().logger().log(LAUNCHER_UNDO);
             };
             Snackbar.show(mLauncher, R.string.item_removed, R.string.undo,
                     modelWriter::commitDelete, onUndoClicked);
@@ -161,11 +156,4 @@
         mLauncher.getDragLayer()
                 .announceForAccessibility(getContext().getString(R.string.item_removed));
     }
-
-    @Override
-    public Target getDropTargetForLogging() {
-        Target t = LoggerUtils.newTarget(Target.Type.CONTROL);
-        t.controlType = mControlType;
-        return t;
-    }
 }
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 51f3819..6547b53 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -16,8 +16,6 @@
 
 package com.android.launcher3;
 
-import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
-
 import android.content.Context;
 import android.graphics.Rect;
 import android.util.AttributeSet;
@@ -27,14 +25,10 @@
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
-import com.android.launcher3.logging.StatsLogUtils.LogContainerProvider;
-import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
-
-import java.util.ArrayList;
-
-public class Hotseat extends CellLayout implements LogContainerProvider, Insettable {
+/**
+ * View class that represents the bottom row of the home screen.
+ */
+public class Hotseat extends CellLayout implements Insettable {
 
     @ViewDebug.ExportedProperty(category = "launcher")
     private boolean mHasVerticalHotseat;
@@ -79,15 +73,6 @@
     }
 
     @Override
-    public void fillInLogContainerData(ItemInfo childInfo, Target child,
-            ArrayList<Target> parents) {
-        child.rank = childInfo.rank;
-        child.gridX = childInfo.cellX;
-        child.gridY = childInfo.cellY;
-        parents.add(newContainerTarget(LauncherLogProto.ContainerType.HOTSEAT));
-    }
-
-    @Override
     public void setInsets(Rect insets) {
         FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) getLayoutParams();
         DeviceProfile grid = mActivity.getDeviceProfile();
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 1cf2e89..4b75a33 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -37,11 +37,10 @@
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_LAUNCHER_LOAD;
-import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
+import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ONRESUME;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ONSTOP;
-import static com.android.launcher3.logging.StatsLogManager.containerTypeToAtomState;
 import static com.android.launcher3.model.ItemInstallQueue.FLAG_ACTIVITY_PAUSED;
 import static com.android.launcher3.model.ItemInstallQueue.FLAG_DRAG_AND_DROP;
 import static com.android.launcher3.model.ItemInstallQueue.FLAG_LOADER_RUNNING;
@@ -127,7 +126,6 @@
 import com.android.launcher3.logger.LauncherAtom;
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.logging.StatsLogManager;
-import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.model.ItemInstallQueue;
 import com.android.launcher3.model.ModelUtils;
@@ -155,9 +153,6 @@
 import com.android.launcher3.touch.AllAppsSwipeController;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.ActivityResultInfo;
 import com.android.launcher3.util.ActivityTracker;
 import com.android.launcher3.util.ComponentKey;
@@ -561,7 +556,6 @@
     }
 
     private void onIdpChanged(InvariantDeviceProfile idp) {
-        mUserEventDispatcher = null;
 
         initDeviceProfile(idp);
         dispatchDeviceProfileChanged();
@@ -917,7 +911,7 @@
             mOverlayManager.onActivityStopped(this);
         }
 
-        logStopAndResume(Action.Command.STOP);
+        logStopAndResume(false /* isResume */);
         mAppWidgetHost.setListenIfResumed(false);
         NotificationListener.removeNotificationsChangedListener();
     }
@@ -939,7 +933,7 @@
     @Override
     @CallSuper
     protected void onDeferredResumed() {
-        logStopAndResume(Action.Command.RESUME);
+        logStopAndResume(true /* isResume */);
 
         // Process any items that were added while Launcher was away.
         ItemInstallQueue.INSTANCE.get(this)
@@ -956,32 +950,28 @@
 
     protected void handlePendingActivityRequest() { }
 
-    private void logStopAndResume(int command) {
+    private void logStopAndResume(boolean isResume) {
         if (mPendingExecutor != null) return;
         int pageIndex = mWorkspace.isOverlayShown() ? -1 : mWorkspace.getCurrentPage();
-        int containerType = mStateManager.getState().containerType;
+        int statsLogOrdinal = mStateManager.getState().statsLogOrdinal;
 
         StatsLogManager.EventEnum event;
         StatsLogManager.StatsLogger logger = getStatsLogManager().logger();
-        if (command == Action.Command.RESUME) {
+        if (isResume) {
             logger.withSrcState(LAUNCHER_STATE_BACKGROUND)
-                .withDstState(containerTypeToAtomState(mStateManager.getState().containerType));
+                .withDstState(mStateManager.getState().statsLogOrdinal);
             event = LAUNCHER_ONRESUME;
         } else { /* command == Action.Command.STOP */
-            logger.withSrcState(containerTypeToAtomState(mStateManager.getState().containerType))
+            logger.withSrcState(mStateManager.getState().statsLogOrdinal)
                     .withDstState(LAUNCHER_STATE_BACKGROUND);
             event = LAUNCHER_ONSTOP;
         }
 
-        if (containerType == ContainerType.WORKSPACE && mWorkspace != null) {
-            getUserEventDispatcher().logActionCommand(command,
-                    containerType, -1, pageIndex);
+        if (statsLogOrdinal == LAUNCHER_STATE_HOME && mWorkspace != null) {
             logger.withContainerInfo(LauncherAtom.ContainerInfo.newBuilder()
                     .setWorkspace(
                             LauncherAtom.WorkspaceContainer.newBuilder()
                                     .setPageIndex(pageIndex)).build());
-        } else {
-            getUserEventDispatcher().logActionCommand(command, containerType, -1);
         }
         logger.log(event);
     }
@@ -1483,11 +1473,6 @@
             }
 
             // Handle HOME_INTENT
-            UserEventDispatcher ued = getUserEventDispatcher();
-            Target target = newContainerTarget(mStateManager.getState().containerType);
-            target.pageIndex = mWorkspace.getCurrentPage();
-            ued.logActionCommand(Action.Command.HOME_INTENT, target,
-                    newContainerTarget(ContainerType.WORKSPACE));
             hideKeyboard();
 
             if (mLauncherCallbacks != null) {
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index b6bc500..eba0ac9 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -16,6 +16,7 @@
 package com.android.launcher3;
 
 import static com.android.launcher3.anim.Interpolators.ACCEL_2;
+import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
 import static com.android.launcher3.testing.TestProtocol.ALL_APPS_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.BACKGROUND_APP_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.HINT_STATE_ORDINAL;
@@ -35,7 +36,6 @@
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.uioverrides.states.AllAppsState;
 import com.android.launcher3.uioverrides.states.OverviewState;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 
 import java.util.Arrays;
 
@@ -97,7 +97,7 @@
      * TODO: Create a separate class for NORMAL state.
      */
     public static final LauncherState NORMAL = new LauncherState(NORMAL_STATE_ORDINAL,
-            ContainerType.WORKSPACE,
+            LAUNCHER_STATE_HOME,
             FLAG_DISABLE_RESTORE | FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED | FLAG_HIDE_BACK_BUTTON |
                     FLAG_HAS_SYS_UI_SCRIM) {
         @Override
@@ -126,9 +126,9 @@
     public final int ordinal;
 
     /**
-     * Used for containerType in {@link com.android.launcher3.logging.UserEventDispatcher}
+     * Used for {@link com.android.launcher3.logging.StatsLogManager}
      */
-    public final int containerType;
+    public final int statsLogOrdinal;
 
     /**
      * True if the state has overview panel visible.
@@ -137,8 +137,8 @@
 
     private final int mFlags;
 
-    public LauncherState(int id, int containerType, int flags) {
-        this.containerType = containerType;
+    public LauncherState(int id, int statsLogOrdinal, int flags) {
+        this.statsLogOrdinal = statsLogOrdinal;
         this.mFlags = flags;
         this.overviewUi = (flags & FLAG_OVERVIEW_UI) != 0;
         this.ordinal = id;
diff --git a/src/com/android/launcher3/SecondaryDropTarget.java b/src/com/android/launcher3/SecondaryDropTarget.java
index 2df7f5a..92b88e6 100644
--- a/src/com/android/launcher3/SecondaryDropTarget.java
+++ b/src/com/android/launcher3/SecondaryDropTarget.java
@@ -37,14 +37,11 @@
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.logging.FileLog;
-import com.android.launcher3.logging.LoggerUtils;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.logging.StatsLogManager.StatsLogger;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.Themes;
 
@@ -135,19 +132,6 @@
     }
 
     @Override
-    public Target getDropTargetForLogging() {
-        Target t = LoggerUtils.newTarget(Target.Type.CONTROL);
-        if (mCurrentAccessibilityAction == UNINSTALL) {
-            t.controlType = ControlType.UNINSTALL_TARGET;
-        } else if (mCurrentAccessibilityAction == DISMISS_PREDICTION) {
-            t.controlType = ControlType.DISMISS_PREDICTION;
-        } else {
-            t.controlType = ControlType.SETTINGS_BUTTON;
-        }
-        return t;
-    }
-
-    @Override
     protected boolean supportsDrop(ItemInfo info) {
         return supportsAccessibilityDrop(info, getViewUnderDrag(info));
     }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index e7ded36..98328cf 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -85,7 +85,6 @@
 import com.android.launcher3.logger.LauncherAtom;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.logging.StatsLogManager.LauncherEvent;
-import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.ItemInfo;
@@ -97,8 +96,6 @@
 import com.android.launcher3.statemanager.StateManager.StateHandler;
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.touch.WorkspaceTouchListener;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSparseArrayMap;
@@ -1004,8 +1001,6 @@
     public void onOverlayScrollChanged(float scroll) {
         if (Float.compare(scroll, 1f) == 0) {
             if (!mOverlayShown) {
-                mLauncher.getUserEventDispatcher().logActionOnContainer(Action.Touch.SWIPE,
-                        Action.Direction.LEFT, ContainerType.WORKSPACE, 0);
                 mLauncher.getStatsLogManager().logger()
                         .withSrcState(LAUNCHER_STATE_HOME)
                         .withDstState(LAUNCHER_STATE_HOME)
@@ -1020,20 +1015,16 @@
             // Not announcing the overlay page for accessibility since it announces itself.
         } else if (Float.compare(scroll, 0f) == 0) {
             if (mOverlayShown) {
-                UserEventDispatcher ued = mLauncher.getUserEventDispatcher();
-                if (!ued.isPreviousHomeGesture()) {
-                    mLauncher.getUserEventDispatcher().logActionOnContainer(Action.Touch.SWIPE,
-                        Action.Direction.RIGHT, ContainerType.WORKSPACE, -1);
-                    mLauncher.getStatsLogManager().logger()
-                            .withSrcState(LAUNCHER_STATE_HOME)
-                            .withDstState(LAUNCHER_STATE_HOME)
-                            .withContainerInfo(LauncherAtom.ContainerInfo.newBuilder()
-                                    .setWorkspace(
-                                            LauncherAtom.WorkspaceContainer.newBuilder()
-                                                    .setPageIndex(-1))
-                                    .build())
-                            .log(LAUNCHER_SWIPERIGHT);
-                }
+                // TODO: this is logged unnecessarily on home gesture.
+                mLauncher.getStatsLogManager().logger()
+                        .withSrcState(LAUNCHER_STATE_HOME)
+                        .withDstState(LAUNCHER_STATE_HOME)
+                        .withContainerInfo(LauncherAtom.ContainerInfo.newBuilder()
+                                .setWorkspace(
+                                        LauncherAtom.WorkspaceContainer.newBuilder()
+                                                .setPageIndex(-1))
+                                .build())
+                        .log(LAUNCHER_SWIPERIGHT);
             } else if (Float.compare(mOverlayTranslation, 0f) != 0) {
                 // When arriving to 0 overscroll from non-zero overscroll, announce page for
                 // accessibility since default announcements were disabled while in overscroll
@@ -1124,12 +1115,8 @@
     protected void notifyPageSwitchListener(int prevPage) {
         super.notifyPageSwitchListener(prevPage);
         if (prevPage != mCurrentPage) {
-            int swipeDirection = (prevPage < mCurrentPage)
-                    ? Action.Direction.RIGHT : Action.Direction.LEFT;
             StatsLogManager.EventEnum event = (prevPage < mCurrentPage)
                     ? LAUNCHER_SWIPERIGHT : LAUNCHER_SWIPELEFT;
-            mLauncher.getUserEventDispatcher().logActionOnContainer(Action.Touch.SWIPE,
-                    swipeDirection, ContainerType.WORKSPACE, prevPage);
             mLauncher.getStatsLogManager().logger()
                     .withSrcState(LAUNCHER_STATE_HOME)
                     .withDstState(LAUNCHER_STATE_HOME)
diff --git a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
index 13a93ff..72b6d94 100644
--- a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
@@ -19,8 +19,6 @@
 import static android.view.View.MeasureSpec.UNSPECIFIED;
 import static android.view.View.MeasureSpec.makeMeasureSpec;
 
-import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
-
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
@@ -38,10 +36,6 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.R;
 import com.android.launcher3.allapps.AllAppsGridAdapter.AppsGridLayoutManager;
-import com.android.launcher3.logging.StatsLogUtils.LogContainerProvider;
-import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.views.RecyclerViewFastScroller;
 
 import java.util.ArrayList;
@@ -50,7 +44,7 @@
 /**
  * A RecyclerView with custom fast scroll support for the all apps view.
  */
-public class AllAppsRecyclerView extends BaseRecyclerView implements LogContainerProvider {
+public class AllAppsRecyclerView extends BaseRecyclerView {
 
     private AlphabeticalAppsList mApps;
     private final int mNumAppsPerRow;
@@ -176,13 +170,6 @@
         mAutoSizedOverlays.clear();
     }
 
-    @Override
-    public void fillInLogContainerData(ItemInfo childInfo, Target child,
-            ArrayList<Target> parents) {
-        parents.add(newContainerTarget(
-                getApps().hasFilter() ? ContainerType.SEARCHRESULT : ContainerType.ALLAPPS));
-    }
-
     public void onSearchResultsChanged() {
         // Always scroll the view to the top so the user can see the changed results
         scrollToTop();
diff --git a/src/com/android/launcher3/allapps/DiscoveryBounce.java b/src/com/android/launcher3/allapps/DiscoveryBounce.java
index 14595ca..0005db8 100644
--- a/src/com/android/launcher3/allapps/DiscoveryBounce.java
+++ b/src/com/android/launcher3/allapps/DiscoveryBounce.java
@@ -18,8 +18,6 @@
 
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType.HOTSEAT;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType.PREDICTION;
 
 import android.animation.Animator;
 import android.animation.AnimatorInflater;
@@ -120,10 +118,10 @@
         return (type & TYPE_DISCOVERY_BOUNCE) != 0;
     }
 
-    private void show(int containerType) {
+    private void show() {
         mIsOpen = true;
         mLauncher.getDragLayer().addView(this);
-        mLauncher.getUserEventDispatcher().logActionBounceTip(containerType);
+        // TODO: add WW log for discovery bounce tip show event.
     }
 
     public static void showForHomeIfNeeded(Launcher launcher) {
@@ -146,7 +144,7 @@
         }
         onboardingPrefs.incrementEventCount(OnboardingPrefs.HOME_BOUNCE_COUNT);
 
-        new DiscoveryBounce(launcher, 0).show(HOTSEAT);
+        new DiscoveryBounce(launcher, 0).show();
     }
 
     public static void showForOverviewIfNeeded(Launcher launcher,
@@ -179,7 +177,7 @@
         onboardingPrefs.incrementEventCount(OnboardingPrefs.SHELF_BOUNCE_COUNT);
 
         new DiscoveryBounce(launcher, (1 - OVERVIEW.getVerticalProgress(launcher)))
-                .show(PREDICTION);
+                .show();
     }
 
     /**
diff --git a/src/com/android/launcher3/anim/PendingAnimation.java b/src/com/android/launcher3/anim/PendingAnimation.java
index 5362575..6dd316e 100644
--- a/src/com/android/launcher3/anim/PendingAnimation.java
+++ b/src/com/android/launcher3/anim/PendingAnimation.java
@@ -73,9 +73,9 @@
         addAnimationHoldersRecur(a, mDuration, springProperty, mAnimHolders);
     }
 
-    public void finish(boolean isSuccess, int logAction) {
+    public void finish(boolean isSuccess) {
         for (Consumer<EndState> listeners : mEndListeners) {
-            listeners.accept(new EndState(isSuccess, logAction));
+            listeners.accept(new EndState(isSuccess));
         }
         mEndListeners.clear();
     }
@@ -164,7 +164,7 @@
 
     /**
      * Add a listener of receiving the end state.
-     * Note that the listeners are called as a result of calling {@link #finish(boolean, int)}
+     * Note that the listeners are called as a result of calling {@link #finish(boolean)}
      * and not automatically
      */
     public void addEndListener(Consumer<EndState> listener) {
@@ -173,11 +173,9 @@
 
     public static class EndState {
         public boolean isSuccess;
-        public int logAction;
 
-        public EndState(boolean isSuccess, int logAction) {
+        public EndState(boolean isSuccess) {
             this.isSuccess = isSuccess;
-            this.logAction = logAction;
         }
     }
 }
diff --git a/src/com/android/launcher3/dragndrop/AddItemActivity.java b/src/com/android/launcher3/dragndrop/AddItemActivity.java
index 2d625c5..42e247a 100644
--- a/src/com/android/launcher3/dragndrop/AddItemActivity.java
+++ b/src/com/android/launcher3/dragndrop/AddItemActivity.java
@@ -16,10 +16,11 @@
 
 package com.android.launcher3.dragndrop;
 
-import static com.android.launcher3.logging.LoggerUtils.newCommandAction;
-import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
-import static com.android.launcher3.logging.LoggerUtils.newItemTarget;
-import static com.android.launcher3.logging.LoggerUtils.newLauncherEvent;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ADD_EXTERNAL_ITEM_BACK;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ADD_EXTERNAL_ITEM_CANCELLED;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ADD_EXTERNAL_ITEM_DRAGGED;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ADD_EXTERNAL_ITEM_PLACED_AUTOMATICALLY;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ADD_EXTERNAL_ITEM_START;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
 import android.annotation.TargetApi;
@@ -49,11 +50,10 @@
 import com.android.launcher3.LauncherAppWidgetHost;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.R;
+import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.ItemInstallQueue;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.pm.PinRequestHelper;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.util.InstantAppResolver;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
@@ -125,7 +125,7 @@
         // savedInstanceState is null when the activity is created the first time (i.e., avoids
         // duplicate logging during rotation)
         if (savedInstanceState == null) {
-            logCommand(Action.Command.ENTRY);
+            logCommand(LAUNCHER_ADD_EXTERNAL_ITEM_START);
         }
     }
 
@@ -178,6 +178,7 @@
         startActivity(homeIntent,
                 ActivityOptions.makeCustomAnimation(this, 0, android.R.anim.fade_out)
                         .toBundle());
+        logCommand(LAUNCHER_ADD_EXTERNAL_ITEM_DRAGGED);
         mFinishOnPause = true;
         return false;
     }
@@ -240,7 +241,7 @@
      * Called when the cancel button is clicked.
      */
     public void onCancelClick(View v) {
-        logCommand(Action.Command.CANCEL);
+        logCommand(LAUNCHER_ADD_EXTERNAL_ITEM_CANCELLED);
         finish();
     }
 
@@ -250,7 +251,7 @@
     public void onPlaceAutomaticallyClick(View v) {
         if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT) {
             ItemInstallQueue.INSTANCE.get(this).queueItem(mRequest.getShortcutInfo());
-            logCommand(Action.Command.CONFIRM);
+            logCommand(LAUNCHER_ADD_EXTERNAL_ITEM_PLACED_AUTOMATICALLY);
             mRequest.accept();
             finish();
             return;
@@ -274,13 +275,13 @@
                 .queueItem(mRequest.getAppWidgetProviderInfo(this), widgetId);
         mWidgetOptions.putInt(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetId);
         mRequest.accept(mWidgetOptions);
-        logCommand(Action.Command.CONFIRM);
+        logCommand(LAUNCHER_ADD_EXTERNAL_ITEM_PLACED_AUTOMATICALLY);
         finish();
     }
 
     @Override
     public void onBackPressed() {
-        logCommand(Action.Command.BACK);
+        logCommand(LAUNCHER_ADD_EXTERNAL_ITEM_BACK);
         super.onBackPressed();
     }
 
@@ -320,10 +321,7 @@
         throw new UnsupportedOperationException();
     }
 
-    private void logCommand(int command) {
-        getUserEventDispatcher().dispatchUserEvent(newLauncherEvent(
-                newCommandAction(command),
-                newItemTarget(mWidgetCell.getWidgetView(), mInstantAppResolver),
-                newContainerTarget(ContainerType.PINITEM)), null);
+    private void logCommand(StatsLogManager.EventEnum command) {
+        getStatsLogManager().logger().log(command);
     }
 }
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index ef666f0..1cfe6ac 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -206,7 +206,6 @@
         }
 
         handleMoveEvent(mLastTouch.x, mLastTouch.y);
-        mLauncher.getUserEventDispatcher().resetActionDurationMillis();
 
         if (!mLauncher.isTouchInProgress() && options.simulatedDndStartPoint == null) {
             // If it is an internal drag and the touch is already complete, cancel immediately
@@ -544,7 +543,6 @@
             }
         }
         final View dropTargetAsView = dropTarget instanceof View ? (View) dropTarget : null;
-        mLauncher.getUserEventDispatcher().logDragNDrop(mDragObject, dropTargetAsView);
         dispatchDropComplete(dropTargetAsView, accepted);
     }
 
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index 281598a..63fa391 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -23,7 +23,6 @@
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
 import static com.android.launcher3.config.FeatureFlags.ALWAYS_USE_HARDWARE_OPTIMIZATION_FOR_FOLDER_ANIMATIONS;
-import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_FOLDER_CONVERTED_TO_ICON;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_FOLDER_LABEL_UPDATED;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DROP_COMPLETED;
@@ -95,7 +94,6 @@
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.pageindicators.PageIndicatorDots;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.ClipPathView;
@@ -599,15 +597,6 @@
      * is played.
      */
     private void animateOpen(List<WorkspaceItemInfo> items, int pageNo) {
-        animateOpen(items, pageNo, false);
-    }
-
-    /**
-     * Opens the user folder described by the specified tag. The opening of the folder
-     * is animated relative to the specified View. If the View is null, no animation
-     * is played.
-     */
-    private void animateOpen(List<WorkspaceItemInfo> items, int pageNo, boolean skipUserEventLog) {
         Folder openFolder = getOpen(mLauncher);
         if (openFolder != null && openFolder != this) {
             // Close any open folder before opening a folder.
@@ -657,14 +646,6 @@
                 mState = STATE_OPEN;
                 announceAccessibilityChanges();
 
-                if (!skipUserEventLog) {
-                    mLauncher.getUserEventDispatcher().logActionOnItem(
-                            LauncherLogProto.Action.Touch.TAP,
-                            LauncherLogProto.Action.Direction.NONE,
-                            LauncherLogProto.ItemType.FOLDER_ICON, mInfo.cellX, mInfo.cellY);
-                }
-
-
                 mContent.setFocusOnFirstChild();
             }
         });
@@ -1513,7 +1494,6 @@
                 }
 
                 statsLogger.log(LAUNCHER_FOLDER_LABEL_UPDATED);
-                logFolderLabelState(mFromLabelState, toLabelState);
                 mFolderName.dispatchBackKey();
             }
         }
@@ -1644,8 +1624,7 @@
                         return true;
                     }
                 } else {
-                    mLauncher.getUserEventDispatcher().logActionTapOutside(
-                            newContainerTarget(LauncherLogProto.ContainerType.FOLDER));
+                    // TODO: add ww log if need to gather tap outside to close folder
                     close(true);
                     return true;
                 }
@@ -1680,17 +1659,6 @@
         return mContent;
     }
 
-    /**
-     * Logs current folder label info.
-     *
-     * @deprecated This method is only used for log validation and soon will be removed.
-     */
-    @Deprecated
-    public void logFolderLabelState(FromState fromState, ToState toState) {
-        mLauncher.getUserEventDispatcher()
-                .logLauncherEvent(mInfo.getFolderLabelStateLauncherEvent(fromState, toState));
-    }
-
     /** Returns the height of the current folder's bottom edge from the bottom of the screen. */
     private int getHeightFromBottom() {
         DragLayer.LayoutParams layoutParams = (DragLayer.LayoutParams) getLayoutParams();
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index 32d061c..3296eed 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/src/com/android/launcher3/folder/FolderIcon.java
@@ -478,7 +478,6 @@
                 // event is assumed to be folder creation on the server side.
                 .withEditText(newTitle.toString())
                 .log(LAUNCHER_FOLDER_AUTO_LABELED);
-        mFolder.logFolderLabelState(fromState, ToState.TO_SUGGESTION0);
     }
 
 
diff --git a/src/com/android/launcher3/logging/LoggerUtils.java b/src/com/android/launcher3/logging/LoggerUtils.java
deleted file mode 100644
index cd4f034..0000000
--- a/src/com/android/launcher3/logging/LoggerUtils.java
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.logging;
-
-import android.util.ArrayMap;
-import android.util.SparseArray;
-import android.view.View;
-
-import com.android.launcher3.ButtonDropTarget;
-import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.model.data.AppInfo;
-import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.userevent.nano.LauncherLogExtensions.TargetExtension;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ItemType;
-import com.android.launcher3.userevent.nano.LauncherLogProto.LauncherEvent;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
-import com.android.launcher3.util.InstantAppResolver;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
-import java.util.ArrayList;
-
-/**
- * Helper methods for logging.
- */
-public class LoggerUtils {
-    private static final ArrayMap<Class, SparseArray<String>> sNameCache = new ArrayMap<>();
-    private static final String UNKNOWN = "UNKNOWN";
-    private static final int DEFAULT_PREDICTED_RANK = 10000;
-    private static final String DELIMITER_DOT = "\\.";
-
-    public static String getFieldName(int value, Class c) {
-        SparseArray<String> cache;
-        synchronized (sNameCache) {
-            cache = sNameCache.get(c);
-            if (cache == null) {
-                cache = new SparseArray<>();
-                for (Field f : c.getDeclaredFields()) {
-                    if (f.getType() == int.class && Modifier.isStatic(f.getModifiers())) {
-                        try {
-                            f.setAccessible(true);
-                            cache.put(f.getInt(null), f.getName());
-                        } catch (IllegalAccessException e) {
-                            // Ignore
-                        }
-                    }
-                }
-                sNameCache.put(c, cache);
-            }
-        }
-        String result = cache.get(value);
-        return result != null ? result : UNKNOWN;
-    }
-
-    public static Target newItemTarget(int itemType) {
-        Target t = newTarget(Target.Type.ITEM);
-        t.itemType = itemType;
-        return t;
-    }
-
-    public static Target newItemTarget(View v, InstantAppResolver instantAppResolver) {
-        return (v != null) && (v.getTag() instanceof ItemInfo)
-                ? newItemTarget((ItemInfo) v.getTag(), instantAppResolver)
-                : newTarget(Target.Type.ITEM);
-    }
-
-    public static Target newItemTarget(ItemInfo info, InstantAppResolver instantAppResolver) {
-        Target t = newTarget(Target.Type.ITEM);
-        switch (info.itemType) {
-            case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
-                t.itemType = (instantAppResolver != null && info instanceof AppInfo
-                        && instantAppResolver.isInstantApp(((AppInfo) info)))
-                        ? ItemType.WEB_APP
-                        : ItemType.APP_ICON;
-                t.predictedRank = DEFAULT_PREDICTED_RANK;
-                break;
-            case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
-                t.itemType = ItemType.SHORTCUT;
-                t.predictedRank = DEFAULT_PREDICTED_RANK;
-                break;
-            case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
-                t.itemType = ItemType.FOLDER_ICON;
-                break;
-            case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
-                t.itemType = ItemType.WIDGET;
-                break;
-            case LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT:
-                t.itemType = ItemType.DEEPSHORTCUT;
-                t.predictedRank = DEFAULT_PREDICTED_RANK;
-                break;
-        }
-        return t;
-    }
-
-    public static Target newDropTarget(View v) {
-        if (!(v instanceof ButtonDropTarget)) {
-            return newTarget(Target.Type.CONTAINER);
-        }
-        if (v instanceof ButtonDropTarget) {
-            return ((ButtonDropTarget) v).getDropTargetForLogging();
-        }
-        return newTarget(Target.Type.CONTROL);
-    }
-
-    public static Target newTarget(int targetType, TargetExtension extension) {
-        Target t = new Target();
-        t.type = targetType;
-        t.extension = extension;
-        return t;
-    }
-
-    public static Target newTarget(int targetType) {
-        Target t = new Target();
-        t.type = targetType;
-        return t;
-    }
-
-    public static Target newControlTarget(int controlType) {
-        Target t = newTarget(Target.Type.CONTROL);
-        t.controlType = controlType;
-        return t;
-    }
-
-    public static Target newContainerTarget(int containerType) {
-        Target t = newTarget(Target.Type.CONTAINER);
-        t.containerType = containerType;
-        return t;
-    }
-
-    public static Action newAction(int type) {
-        Action a = new Action();
-        a.type = type;
-        return a;
-    }
-
-    public static Action newCommandAction(int command) {
-        Action a = newAction(Action.Type.COMMAND);
-        a.command = command;
-        return a;
-    }
-
-    public static Action newTouchAction(int touch) {
-        Action a = newAction(Action.Type.TOUCH);
-        a.touch = touch;
-        return a;
-    }
-
-    public static LauncherEvent newLauncherEvent(Action action, Target... srcTargets) {
-        LauncherEvent event = new LauncherEvent();
-        event.srcTarget = srcTargets;
-        event.action = action;
-        return event;
-    }
-
-    /**
-     * Creates LauncherEvent using Action and ArrayList of Targets
-     */
-    public static LauncherEvent newLauncherEvent(Action action, ArrayList<Target> targets) {
-        Target[] targetsArray = new Target[targets.size()];
-        targets.toArray(targetsArray);
-        return newLauncherEvent(action, targetsArray);
-    }
-
-    /**
-     * String conversion for only the helpful parts of {@link Object#toString()} method
-     * @param stringToExtract "foo.bar.baz.MyObject@1234"
-     * @return "MyObject@1234"
-     */
-    public static String extractObjectNameAndAddress(String stringToExtract) {
-        String[] superStringParts = stringToExtract.split(DELIMITER_DOT);
-        if (superStringParts.length == 0) {
-            return "";
-        }
-        return superStringParts[superStringParts.length - 1];
-    }
-}
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index ec1c3ef..2c5bf32 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -27,7 +27,6 @@
 import com.android.launcher3.logger.LauncherAtom.FromState;
 import com.android.launcher3.logger.LauncherAtom.ToState;
 import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.userevent.LauncherLogProto;
 import com.android.launcher3.util.ResourceBasedOverride;
 
 import java.util.List;
@@ -51,40 +50,22 @@
     public static final int LAUNCHER_STATE_UNCHANGED = 5;
 
     /**
-     * Returns proper launcher state enum for {@link StatsLogManager}(to be removed during
-     * UserEventDispatcher cleanup)
-     */
-    public static int containerTypeToAtomState(int containerType) {
-        switch (containerType) {
-            case LauncherLogProto.ContainerType.ALLAPPS_VALUE:
-                return LAUNCHER_STATE_ALLAPPS;
-            case LauncherLogProto.ContainerType.OVERVIEW_VALUE:
-                return LAUNCHER_STATE_OVERVIEW;
-            case LauncherLogProto.ContainerType.WORKSPACE_VALUE:
-                return LAUNCHER_STATE_HOME;
-            case LauncherLogProto.ContainerType.APP_VALUE:
-                return LAUNCHER_STATE_BACKGROUND;
-        }
-        return LAUNCHER_STATE_UNSPECIFIED;
-    }
-
-    /**
-     * Returns event enum based on the two {@link ContainerType} transition information when swipe
+     * Returns event enum based on the two state transition information when swipe
      * gesture happens(to be removed during UserEventDispatcher cleanup).
      */
-    public static EventEnum getLauncherAtomEvent(int startContainerType,
-            int targetContainerType, EventEnum fallbackEvent) {
-        if (startContainerType == LauncherLogProto.ContainerType.WORKSPACE.getNumber()
-                && targetContainerType == LauncherLogProto.ContainerType.WORKSPACE.getNumber()) {
+    public static EventEnum getLauncherAtomEvent(int startState,
+            int targetState, EventEnum fallbackEvent) {
+        if (startState == LAUNCHER_STATE_HOME
+                && targetState == LAUNCHER_STATE_HOME) {
             return LAUNCHER_HOME_GESTURE;
-        } else if (startContainerType != LauncherLogProto.ContainerType.TASKSWITCHER.getNumber()
-                && targetContainerType == LauncherLogProto.ContainerType.TASKSWITCHER.getNumber()) {
+        } else if (startState != LAUNCHER_STATE_OVERVIEW
+                && targetState == LAUNCHER_STATE_OVERVIEW) {
             return LAUNCHER_OVERVIEW_GESTURE;
-        } else if (startContainerType != LauncherLogProto.ContainerType.ALLAPPS.getNumber()
-                && targetContainerType == LauncherLogProto.ContainerType.ALLAPPS.getNumber()) {
+        } else if (startState != LAUNCHER_STATE_ALLAPPS
+                && targetState == LAUNCHER_STATE_ALLAPPS) {
             return LAUNCHER_ALLAPPS_OPEN_UP;
-        } else if (startContainerType == LauncherLogProto.ContainerType.ALLAPPS.getNumber()
-                && targetContainerType != LauncherLogProto.ContainerType.ALLAPPS.getNumber()) {
+        } else if (startState == LAUNCHER_STATE_ALLAPPS
+                && targetState != LAUNCHER_STATE_ALLAPPS) {
             return LAUNCHER_ALLAPPS_CLOSE_DOWN;
         }
         return fallbackEvent; // TODO fix
@@ -322,7 +303,38 @@
         LAUNCHER_FOLDER_CONVERTED_TO_ICON(628),
 
         @UiEvent(doc = "A hotseat prediction item was pinned")
-        LAUNCHER_HOTSEAT_PREDICTION_PINNED(629);
+        LAUNCHER_HOTSEAT_PREDICTION_PINNED(629),
+
+        @UiEvent(doc = "Activity to add external item was started")
+        LAUNCHER_ADD_EXTERNAL_ITEM_START(641),
+
+        @UiEvent(doc = "Activity to add external item was cancelled")
+        LAUNCHER_ADD_EXTERNAL_ITEM_CANCELLED(642),
+
+        @UiEvent(doc = "Activity to add external item was backed out")
+        LAUNCHER_ADD_EXTERNAL_ITEM_BACK(643),
+
+        @UiEvent(doc = "Item was placed automatically in external item addition flow")
+        LAUNCHER_ADD_EXTERNAL_ITEM_PLACED_AUTOMATICALLY(644),
+
+        @UiEvent(doc = "Item was dragged in external item addition flow")
+        LAUNCHER_ADD_EXTERNAL_ITEM_DRAGGED(645),
+
+        @UiEvent(doc = "Undo event was tapped.")
+        LAUNCHER_UNDO(648),
+
+        @UiEvent(doc = "Task switcher clear all target was tapped.")
+        LAUNCHER_TASK_CLEAR_ALL(649),
+
+        @UiEvent(doc = "Task preview was long pressed.")
+        LAUNCHER_TASK_PREVIEW_LONGPRESS(650),
+
+        @UiEvent(doc = "User swiped down on workspace (triggering noti shade to open).")
+        LAUNCHER_SWIPE_DOWN_WORKSPACE_NOTISHADE_OPEN(651),
+
+        @UiEvent(doc = "Notification dismissed by swiping right.")
+        LAUNCHER_NOTIFICATION_DISMISSED(652),
+        ;
 
         // ADD MORE
 
diff --git a/src/com/android/launcher3/logging/StatsLogUtils.java b/src/com/android/launcher3/logging/StatsLogUtils.java
deleted file mode 100644
index a5cc7ea..0000000
--- a/src/com/android/launcher3/logging/StatsLogUtils.java
+++ /dev/null
@@ -1,49 +0,0 @@
-package com.android.launcher3.logging;
-
-import android.view.View;
-import android.view.ViewParent;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
-
-import java.util.ArrayList;
-
-public class StatsLogUtils {
-    private final static int MAXIMUM_VIEW_HIERARCHY_LEVEL = 5;
-
-    /**
-     * Implemented by containers to provide a container source for a given child.
-     */
-    public interface LogContainerProvider {
-
-        /**
-         * Populates parent container targets for an item
-         */
-        void fillInLogContainerData(ItemInfo childInfo, Target child, ArrayList<Target> parents);
-    }
-
-    /**
-     * Recursively finds the parent of the given child which implements IconLogInfoProvider
-     */
-    public static LogContainerProvider getLaunchProviderRecursive(@Nullable View v) {
-        ViewParent parent;
-        if (v != null) {
-            parent = v.getParent();
-        } else {
-            return null;
-        }
-
-        // Optimization to only check up to 5 parents.
-        int count = MAXIMUM_VIEW_HIERARCHY_LEVEL;
-        while (parent != null && count-- > 0) {
-            if (parent instanceof LogContainerProvider) {
-                return (LogContainerProvider) parent;
-            } else {
-                parent = parent.getParent();
-            }
-        }
-        return null;
-    }
-}
diff --git a/src/com/android/launcher3/logging/UserEventDispatcher.java b/src/com/android/launcher3/logging/UserEventDispatcher.java
deleted file mode 100644
index a40cc26..0000000
--- a/src/com/android/launcher3/logging/UserEventDispatcher.java
+++ /dev/null
@@ -1,373 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.logging;
-
-import static com.android.launcher3.logging.LoggerUtils.newAction;
-import static com.android.launcher3.logging.LoggerUtils.newCommandAction;
-import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
-import static com.android.launcher3.logging.LoggerUtils.newDropTarget;
-import static com.android.launcher3.logging.LoggerUtils.newItemTarget;
-import static com.android.launcher3.logging.LoggerUtils.newLauncherEvent;
-import static com.android.launcher3.logging.LoggerUtils.newTarget;
-import static com.android.launcher3.logging.LoggerUtils.newTouchAction;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.ItemType;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.TipType;
-
-import static java.util.Optional.ofNullable;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.os.SystemClock;
-import android.util.Log;
-import android.view.View;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.DropTarget;
-import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.logging.StatsLogUtils.LogContainerProvider;
-import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.userevent.LauncherLogProto;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
-import com.android.launcher3.userevent.nano.LauncherLogProto.LauncherEvent;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
-import com.android.launcher3.util.InstantAppResolver;
-import com.android.launcher3.util.LogConfig;
-import com.android.launcher3.util.ResourceBasedOverride;
-
-import com.google.protobuf.InvalidProtocolBufferException;
-import com.google.protobuf.nano.InvalidProtocolBufferNanoException;
-import com.google.protobuf.nano.MessageNano;
-
-import java.util.ArrayList;
-import java.util.UUID;
-
-/**
- * Manages the creation of {@link LauncherEvent}.
- * To debug this class, execute following command before side loading a new apk.
- * <p>
- * $ adb shell setprop log.tag.UserEvent VERBOSE
- */
-public class UserEventDispatcher implements ResourceBasedOverride {
-
-    private static final String TAG = "UserEvent";
-    private static final boolean IS_VERBOSE = Utilities.isPropertyEnabled(LogConfig.USEREVENT);
-    private static final String UUID_STORAGE = "uuid";
-
-    /**
-     * A factory method for UserEventDispatcher
-     */
-    public static UserEventDispatcher newInstance(Context context) {
-        SharedPreferences sharedPrefs = Utilities.getDevicePrefs(context);
-        String uuidStr = sharedPrefs.getString(UUID_STORAGE, null);
-        if (uuidStr == null) {
-            uuidStr = UUID.randomUUID().toString();
-            sharedPrefs.edit().putString(UUID_STORAGE, uuidStr).apply();
-        }
-        UserEventDispatcher ued = Overrides.getObject(UserEventDispatcher.class,
-                context.getApplicationContext(), R.string.user_event_dispatcher_class);
-        ued.mUuidStr = uuidStr;
-        ued.mInstantAppResolver = InstantAppResolver.newInstance(context);
-        return ued;
-    }
-
-
-    /**
-     * Fills in the container data on the given event if the given view is not null.
-     *
-     * @return whether container data was added.
-     */
-    private boolean fillLogContainer(@Nullable View v, Target child,
-            @Nullable ArrayList<Target> targets) {
-        LogContainerProvider firstParent = StatsLogUtils.getLaunchProviderRecursive(v);
-        if (v == null || !(v.getTag() instanceof ItemInfo) || firstParent == null) {
-            return false;
-        }
-        final ItemInfo itemInfo = (ItemInfo) v.getTag();
-        firstParent.fillInLogContainerData(itemInfo, child, targets);
-        return true;
-    }
-
-    protected void onFillInLogContainerData(@NonNull ItemInfo itemInfo, @NonNull Target target,
-            @NonNull ArrayList<Target> targets) {
-    }
-
-    private boolean mSessionStarted;
-    private long mElapsedContainerMillis;
-    private long mElapsedSessionMillis;
-    private long mActionDurationMillis;
-    private String mUuidStr;
-    protected InstantAppResolver mInstantAppResolver;
-    private boolean mAppOrTaskLaunch;
-    private boolean mPreviousHomeGesture;
-
-    private void fillComponentInfo(Target target, ComponentName cn) {
-        if (cn != null) {
-            target.packageNameHash = (mUuidStr + cn.getPackageName()).hashCode();
-            target.componentHash = (mUuidStr + cn.flattenToString()).hashCode();
-        }
-    }
-
-    public void logActionCommand(int command, int srcContainerType, int dstContainerType) {
-        logActionCommand(command, newContainerTarget(srcContainerType),
-                dstContainerType >= 0 ? newContainerTarget(dstContainerType) : null);
-    }
-
-    public void logActionCommand(int command, int srcContainerType, int dstContainerType,
-            int pageIndex) {
-        Target srcTarget = newContainerTarget(srcContainerType);
-        srcTarget.pageIndex = pageIndex;
-        logActionCommand(command, srcTarget,
-                dstContainerType >= 0 ? newContainerTarget(dstContainerType) : null);
-    }
-
-    public void logActionCommand(int command, Target srcTarget, Target dstTarget) {
-        LauncherEvent event = newLauncherEvent(newCommandAction(command), srcTarget);
-        if (command == Action.Command.STOP) {
-            if (mAppOrTaskLaunch || !mSessionStarted) {
-                mSessionStarted = false;
-                return;
-            }
-        }
-
-        if (dstTarget != null) {
-            event.destTarget = new Target[1];
-            event.destTarget[0] = dstTarget;
-            event.action.isStateChange = true;
-        }
-        dispatchUserEvent(event, null);
-    }
-
-    public void logActionOnControl(int action, int controlType) {
-        logActionOnControl(action, controlType, null);
-    }
-
-    public void logActionOnControl(int action, int controlType, int parentContainerType) {
-        logActionOnControl(action, controlType, null, parentContainerType);
-    }
-
-    /**
-     * Logs control action with proper parent hierarchy
-     */
-    public void logActionOnControl(int actionType, int controlType,
-            @Nullable View controlInContainer, int... parentTypes) {
-        Target control = newTarget(Target.Type.CONTROL);
-        control.controlType = controlType;
-        Action action = newAction(actionType);
-
-        ArrayList<Target> targets = makeTargetsList(control);
-        if (controlInContainer != null) {
-            fillLogContainer(controlInContainer, control, targets);
-        }
-        for (int parentContainerType : parentTypes) {
-            if (parentContainerType < 0) continue;
-            targets.add(newContainerTarget(parentContainerType));
-        }
-        LauncherEvent event = newLauncherEvent(action, targets);
-        if (actionType == Action.Touch.DRAGDROP) {
-            event.actionDurationMillis = SystemClock.uptimeMillis() - mActionDurationMillis;
-        }
-        dispatchUserEvent(event, null);
-    }
-
-    public void logActionTapOutside(Target target) {
-        LauncherEvent event = newLauncherEvent(newTouchAction(Action.Type.TOUCH),
-                target);
-        event.action.isOutside = true;
-        dispatchUserEvent(event, null);
-    }
-
-    public void logActionBounceTip(int containerType) {
-        LauncherEvent event = newLauncherEvent(newAction(Action.Type.TIP),
-                newContainerTarget(containerType));
-        event.srcTarget[0].tipType = TipType.BOUNCE;
-        dispatchUserEvent(event, null);
-    }
-
-    public void logActionOnContainer(int action, int dir, int containerType) {
-        logActionOnContainer(action, dir, containerType, 0);
-    }
-
-    public void logActionOnContainer(int action, int dir, int containerType, int pageIndex) {
-        LauncherEvent event = newLauncherEvent(newTouchAction(action),
-                newContainerTarget(containerType));
-        event.action.dir = dir;
-        event.srcTarget[0].pageIndex = pageIndex;
-        dispatchUserEvent(event, null);
-    }
-
-    /**
-     * Used primarily for swipe up and down when state changes when swipe up happens from the
-     * navbar bezel, the {@param srcChildContainerType} is NAVBAR and
-     * {@param srcParentContainerType} is either one of the two
-     * (1) WORKSPACE: if the launcher is the foreground activity
-     * (2) APP: if another app was the foreground activity
-     */
-    public void logStateChangeAction(int action, int dir, int downX, int downY,
-            int srcChildTargetType, int srcParentContainerType, int dstContainerType,
-            int pageIndex) {
-        LauncherEvent event;
-        if (srcChildTargetType == ItemType.TASK) {
-            event = newLauncherEvent(newTouchAction(action),
-                    newItemTarget(srcChildTargetType),
-                    newContainerTarget(srcParentContainerType));
-        } else {
-            event = newLauncherEvent(newTouchAction(action),
-                    newContainerTarget(srcChildTargetType),
-                    newContainerTarget(srcParentContainerType));
-        }
-        event.destTarget = new Target[1];
-        event.destTarget[0] = newContainerTarget(dstContainerType);
-        event.action.dir = dir;
-        event.action.isStateChange = true;
-        event.srcTarget[0].pageIndex = pageIndex;
-        event.srcTarget[0].spanX = downX;
-        event.srcTarget[0].spanY = downY;
-        dispatchUserEvent(event, null);
-    }
-
-    public void logActionOnItem(int action, int dir, int itemType) {
-        logActionOnItem(action, dir, itemType, null, null);
-    }
-
-    /**
-     * Creates new {@link LauncherEvent} of ITEM target type with input arguments and dispatches it.
-     *
-     * @param touchAction ENUM value of {@link LauncherLogProto.Action.Touch} Action
-     * @param dir         ENUM value of {@link LauncherLogProto.Action.Direction} Action
-     * @param itemType    ENUM value of {@link LauncherLogProto.ItemType}
-     * @param gridX       Nullable X coordinate of item's position on the workspace grid
-     * @param gridY       Nullable Y coordinate of item's position on the workspace grid
-     */
-    public void logActionOnItem(int touchAction, int dir, int itemType,
-            @Nullable Integer gridX, @Nullable Integer gridY) {
-        Target itemTarget = newTarget(Target.Type.ITEM);
-        itemTarget.itemType = itemType;
-        ofNullable(gridX).ifPresent(value -> itemTarget.gridX = value);
-        ofNullable(gridY).ifPresent(value -> itemTarget.gridY = value);
-        LauncherEvent event = newLauncherEvent(newTouchAction(touchAction), itemTarget);
-        event.action.dir = dir;
-        dispatchUserEvent(event, null);
-    }
-
-    /**
-     * Logs proto lite version of LauncherEvent object to clearcut.
-     */
-    public void logLauncherEvent(
-            com.android.launcher3.userevent.LauncherLogProto.LauncherEvent launcherEvent) {
-
-        if (mPreviousHomeGesture) {
-            mPreviousHomeGesture = false;
-        }
-        mAppOrTaskLaunch = false;
-        launcherEvent.toBuilder()
-                .setElapsedContainerMillis(SystemClock.uptimeMillis() - mElapsedContainerMillis)
-                .setElapsedSessionMillis(
-                        SystemClock.uptimeMillis() - mElapsedSessionMillis).build();
-        try {
-            dispatchUserEvent(LauncherEvent.parseFrom(launcherEvent.toByteArray()), null);
-        } catch (InvalidProtocolBufferNanoException e) {
-            throw new RuntimeException("Cannot convert LauncherEvent from Lite to Nano version.");
-        }
-    }
-
-    public void logDeepShortcutsOpen(View icon) {
-        ItemInfo info = (ItemInfo) icon.getTag();
-        Target child = newItemTarget(info, mInstantAppResolver);
-        ArrayList<Target> targets = makeTargetsList(child);
-        fillLogContainer(icon, child, targets);
-        dispatchUserEvent(newLauncherEvent(newTouchAction(Action.Touch.TAP), targets), null);
-    }
-
-    public void logDragNDrop(DropTarget.DragObject dragObj, View dropTargetAsView) {
-        Target srcChild = newItemTarget(dragObj.originalDragInfo, mInstantAppResolver);
-        ArrayList<Target> srcTargets = makeTargetsList(srcChild);
-
-
-        Target destChild = newItemTarget(dragObj.originalDragInfo, mInstantAppResolver);
-        ArrayList<Target> destTargets = makeTargetsList(destChild);
-
-        //dragObj.dragSource.fillInLogContainerData(dragObj.originalDragInfo, srcChild, srcTargets);
-        if (dropTargetAsView instanceof LogContainerProvider) {
-            ((LogContainerProvider) dropTargetAsView).fillInLogContainerData(dragObj.dragInfo,
-                    destChild, destTargets);
-        }
-        else {
-            destTargets.add(newDropTarget(dropTargetAsView));
-        }
-        LauncherEvent event = newLauncherEvent(newTouchAction(Action.Touch.DRAGDROP), srcTargets);
-        Target[] destTargetsArray = new Target[destTargets.size()];
-        destTargets.toArray(destTargetsArray);
-        event.destTarget = destTargetsArray;
-
-        event.actionDurationMillis = SystemClock.uptimeMillis() - mActionDurationMillis;
-        dispatchUserEvent(event, null);
-    }
-
-    public final void startSession() {
-        mSessionStarted = true;
-        mElapsedSessionMillis = SystemClock.uptimeMillis();
-        mElapsedContainerMillis = SystemClock.uptimeMillis();
-    }
-
-    public final void setPreviousHomeGesture(boolean homeGesture) {
-        mPreviousHomeGesture = homeGesture;
-    }
-
-    public final boolean isPreviousHomeGesture() {
-        return mPreviousHomeGesture;
-    }
-
-    public final void resetActionDurationMillis() {
-        mActionDurationMillis = SystemClock.uptimeMillis();
-    }
-
-    public void dispatchUserEvent(LauncherEvent ev, Intent intent) {
-        if (mPreviousHomeGesture) {
-            mPreviousHomeGesture = false;
-        }
-        mAppOrTaskLaunch = false;
-        ev.elapsedContainerMillis = SystemClock.uptimeMillis() - mElapsedContainerMillis;
-        ev.elapsedSessionMillis = SystemClock.uptimeMillis() - mElapsedSessionMillis;
-        if (!IS_VERBOSE) {
-            return;
-        }
-        LauncherLogProto.LauncherEvent liteLauncherEvent;
-        try {
-            liteLauncherEvent =
-                    LauncherLogProto.LauncherEvent.parseFrom(MessageNano.toByteArray(ev));
-        } catch (InvalidProtocolBufferException e) {
-            throw new RuntimeException("Cannot parse LauncherEvent from Nano to Lite version");
-        }
-        Log.d(TAG, liteLauncherEvent.toString());
-    }
-
-    /**
-     * Constructs an ArrayList with targets
-     */
-    public static ArrayList<Target> makeTargetsList(Target... targets) {
-        ArrayList<Target> result = new ArrayList<>();
-        for (Target target : targets) {
-            result.add(target);
-        }
-        return result;
-    }
-}
diff --git a/src/com/android/launcher3/model/data/FolderInfo.java b/src/com/android/launcher3/model/data/FolderInfo.java
index 41ccbd7..06a2c92 100644
--- a/src/com/android/launcher3/model/data/FolderInfo.java
+++ b/src/com/android/launcher3/model/data/FolderInfo.java
@@ -20,15 +20,9 @@
 
 import static androidx.core.util.Preconditions.checkNotNull;
 
-import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_DESKTOP;
-import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_HOTSEAT;
 import static com.android.launcher3.logger.LauncherAtom.Attribute.EMPTY_LABEL;
 import static com.android.launcher3.logger.LauncherAtom.Attribute.MANUAL_LABEL;
 import static com.android.launcher3.logger.LauncherAtom.Attribute.SUGGESTED_LABEL;
-import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_CUSTOM;
-import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_EMPTY;
-import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_FOLDER_LABEL_STATE_UNSPECIFIED;
-import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_SUGGESTED;
 
 import android.os.Process;
 
@@ -43,10 +37,6 @@
 import com.android.launcher3.logger.LauncherAtom.FromState;
 import com.android.launcher3.logger.LauncherAtom.ToState;
 import com.android.launcher3.model.ModelWriter;
-import com.android.launcher3.userevent.LauncherLogProto;
-import com.android.launcher3.userevent.LauncherLogProto.Target;
-import com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState;
-import com.android.launcher3.userevent.LauncherLogProto.Target.ToFolderLabelState;
 import com.android.launcher3.util.ContentWriter;
 
 import java.util.ArrayList;
@@ -359,113 +349,4 @@
         }
         return LauncherAtom.ToState.TO_STATE_UNSPECIFIED;
     }
-
-    /**
-     * Returns {@link LauncherLogProto.LauncherEvent} to log current folder label info.
-     *
-     * @deprecated This method is used only for validation purpose and soon will be removed.
-     */
-    @Deprecated
-    public LauncherLogProto.LauncherEvent getFolderLabelStateLauncherEvent(FromState fromState,
-            ToState toState) {
-        return LauncherLogProto.LauncherEvent.newBuilder()
-                .setAction(LauncherLogProto.Action
-                        .newBuilder()
-                        .setType(LauncherLogProto.Action.Type.SOFT_KEYBOARD))
-                .addSrcTarget(Target
-                        .newBuilder()
-                        .setType(Target.Type.ITEM)
-                        .setItemType(LauncherLogProto.ItemType.EDITTEXT)
-                        .setFromFolderLabelState(convertFolderLabelState(fromState))
-                        .setToFolderLabelState(convertFolderLabelState(toState)))
-                .addSrcTarget(Target.newBuilder()
-                        .setType(Target.Type.CONTAINER)
-                        .setContainerType(LauncherLogProto.ContainerType.FOLDER)
-                        .setPageIndex(screenId)
-                        .setGridX(cellX)
-                        .setGridY(cellY)
-                        .setCardinality(contents.size()))
-                .addSrcTarget(newParentContainerTarget())
-                .build();
-    }
-
-    /**
-     * @deprecated This method is used only for validation purpose and soon will be removed.
-     */
-    @Deprecated
-    private Target.Builder newParentContainerTarget() {
-        Target.Builder builder = Target.newBuilder().setType(Target.Type.CONTAINER);
-        switch (container) {
-            case CONTAINER_HOTSEAT:
-                return builder.setContainerType(LauncherLogProto.ContainerType.HOTSEAT);
-            case CONTAINER_DESKTOP:
-                return builder.setContainerType(LauncherLogProto.ContainerType.WORKSPACE);
-            default:
-                throw new AssertionError(String
-                        .format("Expected container to be either %s or %s but found %s.",
-                                CONTAINER_HOTSEAT,
-                                CONTAINER_DESKTOP,
-                                container));
-        }
-    }
-
-    /**
-     * @deprecated This method is used only for validation purpose and soon will be removed.
-     */
-    @Deprecated
-    private static FromFolderLabelState convertFolderLabelState(FromState fromState) {
-        switch (fromState) {
-            case FROM_EMPTY:
-                return FROM_EMPTY;
-            case FROM_SUGGESTED:
-                return FROM_SUGGESTED;
-            case FROM_CUSTOM:
-                return FROM_CUSTOM;
-            default:
-                return FROM_FOLDER_LABEL_STATE_UNSPECIFIED;
-        }
-    }
-
-    /**
-     * @deprecated This method is used only for validation purpose and soon will be removed.
-     */
-    @Deprecated
-    private static ToFolderLabelState convertFolderLabelState(ToState toState) {
-        switch (toState) {
-            case UNCHANGED:
-                return ToFolderLabelState.UNCHANGED;
-            case TO_SUGGESTION0:
-                return ToFolderLabelState.TO_SUGGESTION0_WITH_VALID_PRIMARY;
-            case TO_SUGGESTION1_WITH_VALID_PRIMARY:
-                return ToFolderLabelState.TO_SUGGESTION1_WITH_VALID_PRIMARY;
-            case TO_SUGGESTION1_WITH_EMPTY_PRIMARY:
-                return ToFolderLabelState.TO_SUGGESTION1_WITH_EMPTY_PRIMARY;
-            case TO_SUGGESTION2_WITH_VALID_PRIMARY:
-                return ToFolderLabelState.TO_SUGGESTION2_WITH_VALID_PRIMARY;
-            case TO_SUGGESTION2_WITH_EMPTY_PRIMARY:
-                return ToFolderLabelState.TO_SUGGESTION2_WITH_EMPTY_PRIMARY;
-            case TO_SUGGESTION3_WITH_VALID_PRIMARY:
-                return ToFolderLabelState.TO_SUGGESTION3_WITH_VALID_PRIMARY;
-            case TO_SUGGESTION3_WITH_EMPTY_PRIMARY:
-                return ToFolderLabelState.TO_SUGGESTION3_WITH_EMPTY_PRIMARY;
-            case TO_EMPTY_WITH_VALID_PRIMARY:
-                return ToFolderLabelState.TO_EMPTY_WITH_VALID_PRIMARY;
-            case TO_EMPTY_WITH_VALID_SUGGESTIONS_AND_EMPTY_PRIMARY:
-                return ToFolderLabelState.TO_EMPTY_WITH_VALID_SUGGESTIONS_AND_EMPTY_PRIMARY;
-            case TO_EMPTY_WITH_EMPTY_SUGGESTIONS:
-                return ToFolderLabelState.TO_EMPTY_WITH_EMPTY_SUGGESTIONS;
-            case TO_EMPTY_WITH_SUGGESTIONS_DISABLED:
-                return ToFolderLabelState.TO_EMPTY_WITH_SUGGESTIONS_DISABLED;
-            case TO_CUSTOM_WITH_VALID_PRIMARY:
-                return ToFolderLabelState.TO_CUSTOM_WITH_VALID_PRIMARY;
-            case TO_CUSTOM_WITH_VALID_SUGGESTIONS_AND_EMPTY_PRIMARY:
-                return ToFolderLabelState.TO_CUSTOM_WITH_VALID_SUGGESTIONS_AND_EMPTY_PRIMARY;
-            case TO_CUSTOM_WITH_EMPTY_SUGGESTIONS:
-                return ToFolderLabelState.TO_CUSTOM_WITH_EMPTY_SUGGESTIONS;
-            case TO_CUSTOM_WITH_SUGGESTIONS_DISABLED:
-                return ToFolderLabelState.TO_CUSTOM_WITH_SUGGESTIONS_DISABLED;
-            default:
-                return ToFolderLabelState.TO_FOLDER_LABEL_STATE_UNSPECIFIED;
-        }
-    }
 }
diff --git a/src/com/android/launcher3/notification/NotificationMainView.java b/src/com/android/launcher3/notification/NotificationMainView.java
index 32f060b..9b06523 100644
--- a/src/com/android/launcher3/notification/NotificationMainView.java
+++ b/src/com/android/launcher3/notification/NotificationMainView.java
@@ -17,6 +17,7 @@
 package com.android.launcher3.notification;
 
 import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_NOTIFICATION_DISMISSED;
 
 import android.animation.Animator;
 import android.animation.ObjectAnimator;
@@ -41,7 +42,6 @@
 import com.android.launcher3.touch.BaseSwipeDetector;
 import com.android.launcher3.touch.OverScroll;
 import com.android.launcher3.touch.SingleAxisSwipeDetector;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.util.Themes;
 
 /**
@@ -168,10 +168,7 @@
         Launcher launcher = Launcher.getLauncher(getContext());
         launcher.getPopupDataProvider().cancelNotification(
                 mNotificationInfo.notificationKey);
-        launcher.getUserEventDispatcher().logActionOnItem(
-                LauncherLogProto.Action.Touch.SWIPE,
-                LauncherLogProto.Action.Direction.RIGHT, // Assume all swipes are right for logging.
-                LauncherLogProto.ItemType.NOTIFICATION);
+        launcher.getStatsLogManager().logger().log(LAUNCHER_NOTIFICATION_DISMISSED);
     }
 
     // SingleAxisSwipeDetector.Listener's
diff --git a/src/com/android/launcher3/popup/PopupContainerWithArrow.java b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
index 26b32b8..6d92b8b 100644
--- a/src/com/android/launcher3/popup/PopupContainerWithArrow.java
+++ b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
@@ -19,10 +19,8 @@
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_SHORTCUTS;
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.Utilities.squaredTouchSlop;
-import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 import static com.android.launcher3.popup.PopupPopulator.MAX_SHORTCUTS;
 import static com.android.launcher3.popup.PopupPopulator.MAX_SHORTCUTS_IF_NOTIFICATIONS;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
 import android.animation.AnimatorSet;
@@ -160,8 +158,7 @@
         if (ev.getAction() == MotionEvent.ACTION_DOWN) {
             BaseDragLayer dl = getPopupContainer();
             if (!dl.isEventOverView(this, ev)) {
-                mLauncher.getUserEventDispatcher().logActionTapOutside(
-                        newContainerTarget(ContainerType.DEEPSHORTCUTS));
+                // TODO: add WW log if want to log if tap closed deep shortcut container.
                 close(true);
 
                 // We let touches on the original icon go through so that users can launch
@@ -435,7 +432,9 @@
                     // Make sure we keep the original icon hidden while it is being dragged.
                     mOriginalIcon.setVisibility(INVISIBLE);
                 } else {
-                    mLauncher.getUserEventDispatcher().logDeepShortcutsOpen(mOriginalIcon);
+                    // TODO: add WW logging if want to add logging for long press on popup
+                    //  container.
+                    //  mLauncher.getUserEventDispatcher().logDeepShortcutsOpen(mOriginalIcon);
                     if (!mIsAboveIcon) {
                         // Show the icon but keep the text hidden.
                         mOriginalIcon.setVisibility(VISIBLE);
diff --git a/src/com/android/launcher3/popup/RemoteActionShortcut.java b/src/com/android/launcher3/popup/RemoteActionShortcut.java
index 61829c0..7c393ad 100644
--- a/src/com/android/launcher3/popup/RemoteActionShortcut.java
+++ b/src/com/android/launcher3/popup/RemoteActionShortcut.java
@@ -37,7 +37,6 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.userevent.nano.LauncherLogProto;
 
 @TargetApi(Build.VERSION_CODES.Q)
 public class RemoteActionShortcut extends SystemShortcut<BaseDraggingActivity> {
@@ -107,9 +106,6 @@
                     Toast.LENGTH_SHORT)
                     .show();
         }
-
-        mTarget.getUserEventDispatcher().logActionOnControl(LauncherLogProto.Action.Touch.TAP,
-                LauncherLogProto.ControlType.REMOTE_ACTION_SHORTCUT, view);
     }
 
     @Override
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index 81302ac..577fe4a 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -21,8 +21,6 @@
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
 import com.android.launcher3.util.InstantAppResolver;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.PackageUserKey;
@@ -117,8 +115,6 @@
                     (WidgetsBottomSheet) mTarget.getLayoutInflater().inflate(
                             R.layout.widgets_bottom_sheet, mTarget.getDragLayer(), false);
             widgetsBottomSheet.populateAndShow(mItemInfo);
-            mTarget.getUserEventDispatcher().logActionOnControl(Action.Touch.TAP,
-                    ControlType.WIDGETS_BUTTON, view);
             mTarget.getStatsLogManager().logger().withItemInfo(mItemInfo)
                     .log(LAUNCHER_SYSTEM_SHORTCUT_WIDGETS_TAP);
         }
@@ -139,8 +135,6 @@
             Rect sourceBounds = mTarget.getViewBounds(view);
             new PackageManagerHelper(mTarget).startDetailsActivityForInfo(
                     mItemInfo, sourceBounds, ActivityOptions.makeBasic().toBundle());
-            mTarget.getUserEventDispatcher().logActionOnControl(Action.Touch.TAP,
-                    ControlType.APPINFO_TARGET, view);
             mTarget.getStatsLogManager().logger().withItemInfo(mItemInfo)
                     .log(LAUNCHER_SYSTEM_SHORTCUT_APP_INFO_TAP);
         }
diff --git a/src/com/android/launcher3/states/HintState.java b/src/com/android/launcher3/states/HintState.java
index b8a184f..fd1d965 100644
--- a/src/com/android/launcher3/states/HintState.java
+++ b/src/com/android/launcher3/states/HintState.java
@@ -15,11 +15,12 @@
  */
 package com.android.launcher3.states;
 
+import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
+
 import android.content.Context;
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 
 /**
  * Scale down workspace/hotseat to hint at going to either overview (on pause) or first home screen.
@@ -30,7 +31,7 @@
             | FLAG_HAS_SYS_UI_SCRIM;
 
     public HintState(int id) {
-        super(id, ContainerType.DEFAULT_CONTAINERTYPE, STATE_FLAGS);
+        super(id, LAUNCHER_STATE_HOME, STATE_FLAGS);
     }
 
     @Override
diff --git a/src/com/android/launcher3/states/SpringLoadedState.java b/src/com/android/launcher3/states/SpringLoadedState.java
index 2a4f887..45172b5 100644
--- a/src/com/android/launcher3/states/SpringLoadedState.java
+++ b/src/com/android/launcher3/states/SpringLoadedState.java
@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.states;
 
+import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
+
 import android.content.Context;
 import android.graphics.Rect;
 
@@ -22,7 +24,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.Workspace;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 
 /**
  * Definition for spring loaded state used during drag and drop.
@@ -35,7 +36,7 @@
             | FLAG_HIDE_BACK_BUTTON;
 
     public SpringLoadedState(int id) {
-        super(id, ContainerType.WORKSPACE, STATE_FLAGS);
+        super(id, LAUNCHER_STATE_HOME, STATE_FLAGS);
     }
 
     @Override
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index 8ee5a6e..9fd53e2 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -21,6 +21,9 @@
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity;
 import static com.android.launcher3.config.FeatureFlags.UNSTABLE_SPRINGS;
+import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_ALLAPPS;
+import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
+import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_OVERVIEW;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_UNKNOWN_SWIPEDOWN;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_UNKNOWN_SWIPEUP;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_COMPONENTS;
@@ -52,9 +55,6 @@
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.states.StateAnimationConfig.AnimationFlags;
 import com.android.launcher3.testing.TestProtocol;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.util.FlingBlockCheck;
 import com.android.launcher3.util.TouchController;
 
@@ -190,11 +190,6 @@
 
     protected abstract float initCurrentAnimation(@AnimationFlags int animComponents);
 
-    /**
-     * Returns the container that the touch started from when leaving NORMAL state.
-     */
-    protected abstract int getLogContainerTypeForNormalState(MotionEvent ev);
-
     private boolean reinitCurrentAnimation(boolean reachedToState, boolean isDragTowardPositive) {
         LauncherState newFromState = mFromState == null ? mLauncher.getStateManager().getState()
                 : reachedToState ? mToState : mFromState;
@@ -307,11 +302,11 @@
     public boolean onDrag(float displacement, MotionEvent ev) {
         if (!mIsLogContainerSet) {
             if (mStartState == ALL_APPS) {
-                mStartContainerType = ContainerType.ALLAPPS;
+                mStartContainerType = LAUNCHER_STATE_ALLAPPS;
             } else if (mStartState == NORMAL) {
-                mStartContainerType = getLogContainerTypeForNormalState(ev);
+                mStartContainerType = LAUNCHER_STATE_HOME;
             } else if (mStartState == OVERVIEW) {
-                mStartContainerType = ContainerType.TASKSWITCHER;
+                mStartContainerType = LAUNCHER_STATE_OVERVIEW;
             }
             mIsLogContainerSet = true;
         }
@@ -401,7 +396,6 @@
     @Override
     public void onDragEnd(float velocity) {
         boolean fling = mDetector.isFling(velocity);
-        final int logAction = fling ? Touch.FLING : Touch.SWIPE;
 
         boolean blockedFling = fling && mFlingBlockCheck.isBlocked();
         if (blockedFling) {
@@ -458,7 +452,7 @@
             }
         }
 
-        mCurrentAnimation.setEndAction(() -> onSwipeInteractionCompleted(targetState, logAction));
+        mCurrentAnimation.setEndAction(() -> onSwipeInteractionCompleted(targetState));
         ValueAnimator anim = mCurrentAnimation.getAnimationPlayer();
         anim.setFloatValues(startProgress, endProgress);
         maybeUpdateAtomicAnim(mFromState, targetState, targetState == mToState ? 1f : 0f);
@@ -522,11 +516,7 @@
                 .setInterpolator(scrollInterpolatorForVelocity(velocity));
     }
 
-    protected int getDirectionForLog() {
-        return mToState.ordinal > mFromState.ordinal ? Direction.UP : Direction.DOWN;
-    }
-
-    protected void onSwipeInteractionCompleted(LauncherState targetState, int logAction) {
+    protected void onSwipeInteractionCompleted(LauncherState targetState) {
         if (mAtomicComponentsController != null) {
             mAtomicComponentsController.getAnimationPlayer().end();
             mAtomicComponentsController = null;
@@ -535,18 +525,18 @@
         boolean shouldGoToTargetState = true;
         if (mPendingAnimation != null) {
             boolean reachedTarget = mToState == targetState;
-            mPendingAnimation.finish(reachedTarget, logAction);
+            mPendingAnimation.finish(reachedTarget);
             mPendingAnimation = null;
             shouldGoToTargetState = !reachedTarget;
         }
         if (shouldGoToTargetState) {
-            goToTargetState(targetState, logAction);
+            goToTargetState(targetState);
         }
     }
 
-    protected void goToTargetState(LauncherState targetState, int logAction) {
+    protected void goToTargetState(LauncherState targetState) {
         if (targetState != mStartState) {
-            logReachedState(logAction, targetState);
+            logReachedState(targetState);
         }
         if (!mLauncher.isInState(targetState)) {
             // If we're already in the target state, don't jump to it at the end of the animation in
@@ -556,24 +546,18 @@
         mLauncher.getDragLayer().getScrim().createSysuiMultiplierAnim(1f).setDuration(0).start();
     }
 
-    private void logReachedState(int logAction, LauncherState targetState) {
+    private void logReachedState(LauncherState targetState) {
         // Transition complete. log the action
-        mLauncher.getUserEventDispatcher().logStateChangeAction(logAction,
-                getDirectionForLog(), mDetector.getDownX(), mDetector.getDownY(),
-                mStartContainerType /* e.g., hotseat */,
-                mStartState.containerType /* e.g., workspace */,
-                targetState.containerType,
-                mLauncher.getWorkspace().getCurrentPage());
         mLauncher.getStatsLogManager().logger()
-                .withSrcState(StatsLogManager.containerTypeToAtomState(mStartState.containerType))
-                .withDstState(StatsLogManager.containerTypeToAtomState(targetState.containerType))
+                .withSrcState(mStartState.statsLogOrdinal)
+                .withDstState(targetState.statsLogOrdinal)
                 .withContainerInfo(LauncherAtom.ContainerInfo.newBuilder()
                         .setWorkspace(
                                 LauncherAtom.WorkspaceContainer.newBuilder()
                                         .setPageIndex(mLauncher.getWorkspace().getCurrentPage()))
                         .build())
-                .log(StatsLogManager.getLauncherAtomEvent(mStartState.containerType,
-                            targetState.containerType, mToState.ordinal > mFromState.ordinal
+                .log(StatsLogManager.getLauncherAtomEvent(mStartState.statsLogOrdinal,
+                            targetState.statsLogOrdinal, mToState.ordinal > mFromState.ordinal
                                     ? LAUNCHER_UNKNOWN_SWIPEUP
                                     : LAUNCHER_UNKNOWN_SWIPEDOWN));
     }
diff --git a/src/com/android/launcher3/touch/AllAppsSwipeController.java b/src/com/android/launcher3/touch/AllAppsSwipeController.java
index 4a202b6..f9dcf2d 100644
--- a/src/com/android/launcher3/touch/AllAppsSwipeController.java
+++ b/src/com/android/launcher3/touch/AllAppsSwipeController.java
@@ -24,7 +24,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.states.StateAnimationConfig.AnimationFlags;
-import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 
 /**
  * TouchController to switch between NORMAL and ALL_APPS state.
@@ -70,12 +69,6 @@
     }
 
     @Override
-    protected int getLogContainerTypeForNormalState(MotionEvent ev) {
-        return mLauncher.getDragLayer().isEventOverView(mLauncher.getHotseat(), mTouchDownEvent)
-                ? ContainerType.HOTSEAT : ContainerType.WORKSPACE;
-    }
-
-    @Override
     protected float initCurrentAnimation(@AnimationFlags int animComponents) {
         float range = getShiftRange();
         long maxAccuracy = (long) (2 * range);