diff --git a/res/values/config.xml b/res/values/config.xml
index 6bd01b5..4b68b50 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -70,6 +70,7 @@
     <string name="instant_app_resolver_class" translatable="false"></string>
     <string name="main_process_initializer_class" translatable="false"></string>
     <string name="system_shortcut_factory_class" translatable="false"></string>
+    <string name="app_launch_tracker_class" translatable="false"></string>
 
     <!-- Package name of the default wallpaper picker. -->
     <string name="wallpaper_picker_package" translatable="false"></string>
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index ff9dd13..18599ac 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.model.AppLaunchTracker.CONTAINER_SEARCH;
+
 import android.app.ActivityOptions;
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
@@ -32,10 +34,13 @@
 
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.compat.LauncherAppsCompat;
+import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.uioverrides.DisplayRotationListener;
 import com.android.launcher3.uioverrides.WallpaperColorInfo;
 
+import androidx.annotation.Nullable;
+
 /**
  * Extension of BaseActivity allowing support for drag-n-drop
  */
@@ -148,7 +153,8 @@
 
     public abstract ActivityOptions getActivityLaunchOptions(View v);
 
-    public boolean startActivitySafely(View v, Intent intent, ItemInfo item) {
+    public boolean startActivitySafely(View v, Intent intent, @Nullable ItemInfo item,
+            @Nullable String sourceContainer) {
         if (mIsSafeModeEnabled && !Utilities.isSystemApp(this, intent)) {
             Toast.makeText(this, R.string.safemode_shortcut_error, Toast.LENGTH_SHORT).show();
             return false;
@@ -169,13 +175,17 @@
                     && !((ShortcutInfo) item).isPromise();
             if (isShortcut) {
                 // Shortcuts need some special checks due to legacy reasons.
-                startShortcutIntentSafely(intent, optsBundle, item);
+                startShortcutIntentSafely(intent, optsBundle, item, sourceContainer);
             } else if (user == null || user.equals(Process.myUserHandle())) {
                 // Could be launching some bookkeeping activity
                 startActivity(intent, optsBundle);
+                AppLaunchTracker.INSTANCE.get(this).onStartApp(intent.getComponent(),
+                        Process.myUserHandle(), sourceContainer);
             } else {
                 LauncherAppsCompat.getInstance(this).startActivityForProfile(
                         intent.getComponent(), user, intent.getSourceBounds(), optsBundle);
+                AppLaunchTracker.INSTANCE.get(this).onStartApp(intent.getComponent(), user,
+                        sourceContainer);
             }
             getUserEventDispatcher().logAppLaunch(v, intent);
             getStatsLogManager().logAppLaunch(v, intent);
@@ -187,7 +197,8 @@
         return false;
     }
 
-    private void startShortcutIntentSafely(Intent intent, Bundle optsBundle, ItemInfo info) {
+    private void startShortcutIntentSafely(Intent intent, Bundle optsBundle, ItemInfo info,
+            @Nullable String sourceContainer) {
         try {
             StrictMode.VmPolicy oldPolicy = StrictMode.getVmPolicy();
             try {
@@ -202,6 +213,8 @@
                     String packageName = intent.getPackage();
                     DeepShortcutManager.getInstance(this).startShortcut(
                             packageName, id, intent.getSourceBounds(), optsBundle, info.user);
+                    AppLaunchTracker.INSTANCE.get(this).onStartShortcut(packageName, id, info.user,
+                            sourceContainer);
                 } else {
                     // Could be launching some bookkeeping activity
                     startActivity(intent, optsBundle);
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index f283a6c..867001a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -97,6 +97,7 @@
 import com.android.launcher3.logging.StatsLogUtils;
 import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.logging.UserEventDispatcher.UserEventDelegate;
+import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.model.ModelWriter;
 import com.android.launcher3.notification.NotificationListener;
 import com.android.launcher3.popup.PopupContainerWithArrow;
@@ -694,7 +695,7 @@
 
             if (grantResults.length > 0
                     && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                startActivitySafely(v, intent, null);
+                startActivitySafely(v, intent, null, null);
             } else {
                 // TODO: Show a snack bar with link to settings
                 Toast.makeText(this, getString(R.string.msg_no_phone_permission,
@@ -798,6 +799,7 @@
             getUserEventDispatcher().startSession();
 
             UiFactory.onLauncherStateOrResumeChanged(this);
+            AppLaunchTracker.INSTANCE.get(this).onReturnedToHome();
         }
     }
 
@@ -1652,8 +1654,9 @@
         }
     }
 
-    public boolean startActivitySafely(View v, Intent intent, ItemInfo item) {
-        boolean success = super.startActivitySafely(v, intent, item);
+    public boolean startActivitySafely(View v, Intent intent, ItemInfo item,
+            @Nullable String sourceContainer) {
+        boolean success = super.startActivitySafely(v, intent, item, sourceContainer);
         if (success && v instanceof BubbleTextView) {
             // This is set to the view that launched the activity that navigated the user away
             // from launcher. Since there is no callback for when the activity has finished
diff --git a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
index 69b4bdb..3cfa0b1 100644
--- a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
+++ b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java
@@ -32,6 +32,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.allapps.AlphabeticalAppsList.AdapterItem;
 import com.android.launcher3.compat.UserManagerCompat;
+import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.touch.ItemLongClickListener;
 import com.android.launcher3.util.PackageManagerHelper;
@@ -263,12 +264,8 @@
             case VIEW_TYPE_SEARCH_MARKET:
                 View searchMarketView = mLayoutInflater.inflate(R.layout.all_apps_search_market,
                         parent, false);
-                searchMarketView.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View v) {
-                        mLauncher.startActivitySafely(v, mMarketSearchIntent, null);
-                    }
-                });
+                searchMarketView.setOnClickListener(v -> mLauncher.startActivitySafely(
+                        v, mMarketSearchIntent, null, AppLaunchTracker.CONTAINER_SEARCH));
                 return new ViewHolder(searchMarketView);
             case VIEW_TYPE_ALL_APPS_DIVIDER:
                 return new ViewHolder(mLayoutInflater.inflate(
diff --git a/src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java b/src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java
index 91be504..4515dde 100644
--- a/src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java
+++ b/src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java
@@ -28,6 +28,7 @@
 import com.android.launcher3.ExtendedEditText;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.PackageManagerHelper;
 
@@ -111,7 +112,8 @@
             return false;
         }
         return mLauncher.startActivitySafely(v,
-                PackageManagerHelper.getMarketSearchIntent(mLauncher, query), null);
+                PackageManagerHelper.getMarketSearchIntent(mLauncher, query), null,
+                AppLaunchTracker.CONTAINER_SEARCH);
     }
 
     @Override
diff --git a/src/com/android/launcher3/model/AppLaunchTracker.java b/src/com/android/launcher3/model/AppLaunchTracker.java
new file mode 100644
index 0000000..1613d47
--- /dev/null
+++ b/src/com/android/launcher3/model/AppLaunchTracker.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 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.model;
+
+import static com.android.launcher3.util.ResourceBasedOverride.Overrides.getObject;
+
+import android.content.ComponentName;
+import android.os.UserHandle;
+
+import com.android.launcher3.R;
+import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
+import com.android.launcher3.util.MainThreadInitializedObject;
+import com.android.launcher3.util.ResourceBasedOverride;
+
+import androidx.annotation.Nullable;
+
+/**
+ * Callback for receiving various app launch events
+ */
+public class AppLaunchTracker implements ResourceBasedOverride {
+
+    /**
+     * Derived from LauncherEvent proto.
+     * TODO: Use proper descriptive constants
+     */
+    public static final String CONTAINER_DEFAULT = Integer.toString(ContainerType.WORKSPACE);
+    public static final String CONTAINER_ALL_APPS = Integer.toString(ContainerType.ALLAPPS);
+    public static final String CONTAINER_PREDICTIONS = Integer.toString(ContainerType.PREDICTION);
+    public static final String CONTAINER_SEARCH = Integer.toString(ContainerType.SEARCHRESULT);
+
+
+    public static final MainThreadInitializedObject<AppLaunchTracker> INSTANCE =
+            new MainThreadInitializedObject<>(c ->
+                    getObject(AppLaunchTracker.class, c, R.string.app_launch_tracker_class));
+
+    public void onStartShortcut(String packageName, String shortcutId, UserHandle user,
+            @Nullable String container) { }
+
+    public void onStartApp(ComponentName componentName, UserHandle user,
+            @Nullable String container) { }
+
+    public void onReturnedToHome() { }
+}
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index fdc1b39..e7b8292 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -195,7 +195,7 @@
             return view -> {
                 Intent intent = new PackageManagerHelper(view.getContext()).getMarketIntent(
                         itemInfo.getTargetComponent().getPackageName());
-                activity.startActivitySafely(view, intent, itemInfo);
+                activity.startActivitySafely(view, intent, itemInfo, null);
                 AbstractFloatingView.closeAllOpenViews(activity);
             };
         }
diff --git a/src/com/android/launcher3/touch/ItemClickHandler.java b/src/com/android/launcher3/touch/ItemClickHandler.java
index 52fef9f..3639090 100644
--- a/src/com/android/launcher3/touch/ItemClickHandler.java
+++ b/src/com/android/launcher3/touch/ItemClickHandler.java
@@ -22,6 +22,8 @@
 import static com.android.launcher3.ItemInfoWithIcon.FLAG_DISABLED_SUSPENDED;
 import static com.android.launcher3.Launcher.REQUEST_BIND_PENDING_APPWIDGET;
 import static com.android.launcher3.Launcher.REQUEST_RECONFIGURE_APPWIDGET;
+import static com.android.launcher3.model.AppLaunchTracker.CONTAINER_ALL_APPS;
+import static com.android.launcher3.model.AppLaunchTracker.CONTAINER_DEFAULT;
 
 import android.app.AlertDialog;
 import android.content.Intent;
@@ -48,6 +50,8 @@
 import com.android.launcher3.widget.PendingAppWidgetHostView;
 import com.android.launcher3.widget.WidgetAddFlowHandler;
 
+import androidx.annotation.Nullable;
+
 /**
  * Class for handling clicks on workspace and all-apps items
  */
@@ -56,9 +60,13 @@
     /**
      * Instance used for click handling on items
      */
-    public static final OnClickListener INSTANCE = ItemClickHandler::onClick;
+    public static final OnClickListener INSTANCE = getInstance(null);
 
-    private static void onClick(View v) {
+    public static final OnClickListener getInstance(String sourceContainer) {
+        return v -> onClick(v, sourceContainer);
+    }
+
+    private static void onClick(View v, String sourceContainer) {
         // Make sure that rogue clicks don't get through while allapps is launching, or after the
         // view has detached (it's possible for this to happen if the view is removed mid touch).
         if (v.getWindowToken() == null) {
@@ -72,13 +80,14 @@
 
         Object tag = v.getTag();
         if (tag instanceof ShortcutInfo) {
-            onClickAppShortcut(v, (ShortcutInfo) tag, launcher);
+            onClickAppShortcut(v, (ShortcutInfo) tag, launcher, sourceContainer);
         } else if (tag instanceof FolderInfo) {
             if (v instanceof FolderIcon) {
                 onClickFolderIcon(v);
             }
         } else if (tag instanceof AppInfo) {
-            startAppShortcutOrInfoActivity(v, (AppInfo) tag, launcher);
+            startAppShortcutOrInfoActivity(v, (AppInfo) tag, launcher,
+                    sourceContainer == null ? CONTAINER_ALL_APPS: sourceContainer);
         } else if (tag instanceof LauncherAppWidgetInfo) {
             if (v instanceof PendingAppWidgetHostView) {
                 onClickPendingWidget((PendingAppWidgetHostView) v, launcher);
@@ -154,7 +163,7 @@
     private static void startMarketIntentForPackage(View v, Launcher launcher, String packageName) {
         ItemInfo item = (ItemInfo) v.getTag();
         Intent intent = new PackageManagerHelper(launcher).getMarketIntent(packageName);
-        launcher.startActivitySafely(v, intent, item);
+        launcher.startActivitySafely(v, intent, item, null);
     }
 
     /**
@@ -162,7 +171,8 @@
      *
      * @param v The view that was clicked. Must be a tagged with a {@link ShortcutInfo}.
      */
-    public static void onClickAppShortcut(View v, ShortcutInfo shortcut, Launcher launcher) {
+    public static void onClickAppShortcut(View v, ShortcutInfo shortcut, Launcher launcher,
+            @Nullable String sourceContainer) {
         if (shortcut.isDisabled()) {
             final int disabledFlags = shortcut.runtimeStatusFlags & ShortcutInfo.FLAG_DISABLED_MASK;
             if ((disabledFlags &
@@ -201,10 +211,11 @@
         }
 
         // Start activities
-        startAppShortcutOrInfoActivity(v, shortcut, launcher);
+        startAppShortcutOrInfoActivity(v, shortcut, launcher, sourceContainer);
     }
 
-    private static void startAppShortcutOrInfoActivity(View v, ItemInfo item, Launcher launcher) {
+    private static void startAppShortcutOrInfoActivity(View v, ItemInfo item, Launcher launcher,
+            @Nullable String sourceContainer) {
         Intent intent;
         if (item instanceof PromiseAppInfo) {
             PromiseAppInfo promiseAppInfo = (PromiseAppInfo) item;
@@ -227,6 +238,6 @@
                 intent.setPackage(null);
             }
         }
-        launcher.startActivitySafely(v, intent, item);
+        launcher.startActivitySafely(v, intent, item, sourceContainer);
     }
 }
diff --git a/src/com/android/launcher3/views/OptionsPopupView.java b/src/com/android/launcher3/views/OptionsPopupView.java
index e259cfe..6a2f0ff 100644
--- a/src/com/android/launcher3/views/OptionsPopupView.java
+++ b/src/com/android/launcher3/views/OptionsPopupView.java
@@ -217,7 +217,7 @@
         if (!TextUtils.isEmpty(pickerPackage)) {
             intent.setPackage(pickerPackage);
         }
-        return launcher.startActivitySafely(v, intent, null);
+        return launcher.startActivitySafely(v, intent, null, null);
     }
 
     public static class OptionItem {