diff --git a/src/com/android/launcher3/FolderInfo.java b/src/com/android/launcher3/FolderInfo.java
index 4c88e7e..5fff2e7 100644
--- a/src/com/android/launcher3/FolderInfo.java
+++ b/src/com/android/launcher3/FolderInfo.java
@@ -93,7 +93,7 @@
     }
 
     @Override
-    void onAddToDatabase(ContentWriter writer) {
+    public void onAddToDatabase(ContentWriter writer) {
         super.onAddToDatabase(writer);
         writer.put(LauncherSettings.Favorites.TITLE, title)
                 .put(LauncherSettings.Favorites.OPTIONS, options);
diff --git a/src/com/android/launcher3/ItemInfo.java b/src/com/android/launcher3/ItemInfo.java
index 82c7ab8..aec6c7d 100644
--- a/src/com/android/launcher3/ItemInfo.java
+++ b/src/com/android/launcher3/ItemInfo.java
@@ -166,7 +166,7 @@
     /**
      * Write the fields of this item to the DB
      */
-    void onAddToDatabase(ContentWriter writer) {
+    public void onAddToDatabase(ContentWriter writer) {
         if (screenId == Workspace.EXTRA_EMPTY_SCREEN_ID) {
             // We should never persist an item on the extra empty screen.
             throw new RuntimeException("Screen id should not be EXTRA_EMPTY_SCREEN_ID");
diff --git a/src/com/android/launcher3/LauncherAppWidgetInfo.java b/src/com/android/launcher3/LauncherAppWidgetInfo.java
index 285a93c..1e0f285 100644
--- a/src/com/android/launcher3/LauncherAppWidgetInfo.java
+++ b/src/com/android/launcher3/LauncherAppWidgetInfo.java
@@ -65,7 +65,7 @@
     /**
      * Indicates that the widget hasn't been instantiated yet.
      */
-    static final int NO_ID = -1;
+    public static final int NO_ID = -1;
 
     /**
      * Indicates that this is a locally defined widget and hence has no system allocated id.
@@ -126,7 +126,7 @@
     }
 
     @Override
-    void onAddToDatabase(ContentWriter writer) {
+    public void onAddToDatabase(ContentWriter writer) {
         super.onAddToDatabase(writer);
         writer.put(LauncherSettings.Favorites.APPWIDGET_ID, appWidgetId)
                 .put(LauncherSettings.Favorites.APPWIDGET_PROVIDER, providerName.flattenToString())
diff --git a/src/com/android/launcher3/MainThreadExecutor.java b/src/com/android/launcher3/MainThreadExecutor.java
index 866b17c..4ca0a59 100644
--- a/src/com/android/launcher3/MainThreadExecutor.java
+++ b/src/com/android/launcher3/MainThreadExecutor.java
@@ -16,65 +16,18 @@
 
 package com.android.launcher3;
 
-import android.os.Handler;
 import android.os.Looper;
 
-import java.util.List;
-import java.util.concurrent.AbstractExecutorService;
-import java.util.concurrent.TimeUnit;
+import com.android.launcher3.util.LooperExecuter;
 
 /**
  * An executor service that executes its tasks on the main thread.
  *
  * Shutting down this executor is not supported.
  */
-public class MainThreadExecutor extends AbstractExecutorService {
+public class MainThreadExecutor extends LooperExecuter {
 
-    private Handler mHandler = new Handler(Looper.getMainLooper());
-
-    @Override
-    public void execute(Runnable runnable) {
-        if (Looper.getMainLooper() == Looper.myLooper()) {
-            runnable.run();
-        } else {
-            mHandler.post(runnable);
-        }
-    }
-
-    /**
-     * Not supported and throws an exception when used.
-     */
-    @Override
-    @Deprecated
-    public void shutdown() {
-        throw new UnsupportedOperationException();
-    }
-
-    /**
-     * Not supported and throws an exception when used.
-     */
-    @Override
-    @Deprecated
-    public List<Runnable> shutdownNow() {
-        throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public boolean isShutdown() {
-        return false;
-    }
-
-    @Override
-    public boolean isTerminated() {
-        return false;
-    }
-
-    /**
-     * Not supported and throws an exception when used.
-     */
-    @Override
-    @Deprecated
-    public boolean awaitTermination(long l, TimeUnit timeUnit) throws InterruptedException {
-        throw new UnsupportedOperationException();
+    public MainThreadExecutor() {
+        super(Looper.getMainLooper());
     }
 }
diff --git a/src/com/android/launcher3/ShortcutInfo.java b/src/com/android/launcher3/ShortcutInfo.java
index 1a42395..b35dcb7 100644
--- a/src/com/android/launcher3/ShortcutInfo.java
+++ b/src/com/android/launcher3/ShortcutInfo.java
@@ -161,7 +161,7 @@
     }
 
     @Override
-    void onAddToDatabase(ContentWriter writer) {
+    public void onAddToDatabase(ContentWriter writer) {
         super.onAddToDatabase(writer);
         writer.put(LauncherSettings.BaseLauncherColumns.TITLE, title)
                 .put(LauncherSettings.BaseLauncherColumns.INTENT, getIntent())
diff --git a/src/com/android/launcher3/util/LooperExecuter.java b/src/com/android/launcher3/util/LooperExecuter.java
new file mode 100644
index 0000000..4db999b
--- /dev/null
+++ b/src/com/android/launcher3/util/LooperExecuter.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2017 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.util;
+
+import android.os.Handler;
+import android.os.Looper;
+
+import java.util.List;
+import java.util.concurrent.AbstractExecutorService;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Extension of {@link AbstractExecutorService} which executed on a provided looper.
+ */
+public class LooperExecuter extends AbstractExecutorService {
+
+    private final Handler mHandler;
+
+    public LooperExecuter(Looper looper) {
+        mHandler = new Handler(looper);
+    }
+
+    @Override
+    public void execute(Runnable runnable) {
+        if (mHandler.getLooper() == Looper.myLooper()) {
+            runnable.run();
+        } else {
+            mHandler.post(runnable);
+        }
+    }
+
+    /**
+     * Not supported and throws an exception when used.
+     */
+    @Override
+    @Deprecated
+    public void shutdown() {
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Not supported and throws an exception when used.
+     */
+    @Override
+    @Deprecated
+    public List<Runnable> shutdownNow() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean isShutdown() {
+        return false;
+    }
+
+    @Override
+    public boolean isTerminated() {
+        return false;
+    }
+
+    /**
+     * Not supported and throws an exception when used.
+     */
+    @Override
+    @Deprecated
+    public boolean awaitTermination(long l, TimeUnit timeUnit) throws InterruptedException {
+        throw new UnsupportedOperationException();
+    }
+}