diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 0bdf8fd..e005320 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -108,14 +108,14 @@
      * All the static data should be accessed on the background thread, A lock should be acquired
      * on this object when accessing any data from this model.
      */
-    static final BgDataModel sBgDataModel = new BgDataModel();
+    private final BgDataModel mBgDataModel = new BgDataModel();
 
     // Runnable to check if the shortcuts permission has changed.
     private final Runnable mShortcutPermissionCheckRunnable = new Runnable() {
         @Override
         public void run() {
             if (mModelLoaded && hasShortcutsPermission(mApp.getContext())
-                    != sBgDataModel.hasShortcutHostPermission) {
+                    != mBgDataModel.hasShortcutHostPermission) {
                 forceReload();
             }
         }
@@ -138,7 +138,7 @@
     }
 
     public ModelWriter getWriter(boolean hasVerticalHotseat, boolean verifyChanges) {
-        return new ModelWriter(mApp.getContext(), this, sBgDataModel,
+        return new ModelWriter(mApp.getContext(), this, mBgDataModel,
                 hasVerticalHotseat, verifyChanges);
     }
 
@@ -303,7 +303,7 @@
 
                 // If there is already one running, tell it to stop.
                 stopLoader();
-                LoaderResults loaderResults = new LoaderResults(mApp, sBgDataModel,
+                LoaderResults loaderResults = new LoaderResults(mApp, mBgDataModel,
                         mBgAllAppsList, synchronousBindPage, mCallbacks);
                 if (mModelLoaded && !mIsLoaderTaskRunning) {
                     // Divide the set of loaded items into those that we are binding synchronously,
@@ -339,7 +339,7 @@
     public void startLoaderForResults(LoaderResults results) {
         synchronized (mLock) {
             stopLoader();
-            mLoaderTask = new LoaderTask(mApp, mBgAllAppsList, sBgDataModel, results);
+            mLoaderTask = new LoaderTask(mApp, mBgAllAppsList, mBgDataModel, results);
 
             // Always post the loader task, instead of running directly (even on same thread) so
             // that we exit any nested synchronized blocks
@@ -487,7 +487,7 @@
     }
 
     public void enqueueModelUpdateTask(ModelUpdateTask task) {
-        task.init(mApp, this, sBgDataModel, mBgAllAppsList, MAIN_EXECUTOR);
+        task.init(mApp, this, mBgDataModel, mBgAllAppsList, MAIN_EXECUTOR);
         MODEL_EXECUTOR.execute(task);
     }
 
@@ -558,7 +558,7 @@
                         + " componentName=" + info.componentName.getPackageName());
             }
         }
-        sBgDataModel.dump(prefix, fd, writer, args);
+        mBgDataModel.dump(prefix, fd, writer, args);
     }
 
     public Callbacks getCallback() {
diff --git a/src/com/android/launcher3/util/Executors.java b/src/com/android/launcher3/util/Executors.java
index 4d5ee49..0a32734 100644
--- a/src/com/android/launcher3/util/Executors.java
+++ b/src/com/android/launcher3/util/Executors.java
@@ -19,7 +19,6 @@
 import android.os.Looper;
 import android.os.Process;
 
-import java.util.concurrent.Executor;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
@@ -36,9 +35,9 @@
     private static final int KEEP_ALIVE = 1;
 
     /**
-     * An {@link Executor} to be used with async task with no limit on the queue size.
+     * An {@link ThreadPoolExecutor} to be used with async task with no limit on the queue size.
      */
-    public static final Executor THREAD_POOL_EXECUTOR = new ThreadPoolExecutor(
+    public static final ThreadPoolExecutor THREAD_POOL_EXECUTOR = new ThreadPoolExecutor(
             CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE,
             TimeUnit.SECONDS, new LinkedBlockingQueue<>());
 
diff --git a/src/com/android/launcher3/util/LooperExecutor.java b/src/com/android/launcher3/util/LooperExecutor.java
index 8ac600f..3a8a13c 100644
--- a/src/com/android/launcher3/util/LooperExecutor.java
+++ b/src/com/android/launcher3/util/LooperExecutor.java
@@ -41,10 +41,10 @@
 
     @Override
     public void execute(Runnable runnable) {
-        if (mHandler.getLooper() == Looper.myLooper()) {
+        if (getHandler().getLooper() == Looper.myLooper()) {
             runnable.run();
         } else {
-            mHandler.post(runnable);
+            getHandler().post(runnable);
         }
     }
 
@@ -52,7 +52,7 @@
      * Same as execute, but never runs the action inline.
      */
     public void post(Runnable runnable) {
-        mHandler.post(runnable);
+        getHandler().post(runnable);
     }
 
     /**
@@ -96,14 +96,14 @@
      * Returns the thread for this executor
      */
     public Thread getThread() {
-        return mHandler.getLooper().getThread();
+        return getHandler().getLooper().getThread();
     }
 
     /**
      * Returns the looper for this executor
      */
     public Looper getLooper() {
-        return mHandler.getLooper();
+        return getHandler().getLooper();
     }
 
     /**