diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
index f2bb509..f2459dd 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
@@ -223,14 +223,12 @@
 
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
     protected boolean isActivityDestroyed() {
-        return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1)
-                && isDestroyed();
+        return Utilities.ATLEAST_JB_MR1 && isDestroyed();
     }
 
     @Thunk void addReusableBitmap(TileSource src) {
         synchronized (mReusableBitmaps) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
-                    && src instanceof BitmapRegionTileSource) {
+            if (Utilities.ATLEAST_KITKAT && src instanceof BitmapRegionTileSource) {
                 Bitmap preview = ((BitmapRegionTileSource) src).getBitmap();
                 if (preview != null && preview.isMutable()) {
                     mReusableBitmaps.add(preview);
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index 2070005..c65add9 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -976,10 +976,8 @@
 
         if (partner == null || !partner.hideDefaultWallpaper()) {
             // Add an entry for the default wallpaper (stored in system resources)
-            WallpaperTileInfo defaultWallpaperInfo =
-                    (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT)
-                    ? getPreKKDefaultWallpaperInfo()
-                    : getDefaultWallpaper();
+            WallpaperTileInfo defaultWallpaperInfo = Utilities.ATLEAST_KITKAT
+                    ? getDefaultWallpaper() : getPreKKDefaultWallpaperInfo();
             if (defaultWallpaperInfo != null) {
                 bundled.add(0, defaultWallpaperInfo);
             }
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 1bcaab5..5070878 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -510,7 +510,7 @@
             mIcon.setBounds(0, 0, iconSize, iconSize);
         }
         if (mLayoutHorizontal) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            if (Utilities.ATLEAST_JB_MR1) {
                 setCompoundDrawablesRelative(mIcon, null, null, null);
             } else {
                 setCompoundDrawables(mIcon, null, null, null);
diff --git a/src/com/android/launcher3/ButtonDropTarget.java b/src/com/android/launcher3/ButtonDropTarget.java
index 574f229..f97179c 100644
--- a/src/com/android/launcher3/ButtonDropTarget.java
+++ b/src/com/android/launcher3/ButtonDropTarget.java
@@ -92,7 +92,7 @@
         // drawableLeft and drawableStart.
         mDrawable = getResources().getDrawable(resId);
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (Utilities.ATLEAST_JB_MR1) {
             setCompoundDrawablesRelativeWithIntrinsicBounds(mDrawable, null, null, null);
         } else {
             setCompoundDrawablesWithIntrinsicBounds(mDrawable, null, null, null);
@@ -113,7 +113,7 @@
     @Override
     public final void onDragEnter(DragObject d) {
         d.dragView.setColor(mHoverColor);
-        if (Utilities.isLmpOrAbove()) {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             animateTextColor(mHoverColor);
         } else {
             if (mCurrentFilter == null) {
@@ -130,8 +130,8 @@
         // Do nothing
     }
 
-	protected void resetHoverColor() {
-        if (Utilities.isLmpOrAbove()) {
+    protected void resetHoverColor() {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             animateTextColor(mOriginalTextColor.getDefaultColor());
         } else {
             mDrawable.setColorFilter(null);
diff --git a/src/com/android/launcher3/DragView.java b/src/com/android/launcher3/DragView.java
index c9dc9f1..8b9fddb 100644
--- a/src/com/android/launcher3/DragView.java
+++ b/src/com/android/launcher3/DragView.java
@@ -129,7 +129,7 @@
         measure(ms, ms);
         mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
 
-        if (Utilities.isLmpOrAbove()) {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             setElevation(getResources().getDimension(R.dimen.drag_elevation));
         }
     }
@@ -250,14 +250,14 @@
             setColorScale(color, m2);
             m1.postConcat(m2);
 
-            if (Utilities.isLmpOrAbove()) {
+            if (Utilities.ATLEAST_LOLLIPOP) {
                 animateFilterTo(m1.getArray());
             } else {
                 mPaint.setColorFilter(new ColorMatrixColorFilter(m1));
                 invalidate();
             }
         } else {
-            if (!Utilities.isLmpOrAbove() || mCurrentFilter == null) {
+            if (!Utilities.ATLEAST_LOLLIPOP || mCurrentFilter == null) {
                 mPaint.setColorFilter(null);
                 invalidate();
             } else {
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index 49ff36b..4af56ac 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -453,7 +453,7 @@
 
         Animator openFolderAnim = null;
         final Runnable onCompleteRunnable;
-        if (!Utilities.isLmpOrAbove()) {
+        if (!Utilities.ATLEAST_LOLLIPOP) {
             positionAndSizeAsIcon();
             centerAboutIcon();
 
@@ -565,7 +565,7 @@
                 public void onAnimationEnd(Animator animation) {
                     mFolderName.animate().setDuration(FOLDER_NAME_ANIMATION_DURATION)
                         .translationX(0)
-                        .setInterpolator(Utilities.isLmpOrAbove() ?
+                        .setInterpolator(Utilities.ATLEAST_LOLLIPOP ?
                                 AnimationUtils.loadInterpolator(mLauncher,
                                         android.R.interpolator.fast_out_slow_in)
                                 : new LogDecelerateInterpolator(100, 0));
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 0e1c798..ffa98c5 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -116,8 +116,6 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -356,18 +354,6 @@
         }
     }
 
-    // TODO: remove this field and call method directly when Launcher3 can depend on M APIs
-    private static Method sClipRevealMethod = null;
-    static {
-        Class<?> activityOptionsClass = ActivityOptions.class;
-        try {
-            sClipRevealMethod = activityOptionsClass.getDeclaredMethod("makeClipRevealAnimation",
-                    View.class, int.class, int.class, int.class, int.class);
-        } catch (Exception e) {
-            // Earlier version
-        }
-    }
-
     @Thunk Runnable mBuildLayersRunnable = new Runnable() {
         public void run() {
             if (mWorkspace != null) {
@@ -663,7 +649,7 @@
 
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
     public static int generateViewId() {
-        if (Build.VERSION.SDK_INT >= 17) {
+        if (Utilities.ATLEAST_JB_MR1) {
             return View.generateViewId();
         } else {
             // View.generateViewId() is not available. The following fallback logic is a copy
@@ -1642,18 +1628,18 @@
         }
         registerReceiver(mReceiver, filter);
         FirstFrameAnimatorHelper.initializeDrawListener(getWindow().getDecorView());
-        setupTransparentSystemBarsForLmp();
+        setupTransparentSystemBarsForLollipop();
         mAttached = true;
         mVisible = true;
     }
 
     /**
-     * Sets up transparent navigation and status bars in LMP.
+     * Sets up transparent navigation and status bars in Lollipop.
      * This method is a no-op for other platform versions.
      */
     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
-    private void setupTransparentSystemBarsForLmp() {
-        if (Utilities.isLmpOrAbove()) {
+    private void setupTransparentSystemBarsForLollipop() {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             Window window = getWindow();
             window.getAttributes().systemUiVisibility |=
                     (View.SYSTEM_UI_FLAG_LAYOUT_STABLE
@@ -2871,8 +2857,7 @@
             Bundle optsBundle = null;
             if (useLaunchAnimation) {
                 ActivityOptions opts = null;
-                if (sClipRevealMethod != null) {
-                    // TODO: call method directly when Launcher3 can depend on M APIs
+                if (Utilities.ATLEAST_MARSHMALLOW) {
                     int left = 0, top = 0;
                     int width = v.getMeasuredWidth(), height = v.getMeasuredHeight();
                     if (v instanceof TextView) {
@@ -2886,22 +2871,12 @@
                             height = bounds.height();
                         }
                     }
-                    try {
-                        opts = (ActivityOptions) sClipRevealMethod.invoke(null, v,
-                                left, top, width, height);
-                    } catch (IllegalAccessException e) {
-                        Log.d(TAG, "Could not call makeClipRevealAnimation: " + e);
-                        sClipRevealMethod = null;
-                    } catch (InvocationTargetException e) {
-                        Log.d(TAG, "Could not call makeClipRevealAnimation: " + e);
-                        sClipRevealMethod = null;
-                    }
-                }
-                if (opts == null && !Utilities.isLmpOrAbove()) {
+                    opts = ActivityOptions.makeClipRevealAnimation(v, left, top, width, height);
+                } else if (!Utilities.ATLEAST_LOLLIPOP) {
                     // Below L, we use a scale up animation
                     opts = ActivityOptions.makeScaleUpAnimation(v, 0, 0,
                                     v.getMeasuredWidth(), v.getMeasuredHeight());
-                } else if (opts == null && Utilities.isLmpMR1()) {
+                } else if (Utilities.ATLEAST_LOLLIPOP_MR1) {
                     // On L devices, we use the device default slide-up transition.
                     // On L MR1 devices, we a custom version of the slide-up transition which
                     // doesn't have the delay present in the device default.
@@ -3012,7 +2987,7 @@
 
         ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(
                 mFolderIconImageView, 0, 1.5f, 1.5f);
-        if (Utilities.isLmpOrAbove()) {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             oa.setInterpolator(new LogDecelerateInterpolator(100, 0));
         }
         oa.setDuration(getResources().getInteger(R.integer.config_folderExpandDuration));
@@ -4300,13 +4275,14 @@
         return oriMap[(d.getRotation() + indexOffset) % 4];
     }
 
+    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
     public void lockScreenOrientation() {
         if (mRotationEnabled) {
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
+            if (Utilities.ATLEAST_JB_MR2) {
+                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
+            } else {
                 setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources()
                         .getConfiguration().orientation));
-            } else {
-                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
             }
         }
     }
@@ -4510,7 +4486,7 @@
     public ItemInfo createAppDragInfo(Intent appLaunchIntent) {
         // Called from search suggestion
         UserHandleCompat user = null;
-        if (Utilities.isLmpOrAbove()) {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             UserHandle userHandle = appLaunchIntent.getParcelableExtra(Intent.EXTRA_USER);
             if (userHandle != null) {
                 user = UserHandleCompat.fromUser(userHandle);
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 3ceca94..f2d58ff 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -124,7 +124,7 @@
     LauncherModel setLauncher(Launcher launcher) {
         getLauncherProvider().setLauncherProviderChangeListener(launcher);
         mModel.initialize(launcher);
-        mAccessibilityDelegate = ((launcher != null) && Utilities.isLmpOrAbove()) ?
+        mAccessibilityDelegate = ((launcher != null) && Utilities.ATLEAST_LOLLIPOP) ?
             new LauncherAccessibilityDelegate(launcher) : null;
         return mModel;
     }
diff --git a/src/com/android/launcher3/LauncherBackupAgentHelper.java b/src/com/android/launcher3/LauncherBackupAgentHelper.java
index 3debef6..8eb4e63 100644
--- a/src/com/android/launcher3/LauncherBackupAgentHelper.java
+++ b/src/com/android/launcher3/LauncherBackupAgentHelper.java
@@ -65,7 +65,7 @@
     @Override
     public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState)
             throws IOException {
-        if (!Utilities.isLmpOrAbove()) {
+        if (!Utilities.ATLEAST_LOLLIPOP) {
             // No restore for old devices.
             Log.i(TAG, "You shall not pass!!!");
             Log.d(TAG, "Restore is only supported on devices running Lollipop and above.");
diff --git a/src/com/android/launcher3/LauncherClings.java b/src/com/android/launcher3/LauncherClings.java
index 0315b5c..458844c 100644
--- a/src/com/android/launcher3/LauncherClings.java
+++ b/src/com/android/launcher3/LauncherClings.java
@@ -249,7 +249,7 @@
 
         // Restricted secondary users (child mode) will potentially have very few apps
         // seeded when they start up for the first time. Clings won't work well with that
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+        if (Utilities.ATLEAST_JB_MR2) {
             UserManager um = (UserManager) mLauncher.getSystemService(Context.USER_SERVICE);
             Bundle restrictions = um.getUserRestrictions();
             if (restrictions.getBoolean(UserManager.DISALLOW_MODIFY_ACCOUNTS, false)) {
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 3ce16c5..44a43e1 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -402,7 +402,7 @@
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
     private AutoInstallsLayout createWorkspaceLoaderFromAppRestriction() {
         // UserManager.getApplicationRestrictions() requires minSdkVersion >= 18
-        if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
+        if (!Utilities.ATLEAST_JB_MR2) {
             return null;
         }
 
diff --git a/src/com/android/launcher3/LauncherStateTransitionAnimation.java b/src/com/android/launcher3/LauncherStateTransitionAnimation.java
index b2ab618..3d1efc6 100644
--- a/src/com/android/launcher3/LauncherStateTransitionAnimation.java
+++ b/src/com/android/launcher3/LauncherStateTransitionAnimation.java
@@ -204,7 +204,7 @@
             final boolean animated, final PrivateTransitionCallbacks pCb) {
         final AnimatorSet animation = LauncherAnimUtils.createAnimatorSet();
         final Resources res = mLauncher.getResources();
-        final boolean material = Utilities.isLmpOrAbove();
+        final boolean material = Utilities.ATLEAST_LOLLIPOP;
         final int revealDuration = res.getInteger(R.integer.config_overlayRevealTime);
         final int itemsAlphaStagger =
                 res.getInteger(R.integer.config_overlayItemsAlphaStagger);
@@ -357,12 +357,11 @@
                     dispatchOnLauncherTransitionStart(toView, animated, false);
 
                     // Enable all necessary layers
-                    boolean isLmpOrAbove = Utilities.isLmpOrAbove();
                     for (View v : layerViews.keySet()) {
                         if (layerViews.get(v) == BUILD_AND_SET_LAYER) {
                             v.setLayerType(View.LAYER_TYPE_HARDWARE, null);
                         }
-                        if (isLmpOrAbove && Utilities.isViewAttachedToWindow(v)) {
+                        if (Utilities.ATLEAST_LOLLIPOP && Utilities.isViewAttachedToWindow(v)) {
                             v.buildLayer();
                         }
                     }
@@ -485,7 +484,7 @@
             final PrivateTransitionCallbacks pCb) {
         final AnimatorSet animation = LauncherAnimUtils.createAnimatorSet();
         final Resources res = mLauncher.getResources();
-        final boolean material = Utilities.isLmpOrAbove();
+        final boolean material = Utilities.ATLEAST_LOLLIPOP;
         final int revealDuration = res.getInteger(R.integer.config_overlayRevealTime);
         final int itemsAlphaStagger =
                 res.getInteger(R.integer.config_overlayItemsAlphaStagger);
@@ -667,12 +666,11 @@
                     dispatchOnLauncherTransitionStart(toView, animated, false);
 
                     // Enable all necessary layers
-                    boolean isLmpOrAbove = Utilities.isLmpOrAbove();
                     for (View v : layerViews.keySet()) {
                         if (layerViews.get(v) == BUILD_AND_SET_LAYER) {
                             v.setLayerType(View.LAYER_TYPE_HARDWARE, null);
                         }
-                        if (isLmpOrAbove && Utilities.isViewAttachedToWindow(v)) {
+                        if (Utilities.ATLEAST_LOLLIPOP && Utilities.isViewAttachedToWindow(v)) {
                             v.buildLayer();
                         }
                     }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 7a142ad..3702cda 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -2258,7 +2258,7 @@
         // Besides disabling the accessibility long-click, this also prevents this view from getting
         // accessibility focus.
         info.setLongClickable(false);
-        if (Utilities.isLmpOrAbove()) {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             info.removeAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_LONG_CLICK);
         }
     }
diff --git a/src/com/android/launcher3/PendingAppWidgetHostView.java b/src/com/android/launcher3/PendingAppWidgetHostView.java
index e8c8b8e..40eadab 100644
--- a/src/com/android/launcher3/PendingAppWidgetHostView.java
+++ b/src/com/android/launcher3/PendingAppWidgetHostView.java
@@ -78,7 +78,7 @@
         setBackgroundResource(R.drawable.quantum_panel_dark);
         setWillNotDraw(false);
 
-        if (Utilities.isLmpOrAbove()) {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             setElevation(getResources().getDimension(R.dimen.pending_widget_elevation));
         }
     }
diff --git a/src/com/android/launcher3/UninstallDropTarget.java b/src/com/android/launcher3/UninstallDropTarget.java
index 7c548a5..9ed4fb6 100644
--- a/src/com/android/launcher3/UninstallDropTarget.java
+++ b/src/com/android/launcher3/UninstallDropTarget.java
@@ -38,7 +38,7 @@
 
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
     public static boolean supportsDrop(Context context, Object info) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+        if (Utilities.ATLEAST_JB_MR2) {
             UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
             Bundle restrictions = userManager.getUserRestrictions();
             if (restrictions.getBoolean(UserManager.DISALLOW_APPS_CONTROL, false)
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 4c98e20..e0a4a1c 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -90,6 +90,24 @@
     private static final int[] sLoc0 = new int[2];
     private static final int[] sLoc1 = new int[2];
 
+    // TODO: use Build.VERSION_CODES when available
+    public static final boolean ATLEAST_MARSHMALLOW = Build.VERSION.SDK_INT >= 23;
+
+    public static final boolean ATLEAST_LOLLIPOP_MR1 =
+            Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1;
+
+    public static final boolean ATLEAST_LOLLIPOP =
+            Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
+
+    public static final boolean ATLEAST_KITKAT =
+            Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
+
+    public static final boolean ATLEAST_JB_MR1 =
+            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1;
+
+    public static final boolean ATLEAST_JB_MR2 =
+            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2;
+
     // To turn on these properties, type
     // adb shell setprop log.tag.PROPERTY_NAME [VERBOSE | SUPPRESS]
     private static final String FORCE_ENABLE_ROTATION_PROPERTY = "launcher_force_rotate";
@@ -113,23 +131,6 @@
         return sForceEnableRotation || context.getResources().getBoolean(R.bool.allow_rotation);
     }
 
-    /**
-     * Indicates if the device is running LMP or higher.
-     */
-    public static boolean isLmpOrAbove() {
-        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
-    }
-
-    public static boolean isLmpMR1OrAbove() {
-        // TODO(adamcohen): update to Build.VERSION_CODES.LOLLIPOP_MR1 once building against 22;
-        return Build.VERSION.SDK_INT >= 22;
-    }
-
-    public static boolean isLmpMR1() {
-        // TODO(adamcohen): update to Build.VERSION_CODES.LOLLIPOP_MR1 once building against 22;
-        return Build.VERSION.SDK_INT == 22;
-    }
-
     public static boolean isNycOrAbove() {
         // TODO(vadimt): Replace using reflection with looking at the API version once
         // Build.VERSION.SDK_INT gets bumped to 24. b/22942492.
@@ -530,7 +531,7 @@
 
     @TargetApi(Build.VERSION_CODES.KITKAT)
     public static boolean isViewAttachedToWindow(View v) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+        if (ATLEAST_KITKAT) {
             return v.isAttachedToWindow();
         } else {
             // A proxy call which returns null, if the view is not attached to the window.
@@ -557,7 +558,7 @@
         AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
         for (AppWidgetProviderInfo info : appWidgetManager.getInstalledProviders()) {
             if (info.provider.getPackageName().equals(providerPkg)) {
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+                if (ATLEAST_JB_MR1) {
                     if ((info.widgetCategory & AppWidgetProviderInfo.WIDGET_CATEGORY_SEARCHBOX) != 0) {
                         return info;
                     } else if (defaultWidgetForSearchPackage == null) {
@@ -668,7 +669,7 @@
 
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
     public static boolean isRtl(Resources res) {
-        return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) &&
+        return ATLEAST_JB_MR1 &&
                 (res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL);
     }
 
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 2e70b6c..387fd1f 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -2021,7 +2021,7 @@
     }
 
     public void updateAccessibilityFlags() {
-        if (Utilities.isLmpOrAbove()) {
+        if (Utilities.ATLEAST_LOLLIPOP) {
             int total = getPageCount();
             for (int i = numCustomPages(); i < total; i++) {
                 updateAccessibilityFlags((CellLayout) getPageAt(i), i);
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompat.java b/src/com/android/launcher3/compat/AppWidgetManagerCompat.java
index 7aa36d4..434f13d 100644
--- a/src/com/android/launcher3/compat/AppWidgetManagerCompat.java
+++ b/src/com/android/launcher3/compat/AppWidgetManagerCompat.java
@@ -40,7 +40,7 @@
     public static AppWidgetManagerCompat getInstance(Context context) {
         synchronized (sInstanceLock) {
             if (sInstance == null) {
-                if (Utilities.isLmpOrAbove()) {
+                if (Utilities.ATLEAST_LOLLIPOP) {
                     sInstance = new AppWidgetManagerCompatVL(context.getApplicationContext());
                 } else {
                     sInstance = new AppWidgetManagerCompatV16(context.getApplicationContext());
diff --git a/src/com/android/launcher3/compat/AppWidgetManagerCompatV16.java b/src/com/android/launcher3/compat/AppWidgetManagerCompatV16.java
index f7f4b7e..463cf90 100644
--- a/src/com/android/launcher3/compat/AppWidgetManagerCompatV16.java
+++ b/src/com/android/launcher3/compat/AppWidgetManagerCompatV16.java
@@ -54,10 +54,10 @@
     @Override
     public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
             Bundle options) {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
-            return mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, info.provider);
-        } else {
+        if (Utilities.ATLEAST_JB_MR1) {
             return mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, info.provider, options);
+        } else {
+            return mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, info.provider);
         }
     }
 
diff --git a/src/com/android/launcher3/compat/LauncherAppsCompat.java b/src/com/android/launcher3/compat/LauncherAppsCompat.java
index 5858bc8..95e3ba9 100644
--- a/src/com/android/launcher3/compat/LauncherAppsCompat.java
+++ b/src/com/android/launcher3/compat/LauncherAppsCompat.java
@@ -53,7 +53,7 @@
     public static LauncherAppsCompat getInstance(Context context) {
         synchronized (sInstanceLock) {
             if (sInstance == null) {
-                if (Utilities.isLmpOrAbove()) {
+                if (Utilities.ATLEAST_LOLLIPOP) {
                     sInstance = new LauncherAppsCompatVL(context.getApplicationContext());
                 } else {
                     sInstance = new LauncherAppsCompatV16(context.getApplicationContext());
diff --git a/src/com/android/launcher3/compat/LauncherAppsCompatV16.java b/src/com/android/launcher3/compat/LauncherAppsCompatV16.java
index ac3d252..339c457 100644
--- a/src/com/android/launcher3/compat/LauncherAppsCompatV16.java
+++ b/src/com/android/launcher3/compat/LauncherAppsCompatV16.java
@@ -31,6 +31,7 @@
 import android.os.Bundle;
 import android.provider.Settings;
 
+import com.android.launcher3.Utilities;
 import com.android.launcher3.util.Thunk;
 
 import java.util.ArrayList;
@@ -188,7 +189,7 @@
                 // when moving a package or mounting/un-mounting external storage. Assume that
                 // it is a replacing operation.
                 final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING,
-                        Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT);
+                        !Utilities.ATLEAST_KITKAT);
                 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);
                 for (OnAppsChangedCallbackCompat callback : getCallbacks()) {
                     callback.onPackagesAvailable(packages, user, replacing);
diff --git a/src/com/android/launcher3/compat/PackageInstallerCompat.java b/src/com/android/launcher3/compat/PackageInstallerCompat.java
index c499083..ec5014d 100644
--- a/src/com/android/launcher3/compat/PackageInstallerCompat.java
+++ b/src/com/android/launcher3/compat/PackageInstallerCompat.java
@@ -34,7 +34,7 @@
     public static PackageInstallerCompat getInstance(Context context) {
         synchronized (sInstanceLock) {
             if (sInstance == null) {
-                if (Utilities.isLmpOrAbove()) {
+                if (Utilities.ATLEAST_LOLLIPOP) {
                     sInstance = new PackageInstallerCompatVL(context);
                 } else {
                     sInstance = new PackageInstallerCompatV16();
diff --git a/src/com/android/launcher3/compat/UserHandleCompat.java b/src/com/android/launcher3/compat/UserHandleCompat.java
index ab4b721..567022b 100644
--- a/src/com/android/launcher3/compat/UserHandleCompat.java
+++ b/src/com/android/launcher3/compat/UserHandleCompat.java
@@ -34,7 +34,7 @@
 
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
     public static UserHandleCompat myUserHandle() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (Utilities.ATLEAST_JB_MR1) {
             return new UserHandleCompat(android.os.Process.myUserHandle());
         } else {
             return new UserHandleCompat();
@@ -55,7 +55,7 @@
 
     @Override
     public String toString() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (Utilities.ATLEAST_JB_MR1) {
             return mUser.toString();
         } else {
             return "";
@@ -67,7 +67,7 @@
         if (!(other instanceof UserHandleCompat)) {
             return false;
         }
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (Utilities.ATLEAST_JB_MR1) {
             return mUser.equals(((UserHandleCompat) other).mUser);
         } else {
             return true;
@@ -76,7 +76,7 @@
 
     @Override
     public int hashCode() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (Utilities.ATLEAST_JB_MR1) {
             return mUser.hashCode();
         } else {
             return 0;
@@ -89,7 +89,7 @@
      * profiles so this is a no-op.
      */
     public void addToIntent(Intent intent, String name) {
-        if (Utilities.isLmpOrAbove() && mUser != null) {
+        if (Utilities.ATLEAST_LOLLIPOP && mUser != null) {
             intent.putExtra(name, mUser);
         }
     }
diff --git a/src/com/android/launcher3/compat/UserManagerCompat.java b/src/com/android/launcher3/compat/UserManagerCompat.java
index 2ff1e7b..f708004 100644
--- a/src/com/android/launcher3/compat/UserManagerCompat.java
+++ b/src/com/android/launcher3/compat/UserManagerCompat.java
@@ -34,9 +34,9 @@
     public static UserManagerCompat getInstance(Context context) {
         synchronized (sInstanceLock) {
             if (sInstance == null) {
-                if (Utilities.isLmpOrAbove()) {
+                if (Utilities.ATLEAST_LOLLIPOP) {
                     sInstance = new UserManagerCompatVL(context.getApplicationContext());
-                } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+                } else if (Utilities.ATLEAST_JB_MR1) {
                     sInstance = new UserManagerCompatV17(context.getApplicationContext());
                 } else {
                     sInstance = new UserManagerCompatV16();
diff --git a/src/com/android/launcher3/util/ManagedProfileHeuristic.java b/src/com/android/launcher3/util/ManagedProfileHeuristic.java
index b37f447..74fc92a 100644
--- a/src/com/android/launcher3/util/ManagedProfileHeuristic.java
+++ b/src/com/android/launcher3/util/ManagedProfileHeuristic.java
@@ -68,7 +68,7 @@
     private static final long AUTO_ADD_TO_FOLDER_DURATION = 8 * 60 * 60 * 1000;
 
     public static ManagedProfileHeuristic get(Context context, UserHandleCompat user) {
-        if (Utilities.isLmpOrAbove() && !UserHandleCompat.myUserHandle().equals(user)) {
+        if (Utilities.ATLEAST_LOLLIPOP && !UserHandleCompat.myUserHandle().equals(user)) {
             return new ManagedProfileHeuristic(context, user);
         }
         return null;
@@ -296,7 +296,7 @@
      * Verifies that entries corresponding to {@param users} exist and removes all invalid entries.
      */
     public static void processAllUsers(List<UserHandleCompat> users, Context context) {
-        if (!Utilities.isLmpOrAbove()) {
+        if (!Utilities.ATLEAST_LOLLIPOP) {
             return;
         }
         UserManagerCompat userManager = UserManagerCompat.getInstance(context);
diff --git a/src/com/android/launcher3/util/UiThreadCircularReveal.java b/src/com/android/launcher3/util/UiThreadCircularReveal.java
index 3ca3aee..f2b5e5e 100644
--- a/src/com/android/launcher3/util/UiThreadCircularReveal.java
+++ b/src/com/android/launcher3/util/UiThreadCircularReveal.java
@@ -47,7 +47,7 @@
                 float progress = arg0.getAnimatedFraction();
                 outlineProvider.setProgress(progress);
                 revealView.invalidateOutline();
-                if (!Utilities.isLmpMR1OrAbove()) {
+                if (!Utilities.ATLEAST_LOLLIPOP_MR1) {
                     revealView.invalidate();
                 }
             }
diff --git a/src/com/android/launcher3/util/WallpaperUtils.java b/src/com/android/launcher3/util/WallpaperUtils.java
index 53b2acd..b9fccbc 100644
--- a/src/com/android/launcher3/util/WallpaperUtils.java
+++ b/src/com/android/launcher3/util/WallpaperUtils.java
@@ -24,6 +24,8 @@
 import android.os.Build;
 import android.view.WindowManager;
 
+import com.android.launcher3.Utilities;
+
 /**
  * Utility methods for wallpaper management.
  */
@@ -99,7 +101,7 @@
             int maxDim = Math.max(maxDims.x, maxDims.y);
             int minDim = Math.max(minDims.x, minDims.y);
 
-            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            if (Utilities.ATLEAST_JB_MR1) {
                 Point realSize = new Point();
                 windowManager.getDefaultDisplay().getRealSize(realSize);
                 maxDim = Math.max(realSize.x, realSize.y);
diff --git a/src/com/android/launcher3/widget/WidgetHostViewLoader.java b/src/com/android/launcher3/widget/WidgetHostViewLoader.java
index bdd117c..1966f9f 100644
--- a/src/com/android/launcher3/widget/WidgetHostViewLoader.java
+++ b/src/com/android/launcher3/widget/WidgetHostViewLoader.java
@@ -16,6 +16,7 @@
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.util.Thunk;
 
@@ -132,7 +133,7 @@
     public static Bundle getDefaultOptionsForWidget(Launcher launcher, PendingAddWidgetInfo info) {
         Bundle options = null;
         Rect rect = new Rect();
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (Utilities.ATLEAST_JB_MR1) {
             AppWidgetResizeFrame.getWidgetSizeRanges(launcher, info.spanX, info.spanY, rect);
             Rect padding = AppWidgetHostView.getDefaultPaddingForWidget(launcher,
                     info.componentName, null);
diff --git a/src/com/android/launcher3/widget/WidgetsListAdapter.java b/src/com/android/launcher3/widget/WidgetsListAdapter.java
index 8443003..885d96f 100644
--- a/src/com/android/launcher3/widget/WidgetsListAdapter.java
+++ b/src/com/android/launcher3/widget/WidgetsListAdapter.java
@@ -168,7 +168,7 @@
 
         // if the end padding is 0, then container view (horizontal scroll view) doesn't respect
         // the end of the linear layout width + the start padding and doesn't allow scrolling.
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (Utilities.ATLEAST_JB_MR1) {
             cellList.setPaddingRelative(mIndent, 0, 1, 0);
         } else {
             cellList.setPadding(mIndent, 0, 1, 0);