diff --git a/WallpaperPicker/src/com/android/launcher3/CropView.java b/WallpaperPicker/src/com/android/launcher3/CropView.java
index 578b8ea..50f779a 100644
--- a/WallpaperPicker/src/com/android/launcher3/CropView.java
+++ b/WallpaperPicker/src/com/android/launcher3/CropView.java
@@ -21,7 +21,6 @@
 import android.graphics.Point;
 import android.graphics.RectF;
 import android.util.AttributeSet;
-import android.util.FloatMath;
 import android.view.MotionEvent;
 import android.view.ScaleGestureDetector;
 import android.view.ScaleGestureDetector.OnScaleGestureListener;
@@ -300,12 +299,12 @@
                     adjustment[0] = (edges.right - getWidth()) / scale;
                 }
                 if (edges.top > 0) {
-                    adjustment[1] = FloatMath.ceil(edges.top / scale);
+                    adjustment[1] = (float) Math.ceil(edges.top / scale);
                 } else if (edges.bottom < getHeight()) {
                     adjustment[1] = (edges.bottom - getHeight()) / scale;
                 }
                 for (int dim = 0; dim <= 1; dim++) {
-                    if (coef[dim] > 0) adjustment[dim] = FloatMath.ceil(adjustment[dim]);
+                    if (coef[dim] > 0) adjustment[dim] = (float) Math.ceil(adjustment[dim]);
                 }
 
                 mInverseRotateMatrix.mapPoints(adjustment);
diff --git a/src/com/android/launcher3/LauncherScroller.java b/src/com/android/launcher3/LauncherScroller.java
index 3bd0a78..a9b4955 100644
--- a/src/com/android/launcher3/LauncherScroller.java
+++ b/src/com/android/launcher3/LauncherScroller.java
@@ -20,7 +20,6 @@
 import android.content.Context;
 import android.hardware.SensorManager;
 import android.os.Build;
-import android.util.FloatMath;
 import android.view.ViewConfiguration;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
@@ -409,7 +408,7 @@
 
             float dx = (float) (mFinalX - mStartX);
             float dy = (float) (mFinalY - mStartY);
-            float hyp = FloatMath.sqrt(dx * dx + dy * dy);
+            float hyp = (float) Math.hypot(dx, dy);
 
             float ndx = dx / hyp;
             float ndy = dy / hyp;
@@ -426,7 +425,7 @@
         mMode = FLING_MODE;
         mFinished = false;
 
-        float velocity = FloatMath.sqrt(velocityX * velocityX + velocityY * velocityY);
+        float velocity = (float) Math.hypot(velocityX, velocityY);
 
         mVelocity = velocity;
         mDuration = getSplineFlingDuration(velocity);
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 9173971..043ecb0 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -1410,7 +1410,22 @@
         }
 
         private float wallpaperOffsetForCurrentScroll() {
+            // TODO: do different behavior if it's  a live wallpaper?
+            // Don't use up all the wallpaper parallax until you have at least
+            // MIN_PARALLAX_PAGE_SPAN pages
+            int numScrollingPages = getNumScreensExcludingEmptyAndCustom();
+            int parallaxPageSpan;
+            if (mWallpaperIsLiveWallpaper) {
+                parallaxPageSpan = numScrollingPages - 1;
+            } else {
+                parallaxPageSpan = Math.max(MIN_PARALLAX_PAGE_SPAN, numScrollingPages - 1);
+            }
+            mNumPagesForWallpaperParallax = parallaxPageSpan;
+
             if (getChildCount() <= 1) {
+                if (isLayoutRtl()) {
+                    return 1 - 1.0f/mNumPagesForWallpaperParallax;
+                }
                 return 0;
             }
 
@@ -1430,28 +1445,20 @@
             if (scrollRange == 0) {
                 return 0;
             } else {
-                // TODO: do different behavior if it's  a live wallpaper?
                 // Sometimes the left parameter of the pages is animated during a layout transition;
                 // this parameter offsets it to keep the wallpaper from animating as well
                 int adjustedScroll =
                         getScrollX() - firstPageScrollX - getLayoutTransitionOffsetForPage(0);
                 float offset = Math.min(1, adjustedScroll / (float) scrollRange);
                 offset = Math.max(0, offset);
-                // Don't use up all the wallpaper parallax until you have at least
-                // MIN_PARALLAX_PAGE_SPAN pages
-                int numScrollingPages = getNumScreensExcludingEmptyAndCustom();
-                int parallaxPageSpan;
-                if (mWallpaperIsLiveWallpaper) {
-                    parallaxPageSpan = numScrollingPages - 1;
-                } else {
-                    parallaxPageSpan = Math.max(MIN_PARALLAX_PAGE_SPAN, numScrollingPages - 1);
-                }
-                mNumPagesForWallpaperParallax = parallaxPageSpan;
 
                 // On RTL devices, push the wallpaper offset to the right if we don't have enough
                 // pages (ie if numScrollingPages < MIN_PARALLAX_PAGE_SPAN)
-                int padding = isLayoutRtl() ? parallaxPageSpan - numScrollingPages + 1 : 0;
-                return offset * (padding + numScrollingPages - 1) / parallaxPageSpan;
+                if (!mWallpaperIsLiveWallpaper && numScrollingPages < MIN_PARALLAX_PAGE_SPAN
+                        && isLayoutRtl()) {
+                    return offset * (parallaxPageSpan - numScrollingPages + 1) / parallaxPageSpan;
+                }
+                return offset * (numScrollingPages - 1) / parallaxPageSpan;
             }
         }