diff --git a/core/src/com/google/zxing/MultiFormatReader.java b/core/src/com/google/zxing/MultiFormatReader.java
index 8331cedf8..cb8385df4 100644
--- a/core/src/com/google/zxing/MultiFormatReader.java
+++ b/core/src/com/google/zxing/MultiFormatReader.java
@@ -62,7 +62,8 @@ public final class MultiFormatReader implements Reader {
   }
 
   /**
-   * Decode an image using the state set up by calling setHints() previously.
+   * Decode an image using the state set up by calling setHints() previously. Continuous scan
+   * clients will get a <b>large</b> speed increase by using this instead of decode().
    *
    * @param image The pixel data to decode
    * @return The contents of the image
@@ -99,7 +100,7 @@ public final class MultiFormatReader implements Reader {
               possibleFormats.contains(BarcodeFormat.CODE_128);
       // Put 1D readers upfront in "normal" mode
       if (addOneDReader && !tryHarder) {
-        readers.addElement(new MultiFormatOneDReader());
+        readers.addElement(new MultiFormatOneDReader(hints));
       }
       if (possibleFormats.contains(BarcodeFormat.QR_CODE)) {
         readers.addElement(new QRCodeReader());
@@ -110,24 +111,25 @@ public final class MultiFormatReader implements Reader {
       //}
       // At end in "try harder" mode
       if (addOneDReader && tryHarder) {
-        readers.addElement(new MultiFormatOneDReader());
+        readers.addElement(new MultiFormatOneDReader(hints));
       }
     }
     if (readers.isEmpty()) {
       if (!tryHarder) {
-        readers.addElement(new MultiFormatOneDReader());
+        readers.addElement(new MultiFormatOneDReader(hints));
       }
       readers.addElement(new QRCodeReader());
       // TODO re-enable once Data Matrix is ready
       // readers.addElement(new DataMatrixReader());
       if (tryHarder) {
-        readers.addElement(new MultiFormatOneDReader());
+        readers.addElement(new MultiFormatOneDReader(hints));
       }
     }
   }
 
   private Result decodeInternal(MonochromeBitmapSource image) throws ReaderException {
-    for (int i = 0; i < readers.size(); i++) {
+    int size = readers.size();
+    for (int i = 0; i < size; i++) {
       Reader reader = (Reader) readers.elementAt(i);
       try {
         return reader.decode(image, hints);
diff --git a/core/src/com/google/zxing/oned/MultiFormatOneDReader.java b/core/src/com/google/zxing/oned/MultiFormatOneDReader.java
index 46dd2c501..df1ef2780 100644
--- a/core/src/com/google/zxing/oned/MultiFormatOneDReader.java
+++ b/core/src/com/google/zxing/oned/MultiFormatOneDReader.java
@@ -31,16 +31,17 @@ import java.util.Vector;
  */
 public final class MultiFormatOneDReader extends AbstractOneDReader {
 
-  public Result decodeRow(int rowNumber, BitArray row, Hashtable hints) throws ReaderException {
+  private Vector readers;
 
+  public MultiFormatOneDReader(Hashtable hints) {
     Vector possibleFormats = hints == null ? null : (Vector) hints.get(DecodeHintType.POSSIBLE_FORMATS);
-    Vector readers = new Vector();
+    readers = new Vector();
     if (possibleFormats != null) {
       if (possibleFormats.contains(BarcodeFormat.EAN_13) ||
           possibleFormats.contains(BarcodeFormat.UPC_A) ||
           possibleFormats.contains(BarcodeFormat.EAN_8) ||
           possibleFormats.contains(BarcodeFormat.UPC_E)) {
-        readers.addElement(new MultiFormatUPCEANReader());
+        readers.addElement(new MultiFormatUPCEANReader(hints));
       }
       if (possibleFormats.contains(BarcodeFormat.CODE_39)) {
         readers.addElement(new Code39Reader());
@@ -50,12 +51,15 @@ public final class MultiFormatOneDReader extends AbstractOneDReader {
       }
     }
     if (readers.isEmpty()) {
-      readers.addElement(new MultiFormatUPCEANReader());
+      readers.addElement(new MultiFormatUPCEANReader(hints));
       readers.addElement(new Code39Reader());
       readers.addElement(new Code128Reader());
     }
+  }
 
-    for (int i = 0; i < readers.size(); i++) {
+  public Result decodeRow(int rowNumber, BitArray row, Hashtable hints) throws ReaderException {
+    int size = readers.size();
+    for (int i = 0; i < size; i++) {
       OneDReader reader = (OneDReader) readers.elementAt(i);
       try {
         return reader.decodeRow(rowNumber, row, hints);
@@ -67,4 +71,4 @@ public final class MultiFormatOneDReader extends AbstractOneDReader {
     throw new ReaderException("No barcode was detected in this image.");
   }
 
-}
\ No newline at end of file
+}
diff --git a/core/src/com/google/zxing/oned/MultiFormatUPCEANReader.java b/core/src/com/google/zxing/oned/MultiFormatUPCEANReader.java
index 26977b044..ce45202d9 100644
--- a/core/src/com/google/zxing/oned/MultiFormatUPCEANReader.java
+++ b/core/src/com/google/zxing/oned/MultiFormatUPCEANReader.java
@@ -34,9 +34,11 @@ import java.util.Vector;
  */
 public final class MultiFormatUPCEANReader extends AbstractOneDReader {
 
-  public Result decodeRow(int rowNumber, BitArray row, Hashtable hints) throws ReaderException {
+  private Vector readers;
+
+  public MultiFormatUPCEANReader(Hashtable hints) {
     Vector possibleFormats = hints == null ? null : (Vector) hints.get(DecodeHintType.POSSIBLE_FORMATS);
-    Vector readers = new Vector();
+    readers = new Vector();
     if (possibleFormats != null) {
       if (possibleFormats.contains(BarcodeFormat.EAN_13)) {
         readers.addElement(new EAN13Reader());
@@ -56,10 +58,13 @@ public final class MultiFormatUPCEANReader extends AbstractOneDReader {
       readers.addElement(new EAN8Reader());
       readers.addElement(new UPCEReader());
     }
+  }
 
+  public Result decodeRow(int rowNumber, BitArray row, Hashtable hints) throws ReaderException {
     // Compute this location once and reuse it on multiple implementations
     int[] startGuardPattern = AbstractUPCEANReader.findStartGuardPattern(row);
-    for (int i = 0; i < readers.size(); i++) {
+    int size = readers.size();
+    for (int i = 0; i < size; i++) {
       UPCEANReader reader = (UPCEANReader) readers.elementAt(i);
       Result result;
       try {
@@ -86,4 +91,4 @@ public final class MultiFormatUPCEANReader extends AbstractOneDReader {
     throw new ReaderException("No barcode was detected in this image.");
   }
 
-}
\ No newline at end of file
+}