diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java
new file mode 100644
index 000000000..58d742003
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2011 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.inputmethod.keyboard.internal;
+
+import android.graphics.drawable.Drawable;
+
+import com.android.inputmethod.keyboard.Key;
+import com.android.inputmethod.keyboard.KeyboardId;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+public class KeyboardParams {
+    public KeyboardId mId;
+
+    public int mTotalHeight;
+    public int mTotalWidth;
+
+    public int mHeight;
+    public int mWidth;
+
+    public int mTopPadding;
+    public int mBottomPadding;
+    public int mHorizontalEdgesPadding;
+    public int mHorizontalCenterPadding;
+
+    public int mDefaultRowHeight;
+    public int mDefaultKeyWidth;
+    public int mHorizontalGap;
+    public int mVerticalGap;
+
+    public boolean mIsRtlKeyboard;
+    public int mPopupKeyboardResId;
+    public int mMaxPopupColumn;
+
+    public int GRID_WIDTH;
+    public int GRID_HEIGHT;
+
+    public final List<Key> mKeys = new ArrayList<Key>();
+    public final List<Key> mShiftKeys = new ArrayList<Key>();
+    public final Set<Key> mShiftLockKeys = new HashSet<Key>();
+    public final Map<Key, Drawable> mShiftedIcons = new HashMap<Key, Drawable>();
+    public final Map<Key, Drawable> mUnshiftedIcons = new HashMap<Key, Drawable>();
+    public final KeyboardIconsSet mIconsSet = new KeyboardIconsSet();
+
+    public void addShiftKey(Key key) {
+        if (key == null) return;
+        mShiftKeys.add(key);
+        if (key.mSticky) {
+            mShiftLockKeys.add(key);
+        }
+    }
+
+    public void addShiftedIcon(Key key, Drawable icon) {
+        if (key == null) return;
+        mUnshiftedIcons.put(key, key.getIcon());
+        mShiftedIcons.put(key, icon);
+    }
+
+    /**
+     * Compute the most common key width in order to use it as proximity key detection threshold.
+     *
+     * @return The most common key width in the keyboard
+     */
+    public int getMostCommonKeyWidth() {
+        final HashMap<Integer, Integer> histogram = new HashMap<Integer, Integer>();
+        int maxCount = 0;
+        int mostCommonWidth = 0;
+        for (final Key key : mKeys) {
+            final Integer width = key.mWidth + key.mHorizontalGap;
+            Integer count = histogram.get(width);
+            if (count == null)
+                count = 0;
+            histogram.put(width, ++count);
+            if (count > maxCount) {
+                maxCount = count;
+                mostCommonWidth = width;
+            }
+        }
+        return mostCommonWidth;
+    }
+}