diff --git a/core/java/android/content/res/Configuration.java b/core/java/android/content/res/Configuration.java
new file mode 100644
index 0000000..7e4b7ac
--- /dev/null
+++ b/core/java/android/content/res/Configuration.java
@@ -0,0 +1,436 @@
+package android.content.res;
+
+import android.content.pm.ActivityInfo;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Locale;
+
+/**
+ * This class describes all device configuration information that can
+ * impact the resources the application retrieves.  This includes both
+ * user-specified configuration options (locale and scaling) as well
+ * as dynamic device configuration (various types of input devices).
+ */
+public final class Configuration implements Parcelable, Comparable<Configuration> {
+    /**
+     * Current user preference for the scaling factor for fonts, relative
+     * to the base density scaling.
+     */
+    public float fontScale;
+
+    /**
+     * IMSI MCC (Mobile Country Code).  0 if undefined.
+     */
+    public int mcc;
+    
+    /**
+     * IMSI MNC (Mobile Network Code).  0 if undefined.
+     */
+    public int mnc;
+    
+    /**
+     * Current user preference for the locale.
+     */
+    public Locale locale;
+
+    /**
+     * Locale should persist on setting
+     * @hide pending API council approval
+     */
+    public boolean userSetLocale;
+
+    public static final int TOUCHSCREEN_UNDEFINED = 0;
+    public static final int TOUCHSCREEN_NOTOUCH = 1;
+    public static final int TOUCHSCREEN_STYLUS = 2;
+    public static final int TOUCHSCREEN_FINGER = 3;
+    
+    /**
+     * The kind of touch screen attached to the device.
+     * One of: {@link #TOUCHSCREEN_NOTOUCH}, {@link #TOUCHSCREEN_STYLUS}, 
+     * {@link #TOUCHSCREEN_FINGER}. 
+     */
+    public int touchscreen;
+    
+    public static final int KEYBOARD_UNDEFINED = 0;
+    public static final int KEYBOARD_NOKEYS = 1;
+    public static final int KEYBOARD_QWERTY = 2;
+    public static final int KEYBOARD_12KEY = 3;
+    
+    /**
+     * The kind of keyboard attached to the device.
+     * One of: {@link #KEYBOARD_QWERTY}, {@link #KEYBOARD_12KEY}.
+     */
+    public int keyboard;
+    
+    public static final int KEYBOARDHIDDEN_UNDEFINED = 0;
+    public static final int KEYBOARDHIDDEN_NO = 1;
+    public static final int KEYBOARDHIDDEN_YES = 2;
+    /** Constant matching actual resource implementation. {@hide} */
+    public static final int KEYBOARDHIDDEN_SOFT = 3;
+    
+    /**
+     * A flag indicating whether any keyboard is available.  Unlike
+     * {@link #hardKeyboardHidden}, this also takes into account a soft
+     * keyboard, so if the hard keyboard is hidden but there is soft
+     * keyboard available, it will be set to NO.  Value is one of:
+     * {@link #KEYBOARDHIDDEN_NO}, {@link #KEYBOARDHIDDEN_YES}.
+     */
+    public int keyboardHidden;
+    
+    public static final int HARDKEYBOARDHIDDEN_UNDEFINED = 0;
+    public static final int HARDKEYBOARDHIDDEN_NO = 1;
+    public static final int HARDKEYBOARDHIDDEN_YES = 2;
+    
+    /**
+     * A flag indicating whether the hard keyboard has been hidden.  This will
+     * be set on a device with a mechanism to hide the keyboard from the
+     * user, when that mechanism is closed.  One of:
+     * {@link #HARDKEYBOARDHIDDEN_NO}, {@link #HARDKEYBOARDHIDDEN_YES}.
+     */
+    public int hardKeyboardHidden;
+    
+    public static final int NAVIGATION_UNDEFINED = 0;
+    public static final int NAVIGATION_NONAV = 1;
+    public static final int NAVIGATION_DPAD = 2;
+    public static final int NAVIGATION_TRACKBALL = 3;
+    public static final int NAVIGATION_WHEEL = 4;
+    
+    /**
+     * The kind of navigation method available on the device.
+     * One of: {@link #NAVIGATION_DPAD}, {@link #NAVIGATION_TRACKBALL}, 
+     * {@link #NAVIGATION_WHEEL}. 
+     */
+    public int navigation;
+    
+    public static final int ORIENTATION_UNDEFINED = 0;
+    public static final int ORIENTATION_PORTRAIT = 1;
+    public static final int ORIENTATION_LANDSCAPE = 2;
+    public static final int ORIENTATION_SQUARE = 3;
+    
+    /**
+     * Overall orientation of the screen.  May be one of
+     * {@link #ORIENTATION_LANDSCAPE}, {@link #ORIENTATION_PORTRAIT},
+     * or {@link #ORIENTATION_SQUARE}.
+     */
+    public int orientation;
+    
+    /**
+     * Construct an invalid Configuration.  You must call {@link #setToDefaults}
+     * for this object to be valid.  {@more}
+     */
+    public Configuration() {
+        setToDefaults();
+    }
+
+    /**
+     * Makes a deep copy suitable for modification.
+     */
+    public Configuration(Configuration o) {
+        fontScale = o.fontScale;
+        mcc = o.mcc;
+        mnc = o.mnc;
+        if (o.locale != null) {
+            locale = (Locale) o.locale.clone();
+        }
+        userSetLocale = o.userSetLocale;
+        touchscreen = o.touchscreen;
+        keyboard = o.keyboard;
+        keyboardHidden = o.keyboardHidden;
+        hardKeyboardHidden = o.hardKeyboardHidden;
+        navigation = o.navigation;
+        orientation = o.orientation;
+    }
+
+    public String toString() {
+        return "{ scale=" + fontScale + " imsi=" + mcc + "/" + mnc
+                + " locale=" + locale
+                + " touch=" + touchscreen + " key=" + keyboard + "/"
+                + keyboardHidden + "/" + hardKeyboardHidden
+                + " nav=" + navigation + " orien=" + orientation + " }";
+    }
+
+    /**
+     * Set this object to the system defaults.
+     */
+    public void setToDefaults() {
+        fontScale = 1;
+        mcc = mnc = 0;
+        locale = Locale.getDefault();
+        userSetLocale = false;
+        touchscreen = TOUCHSCREEN_UNDEFINED;
+        keyboard = KEYBOARD_UNDEFINED;
+        keyboardHidden = KEYBOARDHIDDEN_UNDEFINED;
+        hardKeyboardHidden = HARDKEYBOARDHIDDEN_UNDEFINED;
+        navigation = NAVIGATION_UNDEFINED;
+        orientation = ORIENTATION_UNDEFINED;
+    }
+
+    /** {@hide} */
+    @Deprecated public void makeDefault() {
+        setToDefaults();
+    }
+    
+    /**
+     * Copy the fields from delta into this Configuration object, keeping
+     * track of which ones have changed.  Any undefined fields in
+     * <var>delta</var> are ignored and not copied in to the current
+     * Configuration.
+     * @return Returns a bit mask of the changed fields, as per
+     * {@link #diff}.
+     */
+    public int updateFrom(Configuration delta) {
+        int changed = 0;
+        if (delta.fontScale > 0 && fontScale != delta.fontScale) {
+            changed |= ActivityInfo.CONFIG_FONT_SCALE;
+            fontScale = delta.fontScale;
+        }
+        if (delta.mcc != 0 && mcc != delta.mcc) {
+            changed |= ActivityInfo.CONFIG_MCC;
+            mcc = delta.mcc;
+        }
+        if (delta.mnc != 0 && mnc != delta.mnc) {
+            changed |= ActivityInfo.CONFIG_MNC;
+            mnc = delta.mnc;
+        }
+        if (delta.locale != null
+                && (locale == null || !locale.equals(delta.locale))) {
+            changed |= ActivityInfo.CONFIG_LOCALE;
+            locale = delta.locale != null
+                    ? (Locale) delta.locale.clone() : null;
+        }
+        if (delta.userSetLocale && (!userSetLocale || ((changed & ActivityInfo.CONFIG_LOCALE) != 0)))
+        {
+            userSetLocale = true;
+            changed |= ActivityInfo.CONFIG_LOCALE;
+        }
+        if (delta.touchscreen != TOUCHSCREEN_UNDEFINED
+                && touchscreen != delta.touchscreen) {
+            changed |= ActivityInfo.CONFIG_TOUCHSCREEN;
+            touchscreen = delta.touchscreen;
+        }
+        if (delta.keyboard != KEYBOARD_UNDEFINED
+                && keyboard != delta.keyboard) {
+            changed |= ActivityInfo.CONFIG_KEYBOARD;
+            keyboard = delta.keyboard;
+        }
+        if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED
+                && keyboardHidden != delta.keyboardHidden) {
+            changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
+            keyboardHidden = delta.keyboardHidden;
+        }
+        if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED
+                && hardKeyboardHidden != delta.hardKeyboardHidden) {
+            changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
+            hardKeyboardHidden = delta.hardKeyboardHidden;
+        }
+        if (delta.navigation != NAVIGATION_UNDEFINED
+                && navigation != delta.navigation) {
+            changed |= ActivityInfo.CONFIG_NAVIGATION;
+            navigation = delta.navigation;
+        }
+        if (delta.orientation != ORIENTATION_UNDEFINED
+                && orientation != delta.orientation) {
+            changed |= ActivityInfo.CONFIG_ORIENTATION;
+            orientation = delta.orientation;
+        }
+        
+        return changed;
+    }
+
+    /**
+     * Return a bit mask of the differences between this Configuration
+     * object and the given one.  Does not change the values of either.  Any
+     * undefined fields in <var>delta</var> are ignored.
+     * @return Returns a bit mask indicating which configuration
+     * values has changed, containing any combination of
+     * {@link android.content.pm.ActivityInfo#CONFIG_FONT_SCALE
+     * PackageManager.ActivityInfo.CONFIG_FONT_SCALE},
+     * {@link android.content.pm.ActivityInfo#CONFIG_MCC
+     * PackageManager.ActivityInfo.CONFIG_MCC},
+     * {@link android.content.pm.ActivityInfo#CONFIG_MNC
+     * PackageManager.ActivityInfo.CONFIG_MNC},
+     * {@link android.content.pm.ActivityInfo#CONFIG_LOCALE
+     * PackageManager.ActivityInfo.CONFIG_LOCALE},
+     * {@link android.content.pm.ActivityInfo#CONFIG_TOUCHSCREEN
+     * PackageManager.ActivityInfo.CONFIG_TOUCHSCREEN},
+     * {@link android.content.pm.ActivityInfo#CONFIG_KEYBOARD
+     * PackageManager.ActivityInfo.CONFIG_KEYBOARD},
+     * {@link android.content.pm.ActivityInfo#CONFIG_NAVIGATION
+     * PackageManager.ActivityInfo.CONFIG_NAVIGATION}, or
+     * {@link android.content.pm.ActivityInfo#CONFIG_ORIENTATION
+     * PackageManager.ActivityInfo.CONFIG_ORIENTATION}.
+     */
+    public int diff(Configuration delta) {
+        int changed = 0;
+        if (delta.fontScale > 0 && fontScale != delta.fontScale) {
+            changed |= ActivityInfo.CONFIG_FONT_SCALE;
+        }
+        if (delta.mcc != 0 && mcc != delta.mcc) {
+            changed |= ActivityInfo.CONFIG_MCC;
+        }
+        if (delta.mnc != 0 && mnc != delta.mnc) {
+            changed |= ActivityInfo.CONFIG_MNC;
+        }
+        if (delta.locale != null
+                && (locale == null || !locale.equals(delta.locale))) {
+            changed |= ActivityInfo.CONFIG_LOCALE;
+        }
+        if (delta.touchscreen != TOUCHSCREEN_UNDEFINED
+                && touchscreen != delta.touchscreen) {
+            changed |= ActivityInfo.CONFIG_TOUCHSCREEN;
+        }
+        if (delta.keyboard != KEYBOARD_UNDEFINED
+                && keyboard != delta.keyboard) {
+            changed |= ActivityInfo.CONFIG_KEYBOARD;
+        }
+        if (delta.keyboardHidden != KEYBOARDHIDDEN_UNDEFINED
+                && keyboardHidden != delta.keyboardHidden) {
+            changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
+        }
+        if (delta.hardKeyboardHidden != HARDKEYBOARDHIDDEN_UNDEFINED
+                && hardKeyboardHidden != delta.hardKeyboardHidden) {
+            changed |= ActivityInfo.CONFIG_KEYBOARD_HIDDEN;
+        }
+        if (delta.navigation != NAVIGATION_UNDEFINED
+                && navigation != delta.navigation) {
+            changed |= ActivityInfo.CONFIG_NAVIGATION;
+        }
+        if (delta.orientation != ORIENTATION_UNDEFINED
+                && orientation != delta.orientation) {
+            changed |= ActivityInfo.CONFIG_ORIENTATION;
+        }
+        
+        return changed;
+    }
+
+    /**
+     * Determine if a new resource needs to be loaded from the bit set of
+     * configuration changes returned by {@link #updateFrom(Configuration)}.
+     * 
+     * @param configChanges The mask of changes configurations as returned by
+     * {@link #updateFrom(Configuration)}.
+     * @param interestingChanges The configuration changes that the resource
+     * can handled, as given in {@link android.util.TypedValue#changingConfigurations}.
+     * 
+     * @return Return true if the resource needs to be loaded, else false.
+     */
+    public static boolean needNewResources(int configChanges, int interestingChanges) {
+        return (configChanges & (interestingChanges|ActivityInfo.CONFIG_FONT_SCALE)) != 0;
+    }
+    
+    /**
+     * Parcelable methods
+     */
+    public int describeContents() {
+        return 0;
+    }
+
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeFloat(fontScale);
+        dest.writeInt(mcc);
+        dest.writeInt(mnc);
+        if (locale == null) {
+            dest.writeInt(0);
+        } else {
+            dest.writeInt(1);
+            dest.writeString(locale.getLanguage());
+            dest.writeString(locale.getCountry());
+            dest.writeString(locale.getVariant());
+        }
+        if(userSetLocale) {
+            dest.writeInt(1);
+        } else {
+            dest.writeInt(0);
+        }
+        dest.writeInt(touchscreen);
+        dest.writeInt(keyboard);
+        dest.writeInt(keyboardHidden);
+        dest.writeInt(hardKeyboardHidden);
+        dest.writeInt(navigation);
+        dest.writeInt(orientation);
+    }
+
+    public static final Parcelable.Creator<Configuration> CREATOR
+            = new Parcelable.Creator<Configuration>() {
+        public Configuration createFromParcel(Parcel source) {
+            return new Configuration(source);
+        }
+
+        public Configuration[] newArray(int size) {
+            return new Configuration[size];
+        }
+    };
+
+    /**
+     * Construct this Configuration object, reading from the Parcel.
+     */
+    private Configuration(Parcel source) {
+        fontScale = source.readFloat();
+        mcc = source.readInt();
+        mnc = source.readInt();
+        if (source.readInt() != 0) {
+            locale = new Locale(source.readString(), source.readString(),
+                    source.readString());
+        }
+        userSetLocale = (source.readInt()==1);
+        touchscreen = source.readInt();
+        keyboard = source.readInt();
+        keyboardHidden = source.readInt();
+        hardKeyboardHidden = source.readInt();
+        navigation = source.readInt();
+        orientation = source.readInt();
+    }
+
+    public int compareTo(Configuration that) {
+        int n;
+        float a = this.fontScale;
+        float b = that.fontScale;
+        if (a < b) return -1;
+        if (a > b) return 1;
+        n = this.mcc - that.mcc;
+        if (n != 0) return n;
+        n = this.mnc - that.mnc;
+        if (n != 0) return n;
+        n = this.locale.getLanguage().compareTo(that.locale.getLanguage());
+        if (n != 0) return n;
+        n = this.locale.getCountry().compareTo(that.locale.getCountry());
+        if (n != 0) return n;
+        n = this.locale.getVariant().compareTo(that.locale.getVariant());
+        if (n != 0) return n;
+        n = this.touchscreen - that.touchscreen;
+        if (n != 0) return n;
+        n = this.keyboard - that.keyboard;
+        if (n != 0) return n;
+        n = this.keyboardHidden - that.keyboardHidden;
+        if (n != 0) return n;
+        n = this.hardKeyboardHidden - that.hardKeyboardHidden;
+        if (n != 0) return n;
+        n = this.navigation - that.navigation;
+        if (n != 0) return n;
+        n = this.orientation - that.orientation;
+        //if (n != 0) return n;
+        return n;
+    }
+
+    public boolean equals(Configuration that) {
+        if (that == null) return false;
+        if (that == this) return true;
+        return this.compareTo(that) == 0;
+    }
+
+    public boolean equals(Object that) {
+        try {
+            return equals((Configuration)that);
+        } catch (ClassCastException e) {
+        }
+        return false;
+    }
+    
+    public int hashCode() {
+        return ((int)this.fontScale) + this.mcc + this.mnc
+                + this.locale.hashCode() + this.touchscreen
+                + this.keyboard + this.keyboardHidden + this.hardKeyboardHidden
+                + this.navigation + this.orientation;
+    }
+}