diff --git a/res/values/custom_attrs.xml b/res/values/custom_attrs.xml
index 6c8c199..8364828 100644
--- a/res/values/custom_attrs.xml
+++ b/res/values/custom_attrs.xml
@@ -20,6 +20,7 @@
 
     <declare-styleable name="SeekBarPreference">
         <attr name="min" format="integer" />
+        <attr name="interval" format="integer" />
         <attr name="unitsLeft" format="string|reference" />
         <attr name="unitsRight" format="string|reference" />
     </declare-styleable>
diff --git a/src/org/omnirom/omnigears/chameleonos/SeekBarPreference.java b/src/org/omnirom/omnigears/chameleonos/SeekBarPreference.java
index aa787ae..d573cbc 100644
--- a/src/org/omnirom/omnigears/chameleonos/SeekBarPreference.java
+++ b/src/org/omnirom/omnigears/chameleonos/SeekBarPreference.java
@@ -31,7 +31,6 @@
     private String mUnitsRight = "";
     private SeekBar mSeekBar;
     private TextView mTitle;
-
     private TextView mStatusText;
 
     public SeekBarPreference(Context context, AttributeSet attrs) {
@@ -53,7 +52,7 @@
 
     private void setValuesFromXml(AttributeSet attrs) {
         final TypedArray typedArray = getContext().obtainStyledAttributes(
-                attrs, R.styleable.SeekBarPreference);
+                      attrs, R.styleable.SeekBarPreference);
 
         mMaxValue = attrs.getAttributeIntValue(ANDROIDNS, "max", 100);
         mMinValue = attrs.getAttributeIntValue(SETTINGS, "min", 0);
@@ -200,7 +199,7 @@
 
     @Override
     protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
-        if(restoreValue) {
+        if (restoreValue) {
             mCurrentValue = getPersistedInt(mCurrentValue);
         }
         else {
@@ -220,6 +219,18 @@
         mCurrentValue = value;
     }
 
+    public void setMaxValue(int value) {
+        mMaxValue = value;
+    }
+
+    public void setMinValue(int value) {
+        mMinValue = value;
+    }
+
+    public void updateSeekValue() {
+        mSeekBar.setMax(mMaxValue - mMinValue);
+    }
+
     @Override
     public void setEnabled (boolean enabled) {
         mSeekBar.setEnabled(enabled);