diff --git a/app/src/main/java/io/techery/properratingbarsample/MainActivity.java b/app/src/main/java/io/techery/properratingbarsample/MainActivity.java
index dd7df9e..48ee587 100644
--- a/app/src/main/java/io/techery/properratingbarsample/MainActivity.java
+++ b/app/src/main/java/io/techery/properratingbarsample/MainActivity.java
@@ -16,8 +16,12 @@ public class MainActivity extends AppCompatActivity {
 
     @Bind(R.id.rootView)
     ViewGroup rootView;
-    @Bind(R.id.ratingBar)
-    ProperRatingBar ratingBar;
+    @Bind(R.id.upperRatingBar)
+    ProperRatingBar upperRatingBar;
+    @Bind(R.id.lowerRatingBar)
+    ProperRatingBar lowerRatingBar;
+
+    private String[] ticksArray = new String[] {"$", "★"};
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -27,17 +31,24 @@ protected void onCreate(Bundle savedInstanceState) {
         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
         //
-        ratingBar.setListener(ratingListener);
+        lowerRatingBar.setListener(ratingListener);
+    }
+
+    @OnClick(R.id.toggleTick) void toggleTick() { // here goes shit-code. No time to do properly
+        String tick;
+        if (upperRatingBar.getSymbolicTick().equals(ticksArray[0])) tick = ticksArray[1];
+        else tick = ticksArray[0];
+        upperRatingBar.setSymbolicTick(tick);
     }
 
     @OnClick(R.id.getRatingButton) void getRatingClicked() {
         Snackbar.make(rootView,
-                String.format(getString(R.string.get_rating_snack_caption_format), ratingBar.getRating()),
+                String.format(getString(R.string.get_rating_snack_caption_format), lowerRatingBar.getRating()),
                 Snackbar.LENGTH_SHORT).show();
     }
 
     @OnClick(R.id.setRatingButton) void setRatingClicked() {
-        ratingBar.setRating(2);
+        lowerRatingBar.setRating(2);
         Snackbar.make(rootView, R.string.set_rating_snack_caption, Snackbar.LENGTH_SHORT).show();
     }
 
diff --git a/app/src/main/res/layout/content_main.xml b/app/src/main/res/layout/content_main.xml
index 7b6f83d..7ca04f6 100644
--- a/app/src/main/res/layout/content_main.xml
+++ b/app/src/main/res/layout/content_main.xml
@@ -23,6 +23,7 @@
         />
 
     <io.techery.properratingbar.ProperRatingBar
+        android:id="@+id/upperRatingBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center_horizontal"
@@ -36,6 +37,15 @@
         app:prb_totalTicks="5"
         />
 
+    <Button
+        android:id="@+id/toggleTick"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="@string/switch_tick_button_caption"
+        android:layout_marginBottom="15dp"
+        />
+
     <android.support.v7.widget.AppCompatTextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
@@ -44,7 +54,7 @@
         />
 
     <io.techery.properratingbar.ProperRatingBar
-        android:id="@+id/ratingBar"
+        android:id="@+id/lowerRatingBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center_horizontal"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 7814f7c..cdadbc4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -4,6 +4,7 @@
 
     <string name="symbolic_tick_prb_caption">ProperRatingBar with symbolic tick:</string>
     <string name="drawable_tick_prb_caption">ProperRatingBar with drawable tick, with attached listener, clickable:</string>
+    <string name="switch_tick_button_caption">Switch tick</string>
     <string name="get_rating_button_caption">Get rating</string>
     <string name="set_rating_button_caption">Set rating to \'2\'</string>
     <string name="set_rating_snack_caption">Rating was set to \'2\'</string>
diff --git a/library/src/io/techery/properratingbar/ProperRatingBar.java b/library/src/io/techery/properratingbar/ProperRatingBar.java
index e1138c3..7648caf 100644
--- a/library/src/io/techery/properratingbar/ProperRatingBar.java
+++ b/library/src/io/techery/properratingbar/ProperRatingBar.java
@@ -74,7 +74,6 @@ public class ProperRatingBar extends LinearLayout {
     public ProperRatingBar(Context context, AttributeSet attrs) {
         super(context, attrs);
         init(context, attrs);
-        addChildren(context);
     }
 
     private void init(Context context, AttributeSet attrs) {
@@ -82,12 +81,12 @@ private void init(Context context, AttributeSet attrs) {
         //
         totalTicks = a.getInt(R.styleable.ProperRatingBar_prb_totalTicks, DF_TOTAL_TICKS);
         rating = a.getInt(R.styleable.ProperRatingBar_prb_defaultRating, DF_DEFAULT_TICKS);
-        if (rating > totalTicks) rating = totalTicks;
-        lastSelectedTickIndex = rating - 1;
+        //
         isClickable = a.getBoolean(R.styleable.ProperRatingBar_prb_clickable, DF_CLICKABLE);
         //
         symbolicTick = a.getString(R.styleable.ProperRatingBar_prb_symbolicTick);
         if (symbolicTick == null) symbolicTick = context.getString(DF_SYMBOLIC_TICK_RES);
+        //
         customTextSize = a.getDimensionPixelSize(R.styleable.ProperRatingBar_android_textSize,
                 context.getResources().getDimensionPixelOffset(DF_SYMBOLIC_TEXT_SIZE_RES));
         customTextStyle = a.getInt(R.styleable.ProperRatingBar_android_textStyle, DF_SYMBOLIC_TEXT_STYLE);
@@ -101,14 +100,24 @@ private void init(Context context, AttributeSet attrs) {
         tickSpacing = a.getDimensionPixelOffset(R.styleable.ProperRatingBar_prb_tickSpacing,
                 context.getResources().getDimensionPixelOffset(DF_TICK_SPACING_RES));
         //
+        afterInit();
+        //
+        a.recycle();
+    }
+
+    private void afterInit() {
+        if (rating > totalTicks) rating = totalTicks;
+        lastSelectedTickIndex = rating - 1;
+        //
         if (tickNormalDrawable == null || tickSelectedDrawable == null) {
             useSymbolicTick = true;
         }
         //
-        a.recycle();
+        addChildren(this.getContext());
     }
 
     private void addChildren(Context context) {
+        this.removeAllViews();
         for (int i = 0; i < totalTicks; i++) {
             addChild(context, i);
         }
@@ -239,7 +248,7 @@ public SavedState[] newArray(int size) {
     }
 
     ///////////////////////////////////////////////////////////////////////////
-    // them getters and setters methods
+    // Them getter and setter methods
     ///////////////////////////////////////////////////////////////////////////
 
     /**
@@ -254,9 +263,14 @@ public RatingListener getListener() {
     /**
      * Set the {@link RatingListener} to be called when user taps rating bar's ticks
      * @param listener listener to set
+     *
+     * @throws IllegalArgumentException if listener is <b>null</b>
      */
     public void setListener(RatingListener listener) {
+        if (listener == null) throw new IllegalArgumentException("listener cannot be null!");
+
         this.listener = listener;
+        this.isClickable = true;
     }
 
     /**
@@ -284,4 +298,13 @@ public void setRating(int rating) {
         lastSelectedTickIndex = rating - 1;
         redrawChildren();
     }
+
+    public void setSymbolicTick(String tick) {
+        this.symbolicTick = tick;
+        afterInit();
+    }
+
+    public String getSymbolicTick() {
+        return this.symbolicTick;
+    }
 }