diff --git a/app/src/main/java/com/volcaniccoder/volxfastscrollsample/MainActivity.java b/app/src/main/java/com/volcaniccoder/volxfastscrollsample/MainActivity.java
index 12dc93d..0df2d7b 100644
--- a/app/src/main/java/com/volcaniccoder/volxfastscrollsample/MainActivity.java
+++ b/app/src/main/java/com/volcaniccoder/volxfastscrollsample/MainActivity.java
@@ -47,8 +47,8 @@ public int compare(String f1, String f2) {
             model.add(userModel);
         }
 
-        parentLayout = (FrameLayout) findViewById(R.id.activity_use);
-        mRecyclerView = (RecyclerView) findViewById(R.id.rcx);
+        parentLayout = findViewById(R.id.activity_use);
+        mRecyclerView = findViewById(R.id.rcx);
 
         mLayoutManager = new LinearLayoutManager(this);
         mRecyclerView.setLayoutManager(mLayoutManager);
diff --git a/app/src/main/java/com/volcaniccoder/volxfastscrollsample/UsersOwnAdapter.java b/app/src/main/java/com/volcaniccoder/volxfastscrollsample/UsersOwnAdapter.java
index 1bfdc91..797ad3b 100644
--- a/app/src/main/java/com/volcaniccoder/volxfastscrollsample/UsersOwnAdapter.java
+++ b/app/src/main/java/com/volcaniccoder/volxfastscrollsample/UsersOwnAdapter.java
@@ -25,7 +25,7 @@ public static class ViewHolder extends RecyclerView.ViewHolder {
         TextView txt;
         public ViewHolder(View v) {
             super(v);
-            txt = (TextView) v.findViewById(R.id.txt);
+            txt = v.findViewById(R.id.txt);
         }
     }
 
@@ -40,8 +40,7 @@ public UsersOwnAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
         View v =  LayoutInflater.from(parent.getContext())
                 .inflate(R.layout.item_main, parent, false);
 
-        ViewHolder vh = new ViewHolder(v);
-        return vh;
+        return new ViewHolder(v);
     }
 
     @Override
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index bf0d0ba..2572b34 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/activity_use"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
diff --git a/volxfastscroll/src/main/java/com/volcaniccoder/volxfastscroll/Volx.java b/volxfastscroll/src/main/java/com/volcaniccoder/volxfastscroll/Volx.java
index 198990b..29ae9e6 100644
--- a/volxfastscroll/src/main/java/com/volcaniccoder/volxfastscroll/Volx.java
+++ b/volxfastscroll/src/main/java/com/volcaniccoder/volxfastscroll/Volx.java
@@ -322,7 +322,7 @@ private void onScreenCreated(int height, ViewTreeObserver.OnGlobalLayoutListener
         rightBarParams.height = (int) (height * barHeightRatio);
         itemHeight = (int) (height * barHeightRatio - utils.dpToPx(16)) / (charList.size());
 
-        mAdapter = new VolxAdapter(charList, utils, new VolxAdapterFeatures(itemHeight, barHeightRatio, barWidth, textSize, textColor, activeColor));
+        mAdapter = new VolxAdapter(charList, new VolxAdapterFeatures(itemHeight, barHeightRatio, barWidth, textSize, textColor, activeColor));
         mRecyclerView.setAdapter(mAdapter);
     }
 
diff --git a/volxfastscroll/src/main/java/com/volcaniccoder/volxfastscroll/VolxAdapter.java b/volxfastscroll/src/main/java/com/volcaniccoder/volxfastscroll/VolxAdapter.java
index 04547f2..a765f00 100644
--- a/volxfastscroll/src/main/java/com/volcaniccoder/volxfastscroll/VolxAdapter.java
+++ b/volxfastscroll/src/main/java/com/volcaniccoder/volxfastscroll/VolxAdapter.java
@@ -1,7 +1,10 @@
 package com.volcaniccoder.volxfastscroll;
 
 import android.graphics.Color;
+import android.support.v4.widget.TextViewCompat;
+import android.support.v7.widget.AppCompatTextView;
 import android.support.v7.widget.RecyclerView;
+import android.util.TypedValue;
 import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -15,12 +18,10 @@ public class VolxAdapter extends RecyclerView.Adapter<VolxAdapter.ViewHolder> {
 
     private List<VolxCharModel> mDataset;
     private VolxAdapterFeatures mFeatures;
-    private float defaultTextSize;
 
-    public VolxAdapter(List<VolxCharModel> mDataset, VolxUtils utils, VolxAdapterFeatures mFeatures) {
+    public VolxAdapter(List<VolxCharModel> mDataset, VolxAdapterFeatures mFeatures) {
         this.mFeatures = mFeatures;
         this.mDataset = mDataset;
-        this.defaultTextSize = utils.defaultTextSize(mFeatures.getParamsHeight());
     }
 
     @Override
@@ -77,18 +78,19 @@ public ViewHolder(View v, VolxAdapterFeatures mFeatures) {
                     (ViewGroup.LayoutParams.MATCH_PARENT, mFeatures.getParamsHeight());
             parentParams.setMargins(4, 0, 4, 0);
 
-            itemParent = (LinearLayout) v.findViewById(R.id.item_parent);
+            itemParent = v.findViewById(R.id.item_parent);
             itemParent.setBackgroundColor(Color.TRANSPARENT);
             itemParent.setLayoutParams(parentParams);
 
-            charText = new TextView(v.getContext());
+            charText = new AppCompatTextView(v.getContext());
             LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams
-                    (ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
+                    (ViewGroup.LayoutParams.MATCH_PARENT, mFeatures.getParamsHeight());
             charText.setGravity(Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL);
 
-            if (mFeatures.getTextSize() == Volx.FIT_NICELY)
-                charText.setTextSize(defaultTextSize);
-            else
+            if (mFeatures.getTextSize() == Volx.FIT_NICELY) {
+                TextViewCompat.setAutoSizeTextTypeWithDefaults(charText, TextViewCompat.AUTO_SIZE_TEXT_TYPE_UNIFORM);
+                TextViewCompat.setAutoSizeTextTypeUniformWithConfiguration(charText, 2, 13, 1, TypedValue.COMPLEX_UNIT_SP);
+            } else
                 charText.setTextSize(mFeatures.getTextSize());
 
             charText.setTextColor(mFeatures.getTextColor());