diff --git a/CuteButton/src/main/java/com/rejowan/cutebutton/CuteButton.java b/CuteButton/src/main/java/com/rejowan/cutebutton/CuteButton.java
index e09f71c..d5b626b 100644
--- a/CuteButton/src/main/java/com/rejowan/cutebutton/CuteButton.java
+++ b/CuteButton/src/main/java/com/rejowan/cutebutton/CuteButton.java
@@ -325,7 +325,7 @@ private void setupTextView() {
 
     private void setupImageView() {
         imageView = new ImageView(context);
-        if (icon == 0 ) {
+        if (icon == 0) {
             iconSize = 0;
         }
 
diff --git a/app/build.gradle b/app/build.gradle
index 6185a18..e330d6c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -28,7 +28,7 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'com.google.android.material:material:1.3.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation project(path: ':CuteButton')
diff --git a/app/src/androidTest/java/com/rejowan/cutebutton/ExampleInstrumentedTest.java b/app/src/androidTest/java/com/rejowan/cutebutton/ExampleInstrumentedTest.java
index 0aac5e1..5e60e50 100644
--- a/app/src/androidTest/java/com/rejowan/cutebutton/ExampleInstrumentedTest.java
+++ b/app/src/androidTest/java/com/rejowan/cutebutton/ExampleInstrumentedTest.java
@@ -2,13 +2,13 @@
 
 import android.content.Context;
 
-import androidx.test.platform.app.InstrumentationRegistry;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.platform.app.InstrumentationRegistry;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
 
 /**
  * Instrumented test, which will execute on an Android device.
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 0ac547a..1d1165b 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.rejowan.cutebutton">
 
     <application
@@ -8,7 +9,8 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.CuteButton">
+        android:theme="@style/Theme.CuteButton"
+        tools:ignore="AllowBackup">
         <activity android:name="com.rejowan.cutebutton.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
diff --git a/app/src/main/java/com/rejowan/cutebutton/MainActivity.java b/app/src/main/java/com/rejowan/cutebutton/MainActivity.java
index f8e40c7..489d593 100644
--- a/app/src/main/java/com/rejowan/cutebutton/MainActivity.java
+++ b/app/src/main/java/com/rejowan/cutebutton/MainActivity.java
@@ -1,11 +1,34 @@
 package com.rejowan.cutebutton;
 
-import android.graphics.Color;
 import android.os.Bundle;
 
 import androidx.appcompat.app.AppCompatActivity;
 
 public class MainActivity extends AppCompatActivity {
+ /*
+     CuteButton Library for Android
+     Created by K M Rejowan Ahmmed (ahmmedrejowan)
+     Min Api 21
+     Target Api 30
+     Java Version 1.8
+     */
+
+
+    /*
+     Copyright 2021 K M Rejowan Ahmmed (ahmmedrejowan)
+
+     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.
+     */
 
 
     @Override
@@ -14,6 +37,5 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_main);
 
 
-
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_baseline_add_shopping_cart_24.xml b/app/src/main/res/drawable/ic_baseline_add_shopping_cart_24.xml
index 53de01a..5f2871b 100644
--- a/app/src/main/res/drawable/ic_baseline_add_shopping_cart_24.xml
+++ b/app/src/main/res/drawable/ic_baseline_add_shopping_cart_24.xml
@@ -1,5 +1,10 @@
-<vector android:height="24dp" android:tint="#FFFFFF"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M11,9h2L13,6h3L16,4h-3L13,1h-2v3L8,4v2h3v3zM7,18c-1.1,0 -1.99,0.9 -1.99,2S5.9,22 7,22s2,-0.9 2,-2 -0.9,-2 -2,-2zM17,18c-1.1,0 -1.99,0.9 -1.99,2s0.89,2 1.99,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM7.17,14.75l0.03,-0.12 0.9,-1.63h7.45c0.75,0 1.41,-0.41 1.75,-1.03l3.86,-7.01L19.42,4h-0.01l-1.1,2 -2.76,5L8.53,11l-0.13,-0.27L6.16,6l-0.95,-2 -0.94,-2L1,2v2h2l3.6,7.59 -1.35,2.45c-0.16,0.28 -0.25,0.61 -0.25,0.96 0,1.1 0.9,2 2,2h12v-2L7.42,15c-0.13,0 -0.25,-0.11 -0.25,-0.25z"/>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M11,9h2L13,6h3L16,4h-3L13,1h-2v3L8,4v2h3v3zM7,18c-1.1,0 -1.99,0.9 -1.99,2S5.9,22 7,22s2,-0.9 2,-2 -0.9,-2 -2,-2zM17,18c-1.1,0 -1.99,0.9 -1.99,2s0.89,2 1.99,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM7.17,14.75l0.03,-0.12 0.9,-1.63h7.45c0.75,0 1.41,-0.41 1.75,-1.03l3.86,-7.01L19.42,4h-0.01l-1.1,2 -2.76,5L8.53,11l-0.13,-0.27L6.16,6l-0.95,-2 -0.94,-2L1,2v2h2l3.6,7.59 -1.35,2.45c-0.16,0.28 -0.25,0.61 -0.25,0.96 0,1.1 0.9,2 2,2h12v-2L7.42,15c-0.13,0 -0.25,-0.11 -0.25,-0.25z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_baseline_arrow_circle_down_24.xml b/app/src/main/res/drawable/ic_baseline_arrow_circle_down_24.xml
index 890060b..1192416 100644
--- a/app/src/main/res/drawable/ic_baseline_arrow_circle_down_24.xml
+++ b/app/src/main/res/drawable/ic_baseline_arrow_circle_down_24.xml
@@ -1,5 +1,10 @@
-<vector android:height="24dp" android:tint="#FFFFFF"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M12,4c4.41,0 8,3.59 8,8s-3.59,8 -8,8s-8,-3.59 -8,-8S7.59,4 12,4M12,2C6.48,2 2,6.48 2,12c0,5.52 4.48,10 10,10c5.52,0 10,-4.48 10,-10C22,6.48 17.52,2 12,2L12,2zM13,12l0,-4h-2l0,4H8l4,4l4,-4H13z"/>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,4c4.41,0 8,3.59 8,8s-3.59,8 -8,8s-8,-3.59 -8,-8S7.59,4 12,4M12,2C6.48,2 2,6.48 2,12c0,5.52 4.48,10 10,10c5.52,0 10,-4.48 10,-10C22,6.48 17.52,2 12,2L12,2zM13,12l0,-4h-2l0,4H8l4,4l4,-4H13z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_baseline_bookmark_border_24.xml b/app/src/main/res/drawable/ic_baseline_bookmark_border_24.xml
index 95cd4cb..f102984 100644
--- a/app/src/main/res/drawable/ic_baseline_bookmark_border_24.xml
+++ b/app/src/main/res/drawable/ic_baseline_bookmark_border_24.xml
@@ -1,5 +1,10 @@
-<vector android:height="24dp" android:tint="#FFFFFF"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M17,3L7,3c-1.1,0 -1.99,0.9 -1.99,2L5,21l7,-3 7,3L19,5c0,-1.1 -0.9,-2 -2,-2zM17,18l-5,-2.18L7,18L7,5h10v13z"/>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M17,3L7,3c-1.1,0 -1.99,0.9 -1.99,2L5,21l7,-3 7,3L19,5c0,-1.1 -0.9,-2 -2,-2zM17,18l-5,-2.18L7,18L7,5h10v13z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_baseline_check_24.xml b/app/src/main/res/drawable/ic_baseline_check_24.xml
index 2501e9f..9e21ec4 100644
--- a/app/src/main/res/drawable/ic_baseline_check_24.xml
+++ b/app/src/main/res/drawable/ic_baseline_check_24.xml
@@ -1,5 +1,10 @@
-<vector android:height="24dp" android:tint="#FFFFFF"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z"/>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_baseline_create_24.xml b/app/src/main/res/drawable/ic_baseline_create_24.xml
index 8be4e8c..24b5164 100644
--- a/app/src/main/res/drawable/ic_baseline_create_24.xml
+++ b/app/src/main/res/drawable/ic_baseline_create_24.xml
@@ -1,5 +1,10 @@
-<vector android:height="24dp" android:tint="#C62828"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M3,17.25V21h3.75L17.81,9.94l-3.75,-3.75L3,17.25zM20.71,7.04c0.39,-0.39 0.39,-1.02 0,-1.41l-2.34,-2.34c-0.39,-0.39 -1.02,-0.39 -1.41,0l-1.83,1.83 3.75,3.75 1.83,-1.83z"/>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#C62828"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M3,17.25V21h3.75L17.81,9.94l-3.75,-3.75L3,17.25zM20.71,7.04c0.39,-0.39 0.39,-1.02 0,-1.41l-2.34,-2.34c-0.39,-0.39 -1.02,-0.39 -1.41,0l-1.83,1.83 3.75,3.75 1.83,-1.83z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_baseline_delete_24.xml b/app/src/main/res/drawable/ic_baseline_delete_24.xml
index 282594c..c710ac7 100644
--- a/app/src/main/res/drawable/ic_baseline_delete_24.xml
+++ b/app/src/main/res/drawable/ic_baseline_delete_24.xml
@@ -1,5 +1,10 @@
-<vector android:height="24dp" android:tint="#FFFFFF"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_baseline_login_24.xml b/app/src/main/res/drawable/ic_baseline_login_24.xml
index 3193447..50a2f8b 100644
--- a/app/src/main/res/drawable/ic_baseline_login_24.xml
+++ b/app/src/main/res/drawable/ic_baseline_login_24.xml
@@ -1,5 +1,10 @@
-<vector android:height="24dp" android:tint="#6A1B9A"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M11,7L9.6,8.4l2.6,2.6H2v2h10.2l-2.6,2.6L11,17l5,-5L11,7zM20,19h-8v2h8c1.1,0 2,-0.9 2,-2V5c0,-1.1 -0.9,-2 -2,-2h-8v2h8V19z"/>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#6A1B9A"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M11,7L9.6,8.4l2.6,2.6H2v2h10.2l-2.6,2.6L11,17l5,-5L11,7zM20,19h-8v2h8c1.1,0 2,-0.9 2,-2V5c0,-1.1 -0.9,-2 -2,-2h-8v2h8V19z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_baseline_save_24.xml b/app/src/main/res/drawable/ic_baseline_save_24.xml
index 999020d..555a07c 100644
--- a/app/src/main/res/drawable/ic_baseline_save_24.xml
+++ b/app/src/main/res/drawable/ic_baseline_save_24.xml
@@ -1,5 +1,10 @@
-<vector android:height="24dp" android:tint="#FFFFFF"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M17,3L5,3c-1.11,0 -2,0.9 -2,2v14c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,7l-4,-4zM12,19c-1.66,0 -3,-1.34 -3,-3s1.34,-3 3,-3 3,1.34 3,3 -1.34,3 -3,3zM15,9L5,9L5,5h10v4z"/>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M17,3L5,3c-1.11,0 -2,0.9 -2,2v14c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,7l-4,-4zM12,19c-1.66,0 -3,-1.34 -3,-3s1.34,-3 3,-3 3,1.34 3,3 -1.34,3 -3,3zM15,9L5,9L5,5h10v4z" />
 </vector>
diff --git a/app/src/test/java/com/rejowan/cutebutton/ExampleUnitTest.java b/app/src/test/java/com/rejowan/cutebutton/ExampleUnitTest.java
index 0a66ecf..b8b0676 100644
--- a/app/src/test/java/com/rejowan/cutebutton/ExampleUnitTest.java
+++ b/app/src/test/java/com/rejowan/cutebutton/ExampleUnitTest.java
@@ -2,7 +2,7 @@
 
 import org.junit.Test;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
 
 /**
  * Example local unit test, which will execute on the development machine (host).