diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 87556fe..7d4804f 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 7ac24c7..66e2f6f 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -9,6 +9,7 @@
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
+            <option value="$PROJECT_DIR$/library" />
           </set>
         </option>
         <option name="resolveModulePerSourceSet" value="false" />
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 10ee414..af22f9d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -23,10 +23,11 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
     implementation 'com.android.support:appcompat-v7:27.1.1'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation project(':library')
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 1965adf..be9e7ab 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -8,7 +8,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".demo.MainActivity">
+        <activity android:name=".sample.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/app/src/main/java/com/opencraft/android/gradienttextview/demo/MainActivity.kt b/app/src/main/java/com/opencraft/android/gradienttextview/sample/MainActivity.kt
similarity index 85%
rename from app/src/main/java/com/opencraft/android/gradienttextview/demo/MainActivity.kt
rename to app/src/main/java/com/opencraft/android/gradienttextview/sample/MainActivity.kt
index ccb4cb3..4840401 100644
--- a/app/src/main/java/com/opencraft/android/gradienttextview/demo/MainActivity.kt
+++ b/app/src/main/java/com/opencraft/android/gradienttextview/sample/MainActivity.kt
@@ -1,4 +1,4 @@
-package com.opencraft.android.gradienttextview.demo
+package com.opencraft.android.gradienttextview.sample
 
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 36461e3..ce71a6e 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,22 +1,34 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="#f9f9f9"
-    tools:context=".demo.MainActivity">
+    android:orientation="vertical"
+    tools:context=".sample.MainActivity">
 
-    <com.opencraft.android.gradienttextview.control.GradientTextView
+    <com.opencraft.library.GradientTextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_margin="32dp"
-        android:text="aaaaaaaaaaaaa\naaaaaaaaaaaaa\naaaaaaaaaaaaa"
+        android:text="aaaaaaaaaaaaa\naaaaaaaaaaaaa\naaaaaaaaaaaaa\naaaaaaaaaaaaaa"
         android:textSize="22sp"
         android:textStyle="bold"
         app:color_array="@array/gradient_default"
         app:color_span_array="@array/gradient_color_span_default"
-        app:gradient_end="BOTTOM_CENTER"
-        app:gradient_start="TOP_CENTER" />
+        app:gradient_end="BOTTOM_RIGHT"
+        app:gradient_start="TOP_LEFT" />
 
-</RelativeLayout>
\ No newline at end of file
+    <com.opencraft.library.GradientTextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="32dp"
+        android:text="aaaaaaaaaaaaa\naaaaaaaaaaaaa\naaaaaaaaaaaaa\naaaaaaaaaaaaaa"
+        android:textSize="22sp"
+        android:textStyle="bold"
+        app:angle="-45"
+        app:color_array="@array/gradient_default"
+        app:color_span_array="@array/gradient_color_span_default" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/library/.gitignore b/library/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/library/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/library/build.gradle b/library/build.gradle
new file mode 100644
index 0000000..8e14a52
--- /dev/null
+++ b/library/build.gradle
@@ -0,0 +1,39 @@
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 27
+
+
+
+    defaultConfig {
+        minSdkVersion 15
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}
+repositories {
+    mavenCentral()
+}
diff --git a/library/proguard-rules.pro b/library/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/library/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/library/src/androidTest/java/com/opencraft/library/ExampleInstrumentedTest.java b/library/src/androidTest/java/com/opencraft/library/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..9e4d8f7
--- /dev/null
+++ b/library/src/androidTest/java/com/opencraft/library/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.opencraft.library;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.opencraft.library.test", appContext.getPackageName());
+    }
+}
diff --git a/library/src/main/AndroidManifest.xml b/library/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..1f8d8f3
--- /dev/null
+++ b/library/src/main/AndroidManifest.xml
@@ -0,0 +1,2 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.opencraft.library" />
diff --git a/app/src/main/java/com/opencraft/android/gradienttextview/control/GradientTextView.kt b/library/src/main/java/com/opencraft/library/GradientTextView.kt
similarity index 98%
rename from app/src/main/java/com/opencraft/android/gradienttextview/control/GradientTextView.kt
rename to library/src/main/java/com/opencraft/library/GradientTextView.kt
index 47d2639..4cb310e 100644
--- a/app/src/main/java/com/opencraft/android/gradienttextview/control/GradientTextView.kt
+++ b/library/src/main/java/com/opencraft/library/GradientTextView.kt
@@ -1,4 +1,4 @@
-package com.opencraft.android.gradienttextview.control
+package com.opencraft.library
 
 import android.annotation.SuppressLint
 import android.content.Context
@@ -9,7 +9,6 @@ import android.graphics.Point
 import android.graphics.Shader
 import android.util.AttributeSet
 import android.widget.TextView
-import com.opencraft.android.gradienttextview.R
 
 
 class GradientTextView constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : TextView(context, attrs, defStyleAttr) {
diff --git a/library/src/main/res/values/arrays.xml b/library/src/main/res/values/arrays.xml
new file mode 100644
index 0000000..79434f1
--- /dev/null
+++ b/library/src/main/res/values/arrays.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="gradient_default">
+        <item>#000000</item>
+        <item>#FFFFFF</item>
+    </string-array>
+    
+    <integer-array name="gradient_color_span_default">
+        <item>1</item>
+        <item>1</item>
+    </integer-array>
+</resources>
\ No newline at end of file
diff --git a/library/src/main/res/values/attrs.xml b/library/src/main/res/values/attrs.xml
new file mode 100644
index 0000000..4fba493
--- /dev/null
+++ b/library/src/main/res/values/attrs.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="GradientTextView">
+        <attr name="color_array" format="reference" />
+        <attr name="color_span_array" format="reference" />
+        <attr name="angle" format="integer" />
+        <attr name="gradient_start" format="enum">
+            <enum name="TOP_LEFT" value="0" />
+            <enum name="TOP_CENTER" value="1" />
+            <enum name="MIDDLE_RIGHT" value="2" />
+            <enum name="MIDDLE_LEFT" value="3" />
+            <enum name="TOP_RIGHT" value="4" />
+            <enum name="BOTTOM_LEFT" value="5" />
+            <enum name="BOTTOM_CENTER" value="6" />
+            <enum name="BOTTOM_RIGHT" value="7" />
+        </attr>
+        <attr name="gradient_end" format="enum">
+            <enum name="TOP_LEFT" value="0" />
+            <enum name="TOP_CENTER" value="1" />
+            <enum name="MIDDLE_RIGHT" value="2" />
+            <enum name="MIDDLE_LEFT" value="3" />
+            <enum name="TOP_RIGHT" value="4" />
+            <enum name="BOTTOM_LEFT" value="5" />
+            <enum name="BOTTOM_CENTER" value="6" />
+            <enum name="BOTTOM_RIGHT" value="7" />
+        </attr>
+    </declare-styleable>
+</resources>
\ No newline at end of file
diff --git a/library/src/main/res/values/colors.xml b/library/src/main/res/values/colors.xml
new file mode 100644
index 0000000..3ab3e9c
--- /dev/null
+++ b/library/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>
diff --git a/library/src/main/res/values/integers.xml b/library/src/main/res/values/integers.xml
new file mode 100644
index 0000000..75733ce
--- /dev/null
+++ b/library/src/main/res/values/integers.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <integer name="default_angle">90</integer>
+</resources>
\ No newline at end of file
diff --git a/library/src/main/res/values/strings.xml b/library/src/main/res/values/strings.xml
new file mode 100644
index 0000000..7c9e449
--- /dev/null
+++ b/library/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">GradientTextView</string>
+</resources>
diff --git a/library/src/main/res/values/styles.xml b/library/src/main/res/values/styles.xml
new file mode 100644
index 0000000..5885930
--- /dev/null
+++ b/library/src/main/res/values/styles.xml
@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>
diff --git a/library/src/test/java/com/opencraft/library/ExampleUnitTest.java b/library/src/test/java/com/opencraft/library/ExampleUnitTest.java
new file mode 100644
index 0000000..720b3bd
--- /dev/null
+++ b/library/src/test/java/com/opencraft/library/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package com.opencraft.library;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
index e7b4def..3306997 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1 @@
-include ':app'
+include ':app', ':library'