library module created and also separated the example module.

lib/src/main/res/layout/activity_sample.xml → example/src/main/res/layout/activity_sample.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:id="@+id/parentLayout"

lib/build.gradle

@@ -7,8 +7,8 @@ android {
     defaultConfig {
         minSdkVersion 17
         targetSdkVersion 23
-        versionCode 2
-        versionName "1.0.1"
+        versionCode 3
+        versionName "1.0.2"
     }
     buildTypes {
         release {