diff --git a/.gradle/4.6/fileHashes/fileHashes.bin b/.gradle/4.6/fileHashes/fileHashes.bin
index 2b34d47..519d000 100644
Binary files a/.gradle/4.6/fileHashes/fileHashes.bin and b/.gradle/4.6/fileHashes/fileHashes.bin differ
diff --git a/.gradle/4.6/fileHashes/fileHashes.lock b/.gradle/4.6/fileHashes/fileHashes.lock
index e29341c..7d651d3 100644
Binary files a/.gradle/4.6/fileHashes/fileHashes.lock and b/.gradle/4.6/fileHashes/fileHashes.lock differ
diff --git a/.gradle/4.6/javaCompile/classAnalysis.bin b/.gradle/4.6/javaCompile/classAnalysis.bin
index c1a5ee3..d268d92 100644
Binary files a/.gradle/4.6/javaCompile/classAnalysis.bin and b/.gradle/4.6/javaCompile/classAnalysis.bin differ
diff --git a/.gradle/4.6/javaCompile/javaCompile.lock b/.gradle/4.6/javaCompile/javaCompile.lock
index 989e436..737f44b 100644
Binary files a/.gradle/4.6/javaCompile/javaCompile.lock and b/.gradle/4.6/javaCompile/javaCompile.lock differ
diff --git a/.gradle/4.6/javaCompile/taskHistory.bin b/.gradle/4.6/javaCompile/taskHistory.bin
index 8c52ce1..431e3fb 100644
Binary files a/.gradle/4.6/javaCompile/taskHistory.bin and b/.gradle/4.6/javaCompile/taskHistory.bin differ
diff --git a/.gradle/4.6/javaCompile/taskJars.bin b/.gradle/4.6/javaCompile/taskJars.bin
index 7d1b942..f4fdb06 100644
Binary files a/.gradle/4.6/javaCompile/taskJars.bin and b/.gradle/4.6/javaCompile/taskJars.bin differ
diff --git a/.gradle/4.6/taskHistory/taskHistory.bin b/.gradle/4.6/taskHistory/taskHistory.bin
index 9bd4079..1cecdc2 100644
Binary files a/.gradle/4.6/taskHistory/taskHistory.bin and b/.gradle/4.6/taskHistory/taskHistory.bin differ
diff --git a/.gradle/4.6/taskHistory/taskHistory.lock b/.gradle/4.6/taskHistory/taskHistory.lock
index 24a26df..b8dcc6c 100644
Binary files a/.gradle/4.6/taskHistory/taskHistory.lock and b/.gradle/4.6/taskHistory/taskHistory.lock differ
diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index b4c2009..0bf1104 100644
Binary files a/.gradle/buildOutputCleanup/buildOutputCleanup.lock and b/.gradle/buildOutputCleanup/buildOutputCleanup.lock differ
diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index d1f6537..3804a35 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 3c6c945..0de35b5 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -12,7 +12,9 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="d1231cbc-0fcd-44d3-a9c7-7856b8b77a56" name="Default" comment="">
-      <change afterPath="$PROJECT_DIR$/.idea/codeStyles/Project.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/androidscratchcard/build.gradle" beforeDir="false" afterPath="$PROJECT_DIR$/androidscratchcard/build.gradle" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/build.gradle" beforeDir="false" afterPath="$PROJECT_DIR$/app/build.gradle" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/build.gradle" beforeDir="false" afterPath="$PROJECT_DIR$/build.gradle" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="TRACKING_ENABLED" value="true" />
@@ -38,23 +40,50 @@
       <file leaf-file-name="MainActivity.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/app/src/main/java/in/myinnos/androidscratchcardexample/MainActivity.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="237">
-              <caret line="35" column="17" lean-forward="true" selection-start-line="35" selection-start-column="17" selection-end-line="35" selection-end-column="17" />
+            <state relative-caret-position="285">
+              <caret line="28" column="32" selection-start-line="28" selection-start-column="32" selection-end-line="28" selection-end-column="32" />
               <folding>
                 <element signature="e#924#1376#0" expanded="true" />
                 <element signature="e#1375#1376#0" expanded="true" />
-                <element signature="e#1377#1568#0" expanded="true" />
-                <element signature="e#1567#1568#0" expanded="true" />
+                <element signature="e#1361#1513#0" expanded="true" />
+                <element signature="e#1512#1513#0" expanded="true" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="activity_main.xml" pinned="false" current-in-tab="true">
+      <file leaf-file-name="build.gradle" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/build.gradle">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="180">
+              <caret line="12" column="38" lean-forward="true" selection-start-line="12" selection-start-column="38" selection-end-line="12" selection-end-column="38" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="build.gradle" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/androidscratchcard/build.gradle">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="975">
+              <caret line="65" column="1" selection-start-line="65" selection-start-column="1" selection-end-line="65" selection-end-column="1" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="build.gradle" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/app/build.gradle">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="225">
+              <caret line="16" column="5" lean-forward="true" selection-start-line="16" selection-start-column="5" selection-end-line="16" selection-end-column="5" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="activity_main.xml" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="248">
-              <caret line="17" column="44" lean-forward="true" selection-start-line="17" selection-start-column="44" selection-end-line="17" selection-end-column="44" />
+            <state relative-caret-position="990">
+              <caret line="66" column="32" selection-start-line="66" selection-start-column="32" selection-end-line="66" selection-end-column="32" />
             </state>
           </provider>
           <provider editor-type-id="android-designer2">
@@ -3368,8 +3397,11 @@
     <option name="CHANGED_PATHS">
       <list>
         <option value="$PROJECT_DIR$/app/src/main/res/values/strings.xml" />
-        <option value="$PROJECT_DIR$/app/src/main/java/in/myinnos/androidscratchcardexample/MainActivity.java" />
         <option value="$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml" />
+        <option value="$PROJECT_DIR$/app/src/main/java/in/myinnos/androidscratchcardexample/MainActivity.java" />
+        <option value="$PROJECT_DIR$/build.gradle" />
+        <option value="$PROJECT_DIR$/androidscratchcard/build.gradle" />
+        <option value="$PROJECT_DIR$/app/build.gradle" />
       </list>
     </option>
   </component>
@@ -3420,38 +3452,6 @@
       <pane id="AndroidView">
         <subPane>
           <expand>
-            <path>
-              <item name="AndroidScratchCard" type="1abcf292:AndroidViewProjectNode" />
-              <item name="app" type="feadf853:AndroidModuleNode" />
-            </path>
-            <path>
-              <item name="AndroidScratchCard" type="1abcf292:AndroidViewProjectNode" />
-              <item name="app" type="feadf853:AndroidModuleNode" />
-              <item name="java" type="edd41e36:AndroidSourceTypeNode" />
-            </path>
-            <path>
-              <item name="AndroidScratchCard" type="1abcf292:AndroidViewProjectNode" />
-              <item name="app" type="feadf853:AndroidModuleNode" />
-              <item name="java" type="edd41e36:AndroidSourceTypeNode" />
-              <item name="androidscratchcardexample" type="cbb59c9e:AndroidPsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="AndroidScratchCard" type="1abcf292:AndroidViewProjectNode" />
-              <item name="app" type="feadf853:AndroidModuleNode" />
-              <item name="res" type="d4f16f75:AndroidResFolderNode" />
-            </path>
-            <path>
-              <item name="AndroidScratchCard" type="1abcf292:AndroidViewProjectNode" />
-              <item name="app" type="feadf853:AndroidModuleNode" />
-              <item name="res" type="d4f16f75:AndroidResFolderNode" />
-              <item name="layout" type="ddeffd01:AndroidResFolderTypeNode" />
-            </path>
-            <path>
-              <item name="AndroidScratchCard" type="1abcf292:AndroidViewProjectNode" />
-              <item name="app" type="feadf853:AndroidModuleNode" />
-              <item name="res" type="d4f16f75:AndroidResFolderNode" />
-              <item name="values" type="ddeffd01:AndroidResFolderTypeNode" />
-            </path>
             <path>
               <item name="AndroidScratchCard" type="1abcf292:AndroidViewProjectNode" />
               <item name="Gradle Scripts" type="ae0cef3a:AndroidBuildScriptsGroupNode" />
@@ -3622,6 +3622,14 @@
       <option name="presentableId" value="Default" />
       <updated>1541397406008</updated>
     </task>
+    <task id="LOCAL-00001" summary="fixed">
+      <created>1541398018983</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1541398018983</updated>
+    </task>
+    <option name="localTasksCounter" value="2" />
     <servers />
   </component>
   <component name="ToolWindowManager">
@@ -3642,12 +3650,12 @@
       <window_info anchor="right" id="Palette&#9;" />
       <window_info id="Image Layers" />
       <window_info anchor="right" id="Capture Analysis" />
-      <window_info active="true" anchor="right" id="Preview" visible="true" weight="0.3297568" />
+      <window_info anchor="right" id="Preview" weight="0.3297568" />
       <window_info anchor="bottom" id="Run" order="2" />
       <window_info anchor="bottom" id="Version Control" />
       <window_info anchor="bottom" id="Terminal" />
       <window_info id="Captures" order="2" weight="0.25" />
-      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.24964234" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.24964234" />
       <window_info anchor="right" id="Android WiFi ADB" />
       <window_info anchor="right" id="Gradle" />
       <window_info anchor="right" id="Fabric" />
@@ -3665,6 +3673,10 @@
   <component name="VcsContentAnnotationSettings">
     <option name="myLimit" value="2678400000" />
   </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="fixed" />
+    <option name="LAST_COMMIT_MESSAGE" value="fixed" />
+  </component>
   <component name="editorHistoryManager">
     <entry file="file://$PROJECT_DIR$/app/src/main/res/values/strings.xml">
       <provider selected="true" editor-type-id="text-editor">
@@ -3673,27 +3685,48 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="990">
+          <caret line="66" column="32" selection-start-line="66" selection-start-column="32" selection-end-line="66" selection-end-column="32" />
+        </state>
+      </provider>
+      <provider editor-type-id="android-designer2">
+        <state />
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/app/src/main/java/in/myinnos/androidscratchcardexample/MainActivity.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="237">
-          <caret line="35" column="17" lean-forward="true" selection-start-line="35" selection-start-column="17" selection-end-line="35" selection-end-column="17" />
+        <state relative-caret-position="285">
+          <caret line="28" column="32" selection-start-line="28" selection-start-column="32" selection-end-line="28" selection-end-column="32" />
           <folding>
             <element signature="e#924#1376#0" expanded="true" />
             <element signature="e#1375#1376#0" expanded="true" />
-            <element signature="e#1377#1568#0" expanded="true" />
-            <element signature="e#1567#1568#0" expanded="true" />
+            <element signature="e#1361#1513#0" expanded="true" />
+            <element signature="e#1512#1513#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml">
+    <entry file="file://$PROJECT_DIR$/build.gradle">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="248">
-          <caret line="17" column="44" lean-forward="true" selection-start-line="17" selection-start-column="44" selection-end-line="17" selection-end-column="44" />
+        <state relative-caret-position="180">
+          <caret line="12" column="38" lean-forward="true" selection-start-line="12" selection-start-column="38" selection-end-line="12" selection-end-column="38" />
         </state>
       </provider>
-      <provider editor-type-id="android-designer2">
-        <state />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/androidscratchcard/build.gradle">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="975">
+          <caret line="65" column="1" selection-start-line="65" selection-start-column="1" selection-end-line="65" selection-end-column="1" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/build.gradle">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="16" column="5" lean-forward="true" selection-start-line="16" selection-start-column="5" selection-end-line="16" selection-end-column="5" />
+        </state>
       </provider>
     </entry>
   </component>
diff --git a/androidscratchcard/build.gradle b/androidscratchcard/build.gradle
index 65fdcfc..6509146 100644
--- a/androidscratchcard/build.gradle
+++ b/androidscratchcard/build.gradle
@@ -1,4 +1,7 @@
 apply plugin: 'com.android.library'
+apply plugin: 'com.github.dcendents.android-maven'
+
+group='com.github.jitpack'
 
 android {
     compileSdkVersion 28
@@ -19,8 +22,45 @@ android {
 
 }
 
+allprojects {
+    repositories {
+        jcenter()
+        maven { url "https://jitpack.io" }
+        google()
+        maven {
+            url 'http://oss.jfrog.org/artifactory/oss-snapshot-local'
+        }
+        maven {
+            url "https://maven.google.com"
+        }
+    }
+}
+
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-
     implementation 'com.android.support:appcompat-v7:28.0.0'
 }
+
+// build a jar with source files
+task sourcesJar(type: Jar) {
+    from android.sourceSets.main.java.srcDirs
+    classifier = 'sources'
+}
+
+task javadoc(type: Javadoc) {
+    failOnError  false
+    source = android.sourceSets.main.java.sourceFiles
+    classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
+    classpath += configurations.compile
+}
+
+// build a jar with javadoc
+task javadocJar(type: Jar, dependsOn: javadoc) {
+    classifier = 'javadoc'
+    from javadoc.destinationDir
+}
+
+artifacts {
+    archives sourcesJar
+    archives javadocJar
+}
diff --git a/app/build.gradle b/app/build.gradle
index aad1958..c5ab55e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -17,6 +17,13 @@ android {
     }
 }
 
+allprojects {
+    repositories {
+        jcenter()
+        maven { url "https://jitpack.io" }
+    }
+}
+
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation 'com.android.support:appcompat-v7:28.0.0'
diff --git a/build.gradle b/build.gradle
index 8d3ef8e..362fad2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.1'
-        
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -19,6 +19,7 @@ allprojects {
     repositories {
         google()
         jcenter()
+        maven { url "https://jitpack.io" }
     }
 }