2025-04-20 07:29:02 +02:00
32 changed files with 637 additions and 467 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -0,0 +1,86 @@
+version: 2.1
+jobs:
+  build:
+    working_directory: ~/code
+    docker:
+      - image: circleci/android:api-29
+    environment:
+      JVM_OPTS: -Xmx3200m
+    steps:
+      - checkout
+      - restore_cache:
+          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
+      - run:
+          name: Download Dependencies
+          command: ./gradlew androidDependencies
+      - save_cache:
+          paths:
+            - ~/.gradle
+          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
+
+  tests:
+    working_directory: ~/code
+    docker:
+      - image: circleci/android:api-29
+    environment:
+      JVM_OPTS: -Xmx3200m
+    steps:
+      - checkout
+      - restore_cache:
+          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
+      - store_artifacts:
+          path: app/build/reports
+          destination: reports
+      - run:
+          name: Run Lint Test
+          command: ./gradlew lint
+      - run:
+          name: Run Tests
+          command: ./gradlew lint test
+      - store_artifacts:
+          path: app/build/reports
+          destination: reports
+      - store_test_results:
+          path: app/build/test-results
+
+  deploy:
+    working_directory: ~/code
+    docker:
+      - image: circleci/android:api-29
+    environment:
+      JVM_OPTS: -Xmx3200m
+    steps:
+      - checkout
+      - restore_cache:
+          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
+      - run:
+          name: Build Library
+          command: ./gradlew :expandable-recyclerview:assembleRelease
+      - run:
+          name: Export key
+          command: |
+            mkdir expandable-recyclerview/maven
+            echo ${GPG_KEY_CONTENTS} | base64 -d --ignore-garbage > expandable-recyclerview/maven/secret.gpg
+      - run:
+          name: Staging
+          command: ./gradlew :expandable-recyclerview:publishReleasePublicationToSonatypeRepository
+      - run:
+          name: Release Library
+          command: ./gradlew closeAndReleaseRepository
+
+workflows:
+  version: 2.1
+  build-and-deploy:
+    jobs:
+      - build:
+          filters:  # required since `deploy` has tag filters AND requires `build`
+            tags:
+              only: /.*/
+      - deploy:
+          requires:
+            - build
+          filters:
+            tags:
+              only: /v[0-9]{1,3}\.[0-9]{1,3}\.?[0-9]{0,3}.*/
+            branches:
+              ignore: /.*/
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@ -1,38 +0,0 @@
-name: Publish
-
-on:
-  release:
-    # We'll run this workflow when a new GitHub release is created
-    types: [released]
-
-jobs:
-  publish:
-    name: Release build and publish
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-      - name: Set up JDK 11
-        uses: actions/setup-java@v2
-        with:
-          distribution: adopt
-          java-version: 11
-
-        # Builds the release artifacts of the library
-      - name: Release build
-        run: ./gradlew :expandable-recyclerview:assembleRelease
-
-        # Generates other artifacts (javadocJar is optional)
-      - name: Source jar and dokka
-        run: ./gradlew androidSourcesJar javadocJar
-
-        # Runs upload, and then closes & releases the repository
-      - name: Publish to MavenCentral
-        run: ./gradlew publishReleasePublicationToSonatypeRepository --max-workers 1 closeAndReleaseSonatypeStagingRepository
-        env:
-          OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
-          OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
-          SIGNING_KEY_ID: ${{ secrets.SIGNING_KEY_ID }}
-          SIGNING_PASSWORD: ${{ secrets.SIGNING_PASSWORD }}
-          SIGNING_KEY: ${{ secrets.SIGNING_KEY }}
-          SONATYPE_STAGING_PROFILE_ID: ${{ secrets.SONATYPE_STAGING_PROFILE_ID }}
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@ -1,27 +0,0 @@
-name: Test
-
-on:
-  pull_request:
-    branches:
-      - master
-      - develop
-
-jobs:
-  build:
-    name: Run unit tests
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-      - name: Set up JDK 11
-        uses: actions/setup-java@v2
-        with:
-          distribution: adopt
-          java-version: 11
-      # Builds the release artifacts
-      - name: Build project
-        run: ./gradlew assemble
-
-      # Run tests
-      - name: Run tests
-        run: ./gradlew test
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@ -1,5 +1,8 @@
 <component name="ProjectCodeStyleConfiguration">
  <code_scheme name="Project" version="173">
+    <AndroidXmlCodeStyleSettings>
+      <option name="ARRANGEMENT_SETTINGS_MIGRATED_TO_191" value="true" />
+    </AndroidXmlCodeStyleSettings>
    <JetCodeStyleSettings>
      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
    </JetCodeStyleSettings>
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="11" />
-  </component>
-</project>
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@ -1,13 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
  <component name="GradleSettings">
    <option name="linkedExternalProjectsSettings">
      <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
        <option name="distributionType" value="DEFAULT_WRAPPED" />
        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="11" />
        <option name="modules">
          <set>
            <option value="$PROJECT_DIR$" />
@ -15,6 +12,8 @@
            <option value="$PROJECT_DIR$/expandable-recyclerview" />
          </set>
        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+        <option name="testRunner" value="PLATFORM" />
      </GradleProjectSettings>
    </option>
  </component>
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="BintrayJCenter" />
-      <option name="name" value="BintrayJCenter" />
-      <option name="url" value="https://jcenter.bintray.com/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="Google" />
-      <option name="name" value="Google" />
-      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="MavenRepo" />
-      <option name="name" value="MavenRepo" />
-      <option name="url" value="https://repo.maven.apache.org/maven2/" />
-    </remote-repository>
-  </component>
-</project>
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@ -1,15 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="DesignSurface">
-    <option name="filePathToZoomLevelMap">
-      <map>
-        <entry key="app/src/main/res/layout/activity_main.xml" value="0.18020833333333333" />
-        <entry key="app/src/main/res/layout/item_level_1.xml" value="0.32916666666666666" />
-        <entry key="app/src/main/res/layout/item_level_2.xml" value="0.32916666666666666" />
-        <entry key="app/src/main/res/layout/item_level_3.xml" value="0.2824074074074074" />
-      </map>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
    <output url="file://$PROJECT_DIR$/build/classes" />
  </component>
  <component name="ProjectType">
--- a/.idea/runConfigurations.xml
+++ b/.idea/runConfigurations.xml
@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
--- a/Demo.gif
+++ b/Demo.gif
--- a/214
+++ b/214
@ -1,21 +1,201 @@
-MIT License
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/

-Copyright (c) 2022 Adrian Kuta
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+   1. Definitions.

-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.

-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
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+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
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+      outstanding shares, or (iii) beneficial ownership of such entity.
+
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+      agreed to in writing, Licensor provides the Work (and each
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
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--- a/README.md
+++ b/README.md
@ -1,8 +1,8 @@
 # Multilevel Expandable RecyclerView

-[![maven](https://img.shields.io/maven-central/v/com.github.adriankuta/expandable-recyclerView?style=plastic)](https://mvnrepository.com/artifact/com.github.adriankuta/expandable-recyclerView)
+[![maven](https://img.shields.io/maven-central/v/com.github.adriankuta/expandable-recyclerView?style=plastic)](https://search.maven.org/artifact/com.github.adriankuta/expandable-recyclerView)
 [![License](https://img.shields.io/github/license/AdrianKuta/Expandable-RecyclerView?style=plastic)](https://github.com/AdrianKuta/Expandable-RecyclerView/blob/master/LICENSE)
-[![Publish](https://github.com/AdrianKuta/Expandable-RecyclerView/actions/workflows/publish.yml/badge.svg)](https://github.com/AdrianKuta/Expandable-RecyclerView/actions/workflows/publish.yml)
+[![CircleCI](https://img.shields.io/circleci/build/github/AdrianKuta/Expandable-RecyclerView/master?label=CircleCI&style=plastic&logo=circleci)](https://circleci.com/gh/AdrianKuta/Expandable-RecyclerView)

 With this adapter you can add expand feature to regular RecyclerView.

--- a/app/build.gradle
+++ b/app/build.gradle
@ -1,15 +1,16 @@
 apply plugin: 'com.android.application'
+
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-kapt'
+
+apply plugin: 'kotlin-android-extensions'

 android {
-    namespace 'com.github.adriankuta'
-    compileSdkVersion 33
-    buildToolsVersion "33.0.0"
+    compileSdkVersion 29
+    buildToolsVersion "29.0.2"
    defaultConfig {
        applicationId "com.github.adriankuta"
        minSdkVersion 23
-        targetSdkVersion 33
+        targetSdkVersion 29
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@ -20,20 +21,19 @@ android {
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
-    buildFeatures {
-        viewBinding true
+    dataBinding {
+        enabled = true
    }
 }

 dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.6.1'
-    implementation 'androidx.core:core-ktx:1.10.1'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'com.github.adriankuta:expandable-recyclerView:2.1.0'
-
-    testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.github.adriankuta:expandable-recyclerView:0.0.1-beta02'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }
--- 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">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.github.adriankuta">

    <application
        android:allowBackup="true"
@ -8,8 +9,7 @@
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity"
-            android:exported="true">
+        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

--- a/app/src/main/java/com/github/adriankuta/ExpandableAdapter.kt
+++ b/app/src/main/java/com/github/adriankuta/ExpandableAdapter.kt
@ -3,26 +3,25 @@ package com.github.adriankuta
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.core.view.isGone
 import androidx.recyclerview.widget.RecyclerView
 import com.github.adriankuta.databinding.ItemLevel1Binding
 import com.github.adriankuta.databinding.ItemLevel2Binding
 import com.github.adriankuta.databinding.ItemLevel3Binding
-import com.github.adriankuta.expandable_recyclerview.ExpandableRecyclerViewAdapter
 import com.github.adriankuta.expandable_recyclerview.ExpandableTreeNode
+import com.github.adriankuta.expandable_recyclerview.MultilevelRecyclerViewAdapter
 import com.github.adriankuta.expandable_recyclerview.expandableTree

 class ExpandableAdapter :
-    ExpandableRecyclerViewAdapter<Region, ExpandableAdapter.ExpandableViewHolder>() {
+    MultilevelRecyclerViewAdapter<String, ExpandableAdapter.ExpandableViewHolder>() {

-    private var tree: ExpandableTreeNode<Region>? = null
+    private var tree: ExpandableTreeNode<String>? = null

-    fun setTree(tree: ExpandableTreeNode<Region>) {
+    fun setTree(tree: ExpandableTreeNode<String>) {
        this.tree = tree
        notifyDataSetChanged()
    }

-    override fun getTreeNodes(): ExpandableTreeNode<Region> = tree ?: expandableTree(Region(""))
+    override fun getTreeNodes(): ExpandableTreeNode<String> = tree ?: expandableTree("") {}

    override fun onCreateViewHolder(parent: ViewGroup, nestLevel: Int): ExpandableViewHolder {
        return when (nestLevel) {
@ -35,7 +34,7 @@ class ExpandableAdapter :

    override fun onBindViewHolder(
        holder: ExpandableViewHolder,
-        treeNode: ExpandableTreeNode<Region>,
+        treeNode: ExpandableTreeNode<String>,
        nestLevel: Int
    ) {
        holder.bind(treeNode) {
@ -47,65 +46,38 @@ class ExpandableAdapter :

        class Level1(private val binding: ItemLevel1Binding) : ExpandableViewHolder(binding.root) {
            override fun bind(
-                node: ExpandableTreeNode<Region>,
-                onClickListener: ((ExpandableTreeNode<Region>) -> Unit)?
+                node: ExpandableTreeNode<String>,
+                onClickListener: ((ExpandableTreeNode<String>) -> Unit)?
            ) {
-                binding.apply {
-                    root.setOnClickListener { onClickListener?.invoke(node) }
-                    textView.text = node.value.name
-                    expandIcon.isGone = node.children.isEmpty()
-                    expandIcon.setImageResource(
-                        if (node.expanded)
-                            R.drawable.ic_expand_less_black_24dp
-                        else
-                            R.drawable.ic_expand_more_black_24dp
-                    )
-                }
+                binding.node = node
+                binding.root.setOnClickListener { onClickListener?.invoke(node) }
            }
        }

        class Level2(private val binding: ItemLevel2Binding) : ExpandableViewHolder(binding.root) {
            override fun bind(
-                node: ExpandableTreeNode<Region>,
-                onClickListener: ((ExpandableTreeNode<Region>) -> Unit)?
+                node: ExpandableTreeNode<String>,
+                onClickListener: ((ExpandableTreeNode<String>) -> Unit)?
            ) {
-                binding.apply {
-                    root.setOnClickListener { onClickListener?.invoke(node) }
-                    textView.text = node.value.name
-                    expandIcon.isGone = node.children.isEmpty()
-                    expandIcon.setImageResource(
-                        if (node.expanded)
-                            R.drawable.ic_expand_less_black_24dp
-                        else
-                            R.drawable.ic_expand_more_black_24dp
-                    )
-                }
+                binding.node = node
+                binding.root.setOnClickListener { onClickListener?.invoke(node) }
            }
        }

        class Level3(private val binding: ItemLevel3Binding) : ExpandableViewHolder(binding.root) {
            override fun bind(
-                node: ExpandableTreeNode<Region>,
-                onClickListener: ((ExpandableTreeNode<Region>) -> Unit)?
+                node: ExpandableTreeNode<String>,
+                onClickListener: ((ExpandableTreeNode<String>) -> Unit)?
            ) {
-                binding.apply {
-                    root.setOnClickListener { onClickListener?.invoke(node) }
-                    textView.text = node.value.name
-                    expandIcon.isGone = node.children.isEmpty()
-                    expandIcon.setImageResource(
-                        if (node.expanded)
-                            R.drawable.ic_expand_less_black_24dp
-                        else
-                            R.drawable.ic_expand_more_black_24dp
-                    )
-                }
+                binding.node = node
+                binding.root.setOnClickListener { onClickListener?.invoke(node) }
            }
        }


        abstract fun bind(
-            node: ExpandableTreeNode<Region>,
-            onClickListener: ((ExpandableTreeNode<Region>) -> Unit)? = null
+            node: ExpandableTreeNode<String>,
+            onClickListener: ((ExpandableTreeNode<String>) -> Unit)? = null
        )

    }
--- a/app/src/main/java/com/github/adriankuta/MainActivity.kt
+++ b/app/src/main/java/com/github/adriankuta/MainActivity.kt
@ -2,36 +2,37 @@ package com.github.adriankuta

 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
-import com.github.adriankuta.databinding.ActivityMainBinding
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.github.adriankuta.expandable_recyclerview.expandableTree
+import kotlinx.android.synthetic.main.activity_main.*

 class MainActivity : AppCompatActivity() {

-    private lateinit var binding: ActivityMainBinding
-
-
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
-        binding = ActivityMainBinding.inflate(layoutInflater)
-        setContentView(binding.root)
+        setContentView(R.layout.activity_main)

-        val tree = expandableTree(Region("World")) {
-            child(Region("North America")) {
-                child(Region("USA"))
+
+        val tree = expandableTree("World") {
+            child("North America") {
+                child("USA")
            }
-            child(Region("Europe")) {
-                child(Region("Poland")) {
-                    child(Region("Warsaw"))
+            child("Europe") {
+                child("Poland") {
+                    child("Warsaw")
                }
-                child(Region("Germany"))
+                child("Germany")
            }
-            child(Region("Asia")) {
-                child(Region("China"))
+            child("Asia") {
+                child("China")
            }
        }

        val adapter = ExpandableAdapter()
-        binding.recyclerView.adapter = adapter
+        recyclerView.layoutManager = LinearLayoutManager(this, RecyclerView.VERTICAL, false)
+        recyclerView.adapter = adapter
+
        adapter.setTree(tree)
    }
 }
--- a/app/src/main/java/com/github/adriankuta/Region.kt
+++ b/app/src/main/java/com/github/adriankuta/Region.kt
@ -1,3 +0,0 @@
-package com.github.adriankuta
-
-data class Region(val name: String)
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@ -10,8 +10,6 @@
        android:id="@+id/recyclerView"
        android:layout_width="0dp"
        android:layout_height="0dp"
-        android:orientation="vertical"
-        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
--- a/app/src/main/res/layout/item_level_1.xml
+++ b/app/src/main/res/layout/item_level_1.xml
@ -1,31 +1,43 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout 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="wrap_content">
+<layout>

-    <ImageView
-        android:id="@+id/expand_icon"
-        android:layout_width="24dp"
-        android:layout_height="0dp"
-        android:scaleType="centerInside"
-        android:visibility="gone"
-        app:layout_constraintBottom_toBottomOf="@id/textView"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="@id/textView"
-        tools:src="@drawable/ic_expand_less_black_24dp"
-        tools:visibility="visible" />
+    <data>

-    <TextView
-        android:id="@+id/textView"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:padding="8dp"
-        android:text="@{node.value}"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@id/expand_icon"
-        app:layout_constraintTop_toTopOf="parent"
-        tools:text="@tools:sample/full_names" />
-</androidx.constraintlayout.widget.ConstraintLayout>
+        <variable
+            name="node"
+            type="com.github.adriankuta.expandable_recyclerview.ExpandableTreeNode&lt;String>" />
+
+        <import type="android.view.View" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout 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="wrap_content">
+
+        <ImageView
+            android:id="@+id/expand_icon"
+            android:layout_width="24dp"
+            android:layout_height="0dp"
+            android:scaleType="centerInside"
+            android:src="@{node.expanded ? @drawable/ic_expand_more_black_24dp : @drawable/ic_expand_less_black_24dp}"
+            android:visibility="@{node.children.empty ? View.GONE : View.VISIBLE}"
+            app:layout_constraintBottom_toBottomOf="@id/textView"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="@id/textView"
+            tools:src="@drawable/ic_expand_less_black_24dp" />
+
+        <TextView
+            android:id="@+id/textView"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:padding="8dp"
+            android:text="@{node.value}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@id/expand_icon"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:text="@tools:sample/full_names" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
--- a/app/src/main/res/layout/item_level_2.xml
+++ b/app/src/main/res/layout/item_level_2.xml
@ -1,33 +1,44 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout 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="wrap_content">
+<layout>

-    <ImageView
-        android:id="@+id/expand_icon"
-        android:layout_width="24dp"
-        android:layout_height="0dp"
-        android:layout_marginStart="24dp"
-        android:scaleType="centerInside"
-        android:visibility="gone"
-        app:layout_constraintBottom_toBottomOf="@id/textView"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="@id/textView"
-        tools:src="@drawable/ic_expand_less_black_24dp"
-        tools:visibility="visible" />
+    <data>
+        <variable
+            name="node"
+            type="com.github.adriankuta.expandable_recyclerview.ExpandableTreeNode&lt;String>" />

-    <TextView
-        android:id="@+id/textView"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:padding="8dp"
-        android:text="@{node.value}"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@id/expand_icon"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_goneMarginStart="48dp"
-        tools:text="@tools:sample/full_names" />
-</androidx.constraintlayout.widget.ConstraintLayout>
+        <import type="android.view.View" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout 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="wrap_content">
+
+        <ImageView
+            android:id="@+id/expand_icon"
+            android:layout_width="24dp"
+            android:layout_height="0dp"
+            android:layout_marginStart="24dp"
+            android:scaleType="centerInside"
+            android:src="@{node.expanded ? @drawable/ic_expand_more_black_24dp : @drawable/ic_expand_less_black_24dp}"
+            android:visibility="@{node.children.empty ? View.GONE : View.VISIBLE}"
+            app:layout_constraintBottom_toBottomOf="@id/textView"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="@id/textView"
+            tools:src="@drawable/ic_expand_less_black_24dp" />
+
+        <TextView
+            android:id="@+id/textView"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:padding="8dp"
+            android:text="@{node.value}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@id/expand_icon"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_goneMarginStart="48dp"
+            tools:text="@tools:sample/full_names" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
--- a/app/src/main/res/layout/item_level_3.xml
+++ b/app/src/main/res/layout/item_level_3.xml
@ -1,33 +1,44 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout 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="wrap_content">
+<layout>

-    <ImageView
-        android:id="@+id/expand_icon"
-        android:layout_width="24dp"
-        android:layout_height="0dp"
-        android:layout_marginStart="48dp"
-        android:scaleType="centerInside"
-        android:visibility="gone"
-        app:layout_constraintBottom_toBottomOf="@id/textView"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="@id/textView"
-        tools:src="@drawable/ic_expand_less_black_24dp"
-        tools:visibility="visible"/>
+    <data>
+        <variable
+            name="node"
+            type="com.github.adriankuta.expandable_recyclerview.ExpandableTreeNode&lt;String>" />

-    <TextView
-        android:id="@+id/textView"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:padding="8dp"
-        android:text="@{node.value}"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@id/expand_icon"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_goneMarginStart="96dp"
-        tools:text="@tools:sample/full_names" />
-</androidx.constraintlayout.widget.ConstraintLayout>
+        <import type="android.view.View" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout 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="wrap_content">
+
+        <ImageView
+            android:id="@+id/expand_icon"
+            android:layout_width="24dp"
+            android:layout_height="0dp"
+            android:layout_marginStart="48dp"
+            android:scaleType="centerInside"
+            android:src="@{node.expanded ? @drawable/ic_expand_more_black_24dp : @drawable/ic_expand_less_black_24dp}"
+            android:visibility="@{node.children.empty ? View.GONE : View.VISIBLE}"
+            app:layout_constraintBottom_toBottomOf="@id/textView"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="@id/textView"
+            tools:src="@drawable/ic_expand_less_black_24dp" />
+
+        <TextView
+            android:id="@+id/textView"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:padding="8dp"
+            app:layout_goneMarginStart="96dp"
+            android:text="@{node.value}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@id/expand_icon"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:text="@tools:sample/full_names" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
--- a/build.gradle
+++ b/build.gradle
@ -1,29 +1,26 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.

 buildscript {
-    ext.kotlin_version = '1.8.22'
+    ext.kotlin_version = '1.3.61'
    repositories {
        google()
-        mavenCentral()
+        jcenter()

    }
    dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.1'
+        classpath 'com.android.tools.build:gradle:3.5.3'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "io.codearte.gradle.nexus:gradle-nexus-staging-plugin:0.21.2"
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
 }

-plugins {
-    id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
-    id("org.jetbrains.dokka") version "1.5.0"
-}
-
 allprojects {
    repositories {
        google()
-        mavenCentral()
+        jcenter()
+
    }
 }

@ -31,4 +28,4 @@ task clean(type: Delete) {
    delete rootProject.buildDir
 }

-apply from: "${rootDir}/scripts/publish-root.gradle"
+apply plugin: 'io.codearte.nexus-staging'
--- a/expandable-recyclerview/build.gradle
+++ b/expandable-recyclerview/build.gradle
@ -1,20 +1,21 @@
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'

 afterEvaluate {
    generateReleaseBuildConfig.enabled = false
 }

 android {
-    namespace 'com.github.adriankuta.expandable_recyclerview'
-    compileSdkVersion 33
-    buildToolsVersion "33.0.0"
+    compileSdkVersion 29
+    buildToolsVersion "29.0.2"


    defaultConfig {
        minSdkVersion 23
-        targetSdkVersion 33
-        versionName "2.1.2"
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        consumerProguardFiles 'consumer-rules.pro'
@ -31,14 +32,14 @@ android {

 dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.6.1'
-    implementation 'androidx.core:core-ktx:1.10.1'
-    api "androidx.recyclerview:recyclerview:1.3.0"
-    api "com.github.adriankuta:tree-structure:3.0.2"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.1.0'
+    implementation "androidx.recyclerview:recyclerview:1.1.0"
+    implementation "com.github.adriankuta:tree-structure:1.2.3"

-    testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }

 ext {
@ -47,4 +48,4 @@ ext {
    PUBLISH_VERSION = android.defaultConfig.versionName
 }

-apply from: "${rootProject.projectDir}/scripts/publish-module.gradle"
+apply from: "${rootProject.projectDir}/scripts/publish-mavencentral.gradle"
--- a/expandable-recyclerview/src/androidTest/java/com/github/adriankuta/expandable_recyclerview/ExampleInstrumentedTest.kt
+++ b/expandable-recyclerview/src/androidTest/java/com/github/adriankuta/expandable_recyclerview/ExampleInstrumentedTest.kt
@ -1,11 +1,13 @@
 package com.github.adriankuta.expandable_recyclerview

-import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
-import org.junit.Assert.*
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
 import org.junit.Test
 import org.junit.runner.RunWith

+import org.junit.Assert.*
+
 /**
 * Instrumented test, which will execute on an Android device.
 *
--- a/expandable-recyclerview/src/main/AndroidManifest.xml
+++ b/expandable-recyclerview/src/main/AndroidManifest.xml
@ -1 +1,2 @@
-<manifest />
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.github.adriankuta.expandable_recyclerview" />
--- a/expandable-recyclerview/src/main/java/com/github/adriankuta/expandable_recyclerview/ExpandableTreeNode.kt
+++ b/expandable-recyclerview/src/main/java/com/github/adriankuta/expandable_recyclerview/ExpandableTreeNode.kt
@ -7,7 +7,7 @@ class ExpandableTreeNode<T>(value: T) : TreeNode<T>(value) {

    var expanded: Boolean = true

-    override fun child(value: T, childDeclaration: ChildDeclaration<T>?): ExpandableTreeNode<T> {
+    override fun child(value: T, childDeclaration: ChildDeclaration<T>?) : ExpandableTreeNode<T> {
        val newChild = ExpandableTreeNode(value)
        if (childDeclaration != null)
            newChild.childDeclaration()
--- a/expandable-recyclerview/src/main/res/values/strings.xml
+++ b/expandable-recyclerview/src/main/res/values/strings.xml
@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Expandable RecyclerView</string>
+</resources>
--- a/expandable-recyclerview/src/test/java/com/github/adriankuta/expandable_recyclerview/ExampleUnitTest.kt
+++ b/expandable-recyclerview/src/test/java/com/github/adriankuta/expandable_recyclerview/ExampleUnitTest.kt
@ -1,8 +1,9 @@
 package com.github.adriankuta.expandable_recyclerview

-import org.junit.Assert.assertEquals
 import org.junit.Test

+import org.junit.Assert.*
+
 /**
 * Example local unit test, which will execute on the development machine (host).
 *
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
--- a/scripts/publish-mavencentral.gradle
+++ b/scripts/publish-mavencentral.gradle
@ -0,0 +1,122 @@
+task androidSourcesJar(type: Jar) {
+    archiveClassifier.set("sources")
+    from android.sourceSets.main.java.source
+}
+
+artifacts {
+    archives androidSourcesJar
+}
+
+apply plugin: 'maven-publish'
+apply plugin: 'signing'
+
+group = PUBLISH_GROUP_ID
+version = PUBLISH_VERSION
+
+ext["signing.keyId"] = ''
+ext["signing.password"] = ''
+ext["signing.secretKeyRingFile"] = ''
+ext["ossrhUsername"] = ''
+ext["ossrhPassword"] = ''
+
+File secretPropsFile = project.rootProject.file('local.properties')
+if (secretPropsFile.exists()) {
+    println "Found secret props file, loading props"
+    Properties p = new Properties()
+    p.load(new FileInputStream(secretPropsFile))
+    p.each { name, value ->
+        ext[name] = value
+    }
+} else {
+    println "No props file, loading env vars"
+    ext["signing.keyId"] = System.getenv('SIGNING_KEY_ID')
+    ext["signing.password"] = System.getenv('SIGNING_PASSWORD')
+    ext["signing.secretKeyRingFile"] = System.getenv('SIGNING_SECRET_KEY_RING_FILE')
+    ext["ossrhUsername"] = System.getenv('OSSRH_USERNAME')
+    ext["ossrhPassword"] = System.getenv('OSSRH_PASSWORD')
+}
+
+nexusStaging {
+    packageGroup = PUBLISH_GROUP_ID
+    stagingProfileId = '2097bad464f778'
+    username = ossrhUsername
+    password = ossrhPassword
+}
+
+publishing {
+    publications {
+        release(MavenPublication) {
+            // The coordinates of the library, being set from variables that
+            // we'll set up in a moment
+            groupId PUBLISH_GROUP_ID
+            artifactId PUBLISH_ARTIFACT_ID
+            version PUBLISH_VERSION
+
+            // Two artifacts, the `aar` and the sources
+            artifact("$buildDir/outputs/aar/${project.getName()}-release.aar")
+            artifact androidSourcesJar
+
+            // Self-explanatory metadata for the most part
+            pom {
+                name = PUBLISH_ARTIFACT_ID
+                description = 'Multilevel expandable recyclerView.'
+                // If your project has a dedicated site, use its URL here
+                url = 'https://github.com/AdrianKuta/Expandable-RecyclerView'
+                licenses {
+                    license {
+                        name = 'Apache License 2.0'
+                        url = 'https://github.com/AdrianKuta/Expandable-RecyclerView/blob/master/LICENSE'
+                    }
+                }
+                developers {
+                    developer {
+                        name = 'Adrian Kuta'
+                        email = 'adrian.kuta93@gmail.com'
+                    }
+                }
+                // Version control info, if you're using GitHub, follow the format as seen here
+                scm {
+                    connection = 'scm:git:github.com/AdrianKuta/Expandable-RecyclerView.git'
+                    developerConnection = 'scm:git:ssh://github.com/AdrianKuta/Expandable-RecyclerView.git'
+                    url = 'https://github.com/AdrianKuta/Expandable-RecyclerView/tree/master'
+                }
+                // A slightly hacky fix so that your POM will include any transitive dependencies
+                // that your library builds upon
+                withXml {
+                    def dependenciesNode = asNode().appendNode('dependencies')
+
+                    project.configurations.implementation.allDependencies.each {
+                        def dependencyNode = dependenciesNode.appendNode('dependency')
+                        dependencyNode.appendNode('groupId', it.group)
+                        dependencyNode.appendNode('artifactId', it.name)
+                        dependencyNode.appendNode('version', it.version)
+                    }
+                }
+            }
+        }
+    }
+    repositories {
+        // The repository to publish to, Sonatype/MavenCentral
+        maven {
+            // This is an arbitrary name, you may also use "mavencentral" or
+            // any other name that's descriptive for you
+            name = "sonatype"
+
+            def releasesRepoUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
+            def snapshotsRepoUrl = "https://oss.sonatype.org/content/repositories/snapshots/"
+            // You only need this if you want to publish snapshots, otherwise just set the URL
+            // to the release repo directly
+            url = version.endsWith('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
+
+            // The username and password we've fetched earlier
+            credentials {
+                username ossrhUsername
+                password ossrhPassword
+            }
+        }
+    }
+}
+
+signing {
+    sign publishing.publications
+}
--- a/scripts/publish-module.gradle
+++ b/scripts/publish-module.gradle
@ -1,86 +0,0 @@
-apply plugin: 'maven-publish'
-apply plugin: 'signing'
-apply plugin: 'org.jetbrains.dokka'
-
-task androidSourcesJar(type: Jar) {
-    archiveClassifier.set('sources')
-    if (project.plugins.findPlugin("com.android.library")) {
-        from android.sourceSets.main.java.srcDirs
-        from android.sourceSets.main.kotlin.srcDirs
-    } else {
-        from sourceSets.main.java.srcDirs
-        from sourceSets.main.kotlin.srcDirs
-    }
-}
-
-tasks.withType(dokkaHtmlPartial.getClass()).configureEach {
-    pluginsMapConfiguration.set(
-            ["org.jetbrains.dokka.base.DokkaBase": """{ "separateInheritedMembers": true}"""]
-    )
-}
-
-task javadocJar(type: Jar, dependsOn: dokkaJavadoc) {
-    archiveClassifier.set('javadoc')
-    from dokkaJavadoc.outputDirectory
-}
-
-artifacts {
-    archives androidSourcesJar
-    archives javadocJar
-}
-
-group = PUBLISH_GROUP_ID
-version = PUBLISH_VERSION
-
-afterEvaluate {
-    publishing {
-        publications {
-            release(MavenPublication) {
-                groupId PUBLISH_GROUP_ID
-                artifactId PUBLISH_ARTIFACT_ID
-                version PUBLISH_VERSION
-                if (project.plugins.findPlugin("com.android.library")) {
-                    from components.release
-                } else {
-                    from components.java
-                }
-
-                artifact androidSourcesJar
-                artifact javadocJar
-
-                pom {
-                    name = PUBLISH_ARTIFACT_ID
-                    description = 'Simple implementation to store object in tree structure.'
-                    url = 'https://github.com/AdrianKuta/Tree-Data-Structure'
-                    licenses {
-                        license {
-                            name = 'MIT License'
-                            url = 'https://www.mit.edu/~amini/LICENSE.md'
-                        }
-                    }
-                    developers {
-                        developer {
-                            name = 'Adrian Kuta'
-                            email = 'adrian.kuta93@gmail.com'
-                        }
-                    }
-                    // Version control info, if you're using GitHub, follow the format as seen here
-                    scm {
-                        connection = 'scm:git:github.com/AdrianKuta/Tree-Data-Structure.git'
-                        developerConnection = 'scm:git:ssh://github.com/AdrianKuta/Tree-Data-Structure.git'
-                        url = 'https://github.com/AdrianKuta/Tree-Data-Structure/tree/master'
-                    }
-                }
-            }
-        }
-    }
-}
-
-signing {
-    useInMemoryPgpKeys(
-            rootProject.ext["signing.keyId"],
-            rootProject.ext["signing.key"],
-            rootProject.ext["signing.password"],
-    )
-    sign publishing.publications
-}
--- a/scripts/publish-root.gradle
+++ b/scripts/publish-root.gradle
@ -1,43 +0,0 @@
-// Create variables with empty default values
-ext["ossrhUsername"] = ''
-ext["ossrhPassword"] = ''
-ext["sonatypeStagingProfileId"] = ''
-ext["signing.keyId"] = ''
-ext["signing.password"] = ''
-ext["signing.key"] = ''
-ext["snapshot"] = ''
-
-File secretPropsFile = project.rootProject.file('local.properties')
-if (secretPropsFile.exists()) {
-    // Read local.properties file first if it exists
-    Properties p = new Properties()
-    new FileInputStream(secretPropsFile).withCloseable { is -> p.load(is) }
-    p.each { name, value -> ext[name] = value }
-} else {
-    // Use system environment variables
-    ext["ossrhUsername"] = System.getenv('OSSRH_USERNAME')
-    ext["ossrhPassword"] = System.getenv('OSSRH_PASSWORD')
-    ext["sonatypeStagingProfileId"] = System.getenv('SONATYPE_STAGING_PROFILE_ID')
-    ext["signing.keyId"] = System.getenv('SIGNING_KEY_ID')
-    ext["signing.password"] = System.getenv('SIGNING_PASSWORD')
-    ext["signing.key"] = System.getenv('SIGNING_KEY')
-    ext["snapshot"] = System.getenv('SNAPSHOT')
-}
-
-//if (snapshot) {
-//    ext["rootVersionName"] = Configuration.snapshotVersionName
-//} else {
-//    ext["rootVersionName"] = Configuration.versionName
-//}
-
-// Set up Sonatype repository
-nexusPublishing {
-    repositories {
-        sonatype {
-            stagingProfileId = sonatypeStagingProfileId
-            username = ossrhUsername
-            password = ossrhPassword
-            //version = rootVersionName
-        }
-    }
-}