Finished implementation and demo

.github/.gitignore

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+/outputs

.github/actions/gradle-cache/action.yml

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+name: 'Gradle Cache'
+description: 'Cache Gradle Build Cache to improve workflow execution time'
+inputs:
+  key-prefix:
+    description: 'A prefix on the key used to store/restore cache'
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/cache@v2
+      with:
+        path: |
+          ~/.gradle/caches
+          ~/.gradle/wrapper
+        key: ${{ runner.os }}-${{ inputs.key-prefix }}-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties', '**/Libs.kt') }}
+        restore-keys: |
+          ${{ runner.os }}-${{ inputs.key-prefix }}-

.github/pull_request_template.yml

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+### Changes
+
+_Describe what was added, modified or removed and for what purpose
+
+### Testing
+
+_Explain how can this change be tested it it's not clear based on unit tests_
+
+### Checklist
+
+#### General
+- [ ] PR targets the `develop` branch
+- [ ] PR is linked to the GitHub issue it resolves
+
+#### Source code and docs
+- [ ] Changelog is updated (fixes section for a bug, changes for anything that has been added / modified/ removed)
+- [ ] New code is covered by unit tests
+- [ ] Added ktdoc and updated README.md if API has changed
+- [ ] Made sure that unit tests pass
+- [ ] Made sure that `ktlintCheck` and `detekt` tasks produce no issues
+- [ ] Updated demo app if needed
+
+### Reviewer Checklist
+- [ ] Library builds
+- [ ] Demo app works
+- [ ] Changes work as expected
+- [ ] Changelog and documentation updates reflect the modification made in this PR

.github/workflows/publish-release.yml

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+name: Publish Release
+
+on:
+  release:
+    types: [released]
+
+jobs:
+  publish:
+    name: Publish release build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Configure JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.11
+
+      - name: Decrypt secrets
+        run: scripts/decrypt-secrets.sh "${{ secrets.SECRETS_PASSPHRASE }}"
+
+      - name: Build project
+        run: ./gradlew assembleRelease
+
+      - name: Create source jar
+        run: ./gradlew androidSourcesJar
+
+      - name: Publish to MavenCentral
+        run: ./gradlew publishReleasePublicationToSonatypeRepository --max-workers 1 closeAndReleaseSonatypeStagingRepository
+        env:
+          MAVEN_SNAPSHOT: false
+
+      - name: Clean up secrets
+        if: always()
+        run: scripts/cleanup-secrets.sh

.github/workflows/publish-snapshot.yml

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+name: "Publish snapshot"
+
+on:
+  push:
+    branches:
+      - develop
+
+jobs:
+  snapshot-build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Configure JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.11
+
+      - name: Decrypt secrets
+        run: scripts/decrypt-secrets.sh "${{ secrets.SECRETS_PASSPHRASE }}"
+
+      - name: Build project
+        run: ./gradlew clean assembleRelease
+
+      - name: Create source jar
+        run: ./gradlew androidSourcesJar
+
+      - name: Publish to MavenCentral
+        run: ./gradlew publishReleasePublicationToSonatypeRepository
+        env:
+          MAVEN_SNAPSHOT: true
+
+      - name: Clean up secrets
+        if: always()
+        run: scripts/cleanup-secrets.sh

.github/workflows/pull-request.yml

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+name: "Pull request build"
+
+on:
+  pull_request:
+
+jobs:
+  tests:
+    name: "Tests and code analysis"
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Configure JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.11
+
+      - name: Run tests
+        run: ./gradlew testDebugUnitTest
+
+      - name: Run static analysis
+        run: ./gradlew ktlintCheck detekt
+
+  danger:
+    name: "Danger checks"
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set Up Ruby
+        uses: actions/setup-ruby@v1
+        with:
+          ruby-version: 2.6
+
+      - name: Danger Checks
+        run: |
+          ./gradlew dependencyUpdates -DoutputDir=build/danger
+          gem install bundler
+          bundle install
+          bundle exec danger
+        env:
+          DANGER_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  gradlewrapper:
+    name: "Gradle Wrapper Check"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gradle/wrapper-validation-action@v1

.gitignore

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+# Build cache and artifacts
+.gradle
+/build
+
+# Local gradle settings
+local.properties
+publishing.properties
+*.rev
+signing.gpg
+
+# IntelliJ
+.idea/workspace.xml
+.idea/misc.xml
+.idea/libraries
+.idea/caches
+.idea/navEditor.xml
+.idea/tasks.xml
+.idea/modules.xml
+.idea/compiler.xml
+.idea/jarRepositories.xml
+.idea/deploymentTargetDropDown.xml
+gradle.xml
+*.iml
+
+# MacOS
+.DS_Store
+
+# Layout inspector captures
+captures
+
+# JNI
+.externalNativeBuild
+.cxx

CHANGELOG.md

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+# Unreleased changes
+
+### Fixes
+
+### Changes
+
+# 1.0.0
+
+### Changes
+
+- Initial release