Add optional scroll listener #100

	name: Test

	# Run on every pull-requests
	on: [push, pull_request]


	jobs:
	test:
	# This job will run on ubuntu virtual machine
	runs-on: ubuntu-latest
	steps:

	# Setup Java environment in order to build the Android app.
	- uses: actions/checkout@v2
	- uses: actions/setup-java@v1
	with:
	java-version: '12.x'

	# Setup the flutter environment.
	- uses: subosito/flutter-action@v1
	with:
	channel: 'stable'

	# Get flutter dependencies.
	- run: flutter pub get

	# Check for any formatting issues in the code.
	- run: dart format -l 80 --set-exit-if-changed .

	# Statically analyze the Dart code for any errors.
	- run: flutter analyze .

	# Run unit and widget tests for our flutter project.
	- run: flutter test

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