build,refactor,fix: migrated to newer dart,flutter version; fixed cod… #33

	name: Flutter CI

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master


	env:
	flutter_version: "1.20.4"
	java_version: "12.x"

	jobs:
	format-and-lint:
	name: formatting and code linting
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- uses: actions/setup-java@v1
	with:
	java-version: ${{ env.java_version }}
	- name: Cache Flutter dependencies
	uses: actions/cache@v1
	with:
	path: /opt/hostedtoolcache/flutter
	key: ${{ runner.OS }}-flutter-install-cache-${{ env.flutter_version }}
	- uses: subosito/flutter-action@v1
	with:
	flutter-version: ${{ env.flutter_version }}
	- name: Install dependencies
	run: flutter pub get
	- name: Format code
	run: flutter format lib/
	- name: Lint analysis
	run: flutter analyze --no-pub

Provide feedback