Prerequisites

Flutter SDK

Android Studio SDK

Android Studio / VS Code Flutter and Dart plugin

Emulated Device / USB Debugging

Beginning Flutter

Flutter Doctor

flutter doctor
should give no issues

Create Project

flutter create project_name
generates required files and a sample counter project

Run The App

from the project directory
flutter run

Widgets

Stateless Widget

These widgets are static

Stateful Widget

Widgets are dynamic and data can be updated using setState((){})

State Management

setState

Scoped Models

Bloc

Provider

Vanilla

Please find resources below