flutter-intro

What is Flutter

One set of code (lib), multi platforms.

android, windows, linux, ios, etc.

• It’s for client apps
• Platform regardless
• Easy to hand on, easy to develop

dart=js/cpp+java: code taste + dart vm

Basic code format

tldr

• Empty safety: type? means var is nullable

This will trigger empty check, avoid npe

• late init

Just like Kotlin

• Async

Basic layouts

• Widget
• Text
• Warp
• Row-Column
• Container

Basic scaffolds

• AppBar
• Action
• TItle
• TabBar
• Body
• BottomBar

Network

Mainly using Dio