matteocrippa

Flutter

A quick cheatsheet of useful snippet for Flutter

Widget

A widget is the basic type of controller in Flutter Material. There are two type of basic Widget we can extend our classes: StatefulWidget or StatelessWidget.

Stateful

StatefulWidget are all the widget that interally have a dynamic value that can change during usage. It can receive an input value in the constructor or reference to functions. You need to create two classes like:

sibelius

Basics

• Learn how to start a new react native project
• Run it on ios simulator, on android emulator, on a real iPhone device and on a real Android device, with and without debugging enabled.
• Learn how to upgrade a react native project
• Learn how to add a package to the project
• Learn how to add a package that has a native dependency (https://github.com/airbnb/react-native-maps, https://github.com/evollu/react-native-fcm) - DO NOT USE COCOAPODS
• Learn how to use fetch to get data from your backend

Learn Navigation

• (https://github.com/exponent/ex-navigation#an-important-note-about-the-future)

wojteklu

Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

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General rules

1. Follow standard conventions.
2. Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
3. Boy scout rule. Leave the campground cleaner than you found it.
4. Always find root cause. Always look for the root cause of a problem.

Design rules