Supabase is a backend solution, that considers itself as the open-source Firebase alternative. It already gained some popularity among developers, mainly because of the wide range of supported languages and because it can be very useful for personal and commercial Apps. In this article, you will learn how to use…

Testing is an area in programming, that is very important, but no one really likes it. We still have to learn it, and that’s why I will show you, how to test in Flutter. We will take a look at Unit Testing, Widget Testing, and Integration Testing. In the second…

Sembast is a NoSQL persistent store database solution for single process io applications. It’s fully document-based in a single file and is loaded in memory when opened. This can be especially useful when you want to analyze databases that the user selects. In addition, it varies a bit from other…

In the last article, we dealt with how to do advanced querying. Today we will look at Transactions. Transactions combine multiple database operations in a single unit of work. This is a quite an important topic, so let’s jump right into it. Happy reading! If you are new to this…

go_router is a very popular routing solution, that makes Flutters Navigator 2.0 easy again. In this article, you will learn how to use it and will see, how easy it is to use. Let’s get started! Happy reading! Note: You can find the whole source code provided in this tutorial…

In the last article, we dealt with how to filter the data we query. Today we will look at advanced querying. This includes 8 topics that we will discover today. Bigger topics are sorting, unique values, and offsets & limits. If you are new to this series, check out this…

We all know the problem: We want to debug print our app, but the messages in the chat are just a mess. They are not formatted, it’s hard to get an overview…. it just isn’t fun. That’s why I will introduce you to the logger package, which solves exactly this…

In the last article, we dealt with how to create, read, update and delete records. Today we will look at how we filter the data that we are querying. If you are new to this series, check out this list. Happy reading! Basics There are two different ways how to filter…

Flutter Version Management (FVM) is a CLI Tool, which allows you to manage versions of the Flutter SDK in different projects. It’s a very great tool that every Flutter Developer should be familiar with. That’s why I will teach you how to use FVM! Why do I need FVM? Okay, so let’s talk about why…

Dio is a HTTP client for Flutter with many features. Many people like it because of its simplicity and feature-richness. Today, we will learn how to use it to enhance your app development in Flutter. Let’s get started! Installation Let’s start on how to install Dio. Because dio is based on…

· Introduction · Installation · Basics — What is a provider? · Basics — Create a provider · Basics — Reading a provider ∘ Obtain from a provider ∘ Obtain from a widget ∘ Different ways of reading a provider · Different types of providers ∘ Provider ∘ StateNotifierProvider ∘ FutureProvider ∘ StreamProvider ∘ StateProvider ·…

Introduction Hive is a great package for your local storage. But sometimes it’s quite complex to get into that package. That’s why, in this article, I will show you how to use Hive very easily. Let’s get started! Note: You can view the whole source code used in this article here. Why should I learn Hive? …

Formz is a great package for managing forms better. But sometimes it’s quite complex to get into that package. That’s why, in this article, I will show you how to use Formz while building a password validation field. Let’s get started! Note: You can view the whole source code used…

In the last articles we have dealt with the basics of Isar and with the schemas. Today we will look at how we can access our Isar entries and create, edit or delete new entries. Happy reading! Opening Isar If you want to access a database in Isar, the first thing you…

In the last article on the Isar Database Package, we looked at the basics. Today we want to move away from the basics and understand more the concepts behind Isar. To do this, let’s look at the schema of the database. Annotating classes As we learned in the last article, you annotate…

Isar database is a database system developed by Simon Leier for development with Flutter. However, you can also use it for Dart only, as this system is 100% written in Dart. In this article, I want to explain how you can use Isar Database to develop great apps. …

Introduction Freezed is a code-generation package that helps you to create data classes in Dart. It prevents you from writing hundreds of error-prone lines. Sometimes you just want a class that accepts its values in a constructor, a toString method and maybe value equality. That alone is a lot. But now…

Welcome to a kind of new series on my channel. It’s all about where I explain great and quite complex packages as short and easy as possible. I’ve already done this with Freezed and Isar Database, but now it’s time to convert this into a real series. …