All I Know About WidgetsApp
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Jun 27, 202513 min read
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All I Know about the Security Risk of Flutter Packages
Have you ever counted how many packages your project depends on? If not, run the command below in your terminal and check the number it outputs. flutter pub deps --json | jq '.packages | length' The
Jun 2, 202614 min read
All I Know About AnimationController
The basic idea of Flutter's "explicit animation" is so simple: rebuild with updated value. Imagine if a Container has its size of width: 50, height: 50, it renders a square box with the size of 50. Once we rebuild the widget with passing another valu...
Mar 23, 202512 min read
Make Your build() Clean with StateHolder
If we take a closer look at build() method, we sometimes find it "messy", messy with calculation logics to create values even though we may want to focus on the structure of the widget tree and sometimes on the dependency graph. Even though we may wa...
Jan 31, 20256 min read
All I Know about State Management
Flutter constructs UI declaratively. Each widget can't be changed individually after rendered, so we have to rebuild the entire widget tree if we want to change even a single Text, though we don’t worry about the performance as the Flutter framework ...
Jan 17, 202512 min read
All I Know about Layout Calculation
First of all, I must note that reading the official document of "Understanding constraints" is a best choice to understand this topic in most cases. https://docs.flutter.dev/ui/layout/constraints This document introduces the important concept of layo...
Jan 3, 202510 min read
All I Know about GlobalKey
Many of you know every single Widgets has a constructor parameter called key. Key is one of the fundamental mechanisms in Flutter to manage Widgets, but do you know everything about Key, especially GlobalKey? Key tends to be described as an object th...
Dec 31, 202410 min read
All I Know about BuildContext
I’m 100% sure that every single Flutter dev knows BuildContext. We can’t build apps without this object given as an argument of build() methods. Navigator.of(), showDialog(), or a lot of other APIs require BuildContext as an argument. But how do you ...
Dec 27, 202410 min read
Discussion: MVVM pattern for Flutter apps
Learning architecture patterns for software development is crucial for a "better" development experience. However, applying a certain architecture pattern as-is doesn't guarantee achieving the experience improvement, or sometimes it introduces more d...
Nov 11, 202414 min read