1 APP Entry PointThe main function serves as the entry point for the app, implemented as follows:voidmain()=>Global.init().then((e)=>runApp(MyApp()));UI (MyApp) will only be loaded after initial···
In this section, we will encapsulate the network request interfaces used in our app based on the previously introduced Dio network library, while also applying a simple network request caching strateg···
Global Variables and Shared State in Flutter ApplicationsApplications typically contain variables that are relevant throughout their lifecycle, such as current user information and local settings. In ···
15.3 Data Preparation for the AppIn this section, we will outline the data needed for the app and then generate the corresponding Dart model classes. The approach to converting JSON files to Dart mode···
First, let's create a brand-new Flutter project named "github_client_app." The steps to create a new project may vary depending on the editor used by the reader, but they are relatively ···
1 Implementing Drawing Cache Using LayersIn this section, we will demonstrate how to use Layers in custom components by optimizing the previous "Drawing Chessboard Example."We initially used···
The drawing-related implementations are found in the rendering object RenderObject. The main properties related to drawing within RenderObject include:layerisRepaintBoundary (type: bool)needsCompositi···
1 Flutter Rendering PrinciplesIn Flutter, there are three objects related to rendering: Canvas, Layer, and Scene:Canvas: Encapsulates various drawing instructions of Flutter Skia, such as drawing line···
Layout ProcessThe layout process primarily determines the layout information (size and position) for each component. The Flutter layout process is as follows:The parent node passes constraint informat···
1 Application StartupIn this section, we will first introduce the startup process of Flutter, and then discuss the Flutter rendering pipeline.The entry point of Flutter is in the main() function locat···
1 Elementwe introduced the relationship between Widgets and Elements. We know that the final UI tree is composed of individual Element nodes. We also mentioned that the layout and rendering of compone···
1 What is a UI Framework?we discussed that Flutter is divided into three layers: the framework layer, the engine layer, and the embedding layer. We noted that developers primarily interact with the fr···
This section primarily addresses common issues encountered in internationalization.1 Incorrect Default LocaleIn some Android and iOS devices purchased from non-mainland channels, the default locale ma···
1 Adding DependenciesBy using the Intl package, we can not only easily implement internationalization but also separate string texts into individual files, facilitating collaboration between developer···
In the previous section, we discussed how the Material component library supports internationalization. In this section, we will explore how to support multiple languages in our own UI. As mentioned e···