Flutter-Bird

As a Flutter developer, you might have encountered the term BuildContext early in your journey. Despite its importance, many developers struggle to grasp its full significance. Today, we’re going to dive into what BuildContext is, what it does, and why it’s crucial for running your Flutter app. What is BuildContext In both stateless and stateful widgets, when you override the build method, it takes BuildContext context as a parameter. This context is provided by the Flutter framework. Here’s a simple example to illustrate: Widget build(BuildContext context) { return OutlinedButton( onPressed: () async { await Future< void >.delayed( const Duration(seconds: 1 )); if (context.mounted) { Navigator.of(context).pop(); } }, child: const Text( 'Delayed pop' ), ); } BuildContext do a simple task, track all of your widget location. In flutter, it all about widgets. Everything is build on a collection of widgets. Some widgets are parent w

In the world of Flutter, Impeller is a buzzword that has caught the attention of developers and enthusiasts alike. But what exactly is Impeller, and why is it crucial for Flutter apps? Let’s dive into the details. What is Impeller? Impeller is a new rendering engine for flutter. Now, many of you can think. What is a rendering engine. Rendering engine is nothing but a piece of software responsible for converting input instructions or data into visual or audible output. Basically , it helps us to draw UI of an app according to the instruction you give it. Flutter engine is written is C/C++language. Which is the part of dart UI. Rendering engine in Flutter orchestrates the transformation from widget tree to pixels on the screen. Before Impeller flutter used skia as a default graphics engine. But, there was some issues on it. Challenges with Skia: Skia has been the graphic engine for Flutter since its inception. Skia is also a powerful render engine, which powers various platforms, inc

ListView.builder is a versatile Flutter widget that allows you to create scrollable lists efficiently, especially when dealing with large or dynamic lists. Unlike a traditional ListView, where you provide a fixed list of children, ListView.builder generates list items on-demand as the user scrolls, which can help save memory and improve performance. When we have to to deal with large amount of dynamically changing data or we have fetch data from the database, we have to use a ListView.builder widget.  The main difference between ListView and ListView.builder is one work with fixed data and other work with generated list items on-demand as the user scrolls, which can help save memory and improve performance. ListView.builder widget has some additional parameters, which are: itemCount,  is set to the length of the data source (myList), indicating the total number of items to be displayed. itemBuilder, defines how each list item is constructed. It receives an index, which is used to acc

Listview and Listtile are basic widgets, which are used to make a scrollable lists of item in a mobile app. They are essential component for building app where we need various type of lists, such as menus, chat message lists and etc. ListView: Listview is a widget used to create a scrollable list of children. It can hold a list of widgets and automatically handles scrolling when the content exceeds the available space. ListTile: Listtile widget is designed to represent a single item within a list. It typically contains title, subtitle, leading or trailing icon and can be made tappable. Key Properties of listTile: Title : The primary content of the list item. Subtitle : Optional secondary content. leading : A widget display before the title. trailing : A widget display after the title. Ontap : A callback function that is triggered when the listtile tapped. Both Listview and Listtile are highly customizable, and you can style them according to the app design requirements. They are versat