Flutter is a popular mobile app development framework that has gained widespread adoption among developers. It provides a wide range of pre-built widgets that can be used to build beautiful and responsive user interfaces. In this article we will take our closer look at some of the top flutter widgets that every app developer should know. Flutter app development companies develop different applications. These apps are high performance applications. These companies hire flutter developers who have advanced knowledge and experience in developing mobile applications and using flutter framework. They have advanced knowledge of flutter and strong programming skills.
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Container widget
The container widget is a versatile widget that can be used to create a variety of layouts.It allows you to set various properties such as padding, margin and background colour. With the container widget, you can easily create a box-like layout and customise it according to your needs.
Text widget
One of the most widely used versatile widgets is the text widget. It allows you to display text on the screen in various styles and sizes. You can customise the font family, font size, colour and alignment of the text. Text widget also supports text styling such as bold, italic and underline
Image widget
The image widget is used to display images in flutter applications. It supports PNG, JPEG, and GIF image formats among others. The image widget can be used to load images from the network or from local assets.
Card widget
The card widget is a material design widget that is commonly used to display information in a neat and organised manner. It provides a container that can be used to group related information together. The card widget supports various properties such as elevation, padding and margin.
Textfield widget
The textfield widget is used to accept user input in Flutter applications. It allows you to create a text input field that can be used to enter text, numbers or passwords. The textfield widget supports various properties such as keyboard type and input format.
AlertDialog widget
This widget is used to display a dialog box in flutter applications. It is commonly used to display a confirmation message or to ask the user for input. The alertDialog widget supports various properties such as title, message, and background colour.
ListView Widget
The listview widget is used to display a list of items in a scrollable manner. It is commonly used in flutter applications to display a list of contacts and messages. The listview widget supports both horizontal and vertical scrolling and allows you to customise the layout of each item.
Floating action button widget
Floating action widget is used in flutter applications. It is a button that floats above the content and used to trigger a primary action in the application. This widget supports various properties such as background colour and icon.
Bottom navigation bar widget
Bottom navigation bar widget is a commonly used widget in flutter application that allows you to create a navigation bar at the bottom of the screen. It is commonly used to provide easy access to different sections of the application.
Cupertino datepicker widget
It is used in a flutter application that provides a data picker in the style of iOS. It allows you to select data or time from a calendar or a time picker. It supports various properties such as mode, initial date and background colour.
FAQ’s
What are flutter widgets?
These are building blocks of a flutter app’s user interface. They are reusable UI elements that can be combined to create complex and dynamic user interfaces.
What is a stateless widget in flutter?
Stateless widget is a widget that cannot change its state after it has been created. It is used for simpleUI elements that do not need to be updated dynamically.
What is the difference between stateful and stateless pictures?
Stateful widgets have the ability to modify their state over the lifetime of their existence as a widget. Stateless widgets on the other hand are with widgets that cannot change the state once they have been created.
What is the purpose of the key property in flutter widgets?
The key property is used to identify a widget. It is used by flutter to identify which widget needs to be updated when changes occur.
What is an inherited widget in flutter?
It is a special type of widget that allows data to be passed down the widget tree without having to pass it explicitly as parameters to every widget.
Conclusion
Flutter widgets are the main part of building flutter apps. Understanding the difference between stateful and stateless, the purpose of the build context, key property, media query, tester detector and list view widgets can help app developers build responsive and interactive user interfaces. Additionally the use of inherited widget can simplify the passing of data throughout the widget tree.