How to Build Flutter Loader Widget with Example Code

Looking for how to build a Flutter Loader widget in your application then this post will help you with a step-by-step guide.

Flutter Loader Widget
Flutter Loader Widget

A Flutter loader widget is basically a circular object which spins over the screen and tells that something is actually getting loaded and it spins till the code is executed. So, are you ready to use the loader which plays an important role in any application and that makes it a user-friendly one? Here I am going to use an open-source UI Library known as GetWidget to build this loader widget. Here is a short introduction about the GF Loader widget and why I am using this.

Flutter Loader with GFLoader

GetWidget Loader is a simple yet very useful component used widely in any application. It spins in a circular manner in the center of the screen and indicates that something is getting loader and appears soon on the screen within a fraction of seconds. In day-to-day lives, people are so used to mobile applications and are on the edge to see the data or the objects on their screen whenever they open any apps. In this case, the loader helps and spins over the screen which indicates the data is being loaded.

GetWidget Fluter loader Widget is not only a circular loader, it's more than a basic and a circular loader. It is widely divided into basic, ios, circular, square, loaders. So, let's get into them one by one and make use of them efficiently.

How to Get Started

Now, here is the guide about how we should you can start developing Flutter Toast Widget with the help of GetWidget UI Library.

First, Let go with Getting started, It will guide you on how to start building a beautiful Flutter template UI with GetWidget UI library. Now, we have to install the GetWidget package from pub.dev, To import the package in your Flutter project follow the below guide.

Install Package from pub.dev :

https://pub.dev/packages/getwidget

Import full package:

import 'package:getwidget/getwidget.dart';

Note: dependencies: getwidget: ^2.0.4

Keep playing with the pre-built UI components.

As Discussed earlier, GFLoader has many types and it can be customized according to the needs too. In the below sections we will see the different types of loaders and how they can be used in the code.

Flutter Basic Loader Widget

Basic loader is a simple and android type of loader that can be used in any application and gives a simple and elegant look to the applications. The below codes shows a basic loader.

import 'package:getwidget/getwidget.dart';
 GFLoader(),
Flutter Basic Loader example Code Snippet

Flutter IOS Loader Widget

Ios loader is used in any kind of application, be it an android or a ios apps as shown in the below image. The code for this type of loader is shown below.

Flutter IOS Loader Indicator
Flutter IOS Loader Indicator
import 'package:getwidget/getwidget.dart';
 GFLoader(
   type:GFLoaderType.ios
 ),
Flutter IOS Loader Indicator Example Code

Flutter Circular Loader Widget

A circular loader is a circle type of loader and is different from a basic loader. A circular loader is a fully rounded type of loader and can be customized with any color of choice. The below code gives the circular type of loader.

Flutter Circular Loader Indicator
Flutter Circular Loader Indicator
import 'package:getwidget/getwidget.dart';

 GFLoader(
   type:GFLoaderType.circle
 ),
Flutter Circular Loader Indicator Example Code

Flutter Square Loader Widget

A Square Loader, as the name itself defines, is a loader of square type and can be customized with any color. The below code gives the circular type of loader.

Flutter Square Loader Widget with animation
Flutter Square Loader Widget with animation
import 'package:getwidget/getwidget.dart';

 GFLoader(
   type:GFLoaderType.square
 ),
Flutter Square Loader Widget with animation Example Code

Custom Flutter Loader Widget

A Custom loader is such a loader in which the user can use any kind of icons, images, text as the loader and show them spinning on the screen until the data loads.

import 'package:getwidget/getwidget.dart';

 GFLoader(
   type: GFLoaderType.custom,
   child: Image(image: AssetImage(your gif here...),
),
Flutter Custom Loader Example Code

Flutter Custom Loader with icons

import 'package:getwidget/getwidget.dart';
GFLoader(
  type: GFLoaderType.custom,
  loaderIconOne   : Icon(Icons.insert_emoticon),
  loaderIconTwo   : Icon(Icons.insert_emoticon),
  loaderIconThree : Icon(Icons.insert_emoticon),
),
Flutter Custom loader with Icon example code

Flutter Custom Loader with Text Example

import 'package:getwidget/getwidget.dart';
GFLoader(
  type: GFLoaderType.custom,
  loaderIconOne   : Text('Please'),
  loaderIconTwo   : Text('Wait'),
  loaderIconThree : Text('a moment'),
),
Flutter custom loader with Text 

GF Flutter Loader Custom Properties

The look and feel of GFLoader can be customized using the below properties.

NameDescription
childchild of type [Widget] used only for custom type and is prominent over loaderIconOne, loaderIconTwo and loaderIconThree in custom type
durationdefines the animation duration of the loader only in circle and square type
loaderColorOnedefines the color of the first dot in only circle or square type of loader
loaderColorTwodefines the color of the second dot in only circle or square type of loader
loaderColorThreedefines the color of the third dot in only circle or square type of loader
androidLoaderColordefines the color of the android type loader only
loaderstrokeWidthdefines the stroke width of the android type loader only
sizedefines the size of the loader ie, small, medium and large and it is applicable to android ios, circle and square type loaders

Flutter Get Widget Docs

Flutter GetWidget Docs
Get Widget is one of the largest Flutter open-source UI Kit libraries for mobile or web apps. It has more than 1000+ pre-built reusable widgets.

Flutter Forum:

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GetWidget- A Flutter Developer Forum
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GitHub - ionicfirebaseapp/getwidget: Most popular and easy to use open source UI library with 1000+ Widgets to build flutter app.
Most popular and easy to use open source UI library with 1000+ Widgets to build flutter app. - GitHub - ionicfirebaseapp/getwidget: Most popular and easy to use open source UI library with 1000+ W...

Conclusion:

Here we discuss, what Flutter Loader Widget is? And how we can use and implement it into our Flutter app through the GetWidget Loader component. Here, there are options to customize the GFLoader Button.

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