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https://github.com/PoojaB26/FlutterBasicWidgets

ABC of Flutter widgets. Intended for super beginners at Flutter. Play with 35+ examples in DartPad directly and get familiar with various basic widgets in Flutter
https://github.com/PoojaB26/FlutterBasicWidgets

basic beginner dart examples flutter playground widgets

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ABC of Flutter widgets. Intended for super beginners at Flutter. Play with 35+ examples in DartPad directly and get familiar with various basic widgets in Flutter

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README

        

# Basic Widgets Examples

This is aimed for complete beginners in Flutter, to get them acquainted with the various basic widgets in Flutter.

## Run this project

**EDIT** :
No need of running the project, simply run the code in the new official Flutter online compiler [DartPad](https://dartpad.dartlang.org/flutter). All the DartPad links are given along with the example.

#### Still want to run the project?

* Fork this project.
* You don't need an emulator or simulator to run this anymore, web component has been added!

### This project helped you? Buy me a cupcake to support me! [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://paypal.me/PoojaBhaumik)

# Examples

## Text

### Try out Text widget and it's properties directly from [DartPad](https://dartpad.dev/d548285fd710d4c94cb1ff59835b85bd)

Play with Text properties and styles

 

Text(
"Hello Flutter It is Awesome WOW",
textAlign: TextAlign.right,
textDirection: TextDirection.ltr,
overflow: TextOverflow.ellipsis,
maxLines: 2,
style: TextStyle(
color: Colors.black,
fontSize: 50.0,
fontWeight: FontWeight.w200,
letterSpacing: 2.0,
wordSpacing: 40.0,
decoration: TextDecoration.overline,
decorationStyle: TextDecorationStyle.wavy),
),



## AppBar

### Try AppBar examples directly from [DartPad](https://dartpad.dev/bd6bb228f0be205648a74490f35f776f)

AppBar with Title



AppBar(
backgroundColor: Colors.red,
title: Text("Title",),
elevation: 4.0,
),

AppBar with List of Actions



AppBar(
title: Text("Title"),
actions: [
IconButton(
icon: Icon(Icons.search),
onPressed: () {},
),
IconButton(
icon: Icon(Icons.add),
onPressed: () {},
),
],
),

AppBar with Text and Icon Themes



AppBar(
backgroundColor: Colors.blueAccent,
title: Text("Title"),
actions: [
IconButton(
icon: Icon(Icons.search),
onPressed: () {},
),
],
iconTheme: IconThemeData(
color: Colors.white,
),
textTheme: TextTheme(
title: TextStyle(
color: Colors.white,
fontSize: 20.0
),
),
),

AppBar with centered Title and Subtitle



AppBar(
automaticallyImplyLeading: false,
title: Center(
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
"Title",
style: TextStyle(fontSize: 18.0),
),
Text(
"subtitle",
style: TextStyle(fontSize: 14.0),
),
],
),
),
),

AppBar with Logo



AppBar(
automaticallyImplyLeading: false,
backgroundColor: Colors.yellow,
title: Row(
mainAxisAlignment: MainAxisAlignment.start,
mainAxisSize: MainAxisSize.max,
children: [
FlutterLogo(),
Padding(
padding: const EdgeInsets.only(left: 16.0),
child: Text(
"Title with image",
),
),
],
),
),

Transparent AppBar



AppBar(
backgroundColor: Colors.transparent,
title: Text("Transparent AppBar"),
actions: [
IconButton(
icon: Icon(
Icons.search,
),
onPressed: () {},
)
],
),



## Container

### Try Container examples directly from [DartPad](https://dartpad.dev/a30023e2cb47793f2d7d586a3d791dee)

Container with full-device sized Flutter Logo



Container(
height: MediaQuery.of(context).size.height,
width: MediaQuery.of(context).size.width,
margin: EdgeInsets.all(25.0),
decoration: FlutterLogoDecoration(),
),

Container with shadow, border, and child


Container(
height: MediaQuery.of(context).size.height,
width: MediaQuery.of(context).size.width,
margin: EdgeInsets.all(25.0),
decoration: ShapeDecoration(
color: Colors.white,
shadows: [
BoxShadow(color: Colors.black, blurRadius: 15.0)
],
shape: Border.all(
color: Colors.red,
width: 8.0,
),
),
child: Center(child: const Text('Hello Flutter', textAlign: TextAlign.center)),
),



Rounded rectangle containers with border



Container(
height: MediaQuery.of(context).size.height,
width: MediaQuery.of(context).size.width,
margin: EdgeInsets.all(25.0),
decoration: BoxDecoration(
color: Colors.yellow,
borderRadius: BorderRadius.circular(55.0),
border: Border.all(
width: 5.0,
color: Colors.red,
),
),
child: Center(child: const Text('Hello Flutter', textAlign: TextAlign.center)),
),


Container with alignment property



Container(
margin: EdgeInsets.all(20.0),
width: double.infinity,
height: 300.0,
color: Colors.red,
alignment: Alignment.topRight,
padding: EdgeInsets.all(20.0),
child: FlutterLogo(size: 100.0,),
),


Container with minWidth and maxWidth Box Constraints



Container(
margin: EdgeInsets.all(20.0),
constraints: BoxConstraints(
maxWidth: 400.0,
minWidth: 200.0
),
width: 50.0,
alignment: Alignment.topCenter,
child: Image.network('https://picsum.photos/500/400'),
),


Container with List of Box Shadow



Container(
height: 100.0,
width: 200.0,
decoration: BoxDecoration(
color: Colors.white,
boxShadow: [
BoxShadow(color: Colors.red, blurRadius: 12.0 ),
BoxShadow(color: Colors.green, blurRadius: 40.0)
]
),
)


Container with Image and Rounded Border



Container(
height: 200.0,
width: 200.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(20.0),
color: Colors.white,
image: DecorationImage(fit: BoxFit.cover,
image: NetworkImage('https://picsum.photos/200/300'))
),
)


Circular Container



Container(
height: 200.0,
width: 200.0,
alignment: Alignment.center,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(200.0),
color: Colors.green,
),
child: Text('Hello'),
)


Container with Horizontal Radius of left and right Radius



Container(
height: 200.0,
width: 200.0,
alignment: Alignment.center,
decoration: BoxDecoration(
borderRadius: BorderRadius.horizontal(
left: Radius.circular(20.0),
right: Radius.circular(80.0)
),
color: Colors.green,
),
child: Text('Hello'),
)


Container with Vertical Radius of top and bottom Radius



Container(
height: 200.0,
width: 200.0,
alignment: Alignment.center,
decoration: BoxDecoration(
borderRadius: BorderRadius.vertical(
top: Radius.circular(20.0),
bottom: Radius.circular(80.0)
),
color: Colors.green,
),
child: Text('Hello'),
)



## Column

### Try Column examples directly from [DartPad](https://dartpad.dev/f814f180582790d428eb70df4092403d)

Simple Column of similar Text children



Column(
children: [
Text("Column 1", style: bigStyle,),
Text("Column 2", style: bigStyle,),
Text("Column 3", style: bigStyle,)
],
)



Column of different Widget children



Column(
children: [
FlutterLogo(
size: 100.0,
colors: Colors.red,
),
Text("Column 2", style: bigStyle,),
Container(
color: Colors.green,
height: 100.0,
width: 100.0,
)
],
)


Playing with MainAxisAlignment




Column(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.spaceAround,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
FlutterLogo(
size: 100.0,
colors: Colors.red,
),
Text("Child Two", style: bigStyle,),
Container(
color: Colors.blue,
height: 100.0,
width: 100.0,
)
],
),


Column having Row as child




Column(
mainAxisSize: MainAxisSize.max,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("Parent Text 1"),
Text("Parent Text 2"),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("Child Row Text 1"),
Text("Child Row Text 2")
],
),
],
),


## Row

### Try Row examples directly from [DartPad](https://dartpad.dev/564ca3391b28bc035e675ea86c4355ef)

Simple Row of similar Text children



Row(
mainAxisSize: MainAxisSize.min,
children: [
Text("Column 1", style: bigStyle,),
Text("Column 2", style: bigStyle,),
Text("Column 3", style: bigStyle,)
],
)



Row with children of different Widgets



Row(
mainAxisSize: MainAxisSize.min,
children: [
FlutterLogo(
size: 100.0,
),
Text("Column 2", style: bigStyle,),
Container(
color: Colors.green,
height: 100.0,
width: 100.0,
)
],
)


Playing with MainAxisAlignment




Row(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.spaceBetween,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
FlutterLogo(
size: 100.0,
),
Text("Child Two", style: bigStyle,),
Container(
color: Colors.blue,
height: 100.0,
width: 100.0,
)
],
),


Row having Column as child



Row(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("Parent Text 1"),
Text("Parent Text 2"),
Column(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("Child Row Text 1"),
Text("Child Row Text 2")
],
),
],
),


## Buttons

### Try Buttons examples directly from [DartPad](https://dartpad.dev/b4fb1e9bd187d4a808f85d962f63e9d1)




RaisedButton(
onPressed: (){},
color: Colors.yellow,
disabledTextColor: Colors.grey,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(20.0)
),
elevation: 20.0,
splashColor: Colors.green,
highlightColor: Colors.red,
highlightElevation: 1.0,
child: Text("Raised Button"),
),







MaterialButton(
minWidth: 250.0,
onPressed: (){},
colorBrightness: Brightness.dark,
color: Colors.deepPurpleAccent,
elevation: 20.0,
splashColor: Colors.green,
//highlightColor: Colors.red,
highlightElevation: 1.0,
child: Text("Material Button"),
),






TextButton(
onPressed: () {},
style: ButtonStyle(
backgroundColor:
MaterialStateProperty.all(Colors.deepPurpleAccent),
overlayColor: MaterialStateProperty.all(Colors.red),
foregroundColor: MaterialStateProperty.all(Colors.green),
),
child: Text('Text Button'),
),






OutlineButton(
onPressed: (){},
borderSide: BorderSide(
width: 5.0,
color: Colors.deepPurpleAccent
),
color: Colors.deepPurpleAccent,
highlightedBorderColor: Colors.purple,
splashColor: Colors.green,
//highlightColor: Colors.red,
child: Text("Raised Button"),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(
top: Radius.circular(20.0), bottom: Radius.circular(1.0))
),
),






IconButton(
color: Colors.purple,
splashColor: Colors.yellow,
// highlightColor: Colors.red,
icon: Icon(Icons.build, size: 40.0,),
onPressed: (){})
),






Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
FloatingActionButton(
backgroundColor: Colors.orange,
child: Icon(Icons.mic, size: 30.0, color: Colors.white,),
onPressed: (){}),
FloatingActionButton(
mini: true,
backgroundColor: Colors.green,
child: Icon(Icons.mic, size: 30.0, color: Colors.white,),
onPressed: (){}),
],
)
),


## Stack

### Try Stack examples directly from [DartPad](https://dartpad.dev/8452d46bb69207184364d90102855257)

Stack of overlapping containers of reducing size

 

Stack(
children: [
Container(
height: 300.0,
width: 300.0,
color: Colors.red,
),
Container(
height: 250.0,
width: 250.0,
color: Colors.green,
),
Container(
height: 200.0,
width: 200.0,
color: Colors.yellow,
)
],
),



Playing with Alignment property

 

Stack(
alignment: Alignment.center,
children: [
Container(
height: 300.0,
width: 300.0,
color: Colors.red,
),
Container(
height: 250.0,
width: 250.0,
color: Colors.green,
),
Container(
height: 200.0,
width: 200.0,
color: Colors.yellow,
)
],
),

One child on top of another using Positioned

 

Container(
height: 400.0,
//color: Colors.yellow,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Stack(
alignment: Alignment.center,
children: [
Container(
height: 300.0,
width: 300.0,
color: Colors.red,
),
Positioned(
top: 0.0,
child: Container(
height: 250.0,
width: 250.0,
color: Colors.green,
),
),
],
),
),
),

Playing with Positioned properties

 

Container(
height: 400.0,
//color: Colors.yellow,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Stack(
alignment: Alignment.center,
children: [
Container(
height: 300.0,
width: 300.0,
color: Colors.red,
),
Positioned(
top: 0.0,
bottom: 0.0,
child: Container(
height: 250.0,
width: 250.0,
color: Colors.green,
),
),
],
),
),
),

Playing with Positioned

 

Container(
height: 400.0,
width: 350.0,
//color: Colors.yellow,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Stack(
alignment: Alignment.center,
children: [
Container(
height: 300.0,
width: 200.0,
color: Colors.red,
),
Positioned(
right: 0.0,
child: Container(
height: 250.0,
width: 150.0,
color: Colors.green,
),
),
],
),
),
),

## TextFields

### Try TextFields Examples:

Rounded TextField without Outline



TextField(
decoration: new InputDecoration(
border: new OutlineInputBorder(
borderSide: BorderSide(
width: 0,
style: BorderStyle.none,
),
borderRadius: const BorderRadius.all(
const Radius.circular(10.0),
),
),
filled: true,
hintStyle: new TextStyle(color: Colors.white30),
hintText: "Type in your text"
);




Rounded TextField With Outline



Padding(
padding: const EdgeInsets.all(30.0),
child: TextField(
decoration: new InputDecoration(
border: new OutlineInputBorder(
borderSide: BorderSide(
width: 2,
style: BorderStyle.none,
),
borderRadius: const BorderRadius.all(
const Radius.circular(10.0),
),
),
filled: true,
hintStyle: new TextStyle(color: Colors.white30),
hintText: "Type in your text"),
),
);


## Contributors
Pooja Bhaumik

[![Twitter Follow](https://img.shields.io/twitter/follow/pooja_bhaumik.svg?style=social&label=Follow)](https://twitter.com/pooja_bhaumik)

## Getting Started

For help getting started with Flutter, view our online
[documentation](https://flutter.io/).