Developer's notes

You want to assign multiple elements to an array in one step, but you don’t want the first index to be 0.

To define an array using not integer keys but string keys, you can also use array(), but specify the key/value pairs with =>:

To assign multiple values to an array in one step, use array():

Flutter WebView widget displays a browser like space to show the webpage specified by URL. you can display a webpage just like another widget in your mobile application.

Flutter ToggleButtons we will learn how to use ToggleButtons widget. Following is a simple and quick code snippet on how to use ToggleButtons widget. Following code should go to your State class.

To display a horizontal row of tabs, we can use TabBar widget. To display a widget that corresponds to the currently selected tab, we can use TabBarView page view.

Flutter Table widget can be used to display items in a table layout. Flutter Table widget has properties like border, columnWidths, textDirection, etc., that help us to enhance or modify the look of the table layout.

Flutter Table widget can be used to display items in a table layout. Flutter Table widget has properties like border, columnWidths, textDirection, etc., that help us to enhance or modify the look of the table layout.

Flutter Switch is used to toggle a setting between on/off which is true/false respectively. When the switch is on, the value returned by the Switch onChanged property is true, while the switch is off, onChanged property returns false.

Flutter Radio Widget Flutter Radio widget is used to display a material design radio button.

Flutter GridView Flutter GridView displays its children widgets as a grid (2D array).

Flutter BoxShadow Flutter BoxShadow class is used to display a shadow cast by the widget. SyntaxThe syntax of BoxShadow() constructor with the parameters and their default values is

create a Flutter Application with a Banner widget. Banner widget’s child is a Container widget with Text. We shall display the banner on the top left of the the child Container.

Code Snippet Following is a quick sample code snippet you can use for wrapping Image widget in a ClipRRect for rounded corners.

Flutter Image – Rounded Corners To display an image with rounded corners or circular shaped corners, place the Image widget as child of ClipRRect widget with circular border radius specified for the ClipRRect widget.

To do Rounded Corners Image in Flutter

For Android App Name Change the label name in your AndroidManifest.xml file:

Adding a border to a widget is very easy in Flutter. We just need to wrap the widget in a Container and add BoxDecoration to it.

Add a border to a widget You can add the Text as a child to a Container that has a BoxDecoration with border property:

Flutter OutlinedButton Using StadiumBorder, Using RoundedRectangleBorder, Using CircleBorder, Using BeveledRectangleBorder

Flutter Button The left sides buttons are now deprecated, use the right sided ones.

FlatButton and RaisedButton are deprecated. So, you can use shape which placed in the style property, for TextButton and ElevatedButton.

Unfortunately, the Color class constructor in Flutter does not accept a simple hexadecimal string (like #bfeb91 in CSS).

How to use a hexadecimal color code #B74093 in Flutter

Flutter Hexadecimal opacity values

In Flutter, the Color class only accepts integers as parameters, or there is the possibility to use the named constructors fromARGB and fromRGBO. So we only need to convert the string #b74093 to an integer value.

In Dart, all variables are declared public (available to all) by default, but by starting the variable name with an underscore (_), you can declare it as private.

Single-line comments begin with //, and the Dart compiler ignores everything to the end of the line. Multiline comments begin with /* and end with */. The Dart compiler ignores everything between the slashes.

MainAxisSize Property The size that should be allocated to the widget on the main axis.