The Icon widget in Flutter is one of the most used widgets. It is used to represent the real-world object in a graphical manner. But sometimes you may want to change its default color. So in this tutorial, we’ll see how to change icon color in Flutter.
Here’s how it looks after changing color:
Here’s what we’ll cover:
Steps to change icon color in Flutter
You can change icon color in Flutter, by directly changing its color parameter.
Here is the step by step instructions:
Step 1: Locate the file where you have placed the
Step 2: Inside the
color parameter and set the color of your choice.
Step 3: Run your app.
Icon( Icons.flight, size: 104, color: Colors.deepPurpleAccent, //<-- SEE HERE ),
Changing icon color globally
In the previous section, we saw how to change the icon color at the page level. but sometimes you might be looking to have a common style across all the pages of your app. In that case, you might want to change the icon color at the app level.
You can change the icon color globally by defining the
iconTheme and then adding the
IconThemeData with color parameter.
Here’s how you do it:
Step 1: Locate the
Step 2: Inside the MaterialApp, add the
theme parameter with
ThemeData class assigned.
Step 3: Inside the
ThemeData add the
iconTheme parameter and then assign the
Step 4:Inside the
IconThemeData add the
color parameter and set its color.
MaterialApp( title: 'Flutter Demo', theme: ThemeData( primarySwatch: Colors.blue, iconTheme: IconThemeData(color: Colors.purpleAccent), //<-- SEE HERE ), home: ChangeTextFieldBorderColorDemo(), );
Different ways of adding color
There are main three ways you can add color to the icon widget.
Colors.red: This is used to define from the predefined colors.
Color(0xffF02E65): This is used to have a custom color.
Color.fromARGB(255, 66, 125, 145): This is used to have color from the alpha, red, green, and blue color combination.
Icon( Icons.flight, size: 104, color: Colors.deepPurpleAccent, //<-- SEE HERE ), Icon( Icons.train, size: 104, color: Color(0xffF02E65), //<-- SEE HERE ), Icon( Icons.train, size: 104, color: Color.fromARGB(255, 66, 125, 145), //<-- SEE HERE ),
In this tutorial, we learned how to change icon color in Flutter with practical examples, we first saw how to change the color at the page level and then explored the way to change color at the app level. Finally, we also learned what are the different ways to add colors.
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