Implementing Dark Mode in Flutter Apps: A Step-by-Step Guide

Quality Thought – Best Flutter Training Course Institute in Hyderabad

Quality Thought is proudly recognized as the best Flutter training course institute in Hyderabad, offering an industry-driven, practical, and job-oriented training experience. The Flutter training program is ideal for graduates, postgraduates, individuals with an education gap, and those seeking a career or domain change. Whether you're just beginning your journey in app development or shifting from another tech stack, Quality Thought provides the right platform to build your future in mobile development.

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Implementing Dark Mode in Flutter Apps: A Step-by-Step Guide

Set Up ThemeData

In your main.dart, define two ThemeData variables: one for light mode and one for dark mode.

dart

ThemeData lightTheme = ThemeData.light();

ThemeData darkTheme = ThemeData.dark();

Use MaterialApp with ThemeMode

Add theme, darkTheme, and themeMode to your MaterialApp.

dart

return MaterialApp(

  theme: lightTheme,

  darkTheme: darkTheme,

  themeMode: ThemeMode.system, // or .dark / .light

  home: MyHomePage(),

);

Allow User Toggle (Optional)

Add a switch to let users toggle between dark and light mode manually, and store their preference using SharedPreferences.

Dark mode improves user experience and battery efficiency. With Flutter, implementing it is seamless and adds professional polish to your apps.

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