Flutter for Beginners

Platform class

When developing mobile apps for multiple platforms, we may need to make different designs for different targets. To do that, we can use the Platform class, which helps us get information about the environment, mainly the target operating system, through its getters:

• isAndroid
• isFuchsia
• isIOS
• isLinux
• isMacOS
• isWindows

With these getters, we can make our whole widget tree have specific implementations for each platform. Here's an example:

// part of theme/lib/main.dart exampleclass PlatformSpecificWidgets extends StatelessWidget {  @override  Widget build(BuildContext context) {    return Platform.isAndroid        ? MaterialApp(            theme: ThemeData(primaryColor: Colors.grey),          )        : CupertinoApp(            theme: CupertinoThemeData(primaryColor:  CupertinoColors.lightBackgroundGray), ...