Project Structure Main Project Directory : App.xaml : This file is used for application-level resources, such as styles and themes. App.xaml.cs : Contains the code-behind for the App.xaml file, including the application entry point. MainPage.xaml : The main page of your application, which defines the UI layout in XAML. MainPage.xaml.cs : The code-behind for MainPage.xaml, where you implement the logic for the main page. Platforms : Android : Contains platform-specific code for Android, such as AndroidManifest.xml and MainActivity.cs. iOS : Contains platform-specific code for iOS, such as Info.plist and AppDelegate.cs. MacCatalyst : Contains platform-specific code for Mac Catalyst, such as Info.plist and AppDelegate.cs. WinUI : Contains platform-specific code for Windows, such as Package.appxmanifest and App.xaml.cs. Resources : Fonts : Contains font files used in the application. Images : Contains image assets used in the application. Styles : Contains styles and themes used in t...