We are using : https://github.com/icsharpcode/SharpZipLib Library for Zipping and Unzipping the Files inside our dotnet maui project.

MainPage.xaml

MainPage.xaml.cs

MainPageViewModel.cs

Make sure you have setup Media integration inside your Dotnet maui project for taking camera photo.

https://learn.microsoft.com/en-us/dotnet/maui/platform-integration/device-media/picker?tabs=android