mauibarcode/mauibarcode/App.xaml mauibarcode/mauibarcode/App.xaml.cs namespace mauibarcode; public partial class App : Application { public App() { InitializeComponent(); MainPage = new AppShell();......Text.Encoding.CodePages" Version="7...MainApplication(IntPtr handle, JniHandleOwnership ownership) : base(handle, ownership)...