MAUI Cross-Platform Application

Full-featured Grade My Investments client for Android, iOS, and macOS (via Catalyst) with complete feature parity to the web application.

MAUI ARCHITECTURE

rendering diagram…

flowchart TB
    subgraph PLATFORMS[Target Platforms]
        P1([Android 5.0 plus]):::ext
        P2([iOS 12.2 plus]):::ext
        P3([macOS 15 Catalyst]):::ext
    end
    subgraph UI[Presentation - 52 XAML Views]
        V1[Dashboard]:::app
        V2[Generate Report]:::app
        V3[Report Dashboard]:::app
        V4[File Browser TreeView]:::app
        V5[Symbol Lists]:::app
        V6[Account - Billing]:::app
    end
    subgraph SVC[Service Layer]
        S1[GoogleAuthService]:::svc
        S2[SessionService]:::svc
        S3[StripeService]:::svc
        S4[GuidedTourService]:::svc
        S5[CertificatePinning]:::sec
    end
    subgraph LIB[Shared Libraries]
        L1[(Gmi.RestClient)]:::data
        L2[(Gmi.ClassLibrary)]:::data
    end
    PLATFORMS --> UI
    UI --> SVC
    SVC --> LIB
    LIB --> API[(GMI REST API)]:::data
    classDef app fill:#1f2630,stroke:#C0894E,color:#F3EFE8;
    classDef svc fill:#241c14,stroke:#E2B583,color:#F3EFE8;
    classDef data fill:#22201a,stroke:#C0894E,color:#EBD3AE;
    classDef ext fill:#1b1f27,stroke:#5A616B,color:#C4C0B8;
    classDef sec fill:#1d2733,stroke:#5cc8e0,color:#eafaff;

Single C# codebase delivers native experiences on Android, iOS, and macOS Catalyst via a three-layer architecture.

Gmi.Maui.Mobile

The MAUI application provides complete feature parity with the Client Web App, delivering the full Grade My Investments experience across all platforms with 52 XAML views:

Core Investment Features

Dashboard with real-time analytics
Generate comprehensive stock reports
Report Dashboard with symbol & financial detail views
Share reports publicly — link or card image via the native share sheet
My Shared Reports: viewer counts and one-tap revoke
Symbol list management with templates
Browse and organize report files (TreeView)
Position reports with upload and viewing
PDF viewer and HTML viewer for report files

Account & Settings

Email notification management
SMS notification settings
Account configuration
Payment method management (Stripe)
Billing & usage tracking
Getting Started onboarding carousel
Claude AI file analysis with cost estimate
Guided tour with Syncfusion SfPopup

100% Feature Parity: Every feature available in the Client Web App is fully implemented in the MAUI application, ensuring a consistent experience across all devices.

Multi-Platform Distribution

Android

Android 5.0+ (API 21)
Google Play Store
Material Design
Google OAuth sign-in
Native performance

iOS

iOS 12.2+
App Store
Human Interface Guidelines
Google OAuth sign-in
Native iOS features

Mac Catalyst

macOS 15.0+
Mac App Store
Apple Silicon native
Google OAuth sign-in
Desktop experience

One Codebase, Three Platforms: The MAUI application uses a single C# codebase to deliver native experiences on Android, iOS, and macOS. Windows support is available in the target framework configuration but is built only on Windows CI agents.