Mẫu Expo

expo-boilerplate/
├── app/
│   ├── (tabs)/
│   │   ├── index.tsx          # Home screen with the plan card and checkout button
│   │   └── profile.tsx
│   ├── payment/
│   │   └── result.tsx         # Payment result screen (deep-link target)
│   └── _layout.tsx            # Root layout and deep-link handling
├── components/
│   └── payments/              # PaymentButton, ProductCard, and related UI
├── config/
│   ├── env.ts                 # Reads EXPO_PUBLIC_BACKEND_URL
│   └── product.ts             # Plan name, price text, and features
├── services/
│   └── dodo-payments.ts       # Requests a checkout URL and opens it
├── types/
│   └── dodo-payments.ts       # Checkout types
├── server/                    # Demo Express server that creates checkout sessions
│   ├── server.js
│   └── .env.example
├── .env.example               # App environment variables template
├── app.json                   # App name, scheme, and bundle identifiers
└── package.json