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Deep Links

Test a mobile deep link without building and deploying the app first.

Testing iOS and Android deep links required a full build-and-deploy cycle just to check the URL format worked.

Tech Domain · Book Dev|Published|Evidence: Live|Next.js, TypeScript

A public deployment is available to try.

Case Study

Before

Mobile app deep links require precise URL formatting with platform-specific parameters. Testing them required building and deploying apps, slowing development iteration.

After

Reduced deep link creation from trial-and-error to a guided process. The format validation catches errors before deployment, eliminating the build-test cycle for link verification.

How it's solved

Built a deep link generator with templates for iOS (universal links) and Android (app links), parameter builders, QR code generation, and a testing panel that validates link format before deployment.

Trade-offs

It validates link format, not runtime behavior — a correctly formatted link can still fail if the target app isn't installed.

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