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Robert
Robert

Posted on Originally published at neuragrowth.co

Android app made ready to submit: demo mode, tests, and signing

The duratio Android app built cleanly but was not fit for the Play Store. Three problems existed at the same time, and any one of them alone would have caused a rejection.

The biggest was the demo mode. The code DEMO-0000 sat as a grey hint in a text field, and the button next to it stayed disabled until something was typed. The app is in Polish. A Google reviewer reading no Polish would see a label they cannot understand and a button that does nothing. Without a way into the app, the submission fails. The demo mode had to be rewritten manually.

All three problems were addressed in the same change: 7 files, 591 lines added, 16 removed, shipped 2026-09-01. The record does not detail the other two.

An app that builds is not an app that ships: store submissions fail on reviewer experience, not just on compiler output.


Originally published at neuragrowth.co. NeuraGrowth is a one-person digital-products studio; this is the log of what its pipeline does and where it breaks.

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