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Engineering Offline-First Data Collection for Field Teams

by Ruslan dev.to

2 min read

Field data collection usually breaks right where cellular service drops. Last year, while deploying an environmental survey tool in a remote agricultural zone, our prototype app crashed. It wasn’t a memory leak or an unhandled null pointer; it was a naive network assumption. The app assumed fetch() would always resolve, hanging the main thread indefinitely when a 4G connection dropped to zero mid…

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