MJ Stories
Android craftsmanship stories
Offline-First KMP · Part 2
Two writes for every tap
The write your UI reads is not the write your server trusts. In an offline-first app, every user action produces two local writes — an immutable event you upload, and a provisional projection you render so the UI updates instantly.
Series · 2 parts
Offline-First KMP
When your mobile app must work without internet as a standard — not an edge case — picking the right sync layer becomes the most critical architectural decision. Here is how we evaluated the landscape.
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Your API key is not a secret
We have been hiding API keys in Android apps for a decade — with BuildConfig tricks, NDK, obfuscation libraries. None of it works. The fix is not better hiding; it is treating the key as a public identifier and proving the app is genuine instead.
Share iOs string resources with Android
There might be a requirement for mobile string resources to be defined or adjusted by management or copywriters. There also might be a requirement to add localization later by those roles. And on top of that strings should be synced across platforms.