Weekly Digest
Dec 29 - Jan 4, 2026
5 articles that week
HashMap and Set Performance Optimization in Android Kotlin
Using List.contains() instead of Set.contains() in your Android app? You might be making it 900x slower than it needs to be.
Kotlin Multiplatform in 2026: Why We Finally Deleted Our Flutter Code
A team just deleted thousands of Flutter files and went all-in on Kotlin Multiplatform. Here's why the physics of cross-platform development finally caught up with them.
Mastering Location Services in Mobile Apps — A Guide for Android (Jetpack Compose) & iOS (SwiftUI)
Pavithra Chamod J from PickMe Engineering breaks down the biggest challenge in mobile dev: making location services work seamlessly across Android and iOS without draining batteries or violating privacy.
The State of Agentic iOS Engineering in 2026
Thomas Ricouard spent only 2% of his time in Xcode last year while shipping more iOS code than ever. His secret? Treating AI agents as tireless coworkers, not autocomplete tools.
Unlock Native Power in Flutter Part 1
Flutter's cross-platform magic hits a wall when you need native APIs. Here's how to bridge that gap without losing your mind.