Kotlin on Jeff Mixon | jeffmixon.comhttps://www.jeffmixon.com/tags/kotlin/Recent content in Kotlin on Jeff Mixon | jeffmixon.comHugoen-usTue, 21 Jul 2026 12:45:29 -0700Knit: mesh chat with no servers, no accounts, and no Google Play Serviceshttps://www.jeffmixon.com/post/android-mesh-chat-nearby-connections/Thu, 09 Jul 2026 00:00:00 -0700https://www.jeffmixon.com/post/android-mesh-chat-nearby-connections/Knit is a phone-to-phone messenger that needs no internet, no account, and no server to work: it talks straight to the phones around it over Wi-Fi Aware and Bluetooth LE. After a full rewrite it does that without Google Play Services either. A look at the dual-radio mesh, the wire protocol, and the on-device features that hold it together.