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The Future of Android is Local: How to Run Custom LLMs (Llama, Gemma) On-Device with MediaPipe and Kotlin

For years, the promise of Large Language Models (LLMs) in the mobile ecosystem has been tethered to the cloud. We’ve treated these powerful models as …

androidkotlinai
Dev.to Apr 28, 2026, 10:00 UTC
EN

I wrote my third XML parser. Here's why this one was different.

Hi, I'm Pasha, and I write XML parsers. Not because the world needs another one. The world has xmlutil by Paul de Vrieze, which I will say specific ni…

kotlinjavaxmlshowdev
Dev.to Apr 26, 2026, 19:18 UTC
EN

Beyond the Cloud: Mastering On-Device GenAI with MediaPipe and Gemini Nano on Android

The era of "Cloud-First" AI is facing a silent revolution. While GPT-4 and Claude 3 dominate the headlines, a significant shift is happening right in …

androidkotlinai
Dev.to Apr 25, 2026, 10:00 UTC
EN

Gradle Said No. Here's How I Learned to Actually Read the Error.

There's a specific kind of panic that only Android developers know. You open your project. You change one line — maybe you bumped a library version, m…

androidkotlinbeginners
Dev.to Apr 23, 2026, 12:02 UTC
EN

Making illegal state unrepresentable

A couple of years ago, I wrote that The Builder pattern is a finite state machine! . A state machine consists of states and transitions between them. …

programmingcodingjavakotlin
Dev.to Apr 23, 2026, 09:02 UTC
EN

I pushed my Android app to production. Then Android and the OEMs spent two weeks tearing it apart.

I build a safety-critical Android app that monitors elderly people living alone. It watches the phone 24/7 — motion, GPS, screen activity — and emails…

androidkotlinprogrammingsideprojects
Dev.to Apr 22, 2026, 20:09 UTC
EN

How I Started Learning Kotlin by Building a Real Android App

For a long time, Kotlin was one of those technologies I kept meaning to learn “properly.” You probably know the feeling. You read a few examples. You …

kotlinandroidbeginnersmobile
Dev.to Apr 22, 2026, 09:20 UTC
RU

Kotlin Корутины + БД connection pool. Как не получить каскадное падение

Почему Dispatchers.IO + Hikari + чуть-чуть лагов БД = каскадная деградация всего сервиса, и как bulkhead-паттерн в одну строку это лечит. Читать далее

котлинкорутиныhighloadkotlincoroutines
Habr Apr 21, 2026, 10:57 UTC
EN

Day 9/100: onSaveInstanceState vs ViewModel vs SavedStateHandle — Pick the Right Tool

This is Day 9 of my 100 Days to Senior Android Engineer series. Week 2 theme: Process & Memory. Each post: what I thought I knew → what I actually…

androidkotlinjetpackprogramming
Dev.to Apr 20, 2026, 00:16 UTC
EN

Dependency: That One Line in build.gradle You Copy Without Thinking? Let's Actually Understand It.

You know the drill. You want to add Retrofit to your project. You Google "add Retrofit Android.", take it from official documentation You find the lin…

androidkotlinbeginnersgradle
Dev.to Apr 15, 2026, 22:29 UTC
EN

How I Built a Batch Image Compressor for Android That Handles 500 Photos at Once

The Problem That Started It All A photographer friend of mine had a familiar complaint: she'd shoot 400+ RAW-converted JPEGs at an event, and getting …

androidkotlinimageprocessingshowdev
Dev.to Apr 15, 2026, 14:38 UTC
EN

The Only Compose-Native 3D & AR Library for Android

You're building an Android app with Jetpack Compose. You need 3D. Maybe a product viewer, a model configurator, or AR furniture placement. You search.…

androidkotlinjetpackcomposeaugmentedreality
Dev.to Apr 13, 2026, 00:07 UTC
EN

KMP Native UI Login and Profile screens, navigation, and more

We are all set now. Our KMP Native UI app is fully configured with Koin dependency injection Ktor networking client and structured according to Clean …

kmpkotlinnativenavigation
Dev.to Apr 12, 2026, 17:25 UTC
EN

Next-Level Observability with OpenTelemetry

When something goes wrong in my applications, logging is almost always the first tool I reach for. I'll throw a few log statements at the start and en…

observabilityopentelemetryspringbootkotlin
Dev.to Apr 10, 2026, 15:35 UTC
EN

How to Dynamically Change App Language in Jetpack Compose (Modern Android Guide) 🚀🌏

Many apps today let users choose their preferred language directly inside the app — not just rely on the device language. For example: Someone learnin…

androidkotlinjetpackcomposemobile
Dev.to Mar 14, 2026, 22:43 UTC

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