The 16.67ms Race: Mastering Real-Time 60 FPS Video Segmentation on Android
Imagine you are building the next generation of Augmented Reality (AR) glasses or a professional-grade video editing tool for Android. The user holds …
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Architecting Location-Based Automation Without Killing the Battery
Opening hook It happened during a quiet afternoon in the library. I was deep in a documentation sprint, and the only sound was the rhythmic tapping of…
Stop Moving Pixels: Mastering Zero-Copy Image Processing for High-Performance Edge AI
You’ve spent months optimizing your neural network. You’ve pruned the weights, quantized to INT8, and selected the most efficient architecture for you…
Architecting a background-controlled sound manager that actually survives Doze mode
It happened during a lecture. I was sitting in the front row, taking notes on my tablet, when my phone started vibrating against the wooden desk. The …
Breaking the Abstraction Tax: Mastering Custom C++ Operations for High-Performance Edge AI on Android
In the modern Android ecosystem, we have become accustomed to the incredible productivity of Kotlin and the safety of the JVM. For standard applicatio…
Architecting Location Based Automation without Killing Android Battery Life
It happened during a quiet afternoon at the library. I was deep into a debugging session when my phone suddenly blared a loud, upbeat notification rin…
Architecting persistent background tasks against Android Doze mode
The Silent Crisis I was sitting in a quiet, sunlit conference room during a high-stakes client presentation. The air was still, and every minor sound …
My API Functions Had No Code Inside Them. So Who Was Actually Fetching the Data? (Interview Prep)
I wrote the network layer of my Pokedex app, and then I sat there staring at it, genuinely confused. interface PokeApi { @GET ( "pokemon" ) suspend fu…
How screenshot detection works on Android
Detecting a screenshot on Android sounds like a single-callback problem. It isn't. Android 14 introduced an official screenshot detection API, but sup…
Architecting a location-aware sound manager without killing battery
It happened during a quiet afternoon at the library. I was deep into a debugging session for a client project when my phone decided it was the perfect…
Stop Killing Your Battery: The Ultimate Guide to Android Edge AI Quantization (INT8 vs. FP16)
If you have ever tried to run a massive Large Language Model (LLM) or a high-resolution computer vision model directly on a mobile device, you’ve like…
Architecting a Battery-Efficient Geofencing Service for Android 14
It happened during a quiet afternoon in the mosque. The imam was midway through a soft, reflective portion of the sermon when a sharp, melodic rington…
The Silent Killer of Edge AI: How to Master Thermal Throttling and Prevent the "Performance Cliff"
You’ve spent weeks optimizing your transformer-based model. You’ve pruned the weights, quantized the tensors, and fine-tuned the architecture to ensur…
Gson silent bug that Never Said a Word(Interview Prep)
Here's a bug that looks impossible until you understand Gson. You have this data class in your Pokedex app: data class PokemonStat ( @SerializedName (…
Architecting a 100% Offline Geofencing Engine for Android
It happened during a quiet afternoon at the local library. I was deep into a debugging session when my phone suddenly decided to blast a notification …
Stop Guessing, Start Profiling: Mastering Edge AI Performance and Power on Android
You’ve spent weeks optimizing your machine learning model. You’ve pruned the weights, quantized the tensors, and fine-tuned the hyperparameters. On yo…
Apple locked hearing assistance inside AirPods. So I built an open-source version for any earbuds.
In 2024, Apple shipped something genuinely great: AirPods Pro can run a clinical-style hearing test and then act as hearing assistance, tuned to your …
Engineering Geofencing: Lessons in Android Battery and Location Accuracy
It happened during a quiet, solemn moment in a community prayer hall. I was sitting in the third row, reflecting, when suddenly, a high-pitched ringto…
Beyond the .tflite File: Mastering High-Performance Edge AI with MediaPipe Tasks and AICore
For years, the workflow for Android developers looking to implement on-device Machine Learning (ML) followed a predictable, albeit exhausting, pattern…
Keeping background services alive: Lessons from building Muffle
Opening hook It happened during a quiet afternoon at the mosque. The imam was mid-sentence when a rhythmic, high-pitched ringtone cut through the sile…
Detekt Explained: Enhance Kotlin Projects with Static Analysis - part 1
This article was originally published on wilfried.hashnode.dev Static analysis isn't about making your code "look nice." It's about catching the kind …
Passwords are not necessary, a Oauth/OIDC approach
Intro It is possible to skip the burden of password management, security, encryption and password rotations. When using OAuth 2.0 with OIDC (OpenID Co…
Stable Screenshot Tests and Flow Benchmarks in KMP
In the previous post on architecture , I argued that a good KMP suite is a consequence of architecture : keep the core framework-free, depend on ports…
The Future of KMP: Upgrading to Kotlin 2.3.20 and Compose 1.10.3
The Kotlin Multiplatform (KMP) ecosystem moves fast. To stay at the cutting edge, ImagePickerKMP has recently undergone a major architectural upgrade …
Keeping Android Services Alive Against OEM Battery Aggression
It was the middle of a Friday afternoon, and I was sitting in the front row of a local mosque. The room was deathly quiet, the kind of silence that am…
The Big Lie in Mobile Privacy (And How We Fixed It)
The Big Lie in Mobile Privacy (And How We Fixed It) If you have an Android phone, you've seen the pop-up banners asking for your permission to track y…
Stop Animating Modifiers Like This in Jetpack Compose
Animating offset or alpha properties using standard compose states can easily tank your UI frame rates. If you read animation states directly in compo…
Why I'm building yet another UML tool in 2026
Let me get the obvious objection out of the way. PlantUML exists. Mermaid renders natively on GitHub. draw.io is free and works. Enterprise Architect,…
97% of My App's Code Is in commonMain — A Field Report on Shipping 100% Compose Multiplatform
I shipped a small dev-news reader to Google Play with the entire client written in one Compose Multiplatform codebase — every screen in commonMain , n…
I reverse-engineered my motorcycle's Bluetooth protocol to put Google Maps on the dashboard
My motorcycle has a Bluetooth instrument cluster. It pairs with the manufacturer's phone app and shows turn-by-turn navigation right on the dash, whic…