Posts

The "Black Bars" are Officially Dead: A Guide to Edge-to-Edge in 2026

Image
 With Android 15's mandatory enforcement, WindowInsets handling is no longer optional—it's the professional standard. For over a decade, Android developers treated the  Status Bar  and  Navigation Bar  like untouchable “No Fly Zones.” We stayed safely inside our rectangular boxes, letting the OS paint those black bars at the top and bottom. But in 2026, the “Black Bar” era is in the grave. ⚰️ With Android 15’s  targetSdk  behavior changes defaulting apps toward edge-to-edge, an app that doesn't handle  WindowInsets  doesn't just look "old"—it looks broken. 🛑 Why Apps “Break” After Targeting Android 15 If you simply bump your  targetSdkVersion  to 15 or higher without updating your code, you’ll likely see these common regressions: Overlapping Bottom Nav:  Your menu items are now sliced in half by the gesture pill. The Hidden FAB:  Your Floating Action Button is obscured by the system navigation bar. Title Cutoffs:  Yo...
Post a Comment
Read more

Kotlin Coroutines Performance Optimization: Building a Custom Dispatcher for Low-Latency Android Systems

Image
 Master low-latency performance by isolating critical workloads from shared thread pool contention. Kotlin Coroutines are celebrated for their scalability and ability to handle thousands of concurrent tasks. However, in high-performance engineering,  throughput and latency are not the same thing. While standard dispatchers are designed to keep the CPU busy by multiplexing tasks across a shared pool, this model can be a nightmare for predictability. In systems like 120Hz sensor processing, real-time audio synthesis, or high-frequency trading,  predictability matters more than raw speed. 🧭 Throughput vs. Latency: Why It Matters Before diving into custom implementations, we must distinguish between two core performance metrics: Throughput:  Measures the total volume of work completed over time (e.g., “How many JSON files can I parse per minute?”). Latency:  Measures how long a single unit of work takes to complete (e.g., “How long does it take to process one senso...
Post a Comment
Read more