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In-depth Mobile Development articles by Senior Java Developer Pavan Rangani — practical, production-grade tutorials and engineering deep-dives. 31 articles in this category.
August 18, 2026
Requesting a permission the instant your app opens is the fastest way to get it denied – and on mobile, a denial is often permanent. How to ask for runtime permissions with context and good timing, an… Read more
August 18, 2026
Most apps are built as if the network always works, then break the moment a user walks into a tunnel. Offline-first flips the assumption: the network is unreliable by default. Local-first data, queued… Read more
August 18, 2026
The launch is the first thing a user experiences and the first thing they judge. What actually happens in the seconds between a tap and a usable screen, why almost all of it runs on one thread, and ho… Read more
July 23, 2026
Battery complaints arrive as one-star reviews saying “drains my battery” with nothing reproducible. How to measure actual drain with Battery Historian and Instruments, and the four causes … Read more
July 17, 2026
Android WorkManager guarantees deferred work will eventually run; iOS BGTaskScheduler only says it might. Learn constraints, exponential backoff, idempotent workers, the iOS budget model, and how to d… Read more
June 12, 2026
A production guide to Android 16 predictive back: enabling the callback API, PredictiveBackHandler in Compose, cross-activity animations, Material 3 Expressive, and migrating legacy back stacks.… Read more
May 8, 2026
A practitioner guide to wiring SwiftData with CloudKit on iOS 19: ModelConfiguration setup, VersionedSchema migrations, conflict resolution, CKShare collaboration, and offline-first UI patterns.… Read more
May 8, 2026
A migration playbook for Android 15 foreground service restrictions: required service types, the new userInitiated requirement, WorkManager alternatives for periodic sync, and crash mitigation strateg… Read more
April 7, 2026
Architect shared ViewModels with Kotlin Multiplatform for Android and iOS. Covers state management, coroutines, navigation integration, and platform-specific UI binding.… Read more
April 6, 2026
Master type-safe navigation in Jetpack Compose using Kotlin serialization. Covers route definitions, argument passing, deep links, and nested navigation graphs.… Read more
March 27, 2026
A complete guide to building custom Wear OS watch faces with Jetpack Compose, covering Watch Face Format, complications, interactive elements, and distribution.… Read more
March 26, 2026
Complete guide to Swift 6 concurrency — strict sendable checking, actors, global actor isolation, async/await patterns for thread-safe iOS development.… Read more
March 26, 2026
Complete guide to reducing Android and iOS app sizes covering R8/ProGuard, asset optimization, App Bundle dynamic delivery, app thinning, and size budget monitoring.… Read more
March 25, 2026
Complete guide to Android Baseline Profiles for startup performance optimization including Macrobenchmark testing, AOT compilation hints, and profile-guided optimization.… Read more
March 25, 2026
Complete migration guide from Core Data to SwiftData covering model definitions, query syntax, relationship handling, CloudKit sync, and incremental adoption strategies.… Read more
March 23, 2026
Complete guide to Kotlin Multiplatform with Compose Multiplatform for sharing business logic and UI across Android, iOS, desktop, and web applications.… Read more
March 22, 2026
Complete migration guide for React Native Expo SDK 52 with the new architecture, covering Fabric renderer, TurboModules, and production deployment strategies.… Read more
March 21, 2026
Deep dive into Flutter 4 Impeller rendering engine for achieving consistent 120fps performance with shader optimization, custom painters, and profiling techniques.… Read more
March 16, 2026
Master Jetpack Compose performance optimization — stability annotations, recomposition control, lazy layout tuning, and profiling for smooth Android apps.… Read more
March 10, 2026
Complete production guide to Kotlin Multiplatform for sharing business logic between Android and iOS including architecture patterns, networking, database, and deployment.… Read more
March 9, 2026
Create truly adaptive Flutter applications that feel native across mobile, web, and desktop platforms with responsive layouts and platform-specific components.… Read more
March 9, 2026
In-depth comparison of Kotlin Multiplatform, Flutter, and React Native in 2026 covering performance, developer experience, and when to choose each.… Read more
March 9, 2026
Complete developer guide to SwiftUI 6 new features including declarative navigation, custom layout containers, animation improvements, and visionOS support.… Read more
March 8, 2026
Create immersive AR mobile experiences using ARKit, ARCore, and cross-platform frameworks with spatial understanding and 3D object placement.… Read more
March 7, 2026
Create progressive web apps that deliver native-like mobile experiences with offline support, push notifications, and app store distribution.… Read more
March 4, 2026
Compile Flutter applications to WebAssembly for near-native web performance with shared codebases across mobile, desktop, and browser platforms.… Read more
February 26, 2026
Master state management in Flutter with Riverpod. Learn providers, notifiers, async patterns, and scalable architecture for production apps.… Read more
February 24, 2026
Implementing mobile app security best practices is non-negotiable in 2026 as mobile attacks grow increasingly sophisticated. In fact, 75% of […]… Read more
February 24, 2026
Setting up Fastlane mobile CI/CD automation eliminates hours of repetitive manual work in mobile app deployment. As a result, your […]… Read more
February 24, 2026
In 2026, Jetpack Compose Android UI has become Google’s recommended approach for building native Android interfaces. As a matter of […]… Read more
February 24, 2026
Choosing the right mobile app architecture patterns determines the long-term maintainability and scalability of your application. In fact, poorly architected […]… Read more