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Languages & runtimes · #kotlin
Learn how to use Android WorkManager to guarantee background task execution after a reboot, with a concrete worker example, constraints, and observation via LiveData.
Stop relying on findViewById and avoid NullPointerExceptions. Learn how to implement ViewBinding in Android Studio for type-safe, boilerplate-free UI references.
Treat CoroutineScope as an architectural boundary: tie lifecycles to components, enforce dispatcher contracts with detekt, isolate sibling failures with supervisorScope, and verify cancellation logic using virtual-time tests.
Learn how Ktor’s ContentNegotiation plugin, paired with kotlinx.serialization, automatically handles JSON request and response bodies so you can focus on business logic.
Learn how to use Android ViewModel to prevent data loss during screen rotations and configuration changes, while avoiding common memory leak pitfalls.
A practical decision guide comparing Realm Flexible Sync and Partition-Based Sync for mobile apps. Covers constraints, trade-offs, implementation patterns for Kotlin/Swift/JS, validation steps, and migration considerations.
Stop manually parsing JSON in Ktor. Learn how to use the ContentNegotiation plugin and kotlinx.serialization to build type-safe, clean REST endpoints.
Learn how to install and configure Ktor's StatusPages plugin to convert exceptions and error statuses into consistent JSON responses, with setup steps, tests, and troubleshooting tips.
Learn how to diagnose and fix ConcurrentModificationException in Kotlin. This guide covers why for-each loops fail during element removal and provides safe alternatives like removeAll and MutableIterator.
android
androidstudio
ktor