Android Unplugged | Quality Tools for Developers

Heap Dumping Explained — Why LeakCanary Freezes Your App to Find the Truth Learn what a heap dump is, when LeakCanary triggers one, why it briefly pauses your app, and how the resulting .hprof snapshot enables Shark to find real Android memory leaks. In the previous part of this series, we explored ObjectWatcher , the component that keeps an eye on destroyed Activities, Fragments, Views, and custom objects. But ObjectWatcher does not prove a leak on its own. It only tells LeakCanary that some objects still look suspiciously alive after they should have been garbage collected. That is the moment when LeakCanary makes its boldest move: it captures a heap dump . Heap dumping is the turning point in LeakCanary’s workflow. It briefly freezes the app, records a binary snapshot of memory, writes that snapshot to disk as a .hprof file, and passes it to Shark for analysis. [page:1] Table of Contents 1. What Is a Heap Dump? ...

  Introduction to Android Performance Optimization Android developers constantly face challenges related to application performance and efficiency. As the demand for high-performance applications grows, understanding the tools and techniques available to optimize app performance is crucial. In this blog post, we will delve into insights shared by experts in the field, particularly focusing on Baseline Profiles and Startup Profiles, while also discussing best practices for enhancing Android application performance. Understanding Performance in Android Development The Importance of Performance Performance is a broad area in Android development that directly impacts user experience. Applications that start slowly or exhibit jank during scrolling can lead to user dissatisfaction and uninstalls. Consequently, optimizing the performance of an app is a critical aspect of a seamless user experience. Key Areas to Focus On Startup Performance: The time taken for an app to become usable...