https://blog.galiren.me/Recent content on Curry RestaurantHugoenTue, 28 Jul 2026 00:00:00 +0000https://blog.galiren.me/posts/dive-into-leakcanary/Tue, 28 Jul 2026 00:00:00 +0000https://blog.galiren.me/posts/dive-into-leakcanary/<p><a href="https://square.github.io/leakcanary/">LeakCanary</a> is a widely used library for detecting memory leaks in Android apps.</p> <p>Adding a dependency is enough to get it running.</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-kotlin" data-lang="kotlin"><span class="line"><span class="cl"><span class="n">dependencies</span> <span class="p">{</span> </span></span><span class="line"><span class="cl"> <span class="c1">// debugImplementation because LeakCanary should only run in debug builds. </span></span></span><span class="line"><span class="cl"><span class="c1"></span> <span class="n">debugImplementation</span><span class="p">(</span><span class="s2">&#34;com.squareup.leakcanary:leakcanary-android:2.14&#34;</span><span class="p">)</span> </span></span><span class="line"><span class="cl"><span class="p">}</span> </span></span></code></pre></div><p>Install a debug build on a device and a canary launcher appears next to the app. When a leak is found, LeakCanary reports it with a toast or a notification.</p> <p><img src="https://square.github.io/leakcanary/images/dumping-toast.png" alt="LeakCanary dumping toast" loading="lazy" decoding="async"> </p> <p>This article is about why that works without any initialization code in the application.</p>