https://chanzmao.benigumo.com/blog/flow/ Recent content in Flow on Chanzmao ʕ•ᴥ•ʔ Bear Blog Hugo en-US (c) 2026 chanzmao Mon, 15 Jun 2026 04:21:15 +0900 https://chanzmao.benigumo.com/when-should-you-use-snapshotflow-in-jetpack-compose/ Mon, 15 Jun 2026 04:21:15 +0900 https://chanzmao.benigumo.com/when-should-you-use-snapshotflow-in-jetpack-compose/ <p><img src="https://chanzmao.benigumo.com/images/2026-06-15-snapshotflow.png" alt=""></p> <p>Jetpack Compose provides several ways to react to state changes. Among them, <code>snapshotFlow</code> is often misunderstood.</p> <p>Many developers either overuse it or never use it at all.</p> <p>The key idea is simple:</p> <blockquote> <p>Use <code>snapshotFlow</code> when you need to convert Compose state into a Kotlin Flow and perform side effects.</p> </blockquote> <p>If you&rsquo;re only updating the UI, <code>snapshotFlow</code> is usually the wrong tool.</p> <h2 id="what-snapshotflow-actually-does">What snapshotFlow Actually Does</h2> <p><code>snapshotFlow</code> observes Compose state and emits new values as a Flow whenever that state changes.</p>