--- title: Understanding Kotlin Scope Functions in Android (Without... description: A practical guide to Kotlin's five scope functions — let, run, with, apply, and also — focused on understanding when and why to use each rather than memorizing... canonical: https://daily.dev/posts/understanding-kotlin-scope-functions-in-android-without-memorizing-them--j4v2m40se twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Understanding Kotlin Scope Functions in Android (Without Memorizing Them) | daily.dev og:description: A practical guide to Kotlin's five scope functions — let, run, with, apply, and also — focused on understanding when and why to use each rather than memorizing... og:url: https://daily.dev/posts/understanding-kotlin-scope-functions-in-android-without-memorizing-them--j4v2m40se og:image: https://api.daily.dev/og/posts/j4V2m40Se.png og:image:alt: Understanding Kotlin Scope Functions in Android (Without Memorizing Them) og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Understanding Kotlin Scope Functions in Android (Without Memorizing Them) **[Medium](https://daily.dev/sources/medium_js)** · 6 min read · 0 upvotes · 0 comments ## Summary A practical guide to Kotlin's five scope functions — let, run, with, apply, and also — focused on understanding when and why to use each rather than memorizing definitions. Covers the two key distinctions: how the object is referenced (it vs this) and what each function returns (lambda result vs the object itself). Includes real-world Android examples for null safety, UI binding, object initialization, and logging, plus common interview questions comparing similar scope functions. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Mastering Kotlin Scope Functions: The Simplified Guide](https://daily.dev/posts/mastering-kotlin-scope-functions-the-simplified-guide-xgsutqbr8) · Medium · 0 upvotes · 0 comments - [5 Kotlin Features Every Android Developer Should Actually Be Using part 1](https://daily.dev/posts/5-kotlin-features-every-android-developer-should-actually-be-using-part-1-puwyfdeef) · Medium · 3 upvotes · 0 comments - [5 Kotlin Features Every Android Developer Should Actually Be Using part 2](https://daily.dev/posts/5-kotlin-features-every-android-developer-should-actually-be-using-part-2-z5lxjn1d1) · Medium · 0 upvotes · 0 comments - [Mastering Coroutines and Flow in Android](https://daily.dev/posts/mastering-coroutines-and-flow-in-android-opgwyvoqn) · Medium · 0 upvotes · 0 comments --- Tags: [#android](https://daily.dev/tags/android), [#kotlin](https://daily.dev/tags/kotlin), [#android-development](https://daily.dev/tags/android-development) [View this post on daily.dev](https://daily.dev/posts/understanding-kotlin-scope-functions-in-android-without-memorizing-them--j4v2m40se) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Understanding Kotlin Scope Functions in Android (Without Memorizing Them)","url":"https://daily.dev/posts/understanding-kotlin-scope-functions-in-android-without-memorizing-them--j4v2m40se","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/understanding-kotlin-scope-functions-in-android-without-memorizing-them--j4v2m40se"},"datePublished":"2026-07-24T10:32:28.498Z","dateModified":"2026-07-24T10:33:35.894Z","description":"A practical guide to Kotlin's five scope functions — let, run, with, apply, and also — focused on understanding when and why to use each rather than memorizing...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d6ab0a9a223ee01bc82d647f54feb2d2?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d6ab0a9a223ee01bc82d647f54feb2d2?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Medium","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Medium","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/medium","url":"https://daily.dev/sources/medium_js"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/understanding-kotlin-scope-functions-in-android-without-memorizing-them--j4v2m40se","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"android,kotlin,android-development","timeRequired":"PT6M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Medium","item":"https://daily.dev/sources/medium_js"},{"@type":"ListItem","position":3,"name":"Understanding Kotlin Scope Functions in Android (Without Memorizing Them)"}]} ```