--- title: "Android's Java 8 Support" url: https://daily.dev/posts/android-s-java-8-support-afsiimkm9 source_url: https://jakewharton.com/androids-java-8-support type: article source: "Jake Wharton" published: 2026-07-05T07:13:38.714Z updated: 2026-07-05T07:15:32.968Z tags: ["java", "android"] reading_time: 16 upvotes: 0 comments: 0 language: 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. # Android's Java 8 Support **[Jake Wharton](https://daily.dev/sources/jakewharton)** · 16 min read · 0 upvotes · 0 comments ## Summary A deep technical exploration of how Android's toolchain handles Java 8 language features, focusing on the desugaring process. Covers the history from Retrolambda through the Jack compiler to D8, explaining how lambdas and method references are transformed into Dalvik-compatible bytecode. Includes bytecode-level walkthroughs showing exactly how D8 converts lambdas into synthetic classes. Also addresses the gap between language feature desugaring (largely solved by D8) and API desugaring (e.g., java.time, streams), which still requires manual workarounds or bundled libraries. Argues that full Java 8 API desugaring is needed to unblock the broader Android and JVM library ecosystem. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#java](https://daily.dev/tags/java), [#android](https://daily.dev/tags/android) [View this post on daily.dev](https://daily.dev/posts/android-s-java-8-support-afsiimkm9)