Blog: Skills, Java 17, and Theme Accents#4951
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Weekly post covering the Initializr's switch to Java 17 by default, the bundled Codename One authoring skill (.claude/skills/codename-one/), the new runtime accent vocabulary on native themes, this week's Metal follow-up (per-axis scale decomposition, clip-under-rotation diagnostic, ios.metal.colorSpace hint, new translateMatrix API), the closed String.replace/replaceAll/replaceFirst gap, and the iOS push permission prompt moving off app launch. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The generated project ships AGENTS.md at the root (the emerging vendor-neutral convention) and the canonical skill content under .agent-skills/codename-one/. The .claude/skills/codename-one/SKILL.md is intentionally a thin stub that redirects to the vendor-neutral location, so Claude Code's /skills picker indexes the skill without us picking sides on which loader format wins. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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- Sync description and feed_html - Drop em-dashes throughout - Rewrite Java 17 section in Shai's voice: focus on the future of CN1, builds on any JDK 17+, Java 8 still selectable (don't call it Legacy, the radio just says "Java 8") - Link to /blog/official-experimental-java-17-support/ instead of repeating the practical-notes bullets - AGENTS.md is the convention -- no "emerging convention" framing - Drop the file tree and link to the skill source in git instead - Highlight what the skill actually enables: agents driving jdb against the simulator, IsApiSupported / IsCssValid tools - Explain the Java 17 only scope (older build constraints made the picture confusing for agents) - Drop the Hashtable example on theme accents; keep the CSS path and point at the developer guide for the runtime override - Remove "surface area" wording Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…otclasspath The previous wording implied the calls compiled and then failed at runtime. They didn't compile at all because the methods were absent from the bootclasspath; you had to know to use replace(char,char) and roll your own regex. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Three points from the discussion: skins do not affect CSS, the defaults usually work for a known device (customization is for refinement when our database is incomplete), and themes are migrating out of skins into Maven-distributed framework themes. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Weekly Hugo blog post at
docs/website/content/blog/skills-java17-and-theme-accents.mdcontinuing the cadence from Metal and Skins and Liquid Glass, Material 3, And A Lot Of Plumbing.Threads through the week's headline changes:
AGENTS.md(the emerging universal convention) plus canonical content at.agent-skills/codename-one/..claude/skills/codename-one/SKILL.mdis intentionally a thin stub that redirects to the vendor-neutral location, so Claude Code's/skillspicker indexes the skill without us locking the content to one vendor.getClip/setClip(int[])round-trip limitation on Clipping region not respected with non-90 degree rotations. #3921).ios.metal.colorSpacebuild hint (iOS: add ios.metal.colorSpace build hint for the Metal renderer #4909) for wide-gamut Display P3 apps.Graphics.translateMatrix(float, float)API that composes translate into the impl matrix the wayscaleandrotateRadiansalready do, sotranslate + scale + rotateis order-stable across iOS / JavaSE / Android / JS.String.replace(CharSequence, CharSequence),String.replaceAll(String, String),String.replaceFirst(String, String).Push.register()/LocalNotification.schedule(), mirroring Android'sPOST_NOTIFICATIONSflow; backwards-compat hintios.notificationPermissionAtLaunch=truerestores the legacy behaviour.Hero image lives at
docs/website/static/blog/skills-java17-and-theme-accents.jpg.Test plan
hugo serveindocs/website/)./blog/metal-and-skins/,/blog/liquid-glass-material-3-modern-native-themes/,/playground,/initializr/,/skindesigner/.feed_htmlsyndicates cleanly to dev.to / Hashnode through the existing sync job.🤖 Generated with Claude Code