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Launching Activities With Activityscenario

Category: Dev Tools  ·  Sub-category: tools-misc  ·  Last updated:
Use this skill to launch, drive, and tear down an Activity from an instrumentation test using `ActivityScenario` and the JUnit4 wrapper `ActivityScenarioRule`. Covers `ActivityScenario.launch<A>()`, `launch(intent)`, `launchActivityForResult`, `moveToState(Lifecycle.State.*)`, `recreate()`, `onActivity { }`, the `Closeable` / `use { }` idiom, and the manifest declaration trap. Establishes that `androidx.test.ext.junit.rules.ActivityScenarioRule` is the single canonical FQN — `androidx.test.rule.ActivityScenarioRule` does NOT exist; the package only ships the deprecated `ActivityTestRule`. Use when the user reports `ActivityNotFoundException`, `ActivityTestRule deprecated`, "how do I rotate the activity in a test", "how do I read setResult from a test", "how do I survive recreate", "Cannot run onActivity since Activity is not alive", or "test deadlocks on launch".
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

ActivityScenario is the modern replacement for the deprecated ActivityTestRule. It provides a thread-safe, lifecycle-aware handle to drive an Activity through CREATED / STARTED / RESUMED / DESTROYED, recreate it for configuration-change emulation, and post work onto its UI thread via onActivity { }. The JUnit4 wrapper ActivityScenarioRule calls launch in before and close in after. This skill encodes the canonical FQN trap, the threading rules, and the manifest requirement.

What this skill does

Launching Activities With Activityscenario is a community-contributed Claude Code skill in the tools-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/launching-activities-with-activityscenario/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user reports `ActivityNotFoundException`, `ActivityTestRule deprecated`, "how do I rotate the activity in a test", "how do I read setResult from a test", "how do I survive recreate", "Cannot run onActivity since Activity is not alive", or "test deadlocks on launch".

Who uses this skill

The Launching Activities With Activityscenario Claude Code skill is built for developers, power users, and teams automating repetitive workflows and improving developer experience. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 154,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/launching-activities-with-activityscenario
curl -L https://claudskills.com/skills/launching-activities-with-activityscenario/SKILL.md \
  -o ~/.claude/skills/launching-activities-with-activityscenario/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/launching-activities-with-activityscenario/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/launching-activities-with-activityscenario/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\launching-activities-with-activityscenario\SKILL.md on Windows. See the full install guide for step-by-step instructions.

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📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

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See pricing → Download desktop app

Frequently asked questions

How do I install the Launching Activities With Activityscenario Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/launching-activities-with-activityscenario/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Launching Activities With Activityscenario skill do?
Use this skill to launch, drive, and tear down an Activity from an instrumentation test using `ActivityScenario` and the JUnit4 wrapper `ActivityScenarioRule`. Covers `ActivityScenario.launch<A>()`, `launch(intent)`, `launchActivityForResult`, `moveToState(Lifecycle.State.*)`, `recreate()`, `onActivity { }`, the `Closeable` / `use { }` idiom, and the manifest declaration trap. Establishes that `androidx.test.ext.junit.rules.ActivityScenarioRule` is the single canonical FQN — `androidx.test.rule.ActivityScenarioRule` does NOT exist; the package only ships the deprecated `ActivityTestRule`. Use when the user reports `ActivityNotFoundException`, `ActivityTestRule deprecated`, "how do I rotate the activity in a test", "how do I read setResult from a test", "how do I survive recreate", "Cannot run onActivity since Activity is not alive", or "test deadlocks on launch".
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Launching Activities With Activityscenario skill?
Use Launching Activities With Activityscenario when your Claude Code task falls under the Dev Tools category — specifically in the tools misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Launching Activities With Activityscenario" or describe the task and let Claude pick). Browse related skills at /category/tools/.
What is a Claude Code skill and how does the Launching Activities With Activityscenario skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Launching Activities With Activityscenario is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Dev Tools category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
skydoves. (2026). Launching Activities With Activityscenario [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/launching-activities-with-activityscenario/
BibTeX
@misc{launching-activities-with-activityscenario-2026,
  author    = {skydoves},
  title     = {Launching Activities With Activityscenario [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/launching-activities-with-activityscenario/}
}

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Security scan

Grade A · scanned 2026-07-20 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

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