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SKILL verified Apache-2.0 Self-run

Media3 Video Playback

skill-sunnat629-android-media-pack-media3-video-playback · by sunnat629

Compact skill for Media3 1.10.1 video surfaces, aspect ratio, first frame, HDR, PiP, and feed-safe handoff.

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Install

$ agentstack add skill-sunnat629-android-media-pack-media3-video-playback

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/skill-sunnat629-android-media-pack-media3-video-playback)

Reliability & compatibility

✓ Security review passed
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● 17d ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

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About

Trigger

Use for video rendering bugs, blink/flicker, wrong crop, first-frame handoff, PiP, HDR, or fullscreen behavior.

Rules

  • Start with streaming-media-architecture for ownership, KMP split, preload window, and telemetry.
  • Pin Media3 to 1.10.1 through the version catalog.
  • Keep Media3 APIs in Android source sets; expose KMP-safe state/events upward.
  • Use onRenderedFirstFrame plus media identity to remove placeholders.
  • Do not change surface type while the player is attached.
  • SurfaceView is PREFERRED everywhere, including inline scrollers. Fall back to TextureView only when SurfaceView cannot satisfy the requirement, for example smooth scroll or transition animation on pre-API 24 devices. TextureView costs more power, has weaker frame timing, and cannot show HDR or secure (DRM) output.
  • Aspect comes from onVideoSizeChanged, not thumbnail size.

Example

val readyForVideo = state.mediaUri == uri && state.renderedMediaUri == uri
// thumbnail visible while !readyForVideo

Related

  • media3-compose-ui-material3
  • media3-analytics-telemetry
  • streaming-media-architecture

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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