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cometchat-flutter-v5-sdk

Add voice & video calling to any Flutter app FROM SCRATCH with the headless CometChat Calls SDK v5 (`cometchat_calls_sdk`, pub.dev) — no UI Kit. init→login→generateCallToken→joinSession, which hands back a Flutter `Widget?` you mount in your tree; CallSession listeners, in-call actions (mute/video/layout/record/PiP/raise-hand), meet-style session rooms AND 1:1 ringing (Chat SDK signaling + Calls SDK media). Triggers: 'add calling from scratch flutter', 'standalone video call dart', 'headless calls sdk flutter', 'build my own call screen flutter', 'meeting room join by session id flutter', 'one-on-one ringing call without uikit flutter'.

plugins/cometchat/cometchat-skills/skills/cometchat-flutter-v5-sdk/SKILL.md

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Nov 6, 2026
License
Apache-2.0

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> **Ground truth:** `cometchat_calls_sdk` **5.0.7 from pub.dev** + catalog `flutter-calls-v5.json` (the closed symbol list — 59 COMPILER-VERIFIED symbols; every type below is in it). Catalog built from the PUBLISHED package; at 5.0.7 it matches the `calls-core` monorepo exactly — but **never infer that from a version string** (`references/docs-map.md` § "Upstream"). Official docs: `/calls/flutter/**` = **v5** · Docs MCP. Fetch exact `SessionSettings` fields, event names and signatures from the docs (`references/docs-map.md`) — never memory. **⚠<U+FE0F> The live pages carry ~56 symbols that DO NOT COMPILE, including the entire documented token flow — see "Doc corrections" below; prefer THIS skill's names over the page's.** **APPEND to the user's app — additive wiring only.** This is the HEADLESS path (no UI Kit); for the prebuilt drop-in call UI use `cometchat-flutter-v6-calls` instead.

## Companion skills (read first)
- **Standalone/headless entry** — this skill owns its own package (the Calls SDK) and has no `-core` sibling; self-contained for meet-style calling.
- **For 1:1 RINGING only** it also drives the **Chat SDK** (`cometchat_sdk` v5) for signaling — signatures fetched via `references/docs-map.md` (§ "1:1 RINGING"). It does NOT depend on the Flutter UI Kit.
- **Prefer the UI Kit instead?** If the app also wants chat and a prebuilt call UI, use `cometchat-flutter-v6-core` + `cometchat-flutter-v6-calls` — not this skill.

## Use this skill when
"add calling from scratch / without the UI Kit", "standalone voice/video on Flutter", "build my own call screen", "headless calls SDK", "meeting-room join by session id", "one-on-one ringing". Precondition: the caller chose the **from-scratch / standalone** path (the "add calling" router asks this). If they want the prebuilt call UI, route to `cometchat-flutter-v6-calls`.

## Prerequisites & install
```yaml
# pubspec.yaml
dependencies: