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cometchat-android-v5-calls-sdk

Add voice & video calling to any Android app FROM SCRATCH with the headless CometChat Calls SDK v5 (`com.cometchat:calls-sdk-android:5.0.4`) — no UI Kit. Kotlin: initFromSettings→login→generateToken→joinSession into a RelativeLayout, lifecycle-bound listeners, meet-style session rooms AND 1:1 ringing (Chat SDK v5 signaling + Calls SDK media), call logs, layouts, audio modes, recording, PiP, background service. Triggers: 'add calling from scratch android', 'standalone video call kotlin', 'headless calls sdk android', 'build my own call UI android', 'meeting room join by session id android', 'one-on-one ringing call without uikit android'.

plugins/cometchat/cometchat-skills/skills/cometchat-android-v5-calls-sdk/SKILL.md

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Nov 4, 2026

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1,532
Repository last updated
Nov 6, 2026
License
Apache-2.0

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> **Ground truth:** `com.cometchat:calls-sdk-android:5.0.4` + catalog `android-calls-v5.json` (the CLOSED list, `javap`-verified on the installed AAR). Docs: `/calls/android/**` = **v5** · Docs MCP. Fetch builder options, callback lists and filters from the docs (`references/docs-map.md`) — never memory. ⚠<U+FE0F> Where docs and AAR disagree, **the AAR wins** (drift list in `references/pitfalls.md`). **APPEND to the user's app — additive wiring only** (`RULES.md`). HEADLESS path (no UI Kit); for the prebuilt call UI use `cometchat-android-v6-calls`.

## Companion skills (read first)
- **Standalone/headless entry** — owns its own artifact (the Calls SDK), no `-core` sibling.
- **1:1 RINGING only** also drives the **Chat SDK** (`com.cometchat:chat-sdk-android:5.0.5`) for signaling — `references/ringing.md`; deeper Chat-SDK usage: `cometchat-android-v5-sdk`.
- **Prefer the UI Kit?** Chat + a prebuilt call UI ⇒ `cometchat-android-v6-core` + `cometchat-android-v6-calls`, not this skill.

## Use this skill when
"add calling from scratch / without the UI Kit", "standalone voice/video on Android", "build my own call screen", "headless calls SDK", "meeting room join by session id", "one-on-one ringing call". Precondition: the caller chose the **from-scratch / standalone** path (prebuilt call UI ⇒ see Companion skills).

## Prerequisites & install
```kotlin
// settings.gradle(.kts) → dependencyResolutionManagement.repositories
maven("https://dl.cloudsmith.io/public/cometchat/cometchat/maven/")