Individual skill

play-billing-library-version-upgrade

Use this skill when upgrading or migrating an Android project from any legacy Google Play Billing Library (PBL) version to the latest stable version of PBL.

play/play-billing-library-version-upgrade/SKILL.md

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Last checked: Nov 3, 2026

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Repository stars (not skill ratings): 10,398
Repository last updated: Nov 5, 2026
License: Apache-2.0

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SKILL.mdcore · 5,656 bytes
SKILL.mdcore · 5,656 bytes
references/android/google/play/billing/release-notes.mddoc · 80,434 bytes
references/migration-logic.mddoc · 4,379 bytes
references/version-checklist.mddoc · 3,404 bytes

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## Phase 0: Intent Message

**Reporting Action**: Before proceeding, immediately tell the user: "I will
upgrade Play Billing Library to the latest version."

## Phase 1: Discovery \& Situational Awareness

1. **Primary Check (Build Version)** : Locate the project's billing dependency (e.g., `com.android.billingclient:billing`) in `build.gradle`, `build.gradle.kts`, or `libs.versions.toml`.
2. **Initial Compilation Test**: Attempt to sync and build the project immediately.
3. **Fallback Discovery (Effective Version)** :
   - **Trigger**: Only if the build fails immediately, scan the source code for deprecated artifacts.
   - **Logic** : The presence of deprecated APIs indicates the **"Effective
     Version"** ---defined as the version where those specific APIs were **last
     available**, not when they were introduced.