Android 16KB Page Size Alignment Checker

Command-line tool to verify 16KB ELF alignment compliance for Android native libraries.

Google Play requires apps targeting Android 15+ (Nov 2025) to support 16KB page sizes.
This script scans APKs or .so files and reports which libraries must be rebuilt.

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Features

• Works with APK, APEX, or library folders
• Detects ELF alignment using objdump
• PASS / FAIL summary
• No Android Studio required
• CI/CD friendly

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Supported OS

• Linux
• macOS
• (Windows via WSL only)

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Requirements

• bash
• objdump
• unzip
• file
• zipalign (optional)

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Usage

bash check_alignment.sh app-release.apk