Open Emergency Handbook — Android preview preview-0.2.11

Android development preview for installation and usability testing.

Download OpenEmergencyHandbook-preview.apk on an Android phone (Android 5.0+). Allow installation from the browser/file manager when Android asks, then open Open Emergency Preview. This APK is debug-signed for testing, not a Play Store production release. If a later build has a different signing identity, uninstalling the old preview may be necessary; that removes local notes.

Included: 30 English and 30 German offline guides, all six disaster scenarios, first-aid/safe-water summaries, category navigation, adjustable reader text, related guides, local search with typo fallback, household checklist, water estimate, notes and explicit text export. No account, subscription, advertising or network permission.

All summaries and translations are unreviewed drafts. Coverage is incomplete. Test the app; do not treat this as a complete or professionally approved survival reference. See About and coverage-report.json for gaps. Follow emergency services and current official instructions.

Checks: content validation, 13 Python tests, Android compilation/lint, and seven emulator tests on Android 6/API 23 and Android 16/API 36 with Wi-Fi/mobile data disabled. Scope: bundled EN/DE articles, search, reader/language switching/recreation, checklist persistence and no INTERNET permission. These checks do not establish medical accuracy or real-world disaster readiness.

Also included: standalone offline HTML handbook, printable English/German PDF handbooks, matching source archive, build commit, checksums, APK identity/signature, dependency tree and emulator screenshot. GPLv3 source and upstream attribution are preserved.

Please test offline reading, search, language switching, large text and saved household data. Give feedback in pull request #1 without posting personal information.