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Same webview_* Ring C-API as desktop, backed by android.webkit.WebView over JNI. Package io.github.ysdragon.webview. UI thread owns the WebView and only enqueues; worker thread owns the Ring VM and runs the job queue. g_on* names are worker-only; JNI enqueues raw events. Flags are C11 atomics; queue bounded at 4096. Rotation re-attaches and re-pushes shim+scripts; renderer crash rebuilds the view and reloads. Single instance per process.
Adds CMake target for ring_webview_android when building for Android, linking against android, log, and yyjson libraries.
Notes app with glassmorphism mobile UI: add/edit/pin/delete/search, file-backed persistence, bridge driven by native onDomReady. Includes ring2apk config, Java/C sources, README, and screenshot.
Update README to include Android in cross-platform features list, add collapsible Android setup section, and document Nota example app.
ysdragon
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Sep 5, 2026
Android WebView backend + Nota example
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What I did
I ported the same
webview_*Ring C-API to Android, backed byandroid.webkit.WebViewthrough JNI — onemain.ringruns on desktop andAndroid via ring2apk. Package
io.github.ysdragon.webview.src/c_src/ring_webview_android.c+src/android/…/MainActivity.java+proguard-webview.pro. Desktop andAndroid builds are mutually exclusive in CMake.
owns the Ring VM behind a bounded (4096) condvar-gated queue. JNI
enqueues raw events,
g_on*callbacks are worker-only, lifecycle flagsare C11 atomics. Stale
wreturns drop instead of crashing.rebuilds the view and reloads the last HTML/URL — poison pages stop after
3 crashes in 10s. Single instance per process.
examples/android/— add/edit/pin/delete/search, file persistence, glassmorphism UI, bridge driven by native
onDomReady(no polling).ring2apk 1.1.0dependency, example + backend inpackage.ring, version bumped to 1.6.0 with a1.5.2versions entry,docs/ANDROID.mdstarter guide, Android sections + device screenshot inthe READMEs.
Nothing here breaks the API — it's additive over
dev. The 1.6.0 numbercomes from the yyjson bridge break already in
dev, not from this branch.Tested (device, arm64)
examples/android/ring/fulltest.ring— 20/0, zero JS console errors.files/notes.db); rotation keeps state;idle-kill restores content.
-Wall -Werrorclean,javacclean, Java mirrors in sync.