Greg Pomerantz
d82ecf74ac
The A/B/C harness series: sltest (Slint) / egtest (egui) / tttest (Tauri 2 → wry → Android WebView/Chromium). Identical scene to sltest: 8580 full-width rows, 150 px + 2 px divider, alternating colors, virtualized (26-element DOM pool), custom touch drag + exponential-decay fling (sltest decay constant 7.42), rAF-driven frame loop. FR logging: the rAF callback records gap/cost exactly like the Rust harnesses; lines batch (~120) and cross the Tauri event bridge once per second (JNI round trip kept off the per-frame path). Rust side drains to a dedicated writer thread → /sdcard/Android/data/wow.gmp.tttest/files/Documents/fr.log (Tauri document_dir = getExternalFilesDir(DOCUMENTS) — the framework CREATES it; a raw std::fs mkdir of the app's external tree is SELinux-denied on Android 11+). Same FR-line format → fr_capture.py is the referee (its launch check now falls back to the package's LAUNCHER activity via monkey for non-NativeActivity apps). Gotchas learned (see frontend/dist/index.html comments): - touch-action is NOT inherited: touches land on .row, so each row must declare touch-action:none or the WebView claims the pan and cancels the page's drag (only a few px register). - Fling velocity must be a per-EVENT EMA; frame-based tracking dies when touch events sample slower than rAF (adb swipe ≈ 17 Hz). - Drag sign: finger up → offset grows (offset -= finger dy). - Tauri v2 'brownfield' is the NORMAL direct-IPC mode (not an app-provides-content mode); the mobile schema rejects security.pattern entirely. - Custom #[tauri::command]s hit the two-pass app-command ACL chicken-and-egg; the core:default event bridge avoids it. - Rust log output needs a logcat backend (log/std + __android_log_write) or it is invisible. Emulator (60 Hz, scripted swipes): 1319 frames, median 16.70 ms, 5 isolated drops (0.38%), all at swipe-injection moments, render cost med 2 ms. aarch64 phone build compiles (11 MB APK); phone testing pending (personal-device policy). Build: harnesses/tttest/scripts/build.sh [x86_64|aarch64] — cargo-tauri CLI (v2.12.4, prebuilt) drives the gradle build; signed with the debug keystore.
42 lines
1.4 KiB
Bash
Executable File
42 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# tttest build: Tauri v2 scroll-jank testbed (sltest port).
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#
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# ./scripts/build.sh # aarch64 (phone)
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# ./scripts/build.sh x86_64 # emulator
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# ADB_SERIAL=<s> ./scripts/build.sh # install target
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#
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# Output: /tmp/tttest/<abi>-release.apk (signed with the debug keystore).
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set -euo pipefail
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cd "$(dirname "$0")/.."
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ABI="${1:-aarch64}"
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case "$ABI" in
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aarch64|x86_64|armv7|i686) ;;
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*) echo "unknown ABI: $ABI" >&2; exit 2 ;;
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esac
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export ANDROID_HOME="${ANDROID_HOME:-$HOME/android-sdk}"
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export ANDROID_SDK_ROOT="$ANDROID_HOME"
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cargo tauri android build --target "$ABI"
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SRC=gen/android/app/build/outputs/apk/universal/release/app-universal-release-unsigned.apk
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[ -f "$SRC" ] || { echo "APK not found at $SRC" >&2; exit 1; }
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OUT=/tmp/tttest
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mkdir -p "$OUT"
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cp "$SRC" "$OUT/tttest-$ABI-unsigned.apk"
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KEYSTORE="${KEYSTORE:-$HOME/.android/debug.keystore}"
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APKSIGNER="$ANDROID_HOME/build-tools/35.0.0/apksigner"
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"$APKSIGNER" sign --ks "$KEYSTORE" --ks-key-alias androiddebugkey \
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--ks-pass pass:android --key-pass pass:android \
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--out "$OUT/tttest-$ABI-release.apk" "$OUT/tttest-$ABI-unsigned.apk"
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echo "APK: $OUT/tttest-$ABI-release.apk ($(du -h "$OUT/tttest-$ABI-release.apk" | cut -f1))"
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if [ -n "${ADB_SERIAL:-}" ]; then
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adb -s "$ADB_SERIAL" install -r "$OUT/tttest-$ABI-release.apk"
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adb -s "$ADB_SERIAL" shell am force-stop wow.gmp.tttest
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adb -s "$ADB_SERIAL" shell am start -n wow.gmp.tttest/.MainActivity
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fi
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