From 0f8c0b4f97fa9d6f085bf8c7979b7b2caaeedeab Mon Sep 17 00:00:00 2001
From: PJ <ipriyanshujain@gmail.com>
Date: Tue, 9 Jun 2026 20:27:04 +0530
Subject: [PATCH] feat(conformance): prep physical android device
 (autofill/verifier/stayon)

---
 conformance/gates.sh    | 12 +++++++++++-
 examples/folio/justfile |  7 +++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/conformance/gates.sh b/conformance/gates.sh
index 54d42d5..0738b0b 100755
--- a/conformance/gates.sh
+++ b/conformance/gates.sh
@@ -284,8 +284,18 @@ collect_run_artifacts() {
 
 run_gates() {
   if [[ "$BACKEND" == "android" ]]; then
+    # Build only; invoke_sanderling reinstalls per run via adb (gradle's ddmlib
+    # install is flaky on some physical devices).
     echo "preparing folio android build"
-    ( cd "$folio_directory" && ANDROID_DEVICE="$ANDROID_DEVICE" just install >/dev/null )
+    ( cd "$folio_directory" && just build >/dev/null )
+    # A physical device, unlike an emulator, lets system UI steal the foreground
+    # from the app the fuzzer is exploring. Keep the screen on so it never
+    # re-locks, silence the autofill save-password prompt that pops over the
+    # login form, and stop Play Protect from intercepting the per-run reinstall.
+    # The device must already be unlocked (a secure lock cannot be opened here).
+    adb_target shell svc power stayon true >/dev/null 2>&1 || true
+    adb_target shell settings put secure autofill_service null >/dev/null 2>&1 || true
+    adb_target shell settings put global verifier_verify_adb_installs 0 >/dev/null 2>&1 || true
   elif [[ "$BACKEND" == "simulator" ]]; then
     echo "preparing folio build for the simulator backend"
     ( cd "$folio_directory" && just ios >/dev/null )
diff --git a/examples/folio/justfile b/examples/folio/justfile
index 9617ecb..a9b97a4 100644
--- a/examples/folio/justfile
+++ b/examples/folio/justfile
@@ -78,6 +78,13 @@ _ensure-device:
     echo "emulator did not finish booting in time (see /tmp/folio-emulator.log)" >&2
     exit 1
 
+# Build the folio debug APK without installing it.
+build:
+    #!/usr/bin/env bash
+    set -euo pipefail
+    export ANDROID_HOME="$(just _android-home)"
+    ./gradlew :app:androidApp:assembleDebug
+
 # Build and install the folio APK on a running emulator/device.
 install: _ensure-device
     #!/usr/bin/env bash