Run jnigen on Android SDK bump (#3083)

* Add script to regenerate Dart JNI bindings during Android SDK update

Co-authored-by: giancarlo.buenaflor <[email protected]>

* Remove unnecessary comments from JNI bindings generation script

Co-authored-by: giancarlo.buenaflor <[email protected]>

* Update generate-jni-bindings.sh

* Update update-android.sh

---------

Co-authored-by: Cursor Agent <[email protected]>

Author: buenaflor

flutter/scripts/generate-jni-bindings.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ -n ${CI:+x} ]]; then
+    echo "Running in CI – setting up Flutter SDK first"
+    # Note: keep version in sync with other binding generation scripts.
+    curl -Lv https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_3.27.3-stable.tar.xz --output /tmp/flutter.tar.xz
+    tar xf /tmp/flutter.tar.xz -C /tmp
+    export PATH="/tmp/flutter/bin:$PATH"
+    which flutter
+    flutter --version
+fi
+
+# Move to the Flutter package root (…/flutter).
+cd "$(dirname "$0")/../"
+
+binding_path="lib/src/native/java/binding.dart"
+
+# Regenerate the bindings.
+dart run jnigen --config ffi-jni.yaml
+
+# Format the generated code so that it passes CI linters.
+dart format "$binding_path"

flutter/scripts/update-android.sh

@@ -20,6 +20,8 @@ get-repo)
 set-version)
     newValue="${BASH_REMATCH[1]}$2"
     echo "${content/${BASH_REMATCH[0]}/$newValue}" >$file
+    # Regenerate Dart JNI bindings so they stay in sync with the updated Android SDK version.
+    ../scripts/generate-jni-bindings.sh "$2"
     ;;
 *)
     echo "Unknown argument $1"