Add full offline Android Gradle Plugin dependency cache

tauri_app/docker/build-android-apk.sh

@@ -44,7 +44,10 @@ npm run android:init -- --ci || npm run android:init
 echo "==> Настройка репозиториев Gradle (Google Maven + локальный кэш AGP)"
 /workspace/tauri_app/docker/patch-android-gradle-repos.sh /workspace/tauri_app/src-tauri/gen/android
 
-echo "==> Сборка Android APK (AGP из шаблона Tauri, без принудительного даунгрейда)"
+echo "==> Настройка Android SDK (offline, без загрузки platform из Google)"
+/workspace/tauri_app/docker/patch-android-sdk.sh /workspace/tauri_app/src-tauri/gen/android
+
+echo "==> Сборка Android APK"
 npm run tauri -- android build --apk
 
 APK_PATH="$(find /workspace/tauri_app/src-tauri/gen/android -type f -name '*.apk' | sort | tail -n 1 || true)"

tauri_app/docker/patch-android-sdk.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+# Align Tauri Android project with locally installed SDK (offline builds).
+set -euo pipefail
+
+ANDROID_GEN="${1:-/workspace/tauri_app/src-tauri/gen/android}"
+ANDROID_HOME="${ANDROID_HOME:-/opt/android-sdk}"
+ANDROID_SDK_ROOT="${ANDROID_SDK_ROOT:-${ANDROID_HOME}}"
+
+if [ ! -d "${ANDROID_GEN}" ]; then
+  echo "Android project not found: ${ANDROID_GEN}" >&2
+  exit 1
+fi
+
+if [ ! -d "${ANDROID_HOME}/platforms" ] && [ -d /opt/android-sdk-linux/platforms ]; then
+  ANDROID_HOME="/opt/android-sdk-linux"
+  ANDROID_SDK_ROOT="${ANDROID_HOME}"
+fi
+
+if [ ! -d "${ANDROID_HOME}/platforms" ]; then
+  echo "Android platforms not found in ${ANDROID_HOME}/platforms" >&2
+  exit 1
+fi
+
+SDK_LEVEL="$(
+  find "${ANDROID_HOME}/platforms" -mindepth 1 -maxdepth 1 -type d -name 'android-*' \
+    | sed 's|.*/android-||' \
+    | sort -n \
+    | tail -n 1
+)"
+
+if [ -z "${SDK_LEVEL}" ]; then
+  echo "Не удалось определить установленный Android SDK platform" >&2
+  exit 1
+fi
+
+APP_BUILD="${ANDROID_GEN}/app/build.gradle.kts"
+if [ -f "${APP_BUILD}" ]; then
+  sed -i -E "s/compileSdk = [0-9]+/compileSdk = ${SDK_LEVEL}/g" "${APP_BUILD}"
+  sed -i -E "s/targetSdk = [0-9]+/targetSdk = ${SDK_LEVEL}/g" "${APP_BUILD}"
+fi
+
+GRADLE_PROPS="${ANDROID_GEN}/gradle.properties"
+touch "${GRADLE_PROPS}"
+if ! grep -q '^android.builder.sdkDownload=' "${GRADLE_PROPS}"; then
+  printf '\n# Offline / isolated network: do not download SDK packages from Google\nandroid.builder.sdkDownload=false\n' >> "${GRADLE_PROPS}"
+else
+  sed -i 's/^android.builder.sdkDownload=.*/android.builder.sdkDownload=false/' "${GRADLE_PROPS}"
+fi
+
+cat > "${ANDROID_GEN}/local.properties" <<EOF
+## Autogenerated for offline Docker build. Do not commit.
+sdk.dir=${ANDROID_HOME}
+EOF
+
+echo "==> Android SDK patched: compileSdk/targetSdk=${SDK_LEVEL}, sdk.dir=${ANDROID_HOME}, sdkDownload=false"

tauri_app/docker/verify-offline-agp.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# Validate bundled Android Gradle Plugin cache inside the Docker image.
+set -euo pipefail
+
+AGP_VERSION="${ANDROID_GRADLE_PLUGIN_VERSION:-8.11.0}"
+LOCAL_REPO="${ANDROID_AGP_LOCAL_REPO:-/opt/android-agp-maven}"
+BUNDLED_REPO="${ANDROID_AGP_BUNDLED_REPO:-/workspace/tauri_app/docker/offline-maven}"
+
+required=(
+  "${LOCAL_REPO}/com/android/tools/build/gradle/${AGP_VERSION}/gradle-${AGP_VERSION}.jar"
+  "${LOCAL_REPO}/com/android/tools/build/builder/${AGP_VERSION}/builder-${AGP_VERSION}.pom"
+  "${LOCAL_REPO}/com/android/tools/build/builder-model/${AGP_VERSION}/builder-model-${AGP_VERSION}.pom"
+  "${LOCAL_REPO}/com/android/tools/build/gradle-api/${AGP_VERSION}/gradle-api-${AGP_VERSION}.pom"
+)
+
+for file in "${required[@]}"; do
+  if [ ! -f "${file}" ]; then
+    echo "Неполный offline-кэш AGP, отсутствует: ${file}" >&2
+    exit 1
+  fi
+done
+
+echo "==> Offline AGP ${AGP_VERSION} validated in ${LOCAL_REPO}"
+
+if [ -d "${BUNDLED_REPO}" ]; then
+  rm -rf "${BUNDLED_REPO}"
+  echo "==> Удалён дубликат offline-кэша из ${BUNDLED_REPO} (экономия места в образе)"
+fi