temp

docker/Dockerfile.android

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+FROM mcr.microsoft.com/dotnet/sdk:10.0
+
+# ── Java (required by the Android SDK tools) ─────────────────────────────────
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        openjdk-17-jdk-headless \
+        wget \
+        unzip \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
+ENV ANDROID_HOME=/opt/android-sdk
+ENV ANDROID_SDK_PLATFORM=34
+ENV ANDROID_SDK_BUILD_TOOLS=34.0.0
+
+# ── Android command-line tools ────────────────────────────────────────────────
+# Pin the build number to a known-good release; update when Google breaks the URL.
+# Latest as of 2025: commandlinetools-linux-11076708_latest.zip (cmdline-tools 12.0)
+RUN mkdir -p "${ANDROID_HOME}/cmdline-tools" && \
+    wget -q "https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip" \
+         -O /tmp/cmdtools.zip && \
+    unzip -q /tmp/cmdtools.zip -d "${ANDROID_HOME}/cmdline-tools" && \
+    mv "${ANDROID_HOME}/cmdline-tools/cmdline-tools" "${ANDROID_HOME}/cmdline-tools/latest" && \
+    rm /tmp/cmdtools.zip
+
+ENV PATH="${JAVA_HOME}/bin:${ANDROID_HOME}/cmdline-tools/latest/bin:${ANDROID_HOME}/platform-tools:${PATH}"
+
+# ── Android SDK packages ──────────────────────────────────────────────────────
+RUN yes | sdkmanager --licenses > /dev/null && \
+    sdkmanager \
+        "platform-tools" \
+        "platforms;android-${ANDROID_SDK_PLATFORM}" \
+        "build-tools;${ANDROID_SDK_BUILD_TOOLS}"
+
+# ── dotnet android workload (~1 GB, baked into this layer) ───────────────────
+RUN dotnet workload install android
+
+WORKDIR /tmp/build