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| 1 | +ARG NAMESPACE |
| 2 | +ARG PREREQS_TAG |
| 3 | +FROM ${NAMESPACE}/ue4-base-build-prerequisites:${PREREQS_TAG} |
| 4 | + |
| 5 | +# Switch to root to install additional packages |
| 6 | +USER root |
| 7 | + |
| 8 | +# Install Java 17 (required for UE 5.6 Android builds) |
| 9 | +RUN apt-get update && apt-get install -y --no-install-recommends \ |
| 10 | + openjdk-17-jdk \ |
| 11 | + wget \ |
| 12 | + unzip && \ |
| 13 | + rm -rf /var/lib/apt/lists/* |
| 14 | + |
| 15 | +# Set up environment variables for Android SDK/NDK |
| 16 | +# Unreal Engine checks multiple environment variable names, so we set all of them |
| 17 | +ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64 |
| 18 | +ENV ANDROID_HOME=/home/ue4/android-sdk |
| 19 | +ENV ANDROID_SDK_ROOT=/home/ue4/android-sdk |
| 20 | +ENV ANDROID_NDK=/home/ue4/android-sdk/ndk/27.2.12479018 |
| 21 | +ENV ANDROID_NDK_ROOT=/home/ue4/android-sdk/ndk/27.2.12479018 |
| 22 | +ENV NDKROOT=/home/ue4/android-sdk/ndk/27.2.12479018 |
| 23 | +ENV NDK_ROOT=/home/ue4/android-sdk/ndk/27.2.12479018 |
| 24 | +ENV PATH=${PATH}:${ANDROID_HOME}/cmdline-tools/latest/bin:${ANDROID_HOME}/platform-tools |
| 25 | + |
| 26 | +# Switch to ue4 user for SDK installation (to ensure correct permissions) |
| 27 | +USER ue4 |
| 28 | + |
| 29 | +# Download and install Android command-line tools |
| 30 | +RUN mkdir -p ${ANDROID_HOME}/cmdline-tools && \ |
| 31 | + cd ${ANDROID_HOME}/cmdline-tools && \ |
| 32 | + wget -q https://dl.google.com/android/repository/commandlinetools-linux-9477386_latest.zip && \ |
| 33 | + unzip -q commandlinetools-linux-9477386_latest.zip && \ |
| 34 | + rm commandlinetools-linux-9477386_latest.zip && \ |
| 35 | + mv cmdline-tools latest |
| 36 | + |
| 37 | +# Accept licenses and install Android SDK components |
| 38 | +# UE 5.6 requires: API Level 34, Build Tools 34.0.0, NDK r27c (27.2.12479018) |
| 39 | +RUN yes | ${ANDROID_HOME}/cmdline-tools/latest/bin/sdkmanager --licenses && \ |
| 40 | + ${ANDROID_HOME}/cmdline-tools/latest/bin/sdkmanager \ |
| 41 | + "platform-tools" \ |
| 42 | + "platforms;android-34" \ |
| 43 | + "build-tools;34.0.0" \ |
| 44 | + "ndk;27.2.12479018" |
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