android-emulator entrypoint

imags/android-emulator/Containerfile

@@ -16,9 +16,11 @@ RUN apt-get update \
   && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
     # emulator
     libx11-6 libxi6 libxkbfile1 \
+    socat \
     # libx11-6 libpulse0 libdrm2 libxi6 libxkbfile1 \
     # libncurses5:i386 libc6:i386 libstdc++6:i386 lib32gcc-s1 lib32ncurses6 lib32z1 zlib1g:i386 \
-  && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+  && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
+  && chmod 777 /var/log
 #COPY --from=androidsdk --chown=$UID:$GID /home/user/Android /home/user/Android
 #COPY --from=androidsdk --chown=$UID:$GID /home/user/.gradle /home/user/.gradle
 #COPY --from=androidsdk --chown=$UID:$GID /home/user/.java /home/user/.java
@@ -43,6 +45,7 @@ ENV ANDROID_SDK_ROOT=/home/user/Android/Sdk
 ARG UID=1000
 ARG GID=1000
 
+COPY docker-entrypoint.sh /usr/bin/docker-entrypoint.sh
 USER $UID:$GID
 WORKDIR /home/user
 
@@ -54,5 +57,4 @@ ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-${TARGETARCH}
 ENV PATH="/home/user/Android/Sdk/emulator:$PATH"
 
 WORKDIR /home/user
-ENTRYPOINT ["/home/user/Android/Sdk/emulator/emulator"]
-CMD ["-avd", "default", "-no-window", "-gpu", "off", "-no-audio"]
+ENTRYPOINT ["/usr/bin/docker-entrypoint.sh"]

imags/android-emulator/docker-entrypoint.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+## forward console port 5554 as external 5556
+sh -c 'sleep 1; while true; do socat -d -lf /var/log/socat-5554.log TCP4-LISTEN:5556 tcp4:127.0.0.1:5554; sleep 0.01; done' &
+# forward adb port 5555 as external 5557
+sh -c 'sleep 1; while true; do socat -d -lf /var/log/socat-5555.log TCP4-LISTEN:5557 tcp4:127.0.0.1:5555; sleep 0.01; done' &
+
+/home/user/Android/Sdk/emulator/emulator \
+  -avd default \
+  -no-window \
+  -gpu off \
+  -no-audio \
+  ${@}
+