Initial commit

scripts/emulator-monitoring.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+set -e
+
+# Writes a log with a key and a value
+# as a JSON object on the standard output.
+function write_log() {
+  echo "{ \"type\": \"$1\", \"value\": \"$2\" }"
+}
+
+# Writes a state update on the standard output.
+function update_state() {
+  write_log "state-update" "$1"
+}
+
+# Waits for the emulator to boot and writes
+# state updates on the standard output.
+function wait_for_boot() {
+  update_state "booting"
+
+  # Waiting for the ADB server to start.
+  while [ -n "$(adb wait-for-device > /dev/null)" ]; do
+    adb wait-for-device
+    sleep 1
+  done
+  
+  # Waiting for the boot sequence to be completed.
+  COMPLETED=$(adb shell getprop sys.boot_completed | tr -d '\r')
+  while [ "$COMPLETED" != "1" ]; do
+    COMPLETED=$(adb shell getprop sys.boot_completed | tr -d '\r')
+    sleep 5
+  done
+  update_state "booted"
+}

scripts/install-sdk.sh

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+# If the installation flag of the Android SDK is set
+# we download the Android command-line tools,
+# install the SDK, platform tools and the emulator.
+if [ "$INSTALL_ANDROID_SDK" == "1" ]; then
+  echo "Installing the Android SDK, platform tools and emulator ..."
+  wget https://dl.google.com/android/repository/commandlinetools-linux-${CMD_LINE_VERSION}.zip -P /tmp && \
+  mkdir -p $ANDROID_SDK_ROOT/cmdline-tools/ && \
+  unzip -d $ANDROID_SDK_ROOT/cmdline-tools/ /tmp/commandlinetools-linux-${CMD_LINE_VERSION}.zip && \
+  mv $ANDROID_SDK_ROOT/cmdline-tools/cmdline-tools/ $ANDROID_SDK_ROOT/cmdline-tools/tools/ && \
+  rm /tmp/commandlinetools-linux-${CMD_LINE_VERSION}.zip && \
+  yes | sdkmanager --licenses && \
+  sdkmanager --install "$PACKAGE_PATH" && \
+  yes | sdkmanager --verbose $PACKAGE_PATH $ANDROID_PLATFORM_VERSION platform-tools emulator
+fi

scripts/start-emulator.sh

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+#!/bin/bash
+
+set -e
+
+source ./emulator-monitoring.sh
+
+# The emulator console port. 
+EMULATOR_CONSOLE_PORT=5554
+# The ADB port used to connect to ADB.
+ADB_PORT=5555
+
+# Start ADB server by listening on all interfaces.
+echo "Starting the ADB server ..."
+adb -a -P 5037 server nodaemon &
+
+# Detect ip and forward ADB ports outside to outside interface
+ip=$(ip addr list eth0 | grep "inet " | cut -d' ' -f6 | cut -d/ -f1)
+redir --laddr=$ip --lport=$EMULATOR_CONSOLE_PORT --caddr=127.0.0.1 --cport=$EMULATOR_CONSOLE_PORT &
+redir --laddr=$ip --lport=$ADB_PORT --caddr=127.0.0.1 --cport=$ADB_PORT &
+
+export USER=root
+
+# Creating the Android Virtual Emulator.
+echo "Creating the Android Virtual Emulator ..."
+echo no | avdmanager create avd -n android --abi ${ABI} -k "$PACKAGE_PATH" --device "pixel"
+
+# Asynchronously write updates on the standard output
+# about the state of the boot sequence.
+#cat ~/.android/avd/android.avd/config.ini
+wait_for_boot &
+
+# Start the emulator with no audio, no GUI, and no snapshots.
+echo "Starting the emulator ..."
+if emulator \
+  -avd android \
+  -noaudio \
+  -no-boot-anim \
+  -no-window \
+  -no-snapshot-save \
+  -qemu \
+  -enable-kvm;
+then
+  update_state "stopped"
+else 
+  update_state "stopped"
+fi