A script to patch the legacy Android SDK Tools to work on modern Java versions.

sdkmanager-java-patch.sh

#!/bin/sh

# Patches the legacy Android SDK Tools to work on modern Java versions.
# Inspired by https://stackoverflow.com/a/55982976.

if (( "$(uname)" == "Darwin" )); then
  [[ "$(command -v gsed)" ]] || { echo "gsed is required!" 1>&2 ; exit 1; }
  SED_CMD=gsed
else
  [[ "$(command -v sed)" ]] || { echo "sed is required!" 1>&2 ; exit 1; }
  SED_CMD=sed
fi

LIB_DIR=jaxb_lib
[ -d $LIB_DIR ] || mkdir $LIB_DIR
[[ -a $LIB_DIR/activation.jar ]] || { WGETS="wget https://repo1.maven.org/maven2/javax/activation/activation/1.1.1/activation-1.1.1.jar -O $LIB_DIR/activtion.jar"; }
[[ -a $LIB_DIR/jaxb-api.jar ]] || { WGETS="$WGETS; wget https://repo1.maven.org/maven2/javax/xml/bind/jaxb-api/2.3.1/jaxb-api-2.3.1.jar -O $LIB_DIR/jaxb-api.jar"; }
[[ -a $LIB_DIR/jaxb-core.jar ]] || { WGETS="$WGETS; wget https://repo1.maven.org/maven2/org/glassfish/jaxb/jaxb-core/2.3.0.1/jaxb-core-2.3.0.1.jar -O $LIB_DIR/jaxb-core.jar"; }
[[ -a $LIB_DIR/jaxb-impl.jar ]] || { WGETS="$WGETS; wget https://repo1.maven.org/maven2/com/sun/xml/bind/jaxb-impl/2.3.4/jaxb-impl-2.3.4.jar -O $LIB_DIR/jaxb-impl.jar"; }
[[ -a $LIB_DIR/jaxb-xjc.jar ]] || { WGETS="$WGETS; wget https://repo1.maven.org/maven2/com/sun/xml/bind/jaxb-xjc/2.3.4/jaxb-xjc-2.3.4.jar -O $LIB_DIR/jaxb-xjc.jar"; }
[[ -a $LIB_DIR/jaxb-jxc.jar ]] || { WGETS="$WGETS; wget https://repo1.maven.org/maven2/org/glassfish/jaxb/jaxb-jxc/2.3.4/jaxb-jxc-2.3.4.jar -O $LIB_DIR/jaxb-jxc.jar"; }
eval $WGETS

$SED_CMD -ie 's%^CLASSPATH=.*%\0:$APP_HOME/'"$LIB_DIR"'/*%' bin/sdkmanager bin/avdmanager