updated java version

build.sh

@@ -4,11 +4,18 @@
 
 # Check for a build mode argument
 
-export JAVA_HOME="/usr/lib/jvm/java-21-openjdk"
+echo "Find Java and Android SDK paths"
+
+echo "JAVA_HOME before: $JAVA_HOME"
+echo "Finding javac path... $(which javac)"
+
+
+export JAVA_HOME=$(dirname $(dirname $(readlink -f $(which javac))))
 export ANDROID_HOME='/opt/android-sdk'
 export PATH="${PATH}:${ANDROID_HOME}/cmdline-tools/latest/bin"
 export PATH="${PATH}:${ANDROID_HOME}/platform-tools"
 
+
 if [ "$1" == "clean" ]; then
     BUILD_MODE="clean build"
     BUILD_LOGGING=""