fix: proguard (#590)

Author: zaneschepke

app/fdroid-rules.pro

@@ -4,5 +4,25 @@
     <fields>;
 }
 
+# Keep all classes in the org.xbill.DNS package and subpackages
+-keep class org.xbill.DNS.** { *; }
+-dontwarn org.xbill.DNS.**
+
+# Preserve JNA classes if used (e.g., for IPHlpAPI on Windows)
 -keep class com.sun.jna.** { *; }
 -dontwarn com.sun.jna.**
+
+# Keep DNS resolver configuration classes that might be loaded dynamically
+-keep class org.xbill.DNS.config.** { *; }
+-dontwarn org.xbill.DNS.config.**
+
+-keep class org.xbill.DNS.** { *; }
+
+# Prevent optimization issues with native or reflection-based calls
+-dontoptimize
+-dontshrink
+# Uncomment the above if errors persist, but use sparingly as they’re broad
+
+# Suppress warnings about missing classes if not all features are used
+-dontwarn java.lang.management.**
+-dontwarn sun.nio.ch.**

app/proguard-rules.pro

@@ -23,5 +23,25 @@
     <fields>;
 }
 
+# Keep all classes in the org.xbill.DNS package and subpackages
+-keep class org.xbill.DNS.** { *; }
+-dontwarn org.xbill.DNS.**
+
+# Preserve JNA classes if used (e.g., for IPHlpAPI on Windows)
 -keep class com.sun.jna.** { *; }
 -dontwarn com.sun.jna.**
+
+# Keep DNS resolver configuration classes that might be loaded dynamically
+-keep class org.xbill.DNS.config.** { *; }
+-dontwarn org.xbill.DNS.config.**
+
+-keep class org.xbill.DNS.** { *; }
+
+# Prevent optimization issues with native or reflection-based calls
+-dontoptimize
+-dontshrink
+# Uncomment the above if errors persist, but use sparingly as they’re broad
+
+# Suppress warnings about missing classes if not all features are used
+-dontwarn java.lang.management.**
+-dontwarn sun.nio.ch.**