Added android library proguard to project

Author: Vinayaga Sundar

debug-db/proguard-rules.pro

@@ -15,3 +15,61 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+
+-keepparameternames
+-renamesourcefileattribute SourceFile
+-keepattributes Exceptions,InnerClasses,Signature,Deprecated,SourceFile,LineNumberTable,EnclosingMethod
+
+# Preserve all annotations.
+
+-keepattributes *Annotation*
+
+# Preserve all public classes, and their public and protected fields and
+# methods.
+
+-keep public class * {
+    public protected *;
+}
+
+# Preserve all .class method names.
+
+-keepclassmembernames class * {
+    java.lang.Class class$(java.lang.String);
+    java.lang.Class class$(java.lang.String, boolean);
+}
+
+# Preserve all native method names and the names of their classes.
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+# Preserve the special static methods that are required in all enumeration
+# classes.
+
+-keepclassmembers class * extends java.lang.Enum {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+# Explicitly preserve all serialization members. The Serializable interface
+# is only a marker interface, so it wouldn't save them.
+# You can comment this out if your library doesn't use serialization.
+# If your code contains serializable classes that have to be backward
+# compatible, please refer to the manual.
+
+-keepclassmembers class * implements java.io.Serializable {
+    static final long serialVersionUID;
+    static final java.io.ObjectStreamField[] serialPersistentFields;
+    private void writeObject(java.io.ObjectOutputStream);
+    private void readObject(java.io.ObjectInputStream);
+    java.lang.Object writeReplace();
+    java.lang.Object readResolve();
+}
+
+# Your library may contain more items that need to be preserved;
+# typically classes that are dynamically created using Class.forName:
+
+# -keep public class mypackage.MyClass
+# -keep public interface mypackage.MyInterface
+# -keep public class * implements mypackage.MyInterface