Update proguard setting

Keep all names execpt com.devgrapher.ocebook package.

Author: devgrapher

OCEBook/app/build_stable.gradle

@@ -37,6 +37,7 @@ android {
         }
         release {
             minifyEnabled = true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
 }

OCEBook/app/proguard-rules.pro

@@ -12,6 +12,28 @@
 # If your project uses WebView with JS, uncomment the following
 # and specify the fully qualified class name to the JavaScript interface
 # class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
+-keepclassmembers class com.devgrapher.ocebook.readium.ReadiumContext.JsInterface {
+   public *;
+}
+
+-keepnames class com.koushikdutta.async.** { *; }
+-keep class com.koushikdutta.async.* { *;}
+
+-dontwarn android.support.v4.**
+-keepnames class android.support.v4.** { *; }
+-keep class android.support.v4.* { *; }
+
+-dontwarn android.support.v7.**
+-keepnames class android.support.v7.** { *; }
+-keep class android.support.v7.* { *; }
+
+-keepnames class org.** { *; }
+-keep class org.** { *; }
+
+-keepclassmembers class *.R$ {
+public static *;
+}
+
+-keep class *.R$
+
+-keepattributes Annotation