 in build.gradle. # # For more details, see #   http://developer.android.com/guide/developing/tools/proguard.html  # 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 *; #}  # 