Madina-S

import okhttp3.internal.closeQuietly
import org.apache.commons.io.IOUtils
import uz.gid.updater.ZipUtil.zipBytes
import java.io.*
import java.nio.file.Files
import java.util.zip.ZipEntry
import java.util.zip.ZipInputStream
import java.util.zip.ZipOutputStream

Madina-S

# 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 *;
}

### RxJava, RxAndroid (https://gist.github.com/kosiara/487868792fbd3214f9c9)
-keep class rx.schedulers.Schedulers {
    public static <methods>;