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Configure ProGuard Rules to Enable Obfuscation

Follow these steps to configure ProGuard rules that enable obfuscation.
  1. To enable obfuscation for any of your build types, define the setting in the relevant
    build.gradle
     file for your app.
    buildTypes {
    release {
        isMinifyEnabled = true
        proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
    }
}
  2. If you are using ProGuard as an obfuscation tool in your app, add these rules to the
    proguard-rules.pro
     file.
    # Jackson
-keep class com.fasterxml.** { *; }
-dontwarn com.fasterxml.**

# Bolts
-keep class bolts.** { *; }
-dontwarn bolts.**

# Couchbase
-keep class com.couchbase.** { *; }
-dontwarn com.couchbase.**

# OkHttp
-keepattributes Signature
-keepattributes *Annotation*
-dontwarn com.squareup.okhttp.**
-keep class com.squareup.okhttp.* { *; }
-dontwarn okio.**

# Otto
-keepclassmembers class ** {
    @com.squareup.otto.Subscribe public *;
    @com.squareup.otto.Produce public *;
}
 
# Acceptance Devices
-keep class io.mpos.** { *; }
-dontwarn io.mpos.**

#PAX
-dontwarn com.pax.**
-keep class com.pax.** { *; }