ProGuard file

build.gradle

apply plugin: 'com.android.application'

android {
    signingConfigs {
        config {
            keyAlias 'PubNub'
            keyPassword '123456'
            storeFile file('C:/temp/pubnubKeyStore.jks')
            storePassword '123456'
        }
    }
    compileSdkVersion 25
    buildToolsVersion "25.0.1"
    packagingOptions {
        pickFirst 'META-INF/ASL2.0'
        pickFirst 'META-INF/LICENSE'
        pickFirst 'META-INF/NOTICE'
    }
    defaultConfig {
        applicationId "com.example.pubnubandroid"
        minSdkVersion 15
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            signingConfig signingConfigs.config
        }
        debug {
            minifyEnabled true
            shrinkResources true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    productFlavors {
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:25.0.1'
    compile group: 'com.pubnub', name: 'pubnub-gson', version: '4.5.0'
}

proguard-rules.pro

-keepattributes Exceptions, InnerClasses, Signature, Deprecated, SourceFile, LineNumberTable, *Annotation*, EnclosingMethod




-keep class com.google.android.gms.ads.identifier.** { *; }

# joda time
-keep class org.joda.time.** { *; }
-dontwarn org.joda.time.**

# jackson
-keepnames class com.fasterxml.jackson.** { *; }
-dontwarn com.fasterxml.jackson.databind.**
-keep class org.codehaus.**
-keepclassmembers public final enum
org.codehaus.jackson.annotate.JsonAutoDetect$Visibility { public
static final org.codehaus.jackson.annotate.JsonAutoDetect$Visibility
*; }


# gson
-keep class sun.misc.Unsafe { *; }
-keep class com.google.gson.examples.android.model.** { *; }

-dontwarn okhttp3.**
-dontwarn okio.**

# Retrofit 2.X
## https://square.github.io/retrofit/ ##
-dontwarn retrofit2.**
-keep class retrofit2.** { *; }
-keepclasseswithmembers class * {
@retrofit2.http.* <methods>;
}

# Twilio Video SDK
-keep class org.webrtc.** { *; }
-keep class com.twilio.video.** { *; }

# Pubnub
#-dontwarn com.pubnub.**
#-keep class com.pubnub.** { *; }