-keepattributes SourceFile,LineNumberTable

-keep class com.inmobi.** { *; }
-dontwarn com.inmobi.**

-keep class com.google.android.gms.ads.identifier.AdvertisingIdClient{
     public *;
}
-keep class com.google.android.gms.ads.identifier.AdvertisingIdClient$Info{
     public *;
}

# skip the Picasso library classes
-keep class com.squareup.picasso.** {*;}
-dontwarn com.squareup.picasso.**
-dontwarn com.squareup.okhttp.**

# skip IAB classes
-keep class com.iab.** {*;}
-dontwarn com.iab.**