scala.collection.mutable.AnyRefMap and mutable.LongMap are using java.util.Arrays.copyOf(...), that is available only on Android API level 9 and above.
This means that your Android app might not work with Froyo devices if you build it with Scala 2.11. Because the current market share of the API level < 9 is less than 1 percent, this limitation is not serious.However, if you stick to support older Android devices, here is a workaround:
- Add
-dontwarn scala.collection.mutable.**in your proguard settings. - Do not use
scala.collection.mutable.LongMapandmutable.AnyRefMap. Make sure these classes not be called in transitive way.
It was my understanding that 2.11 was incompatible with Android because it relied heavily on Java 8?
ReplyDeletehttps://groups.google.com/forum/#!topic/scala-on-android/KPDzH646C6g
Scala 2.11 is compatible with Java 6.
ReplyDeletehttp://www.scala-lang.org/news/2014/03/20/release-notes-2.11.0-RC3.html
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