Android studio 2.0 gradle transformClassesWithDexForDebug fails when using button “run”

Question

I have a problem after migration from android studio 1.5 to 2.0

In one of my project (only one) i can\'t use android studio run button,

because then, build

Answer 1

attempt to set or access a value of type java.lang.Object using a local variable of type int

Seems like in some place ProGuard optimizes variable allocation, but does it incorrectly.

Try to disable this optimization by adding the line below in your proguard-rules.pro:

-optimizations !code/allocation/variable