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
The accepted answer might work, but I'll share what fixed this with me. It was due to the maximum number of methods being reached after the addition of an additional library dependency.
See this guide here to fix, skip down to Configuring Your App for Multidex with Gradle section to get to the point.