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

All it took to fix this issue for me was to add the following lines to the build.gradle file for the mobile app:

...

android {

    ...

    // Enabling multidex support.
    multiDexEnabled true
}

dexOptions {
    javaMaxHeapSize "4g"
}

...

}

dependencies {

...

compile 'com.android.support:multidex:1.0.0'

...

}