with previous versions of Android Studio working properly with Release Candidate 4 (December 4th) or newer:
FATAL EXCEPTION: main java.lang.NoClassDefFoun
Try with this :
dependencies { classpath 'com.android.tools.build:gradle:1.0.0+' classpath 'com.jakewharton.sdkmanager:gradle-plugin:0.9.+' }
And also do
buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard- rules.txt' } }