问题 I am having difficulty getting Android Studio to build the right build variant — or even to let me select a build variant at all, sometimes. Basically I have two different versions of my project a free and a "full" version. Package ids are "com.mycompany.myproj" and "com.mycompany.myprojfree". Once I've specified "myproj" and "myprojfree" flavors and "release" and "debug" buildtypes, Android Studio produces four variants in the list: myprojDebug, myprojfreeDebug, myprojfreeRelease, and