Step 1. Create Android Studio Project Step 2. Go to the build.gradle file in the app module then add Flavours in that file productFlavors { demo { applicationIdSuffix ".demo" resValue "string" , "app_name" , "Demo App" } full { applicationIdSuffix ".full" resValue "string" , "app_name" , "Full App" } } after changes sync gradle ,their will be option Build Variants their we can switch demo / full application build Full Source code of build.gradle apply plugin : 'com.android.application' android { compileSdkVersion 25 buildToolsVersion "25.0.2" defaultConfig { // applicationId "com.example.nithin.flavoursample" // minSdkVersion 14 // targetSdkVersion 25 // versionCode 1 // versionName "1.0" // testInstrumentationRun...