Android different packageName with flavors

Question

I need to install 2 versions of my project (Production and Development). I need 2 apps. I'm trying to achive it by using flavors, but when I sign the apk, it always generate the same app, with the same packageName (com.company.project). I've tried removing the applicationId from the defaultConfig but it doesn't work neither.In the manifest, the package name is com.company.project.

Anyone knows how to do that?

This is the build.gradle

defaultConfig {
            multiDexEnabled true
            minSdkVersion 16
            targetSdkVersion 23
            versionCode 1
            versionName "1.0"
            applicationId "com.company.project"
    }    
    productFlavors {
                development {
                    applicationId
                    "com.company.project.DEV"
                    versionName "1.0-dev"
                    resValue "string", "app_name", "Project-Dev"                     
                }
                production {
                    applicationId
                    "com.company.project.PROD"
                    resValue "string", "app_name", "Project-Prod"
                    versionName "1.0-prod"                        
                }
            }

Answer 1

When you create productFlavors then the corresponding gradle tasks also changes.

For instance, originally you have only assembleDebug and assembleRelease. But, after implementing productFlavors, the gradle tasks will change. Taking your example in consideration, it will be

• assembleDevelopmentDebug
• assembleDevelopmentRelease
• assembleProductionDebug
• assembleProductionRelease

If you are using Android Studio, then you do not have to worry about the gradle tasks. Just select the Build Variant from the menu and build the project. It will run the corresponding gradle tasks and install the build.

I have written a blog explaining this, Product Flavors in Android. A sample project is also available on GitHub.