android tutorial - Defining build types in Android | Developer android - android app development - android studio - android app developement

 android {
        ...
        defaultConfig {...}
    
        buildTypes {
            release {
                minifyEnabled true
                proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            }
    
            debug {
                applicationIdSuffix ".debug"
            }
        }
    }

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