build.gradle

/* Module level build.gradle */

android {
  
  defaultConfig {
    ...
    flavorDimensions "default"
  }

  signingConfigs {
    release
  }

  buildTypes {
    release {
     ...
     signingConfig signingConfigs.release
  }
  
  /* 
  * To let gradle automate signing process, lintOptions to be added 
  * */
  lintOptions {
    checkReleaseBuilds false
    abortOnError false
  }
}