Install and Run Android App Using Gradle Task

installRun.gradle

//Place this script inside your application module build.gradle
//It will create a new task(s) based on your application variants within (run) group
//sample: ./gradlew installRunDebug
//sample: ./gradlew installRunStagDebug

project.afterEvaluate {
  android.applicationVariants.all { variant ->
    task "installRun${variant.name.capitalize()}"(type: Exec, dependsOn: "install${variant.name.capitalize()}", group: "run") {
      commandLine = ["adb", "shell", "monkey", "-p", variant.applicationId + " 1"]
      doLast {
        println "Launching ${variant.applicationId}"
      }
    }
  }
}