AAD Android Build System, Gradle & App Deployment

Question 1

What is the primary build tool used in Android development with Android Studio?

Accepted Answer

Gradle

Answer

Apache Maven

Answer

Apache Ant

Answer

Make

Question 2

In an Android Gradle project, what does `compileSdkVersion` specify?

Accepted Answer

The Android API level used to compile the app source code

Answer

The minimum Android API level the app can run on

Answer

The Android version targeted for runtime optimization

Answer

The API level used for running instrumented tests

Question 3

Which file contains the module-level Gradle build configuration including dependencies and build types?

Accepted Answer

app/build.gradle

Answer

build.gradle (root)

Answer

settings.gradle

Answer

gradle.properties

Question 4

What is the purpose of `versionCode` in an Android app?

Accepted Answer

It is an internal integer used by the Play Store to determine if an update is newer

Answer

It is displayed to users on the Play Store as the app version string

Answer

It is a string identifier used in Play Store release notes

Answer

It specifies the minimum SDK version required to run the app

Question 5

Which Gradle task produces a release-signed APK?

Accepted Answer

assembleRelease

Answer

buildRelease

Answer

packageRelease

Answer

compileRelease

Question 6

What is a 'build variant' in Android development?

Accepted Answer

A combination of a build type and a product flavor

Answer

An alternative version of the app's XML layouts

Answer

A different version of Kotlin used per module

Answer

A variant of the manifest file for different screen sizes

Question 7

Where is the Gradle wrapper version for an Android project specified?

Accepted Answer

gradle/wrapper/gradle-wrapper.properties

Answer

build.gradle (root)

Answer

settings.gradle

Answer

local.properties