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Android Kotlinmobile~20 mins

APK vs App Bundle in Android Kotlin - Practice Questions

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LearnWhyDeepUITryChallengeBuildRecallPublish
Challenge - 5 Problems
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🧠 Conceptual
intermediate
2:00remaining
Difference in Distribution Format
Which statement correctly describes the difference between an APK and an App Bundle in Android app distribution?
AApp Bundles are larger files than APKs and must be installed manually by users.
BAPK files are only used for iOS apps, while App Bundles are exclusive to Android.
CAPK is a single installable file, while App Bundle is a publishing format that Google Play uses to generate optimized APKs for each device.
DAPK files contain source code, whereas App Bundles contain only compiled resources.
Attempts:
2 left
💡 Hint
Think about how Google Play delivers apps to different devices.
❓ ui_behavior
intermediate
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App Size Impact
How does using an App Bundle instead of a universal APK affect the app size on a user's device?
AApp Bundles reduce the installed app size by delivering only necessary resources for the device.
BApp Bundles increase app size because they include all device configurations.
CThere is no difference in app size between App Bundles and APKs.
DApp Bundles remove all images to reduce size, causing UI issues.
Attempts:
2 left
💡 Hint
Consider how device-specific resources affect app size.
❓ lifecycle
advanced
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App Bundle and Updates
When an app is published as an App Bundle, how does Google Play handle app updates compared to APK updates?
AGoogle Play generates optimized APKs for updates, delivering only changed parts to devices.
BUpdates require users to download the full APK again regardless of changes.
CApp Bundles do not support updates; developers must upload new APKs.
DGoogle Play disables automatic updates for App Bundle apps.
Attempts:
2 left
💡 Hint
Think about how incremental updates save data.
❓ navigation
advanced
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Publishing Process Differences
Which step is unique to publishing an Android app as an App Bundle compared to publishing an APK?
AManually creating device-specific APKs before upload.
BSigning the app with a debug key instead of a release key.
CDisabling Google Play app signing.
DUploading the .aab file to Google Play Console instead of an APK file.
Attempts:
2 left
💡 Hint
Consider the file formats accepted by Google Play.
📝 Syntax
expert
3:00remaining
Build Configuration for App Bundle
Given the following Gradle snippet, what is the effect of the 'bundle' block in the android configuration?
Android Kotlin
android {
  bundle {
    language {
      enableSplit = true
    }
    density {
      enableSplit = true
    }
    abi {
      enableSplit = true
    }
  }
}
AIt disables app splitting, forcing a universal APK build.
BIt enables Google Play to generate APKs split by language, screen density, and CPU architecture, optimizing app size.
CIt causes a build error because 'bundle' is not a valid block in Gradle.
DIt only affects debug builds and has no effect on release builds.
Attempts:
2 left
💡 Hint
Think about how splitting affects app delivery.