Which command installs or updates an APK while keeping app data?

  1. adb install -r app.apk
  2. adb push app.apk
  3. adb install -d
  4. adb uninstall app.apk
Answer

A) adb install -r app.apk

-r reinstalls an existing app.

Computer Science MCQ · More Lab: Generating and Installing an APK MCQs · Practise