Mobile Systems Reviewer Midterm Quiz

What is an Activity in Android development?

• A. A single screen in the app where the user can perform a single focused task

• B. A background process that runs independently of the UI

• D. A layout structure for an app's user interface

• C. A type of notification displayed to the user

Which method is invoked when the app is launched for the first time?

• B. onResume()

• C. onCreate()

• A. onStart()

• D. onPause()

What is an Intent in Android development used for?

• D. To organize child view elements into rows and columns

• C. To display a small popup message

• B. To request an action from another activity

• A. To define the structure for an app's user interface

What is the target of an Explicit Intent?

• D. The target is the Intent Extras

• B. The target is the class name of the activity

• C. The target is the Intent data/object

• A. The target is not yet identified

What is the purpose of a Constraint Layout?

• D. To display web pages

• C. To specify the location of child objects relative to each other

• B. To arrange child objects into rows and columns

• A. To create a layout with a flat view hierarchy

What is the function of a Notification in Android?

• A. To provide user with reminders

• B. To display a small popup message

• D. To organize child view elements into rows and columns

• C. To prompt the user to make a decision

What is the purpose of an App bar/Action Bar in Android?

• C. To prompt the user to make a decision

• D. To organize child view elements into rows and columns

• B. To display a small popup message

• A. To provide a visual structure and interactive elements

What is a Toast used for in Android development?

• D. To organize child view elements into rows and columns

• B. To display a small popup message

• A. To provide user with reminders

• C. To prompt the user to make a decision

What is a Snackbar in Android development?

• D. A layout structure for an app's user interface

• A. A message that android display outside the app's UI

• C. A quick pop-up message to the user

• B. A small window that prompts the user to make a decision

What is a Dialog used for in Android development?

• A. To provide user with reminders

• B. To display a small popup message

• C. To prompt the user to make a decision

• D. To organize child view elements into rows and columns