Mobile App 1 (Quiiz 1 - Finals)

What is an Android Event in computing?

• A button click

• An action or occurrence recognized by software

• A piece of code

• A UI element

What is the primary purpose of Event Listeners in Android?

• To create buttons

• To handle user interactions with the UI

• To display Toast messages

• To define layouts

Which event handler is used to handle button clicks in Android?

• OnTouchListener()

• OnClickListener()

• OnLongClickListener()

• OnDragListener()

How many ways are there to register an Event Listener in Android?

• 1

• 2

• 3

• 4

What is the purpose of using an anonymous class for Event Listeners?

• To make the code cleaner

• To access private data of Activity

• To handle long clicks

• To register events

What can the EditText control in Android be used for?

• Display text

• Modify text

• Both a and b

• None of the above

How can you define a click event for a Button in XML Layout File?

• Using `android:onClick` attribute

• Using `android:clickEvent` attribute

• Using `android:handleClick` attribute

• Using `android:onClickEvent` attribute

What is the primary purpose of a Toggle Button in Android?

• Display a button with an image

• Display ON (Checked) or OFF (Unchecked) states

• Display a dropdown list

• Allow users to select one or more options

What does a CheckBox in Android allow users to do?

• Display ON (Checked) or OFF (Unchecked) states

• Handle long clicks

• Allow users to select one or more options

• Display a button with an image

How can you populate a Spinner control with values in Android?

• Using `android:populate` attribute

• Using `android:values` attribute

• Using `ArrayAdapter` programmatically

• Using `android:spinnerData` attribute