Android Development: Toast

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What is the primary purpose of using Toast in Android development?

To notify the user about an operation without expecting any user input (correct)
To request user confirmation
To display complex data
To expect user input for an operation

What is the method used to instantiate an android.widget.Toast object?

createToast()
makeToast()
makeText() (correct)
showToast()

What is the purpose of the setGravity() method in Toast?

To change the font size of the Toast
To change the duration of the Toast
To change the background color of the Toast
To set the position of the Toast (correct)

What is the difference between Toast.LENGTH_SHORT and Toast.LENGTH_LONG?

The duration of the Toast (D) Signup and view all the answers

What is an example of a real-time use of Toast in a popular app?

Gmail app (B) Signup and view all the answers

What is the method used to display the Toast notification?

show() (C) Signup and view all the answers

What happens when the user clicks the Yes button in the AlertDialog?

The app will close and the NextActivity will start. (D) Signup and view all the answers

What is the primary purpose of ListView in Android?

To display a list of items that can be scrolled vertically. (C) Signup and view all the answers

What is used to convert data from a source into a view in ListView?

Adapter (B) Signup and view all the answers

What happens when the user clicks the No button in the AlertDialog?

The dialog box will be canceled. (A) Signup and view all the answers

What is the relationship between ListView and its items?

ListView is a ViewGroup that contains multiple items. (D) Signup and view all the answers

What can be customized in ListView?

The divider between every item and its height and color. (B) Signup and view all the answers

What is the base class for all adapter types in Android?

BaseAdapter (D) Signup and view all the answers

What is the primary purpose of an Alert Dialog?

To prompt the user to make a decision or enter additional information (B) Signup and view all the answers

What is the purpose of the setContentView() method in the onCreate() method?

To set the layout of the activity (B) Signup and view all the answers

Which class is used to create an Alert Dialog?

AlertDialogBuilder (D) Signup and view all the answers

What is the purpose of the setCancelable method?

To determine whether the Dialog Box can be canceled (D) Signup and view all the answers

What is the purpose of the findViewById() method?

To get a reference to a view (B) Signup and view all the answers

What is the purpose of the OnClickListener method?

To handle the event when the user clicks a button (C) Signup and view all the answers

What is the purpose of the setOnItemClickListener() method?

To handle the click event of a ListView item (C) Signup and view all the answers

In which scenario would you use an Alert Dialog?

When you want to ask the user to make a decision or enter additional information without changing the screen (D) Signup and view all the answers

What is the type of the array that stores the users' names in the ListActivity class?

String[] (C) Signup and view all the answers

What is the purpose of the setMessage method?

To set the message of the Alert Dialog (D) Signup and view all the answers

What is the purpose of the startActivity() method?

To start a new activity (C) Signup and view all the answers

What is the primary function of the raw directory in Android?

Storing arbitrary files such as audio, video, and text files (C) Signup and view all the answers

What type of resource can be used to define text and padding sizes in Android?

Dimens (C) Signup and view all the answers

What is the purpose of storing integers in a separate resource file in Android?

To make it easy to find and change later in development (B) Signup and view all the answers

What is the function of plurals in Android resource files?

To provide alternative strings based on the number of items (D) Signup and view all the answers

What type of resource is used to store strings in Android?

Strings (A) Signup and view all the answers

What is the purpose of the xml directory in Android?

To store XML files used by Android for various tasks (C) Signup and view all the answers