Android Interview Quiz: Master UI Components, Buttons, EditText, TextView, and More !

Embarking on a successful career as an Android developer demands a profound understanding of essential UI components and interactions. In this comprehensive quiz, we explore the core aspects of Android app development, focusing on Buttons, EditText, TextView, ImageView, ImageButton, DatePicker, TimePicker, Dialogs, and Toast. Unleash your expertise in crafting seamless user interfaces with 30 meticulously crafted multiple-choice questions. Each question not only tests your knowledge but also provides detailed explanations to reinforce your understanding. From manipulating UI elements to handling date and time inputs, this quiz is designed to prepare you for the challenges of Android developer interviews. Elevate your aptitude and conquer the intricacies of UI development, ensuring you stand out in the competitive landscape of Android app development.

UI Components:

Buttons, EditText, TextView
ImageView, ImageButton
DatePicker, TimePicker
Dialogs and Toast

What is the primary function of the EditText component in Android?

a) Display images

b) Accept user input

c) Show date and time

d) Play audio

Which XML attribute is used to set the initial text for an EditText component?

a) text

b) initialText

c) input

d) hint

What is the purpose of the TextView component in Android?

a) Display images

b) Accept user input

c) Show text

d) Play video

Which component is used to display images in Android?

a) ImageView

b) ImageDisplay

c) ImageWidget

d) DisplayImage

What is the primary function of an ImageButton in Android?

a) Display images

b) Accept user input

c) Show text

d) Display clickable image

How can you set an image for an ImageView programmatically in Android?

a) setImageResource()

b) setDrawable()

c) setImage()

d) setBitmap()

Which component is used to allow the user to pick a date in Android?

a) DateSelector

b) CalendarView

c) DatePicker

d) DateChooser

What is the primary purpose of the TimePicker component in Android?

a) Display current time

b) Select time zone

c) Allow user input

d) Choose date and time

How can you retrieve the selected date from a DatePicker in Android?

a) getDate()

b) getSelectedDate()

c) getYear(), getMonth(), getDayOfMonth()

d) pickDate()

10.

Which method is used to display a simple alert dialog in Android?

a) showAlert()

b) showDialog()

c) showMessageDialog()

d) AlertDialog.Builder()

1 out of 3

11.

What is the purpose of the Toast class in Android?

a) Display images

b) Show temporary messages

c) Accept user input

d) Play audio

12.

How can you set the duration of a Toast message in Android?

a) setDuration()

b) setToastDuration()

c) setDisplayTime()

d) setNotificationTime()

13.

How can you customize the layout of a Toast message in Android?

a) setLayout()

b) customizeLayout()

c) setToastLayout()

d) Toast.setCustomLayout()

14.

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

a) Adjust the gravity of the Earth

b) Set the position of the Toast on the screen

c) Control the speed of the Toast animation

d) Change the color of the Toast background

15.

Which attribute is used to set the text color of a TextView in XML?

a) textColor

b) textFontColor

c) fontColor

d) colorText

16.

How can you make a Button clickable in Android?

a) setClickable()

b) enableClick()

c) setEnabled()

d) makeClickable()

17.

What is the purpose of the android:onClick attribute in a Button?

a) Set button text

b) Define click behavior in XML

c) Specify button color

d) Enable button click

18.

How can you create a transparent background for an ImageView in Android?

a) setBackgroundTransparent()

b) setTransparentBackground()

c) setAlpha()

d) setBackgroundAlpha()

19.

Which method is used to set an image resource for an ImageButton in Java code?

a) setImageResource()

b) setDrawable()

c) setImage()

d) setBitmap()

2 out of 3

20.

What is the purpose of the android:hint attribute in an EditText component?

a) Set initial text

b) Display a hint for user input

c) Define click behavior

d) Specify text color

21.

How can you change the background color of a TextView programmatically in Android?

a) setBackgroundColor()

b) setTextColor()

c) setBackground()

d) setForegroundColor()

22.

Which method is used to set the text size of a TextView programmatically in Android?

a) setTextSize()

b) setSize()

c) setTextFontSize()

d) setFontSize()

23.

How can you display a message in the Logcat in Android?

a) logMessage()

b) printLog()

c) Log.d()

d) showMessage()

24.

Which method is used to set the visibility of a View in Android?

a) setVisible()

b) show()

c) setVisibility()

d) display()

25.

What is the purpose of the android:layout_gravity attribute in a View?

a) Adjust gravity in space

b) Set layout gravity within a layout

c) Define view behavior

d) Control view animations

26.

How can you set a listener for a Button in Android?

a) setListener()

b) addButtonListener()

c) setOnClickListener()

d) addClickListener()

27.

What is the purpose of the android:layout_weight attribute in a layout?

a) Set layout gravity

b) Define layout behavior

c) Control layout animations

d) Adjust layout weight

28.

How can you create a custom dialog in Android?

a) setCustomDialog()

b) createDialog()

c) AlertDialog.Builder()

d) showCustomDialog()

29.

Which method is used to set the gravity of text within a TextView in Android?

a) setTextGravity()

b) setGravity()

c) setTextAlignment()

d) alignText()

3 out of 3

Android Interview Quiz: Master UI Components, Buttons, EditText, TextView, and More !

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