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Android UI Elements Attributes Quiz

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Questions and Answers

How is the orientation set in a LinearLayout by default?

Horizontal (correct)
Right
Left
Vertical

What attribute is used in Android to set the position of child elements in a layout?

android:layout_height
android:gravity (correct)
android:orientation
android:layout_width

Which tag is used to create a Button in Android?

(correct)

What is the purpose of an EditText in Android?

To accept user input in text form (D) Signup and view all the answers

In an Android RelativeLayout, what attribute is used to set the position to the right of another widget?

android:layout_toRightOf (A) Signup and view all the answers

Which control is used in Android to represent other controls like buttons or text fields?

(C) Signup and view all the answers

What does the 'android:checked' attribute allow us to do in Android development?

Set default selection for RadioButton (A) Signup and view all the answers

Which XML attribute is used to set an image for an ImageView in Android?

android:src (A) Signup and view all the answers

In Android development, what is the purpose of the 'onClick' method in a Button?

Handle the click event of the Button (A) Signup and view all the answers

What is the primary reason for not needing to create a group for CheckBox elements in Android?

They automatically provide multiple selections (C) Signup and view all the answers

In the provided Java code snippet, what is the purpose of the 'fee' variable?

To calculate the total fee based on CheckBox selections (B) Signup and view all the answers

Which method in Android is used to get the ID of the selected RadioButton within a RadioGroup?

.getCheckedRadioButtonId() (C) Signup and view all the answers

What is the purpose of 'android:layout_height' attribute?

To specify the height of the element (D) Signup and view all the answers

In Android, what does 'android:textStyle' attribute allow you to do?

Set bold, italic, or regular text style (B) Signup and view all the answers

Which attribute in an EditText is used to display predefined text when the EditText is blank?

android:hint (A) Signup and view all the answers

What is the purpose of the 'setOnClickListener' method in Android programming?

To handle click events on UI elements like buttons (A) Signup and view all the answers

What does the Java code 'edt3obj.setText(String.valueOf(add));' do?

Sets the text of edt3obj to the value of 'add' (C) Signup and view all the answers

How is a RadioButton created in Android?

By first creating a RadioGroup to allow single selection (A) Signup and view all the answers