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Android RadioButton Attributes Quiz

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Questions and Answers

How is a Button created in Android UI?

By defining a Button class in Java

Using the tag (correct)

Using the android:clickable attribute

By setting a TextView and making it clickable

What is the primary function of an EditText in Android UI?

To allow user input in the form of text (correct)

To style the UI layout

To display static text

To represent other controls

What does a TextView do in Android UI?

Display static text (correct)

Accept user input

Allow user to specify input

Set position for child elements

Which attribute is used to set the right side position of a widget in a RelativeLayout?

android:layout_toRightOf Signup and view all the answers

What is the default orientation of a LinearLayout in Android UI?

Horizontal Signup and view all the answers

What is the purpose of android:gravity attribute in Android UI?

To set the position for child elements Signup and view all the answers

What attribute allows us to set the default selection for a RadioButton?

android:checked Signup and view all the answers

In Android development, what is used to handle multiple selections in CheckBoxes by default?

No special group is needed Signup and view all the answers

What method is used to retrieve the selected RadioButton in a RadioGroup?

getCheckedRadioButtonId() Signup and view all the answers

In Android CheckBoxes, what is incremented when a checkbox is checked?

fee Signup and view all the answers

To display an image using an ImageView in Android, which attribute is used?

android:src Signup and view all the answers

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

To specify predefined text displayed when the EditText is blank Signup and view all the answers

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

android:textColor Signup and view all the answers

What does the 'btnclrobj' in the Java code represent?

An object for clearing EditText fields Signup and view all the answers

What is the primary function of a RadioGroup in Android?

To allow single selection from RadioButtons Signup and view all the answers

Which attribute is used to specify the layout width in Android?

android:layout_width Signup and view all the answers

What does the 'inputType' attribute do in EditText?

Allows specific input like Number or Email Signup and view all the answers