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Using ConstraintLayout in Android
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Using ConstraintLayout in Android

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Questions and Answers

What method can be used to obtain the measured width of a view?

  • getMeasuredWidth() (correct)
  • getWidth()
  • getMeasuredHeight()
  • getHeight()
  • Which pair of dimensions define the actual size of the view on the screen?

  • Width and height
  • Measured width and measured height
  • Drawing width and drawing height (correct)
  • Padding width and padding height
  • How can you set the padding for a view?

  • setPadding(int, int, int, int) (correct)
  • setPaddingRight()
  • setPaddingLeft()
  • setPaddingTop()
  • Which method would you use to obtain the left padding of a view?

    <p>getPaddingLeft()</p> Signup and view all the answers

    What does the padding of a view help achieve?

    <p>Offset the content of the view</p> Signup and view all the answers

    How do the measured dimensions differ from the actual dimensions of a view?

    <p>They differ due to padding</p> Signup and view all the answers

    What method is used to bind the created object to UI Components in Android development?

    <p>findViewById()</p> Signup and view all the answers

    In which file do you define the UI of an Android project?

    <p>activity_main2.xml</p> Signup and view all the answers

    What is the purpose of creating a second activity in an Android app?

    <p>To improve user experience through multiple screens</p> Signup and view all the answers

    Which programming language is primarily used for Android app development in the provided code snippet?

    <p>Kotlin</p> Signup and view all the answers

    What does the Intent class represent in Android development?

    <p>A message passing mechanism between components</p> Signup and view all the answers

    Which method is used to start a new activity in Android from the current activity?

    <p>startActivity()</p> Signup and view all the answers

    What is the main advantage of improving UI flexibility on all devices?

    <p>Enhancing user experience</p> Signup and view all the answers

    In Android, where can fragments exist?

    <p>Only inside an activity</p> Signup and view all the answers

    What happens to a fragment when its host activity is paused?

    <p>All methods and operations related to the fragment stop functioning</p> Signup and view all the answers

    How is a fragment inserted into an Android activity layout?

    Signup and view all the answers

    What influence does an activity have on a fragment's lifecycle?

    <p>Activity's lifecycle directly impacts the fragment's lifecycle</p> Signup and view all the answers

    When does the onCreateView() method of a fragment get called?

    <p>To create the user interface of the fragment</p> Signup and view all the answers

    What is the purpose of a toast in Android app development?

    <p>To provide simple feedback about an operation</p> Signup and view all the answers

    In Android Studio, where can you add a TextView to display received messages in the second activity?

    <p>android project &gt; File &gt; new &gt; Activity</p> Signup and view all the answers

    What method is used to get the value from the Intent object in the second_activity.java file?

    <p>getStringExtra()</p> Signup and view all the answers

    What is the purpose of the findViewById() method used in Android app development?

    <p>To retrieve a View from the XML layout by ID</p> Signup and view all the answers

    What does receiver_msg.setText(str); do in the SecondActivity file in Android development?

    <p>It sets the text of receiver_msg to str</p> Signup and view all the answers

    What does Toast provide in Android app development?

    <p>Feedback about an operation in a small popup</p> Signup and view all the answers

    What is the purpose of 'app:layout_constraintTop_toTopOf' attribute in ConstraintLayout?

    <p>To constrain the view with respect to the top position</p> Signup and view all the answers

    What advantage does ConstraintLayout offer in Android development?

    <p>It provides drag and drop feature for UI design</p> Signup and view all the answers

    How does using ConstraintLayout affect XML code readability?

    <p>It makes the XML code difficult to understand</p> Signup and view all the answers

    Which attribute in ConstraintLayout is used to constrain a view with respect to the right position?

    <p>app:layout_constraintRight_toRightOf</p> Signup and view all the answers

    What is a disadvantage of using ConstraintLayout in Android development?

    <p>It can make the XML code difficult to understand</p> Signup and view all the answers

    What feature of ConstraintLayout allows controlling a group of widgets through a single line of code?

    <p>Single line control capability</p> Signup and view all the answers

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