12 Questions
What can a RecyclerView do to make scrolling more performant?
Recycle item views
What function does onBindViewHolder perform in a custom RecyclerView.Adapter?
Bind the view with new values
What is the purpose of a custom Adapter extending from RecyclerView.Adapter?
Supplies data and layouts for the RecyclerView
In what way do you specify the lengths in dp for your layout?
Using density-independent pixels (dp)
What is put in a pool to be recycled when an item is scrolled offscreen in a RecyclerView?
Item view
What feature allows multiple views to be positioned relative to a single guide?
ConstraintLayout constraints
What are density-independent pixels (dp) in Android?
Pixels that take screen density into account
Why is using ConstraintLayout recommended in Android development?
To improve UI responsiveness and avoid slowdown
What is the purpose of Chains in ConstraintLayout?
To align views horizontally and vertically
How are deeply nested ViewGroups in Android related to UI performance?
They cause UI slowdown and lack of responsiveness
In ConstraintLayout, what does 'layout_constraintTop_toTopOf' attribute do on a TextView?
Aligns the top of the TextView to the parent's top edge
What issue does using Density-independent pixels (dp) address for Android developers?
Inconsistent dimensions across devices
Test your knowledge about density-independent pixels (dp) in Android development. Learn about specifying layout dimensions that are consistent across devices and how screen density impacts views. Understand the importance of using dp for responsive design.
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