- An instance of
RecyclerView
will create oneView
instance for which of these?- Every item of data
- Every item of data visible on the screen
- Each type of data element that is also visible on the screen
- When attaching an observer to
LiveData
you need to do which of the following?- Detach it when its
LifecycleOwner
is destroyed - Attach it on the main thread
- Provide a valid
LifecycleOwner
- Detach it when its
- Overview / Dashboard screens should have which of these features?
- They should only use graphs to display statistics
- They should not scroll if it can be avoided
- They should display an overview with the most important information first
- The
ViewHolder
class is used by theRecyclerView
to do what?- Improve the data binding performance
- Reference the views that will be garbage collected
- Store the
View
objects in aBundle
- When using
LiveData
objects to reference data used by multipleFragment
objects, which of these is true?- The
Fragment
instances must share the sameLiveData
reference to see changes - The
LiveData...
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