- When developing a layout subclass, which of the following options is the best?
- Programmatically instantiating its child widgets
- Only having ID attributes in nested child widgets
- Avoiding assigning ID attributes to child widgets
- Which of these applies to the
Bundle
passed at anActivity
inonCreate
?- It is populated in the
onSaveInstanceState
method - It is populated automatically by the platform
- It is never null
- It is populated in the
- When the data for an
Adapter
changes, which of the mentioned happens?- It will be detected by the
View
automatically - It should be replaced by a new
Adapter
to reflect the changes - It should notify any attached listeners
- It will be detected by the
- Fragments and
View
classes should meet which of the following condition?- They should have their data and state pushed into them from the
Activity
- They should expose listener interfaces that their
Activity
implements to receive events - They should directly call event methods on their
Activity
by casting it to the correct class
- They should have their data and state pushed into them from the
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