mobile programming final review

Question 1

Android actually prevents you from doing certain tasks (i.e. networking) on the main UI thread starting from API 11

Answer

true

Question 2

all UI updating must be done on UI thread

Answer

true

Question 3

AsyncTasks
Useful for short-lived background tasks that are not likely to be interrupted by Activity restarts or may simply be redone (i.e. reading a small file

Answer

true

Question 4

Files get in external storage (app specific) are deleted when the app is uninstalled

Answer

true

Question 5

RecyclerView is a more flexible advanced listview, can smoothly and dynamically create its contents

Answer

true

Question 6

You must use parceable when passing instances of classes between intents

Answer

true

Question 7

you may have more than one type of notification in your application

Answer

true

Question 8

deep-linking means notifications that appear while main app is not running, will start an intent of the app when tapped

Answer

true

Question 9

JobScheduler is a framework component that optimizes background tasks from all apps on the device to minimize overall drain on resource

Answer

true

Question 10

Services are good for when you have systems that need to run without stopping
ie. music, uploading data to a server, handing File I/O in the background

Answer

true

Question 11

services by default run on Main/UI thread

Answer

true

Question 12

SQLite provides a light-weight database with a set of APIs to create, modify data

Answer

true

Question 13

Room is an easier database to work with, providing ways to map classes to tables
uses annotations

Answer

true

Question 14

Room consists of;
Database
Entity
Dao

Answer

true

mobile programming final review

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