Android Part 2

Question 1

Where do widgets inherit from?

Answer 1

Widgets inherit from view

Question 2

Different types of layouts?

Answer 2

Constraint Layout
Frame Layout
Linear Layout
Relative Layout
Grid Layout

Question 3

Constraint Layout?

Answer 3

A layout that allows elements to be attached to other elements or a frame wall

Question 4

Frame Layout?

Answer 4

Layout that blocks out an area of the screen for a single item

Question 5

Linear Layout?

Answer 5

Layout that arranges children in a single column or a row

Question 6

Relative Layout?

Answer 6

Layout where the positions of the children can be set relative to other widgets

Question 7

Grid Layout?

Answer 7

A layout that places children in a rectangular grid

Question 8

Where are string, and color resources stored?

Answer 8

String string.xml

color color.xml

Question 9

What is an R?

Answer 9

R class that contains integer representations

Question 10

What method you should use to get resources at a runtime?

Answer 10

getResources()

Question 11

What is a spinner?

Answer 11

A spinner is a control that displays TextView and has an associated ListView that contains items.

Question 12

What is a compound button?

Answer 12

Button with 2 states

Question 13

What is a listview?

Answer 13

A view group that displays a list of vertically scrollable items

Question 14

What is a listadapter?

Answer 14

a public interface that implements adapter

bridge between a listview and the data that backs the list

Question 15

Steps to extend the arrayAdapter?

Answer 15

Class for data.
Layout file for listview to use
Class that extends Adapter
Instance
Assign the adapter