AC 1.1 The App Revolution

Which components are visible and which are non-visible

Groups:

(a) Visible

,

(b) Non-visible

• Sound

• HorizontalArrangement

• Player

• Textbox

• TextToSpeech

• Button

• Checkbox

• Label

Drag the labels to the correct place in the Design View

a

b

c

d

e

Palette

Blocks

User Interface

Components

Viewer

Mark the correct section where picture and sound files are added to the project

Select all the components that are used to display text.

Select all the components that are used for user input.

Select all the components that allow a user to check off items.

What features of App Inventor makes it easier to find the property you are wanting to work with easier to find

• The properties are listed in alphabetic order.

• Only the properties you are interested in are displayed

• Only the properties you have set are shown.

Select the blocks that are related to text manipulation.

Select the category that is used for mathematical operations.

Select the blocks that are related to Button1