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Hashtag
#App Inventor: Used to create applications for smart phones
#Block Editor View: Place where we combine blocks to execute an application
REVISIT
▶ App Inventor is a free platform which can be used to create apps for smart phones.
▶ Working of App Inventor is similar to Scratch programming language in which we drag and drop blocks for
making an application.
▶ App Inventor has two basic views: Design View and Block Editor View.
▶ The Design View contains all the components required to design an application.
▶ The Block Editor View is the place where we combine blocks to execute an application.
1. Tick ( ) the correct option.
a. Which view in App Inventor is responsible for arranging and selecting components for app design?
(i) Design View (ii) Block Editor View
(iii) Code View (iv) Preview View
b. Analyse the purpose of the Trash in App Inventor.
(i) To store components (ii) To delete unnecessary blocks
(iii) To organise the workspace (iv) To preview the app
c. Identify the function of the TextToSpeech component in the app creation process.
(i) Display text messages (ii) Play audio files
(iii) Convert text to speech (iv) Record user's voice
d. How can an app be tested during development in App Inventor?
(i) Using an emulator (ii) Through a physical smartphone
(iii) By connecting to the cloud (iv) All of these
e. Which pane in the Project Designer window lists all the components added to the screen?
(i) Palette pane (ii) Properties pane
(iii) Components pane (iv) View pane
Developing Mobile Apps 99

