Programming with MIT App Inventor: A Germ Guide App Tutorial

What is the first step to start programming in MIT App Inventor?

• Connect to the MIT App Companion

• Design the app interface

• Import the A13 Germ Guide .aia file

• Create a new project

How do you make the title of a screen invisible in MIT App Inventor?

• Delete the title text

• Uncheck the 'Title Visible' property

• Set the title color to white

• Remove the title component

What property do you change to make buttons stand out more?

• Font size

• Text alignment

• Image

• Button shape

How can you center buttons on the screen using arrangements?

• Use a Vertical Arrangement

• Use a Horizontal Arrangement

• Align text to center

• Set buttons to 'Center'

What is the function of the 'Back' button in the app?

• To refresh the app

• To close the app

• To navigate to the previous screen

• To delete the last entry

Why do we use arrangements in MIT App Inventor?

• To organize components linearly

• To create databases

• To write code

• To add more components

What is the purpose of adding a media player in MIT App Inventor?

• To play videos

• To display images

• To play audio files

• To record audio

What must be done to the source file of a media player for it to play audio?

• Increase its volume

• Link it to an audio file

• Set it to 'Automatic'

• Change its format

What happens when you click the cholera button in the app?

• It shows information about cholera

• It plays an audio clip about cholera

• It navigates to another screen

• It plays a video about cholera

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