One Minute App Inventor

A collection of short video lessons for basic coding concepts in App Inventor. Many of these are integrated into various Mobile CSP lessons and Quizly quizzes.

Some How To's on Using App Inventor

• How to take a screenshot of one's blocks (1:16)
• How to debug using the 'Do It' tool (1:48)

  Basic Coding Concepts

• Initializing a global variable (0:27)
• Incrementing a variable (0:45)
• Adding N to a variable (0:33)
• Doubling a variable (0:45)
• Conditionally incrementing a variable (0:33)
• Defining a procedure (0:45)
• Defining a procedure with a parameter (1:10)
• Local vs Global Variables (1:58)
• What is a function? (1:54)
• Defining a function with an if/else in it (1:50)
• Defining a function with a loop in it (1:50)
• Defining a function that iterates over a list parameter (1:41)

  Components

• Using the Speech Recognizer (1:16)
• Using the Clock to code a delay (1:51)
• Multiple Screens: The Subscreen Control Pattern (1:42)
• Multiple Screens: Passing Data Among Screens (1:47)
• VirtualScreens: Simulating Multiple Screens (1:57)