App Creator 1.6

What is a bug?

• A flaw in a computer program that causes the program to produce an incorrect result or behavior.

• A gross creepy-crawly

• A broken app that cannot be saved or fixed.

To identify bugs or errors in computer hardware or programs and fix them is _______________

• debugging

• delicing

• delousing

• describing

Which is NOT a step in debugging code?

• Check for hardware or emulator connection issues.

• Check for compilation errors (Warnings and Error messages in the Blocks Viewer) and fix them.

• make sure you understand the intended outcomes of each event handler, review your comments and algorithms.

• make sure you understand the intended outcomes of each event handler, review your comments and algorithms.

• Skip broken code and come back to it later, you might find the answer somewhere else.

To avoid bugs and errors you should develop and test code

• incrementally

• all at once

• on paper

• by hand

You can duplicate ______________

but you cannot duplicate _______________.

• blocks of code | design components

• design components | blocks of code

• blocks of code | app inventor files

• design components | algorithms

True or False:

App Inventor will attempt to run a block of code with a warning symbol.

• True

• False

True or False:

App Inventor will ignore a block of code with an error symbol.

• True

• False

How do you know if a block is disabled?

• It has a thick outline

• It is greyed out

• The color changes to black

• You cannot disable a block

What is the purpose of the backpack tool?

• To save apps

• To save blocks of code and move it between apps

• To save components

• To save properties

Who is someone you think you would work well with?