BrainstormingLesson 2

1

AgendaTopics

Review of Tutorial Concepts

Activities

Brainstorm app ideas

Review Mole Mash 2

LoopsImage spritesTimers

2

Real Life Loops

Can you think of some real-life loops that you do?

Washing the DishesDefinite Loop

Using an umbrellaIndefinite Loop

Foreach dirty dish:Put in soapy waterScrubRinse

While still raining:use

umbrella

3

Loops

Tell the computer to do something many timesFor Example: draw 100 circles

The code INSIDE the loop is repeatedFor Example: the code to draw 1 circle

There must be a condition for the loop to endFor Example: when 100 circles have been drawnOr when the user clicks the screen

Definite Loops

You know when the loop is going to end because there is a definite number of things to doExamples:

for (100 times) draw circleforeach [dirty dish] wash itforeach (class period): go to classforeach (shopping list item): get it

Foreach (member of a list): do something

Image Sprites

Images that can be determined to have a speed and direction

Lean Startup

Source: Eric Ries – startuplessonslearned.blogspot.com

IDEAS

Don’t be afraid to put any and all ideas outStart with a large list and trim downStart simple and then buildBUILD your idea with code

CODE - Resources

App Inventor tutorialsApp Inventor Community GalleryWellesleyMEASURE your idea with DATA

DATA

Iterate quickly and usability testingGo from your initial idea an add onLEARN from your DATA to improve your IDEA

Activity: Brainstorm App Ideas

20 minutesRules of Engagement:

Stay positive and persistentKeep and open mind

Ben Shapiro

Steps

1. Index-cards2. Tell a Story3. Choose your 2 favorites4. Design your box5. Share!

4 Index Cards Per Person

4 Index Cards

1 User1 Verb1 Object1 Noun, Adjective, Adverb, or Verb

Record your answers in Pg. 6 of the workbook

4 Cards

• 1 User • 1 Verb• 1 Object• 1 Noun, Adjective,

Adverb, or Verb

Grandma

Needs

Gardening

Space

Women

Share

Safe

Routes home

4 Cards

• 1 User• 1 Verb• 1 Object• 1 Noun, Adjective,

Adverb, or Verb

Go!You have 60 seconds.

Shuffle your cards amongst your group.

Take 4 Cards.Trading is OK.

You have 90 seconds.

Tell A Storyusing your NEW index cards

Write your story in Pg. 6 of the workbook

Write a two sentence story for how someone would use your app.

EX: Sophie lives in an apartment now and misses gardening. She uses Pretty Plot to find a young couple who need help planting flowers for their new home.

Write your story in Pg. 6 of the workbook

Go around your group, telling your story.

If you love someone’s story, give them one of your post-its.

Design the Box

Take your two most popular stories. Half of you go to one, half to the other.

Design the box you would use to sell this app in (if apps came in boxes).

What’s it called?Who’s it for?What’s its tagline/slogan?What are its most compelling features and benefits?What imagery would make it stand out?

Write your answers in Pg. 6 of the workbook

Present to the rest of us!

You have 1 minute each

Now it’s up to you to build it!

Next Week: Finalize your app idea!

Please come to class with an app idea– you will be making your first screen next week!If you have time, start sketching out some of the screens of your app.

Before you leave today

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Answer: What was the best part about the brainstorming process?Or post your own question or comment!