App Dev Worksheet: Accessibility
Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.
NameDateTime takenScore ___ / 40
- 1.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
- 2.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
- 3.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) sudden loud sounds
- 4.Which of these makes the app harder to use? (a) strong colour contrast (b) tiny tap areas (c) big touch targets (d) captions on videos
-
5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Title: 10 px
Menu: 13 px
Hint: 14 px
Caption: 20 px - 6.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) captions on videos
-
7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 18 px
Body text: 20 px
Hint: 14 px
Label: 25 px
Menu: 24 px (a) Label (b) Body text (c) Hint (d) Title - 8.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) icons with no labels
- 9.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
- 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
- 11.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) text that can grow (d) colour as the only clue
-
12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 22 px
Label: 23 px
Menu: 12 px (a) Label (b) Menu (c) Title - 13.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
- 14.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
- 15.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
- 16.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
- 17.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) sudden loud sounds
-
18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Menu: 11 px
Hint: 24 px
Footer: 20 px
Caption: 23 px (a) Hint (b) Caption (c) Menu (d) Footer - 19.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
- 20.Which of these helps everyone use the app? (a) sudden loud sounds (b) labels on every icon (c) colour as the only clue (d) icons with no labels
-
21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Label: 13 px
Menu: 19 px
Body text: 10 px
Hint: 21 px -
22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Label: 25 px
Body text: 22 px
Caption: 10 px
Menu: 16 px (a) Label (b) Caption (c) Body text (d) Menu - 23.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
- 24.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
- 25.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
- 26.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
-
27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 16 px
Footer: 23 px
Label: 17 px
Hint: 13 px
Body text: 25 px (a) Label (b) Title (c) Hint (d) Footer -
28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 11 px
Title: 25 px
Caption: 25 px (a) Caption (b) Hint (c) Title - 29.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
-
30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Caption: 12 px
Title: 22 px
Body text: 12 px - 31.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
- 32.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) fast-flashing lights (d) labels on every icon
- 33.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) big touch targets (d) tiny tap areas
- 34.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
- 35.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
- 36.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
- 37.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
-
38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Caption: 24 px
Title: 15 px
Label: 17 px
Body text: 15 px - 39.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
-
40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Menu: 18 px
Title: 9 px
Footer: 27 px
Body text: 23 px (a) Body text (b) Title (c) Menu (d) Footer
Answer key
- captions on videos
- 2
- sudden loud sounds
- tiny tap areas
- 3
- captions on videos
- Hint
- icons with no labels
- 7
- helps everyone
- text that can grow
- Menu
- helps everyone
- 3
- 2
- 5
- sudden loud sounds
- Menu
- True
- labels on every icon
- 2
- Caption
- makes it harder
- colour-blind users
- True
- 3
- Hint
- Hint
- everyone
- 2
- reads the screen aloud
- fast-flashing lights
- big touch targets
- so anyone can follow
- makes it harder
- 8
- 2
- 2
- 8
- Title
Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students