App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 29 · 40 questions

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.

1. 1.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
2. 2.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 21 px
   Caption: 11 px
   Body text: 21 px
   Menu: 22 px (a) Caption (b) Title (c) Menu (d) Body text
4. 4.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
5. 5.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
7. 7.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) captions on videos (d) strong colour contrast
8. 8.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 18 px
   Body text: 10 px
   Title: 17 px
   Caption: 20 px
10. 10.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Footer: 16 px
    Hint: 28 px
    Body text: 11 px (a) Menu (b) Hint (c) Footer (d) Body text
12. 12.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
13. 13.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
14. 14.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
15. 15.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
16. 16.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) icons with no labels
19. 19.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) icons with no labels (d) fast-flashing lights
20. 20.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
21. 21.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) captions on videos (d) strong colour contrast
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Caption: 10 px
    Title: 10 px
    Footer: 10 px
    Body text: 24 px
23. 23.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Label: 14 px
    Menu: 13 px
    Footer: 14 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Title: 19 px
    Footer: 26 px (a) Title (b) Label (c) Footer
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Caption: 24 px
    Footer: 23 px
    Hint: 19 px
    Body text: 9 px (a) Body text (b) Title (c) Footer (d) Caption
27. 27.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
28. 28.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) sudden loud sounds (d) tiny tap areas
29. 29.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) text that can grow (d) icons with no labels
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Body text: 22 px
    Label: 17 px
    Hint: 16 px
    Footer: 17 px (a) Caption (b) Label (c) Body text (d) Hint
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Caption: 13 px
    Hint: 10 px
    Body text: 12 px
32. 32.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) big touch targets (d) tiny tap areas
34. 34.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
35. 35.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) fast-flashing lights (d) tiny tap areas
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Caption: 14 px
    Footer: 19 px (a) Footer (b) Label (c) Caption
37. 37.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) captions on videos (d) sudden loud sounds
38. 38.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) captions on videos (d) colour as the only clue
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Caption: 22 px
    Menu: 15 px
    Hint: 19 px

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