App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 241 · 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.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
2. 2.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
3. 3.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
4. 4.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 23 px
   Label: 14 px
   Title: 12 px
6. 6.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 19 px
   Footer: 18 px
   Caption: 15 px
   Body text: 17 px
8. 8.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) tiny tap areas
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Footer: 11 px
    Title: 24 px (a) Footer (b) Caption (c) Title
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Hint: 15 px
    Label: 12 px
    Body text: 23 px
    Footer: 22 px
12. 12.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Hint: 24 px
    Menu: 10 px
    Caption: 15 px
    Body text: 17 px
14. 14.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) labels on every icon (d) colour as the only clue
15. 15.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) icons with no labels (d) text that can grow
16. 16.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) labels on every icon
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Label: 11 px
    Hint: 19 px
    Footer: 12 px
18. 18.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
19. 19.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
20. 20.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
21. 21.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a text label (d) a sound
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) colour as the only clue
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Menu: 17 px
    Caption: 10 px
    Hint: 27 px (a) Footer (b) Menu (c) Caption (d) Hint
24. 24.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
25. 25.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) takes photos (d) plays music
26. 26.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) text that can grow
27. 27.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) big touch targets (d) labels on every icon
28. 28.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
30. 30.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
31. 31.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
32. 32.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) icons with no labels (d) big touch targets
33. 33.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) tiny tap areas
34. 34.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
35. 35.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) colour as the only clue
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Title: 19 px
    Caption: 26 px
    Hint: 12 px (a) Caption (b) Label (c) Title (d) Hint
37. 37.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Menu: 28 px
    Label: 9 px (a) Menu (b) Hint (c) Label
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Title: 18 px
    Body text: 21 px
    Caption: 13 px
    Footer: 12 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Caption: 19 px
    Body text: 11 px
    Hint: 26 px
    Footer: 18 px (a) Title (b) Caption (c) Hint (d) Body text

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