App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 635 · 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.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) icons with no labels (d) tiny tap areas
2. 2.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) big touch targets
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 18 px
   Title: 9 px
   Label: 27 px (a) Title (b) Label (c) Footer
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 13 px
   Menu: 12 px
   Body text: 12 px
   Hint: 23 px
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 14 px
   Caption: 12 px
   Body text: 20 px
   Menu: 11 px
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 9 px
   Caption: 18 px
   Footer: 24 px
   Body text: 27 px
   Label: 28 px (a) Footer (b) Body text (c) Caption (d) Menu
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) fast-flashing lights
8. 8.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
9. 9.♿ 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
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Footer: 10 px
    Caption: 28 px (a) Caption (b) Menu (c) Footer
11. 11.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
12. 12.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
13. 13.Which of these makes the app harder to use? (a) colour as the only clue (b) labels on every icon (c) big touch targets (d) strong colour contrast
14. 14.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
15. 15.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
16. 16.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
17. 17.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
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.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
20. 20.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) labels on every icon
22. 22.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) big touch targets
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Menu: 12 px
    Caption: 11 px
24. 24.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
25. 25.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Title: 21 px
    Body text: 24 px
    Hint: 15 px
27. 27.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
28. 28.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) sudden loud sounds
29. 29.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Hint: 10 px
    Title: 21 px (a) Title (b) Hint (c) Footer
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Hint: 19 px
    Caption: 9 px
    Footer: 25 px
    Body text: 21 px (a) Label (b) Hint (c) Footer (d) Caption
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Hint: 19 px
    Menu: 23 px (a) Title (b) Hint (c) Menu
33. 33.Which of these helps everyone use the app? (a) strong colour contrast (b) sudden loud sounds (c) colour as the only clue (d) fast-flashing lights
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Footer: 11 px
    Caption: 18 px (a) Hint (b) Footer (c) Caption
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Title: 23 px
    Label: 27 px
    Menu: 17 px (a) Label (b) Menu (c) Hint (d) Title
36. 36.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
37. 37.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) tiny tap areas
39. 39.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Footer: 11 px
    Menu: 20 px
    Title: 18 px
    Caption: 26 px (a) Footer (b) Menu (c) Title (d) Label

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