App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 415 · 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 of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) labels on every icon (d) icons with no labels
2. 2.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) strong colour contrast (d) captions on videos
4. 4.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
5. 5.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 22 px
   Body text: 27 px
   Label: 21 px
   Title: 13 px (a) Title (b) Body text (c) Label (d) Menu
7. 7.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) fast typists (d) the server
9. 9.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) tiny tap areas (d) fast-flashing lights
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Title: 24 px
    Menu: 17 px
    Footer: 16 px
    Body text: 11 px (a) Title (b) Label (c) Body text (d) Menu
11. 11.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Caption: 17 px
    Label: 18 px
    Footer: 12 px
    Body text: 23 px (a) Menu (b) Caption (c) Label (d) Footer
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Title: 12 px
    Body text: 21 px
    Hint: 21 px
14. 14.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
15. 15.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
16. 16.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) sudden loud sounds (d) tiny tap areas
17. 17.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
18. 18.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) captions on videos
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
21. 21.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Body text: 9 px
    Caption: 26 px (a) Footer (b) Caption (c) Body text
23. 23.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
24. 24.Which of these helps everyone use the app? (a) big touch targets (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Title: 24 px
    Footer: 23 px (a) Footer (b) Menu (c) Title
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Caption: 15 px
    Label: 22 px
    Body text: 20 px
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Label: 20 px
    Footer: 16 px
    Hint: 13 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Body text: 16 px
    Hint: 27 px (a) Hint (b) Body text (c) Title
29. 29.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Menu: 19 px
    Body text: 24 px (a) Footer (b) Body text (c) Menu
31. 31.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) big touch targets (d) text that can grow
32. 32.Which of these helps everyone use the app? (a) strong colour contrast (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
33. 33.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Caption: 22 px
    Hint: 14 px
35. 35.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) text that can grow (d) fast-flashing lights
36. 36.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Label: 27 px
    Title: 16 px
    Hint: 28 px
    Footer: 18 px (a) Title (b) Hint (c) Label (d) Caption
38. 38.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) icons with no labels (d) colour as the only clue
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Label: 22 px
    Menu: 13 px (a) Body text (b) Menu (c) Label
40. 40.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) labels on every icon (d) big touch targets

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