App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 808 · 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 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
2. 2.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
5. 5.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) captions on videos (d) text that can grow
6. 6.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) big touch targets
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Body text: 15 px
   Hint: 11 px
8. 8.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
9. 9.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Label: 26 px
    Menu: 14 px (a) Title (b) Menu (c) Label
11. 11.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
12. 12.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
13. 13.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Body text: 26 px
    Footer: 9 px (a) Title (b) Footer (c) Body text
16. 16.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) labels on every icon
17. 17.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) big touch targets
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Body text: 23 px
    Title: 18 px
    Menu: 22 px
    Hint: 17 px (a) Title (b) Menu (c) Body text (d) Caption
20. 20.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) big touch targets
21. 21.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) text that can grow
23. 23.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
24. 24.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Menu: 10 px
    Hint: 22 px
    Title: 21 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 9 px
    Body text: 24 px (a) Title (b) Body text (c) Hint
28. 28.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) text that can grow (d) tiny tap areas
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Caption: 17 px
    Footer: 16 px
    Label: 27 px (a) Footer (b) Caption (c) Menu (d) Label
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Menu: 18 px
    Caption: 19 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Hint: 26 px
    Body text: 28 px (a) Footer (b) Body text (c) Hint
32. 32.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
33. 33.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
34. 34.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
35. 35.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
37. 37.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) fast-flashing lights (d) strong colour contrast
38. 38.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
39. 39.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) sudden loud sounds
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Title: 14 px
    Footer: 19 px

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