App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 58 · 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 4 of them have a text label for screen readers. How many still need a label?
2. 2.♿ 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
3. 3.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) icons with no labels (d) strong colour contrast
4. 4.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
5. 5.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 19 px
   Caption: 12 px
   Title: 22 px
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 22 px
   Footer: 11 px
   Body text: 18 px
8. 8.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 19 px
   Title: 21 px
   Menu: 16 px
   Footer: 17 px
10. 10.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) tiny tap areas
12. 12.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
13. 13.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Footer: 21 px
    Body text: 12 px
    Hint: 16 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Body text: 20 px
    Hint: 17 px (a) Body text (b) Hint (c) Footer
17. 17.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
18. 18.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Title: 17 px
    Footer: 26 px
    Hint: 14 px
    Label: 28 px (a) Hint (b) Footer (c) Title (d) Caption
20. 20.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
21. 21.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 10 px
    Hint: 19 px
    Body text: 22 px (a) Title (b) Body text (c) Footer (d) Hint
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Footer: 22 px
    Hint: 20 px
    Caption: 13 px
    Body text: 17 px (a) Menu (b) Footer (c) Caption (d) Hint
25. 25.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
26. 26.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
27. 27.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
28. 28.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) tiny tap areas (d) sudden loud sounds
29. 29.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
30. 30.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
31. 31.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) labels on every icon
32. 32.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
34. 34.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) the battery (d) fast typists
35. 35.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) fast-flashing lights (d) text that can grow
36. 36.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) text that can grow
37. 37.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) sudden loud sounds (d) tiny tap areas
38. 38.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) fast-flashing lights (d) strong colour contrast
39. 39.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Title: 23 px
    Label: 27 px
    Caption: 24 px
    Hint: 27 px (a) Label (b) Caption (c) Body text (d) Title

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