App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 853 · 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: text that can grow? (a) makes it harder (b) helps everyone
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
3. 3.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) sudden loud sounds (d) colour as the only clue
4. 4.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
5. 5.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) tiny tap areas (d) fast-flashing lights
7. 7.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
8. 8.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 14 px
   Caption: 20 px
   Title: 15 px
10. 10.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
11. 11.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) tiny tap areas (d) sudden loud sounds
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
13. 13.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Menu: 12 px
    Footer: 21 px
    Body text: 14 px
    Hint: 21 px
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Label: 13 px
    Caption: 14 px
    Title: 23 px
    Footer: 10 px
16. 16.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) tiny tap areas (d) sudden loud sounds
17. 17.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) captions on videos (d) fast-flashing lights
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Menu: 20 px
    Body text: 21 px (a) Body text (b) Caption (c) Menu
20. 20.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
21. 21.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Body text: 19 px
    Hint: 21 px
    Caption: 12 px (a) Caption (b) Label (c) Body text (d) Hint
23. 23.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
24. 24.♿ A screen has 7 icon buttons. Only 6 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: fast-flashing lights? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Title: 18 px
    Label: 26 px
    Hint: 23 px (a) Label (b) Body text (c) Hint (d) Title
27. 27.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) tiny tap areas (d) labels on every icon
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Footer: 12 px
    Hint: 10 px
    Title: 12 px
29. 29.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
30. 30.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) captions on videos (d) tiny tap areas
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Caption: 10 px
    Body text: 19 px
    Title: 27 px (a) Caption (b) Menu (c) Title (d) Body text
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Title: 18 px
    Label: 26 px
    Body text: 16 px
    Menu: 14 px (a) Caption (b) Menu (c) Title (d) Label
33. 33.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) icons with no labels (d) strong colour contrast
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Body text: 24 px
    Footer: 15 px
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Label: 11 px
    Menu: 10 px
    Hint: 17 px
    Title: 19 px
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Title: 22 px
    Footer: 22 px
    Caption: 23 px
    Body text: 10 px
37. 37.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) sudden loud sounds (d) text that can grow
38. 38.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
39. 39.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) labels on every icon
40. 40.True or false: “text that can grow” helps everyone use the app. (a) False (b) True

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