App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 277 · 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) labels on every icon (b) text that can grow (c) colour as the only clue (d) big touch targets
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 25 px
   Title: 18 px
   Hint: 9 px (a) Title (b) Label (c) Hint
3. 3.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 12 px
   Hint: 10 px
   Title: 16 px
5. 5.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
6. 6.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
7. 7.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 10 px
   Title: 17 px
   Label: 22 px
   Hint: 16 px (a) Title (b) Footer (c) Label (d) Hint
9. 9.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) labels on every icon (d) big touch targets
10. 10.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Caption: 27 px
    Title: 11 px (a) Caption (b) Menu (c) Title
12. 12.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Menu: 14 px
    Hint: 22 px (a) Hint (b) Title (c) Menu
14. 14.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
15. 15.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
16. 16.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Footer: 15 px
    Body text: 19 px
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Footer: 21 px
    Hint: 24 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Menu: 10 px
    Footer: 27 px
    Label: 28 px
    Body text: 18 px (a) Title (b) Footer (c) Menu (d) Label
20. 20.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Body text: 17 px
    Caption: 13 px
    Footer: 20 px
    Hint: 25 px (a) Caption (b) Footer (c) Body text (d) Label
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) strong colour contrast (d) big touch targets
23. 23.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the battery (d) the server
24. 24.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
25. 25.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) captions on videos
27. 27.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) fast-flashing lights
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Body text: 15 px
    Title: 24 px
    Caption: 24 px
    Footer: 15 px
29. 29.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
31. 31.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Body text: 23 px
    Label: 14 px
34. 34.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Caption: 17 px
    Label: 23 px
    Body text: 13 px
    Footer: 23 px
36. 36.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) fast-flashing lights
37. 37.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) big touch targets
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Caption: 24 px
    Body text: 19 px
    Hint: 14 px (a) Body text (b) Menu (c) Caption (d) Hint
39. 39.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Label: 19 px
    Footer: 20 px
    Body text: 15 px
    Menu: 22 px

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