App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 213 · 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.♿ 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
2. 2.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
3. 3.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
5. 5.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) tiny tap areas (d) colour as the only clue
6. 6.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
7. 7.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) tiny tap areas (d) labels on every icon
8. 8.Which of these makes the app harder to use? (a) strong colour contrast (b) fast-flashing lights (c) text that can grow (d) labels on every icon
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
10. 10.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Label: 16 px
    Hint: 11 px (a) Caption (b) Hint (c) Label
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Title: 23 px
    Menu: 24 px
    Label: 14 px
14. 14.True or false: “strong colour contrast” 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: 10 px
    Body text: 20 px
    Label: 11 px
16. 16.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) icons with no labels
17. 17.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Label: 23 px
    Caption: 13 px
    Footer: 25 px (a) Label (b) Caption (c) Footer (d) Menu
19. 19.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
20. 20.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
21. 21.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) big touch targets (d) colour as the only clue
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Title: 14 px
    Hint: 18 px (a) Title (b) Hint (c) Caption
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Body text: 17 px
    Label: 16 px
    Caption: 17 px
    Hint: 13 px
24. 24.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
25. 25.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) colour as the only clue (d) tiny tap areas
26. 26.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Body text: 14 px
    Title: 25 px (a) Label (b) Body text (c) Title
28. 28.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
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.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) fast-flashing lights
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Title: 13 px
    Body text: 16 px
    Label: 11 px
    Caption: 12 px
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Label: 22 px
    Caption: 11 px
33. 33.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
34. 34.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
35. 35.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) strong colour contrast
36. 36.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
37. 37.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Menu: 16 px
    Title: 28 px (a) Title (b) Caption (c) Menu
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Body text: 14 px
    Label: 22 px (a) Title (b) Label (c) Body text

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