App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 257 · 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 helps everyone use the app? (a) text that can grow (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 10 px
   Caption: 12 px
   Title: 10 px
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 20 px
   Hint: 12 px
   Body text: 18 px (a) Body text (b) Hint (c) Menu
4. 4.♿ 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
5. 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
6. 6.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
7. 7.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
8. 8.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) strong colour contrast (d) fast-flashing lights
9. 9.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Footer: 15 px
    Title: 10 px
    Label: 22 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Label: 19 px
    Body text: 12 px
    Footer: 16 px (a) Footer (b) Menu (c) Body text (d) Label
12. 12.Which of these makes the app harder to use? (a) labels on every icon (b) tiny tap areas (c) text that can grow (d) strong colour contrast
13. 13.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
14. 14.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) fast-flashing lights
15. 15.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) captions on videos
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Hint: 17 px
    Label: 14 px
    Caption: 21 px
    Body text: 21 px
17. 17.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
18. 18.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Footer: 25 px
    Title: 13 px (a) Title (b) Menu (c) Footer
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Footer: 22 px
    Body text: 10 px
    Caption: 22 px (a) Caption (b) Body text (c) Title (d) Footer
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Menu: 10 px
    Body text: 11 px
    Label: 22 px
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Title: 13 px
    Menu: 14 px
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Menu: 16 px
    Caption: 19 px
    Body text: 24 px
    Footer: 12 px
25. 25.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
27. 27.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
28. 28.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
29. 29.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) captions on videos (d) text that can grow
31. 31.Which of these helps everyone use the app? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
32. 32.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
33. 33.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Caption: 18 px
    Body text: 11 px (a) Body text (b) Caption (c) Menu
35. 35.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Caption: 21 px
    Label: 19 px
    Menu: 14 px (a) Label (b) Body text (c) Menu (d) Caption
37. 37.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
38. 38.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
39. 39.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
40. 40.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone

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