App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 232 · 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) fast-flashing lights (b) sudden loud sounds (c) big touch targets (d) icons with no labels
2. 2.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) colour as the only clue
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 14 px
   Label: 26 px
   Menu: 19 px
   Footer: 27 px (a) Label (b) Menu (c) Title (d) Footer
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 18 px
   Hint: 17 px
   Footer: 16 px
5. 5.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
6. 6.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
7. 7.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) text that can grow
8. 8.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
9. 9.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
12. 12.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
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.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Menu: 10 px
    Hint: 13 px
16. 16.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) labels on every icon (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) strong colour contrast (d) tiny tap areas
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Hint: 19 px
    Body text: 27 px
    Label: 20 px
    Title: 26 px (a) Caption (b) Body text (c) Hint (d) Label
19. 19.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) sudden loud sounds (d) colour as the only clue
20. 20.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) fast-flashing lights (d) colour as the only clue
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Caption: 10 px
    Label: 22 px
    Footer: 22 px (a) Label (b) Title (c) Footer (d) Caption
22. 22.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) sudden loud sounds
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) icons with no labels (d) labels on every icon
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Label: 24 px
    Title: 12 px
    Body text: 19 px
25. 25.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
27. 27.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
28. 28.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Hint: 28 px
    Menu: 21 px
    Label: 17 px
    Footer: 24 px (a) Hint (b) Menu (c) Label (d) Title
30. 30.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Title: 21 px
    Footer: 21 px
    Label: 19 px
    Caption: 14 px (a) Menu (b) Footer (c) Title (d) Caption
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Footer: 25 px
    Title: 20 px (a) Footer (b) Title (c) Menu
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Menu: 9 px
    Title: 26 px
    Label: 18 px
    Caption: 21 px (a) Footer (b) Label (c) Title (d) Menu
34. 34.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
36. 36.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Footer: 23 px
    Hint: 24 px (a) Hint (b) Title (c) Footer
38. 38.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
39. 39.♿ A screen has 5 icon buttons. Only 1 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: 20 px
    Footer: 19 px
    Caption: 10 px (a) Body text (b) Footer (c) Caption

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