App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 497 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 23 px
   Caption: 28 px
   Hint: 9 px (a) Label (b) Hint (c) Caption
2. 2.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
3. 3.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
4. 4.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
5. 5.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
6. 6.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
7. 7.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
8. 8.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) text that can grow
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Body text: 21 px
    Title: 12 px
    Hint: 22 px
    Label: 10 px
11. 11.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) big touch targets (d) labels on every icon
12. 12.Which of these helps everyone use the app? (a) strong colour contrast (b) fast-flashing lights (c) colour as the only clue (d) icons with no labels
13. 13.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
14. 14.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Footer: 18 px
    Title: 16 px
    Body text: 17 px
16. 16.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Body text: 14 px
    Label: 23 px
    Hint: 27 px (a) Label (b) Caption (c) Hint (d) Body text
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Body text: 21 px
    Label: 23 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Footer: 20 px
    Menu: 28 px
    Title: 14 px (a) Title (b) Footer (c) Hint (d) Menu
20. 20.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) strong colour contrast (d) labels on every icon
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
23. 23.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
24. 24.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) labels on every icon (d) strong colour contrast
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Hint: 24 px
    Body text: 13 px
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Caption: 21 px
    Title: 11 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Footer: 23 px
    Title: 19 px (a) Footer (b) Title (c) Menu
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Hint: 10 px
    Footer: 17 px (a) Title (b) Hint (c) Footer
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
31. 31.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) text that can grow
32. 32.Which of these makes the app harder to use? (a) colour as the only clue (b) text that can grow (c) labels on every icon (d) big touch targets
33. 33.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) sudden loud sounds (d) icons with no labels
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Body text: 24 px
    Caption: 14 px
    Title: 13 px
    Menu: 13 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Title: 27 px
    Label: 27 px
    Menu: 18 px
    Footer: 14 px (a) Title (b) Label (c) Hint (d) Footer
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Hint: 23 px
    Footer: 12 px
    Label: 28 px
    Title: 16 px (a) Footer (b) Label (c) Caption (d) Hint
37. 37.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
38. 38.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
39. 39.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Title: 9 px
    Menu: 23 px (a) Menu (b) Label (c) Title

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