App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 193 · 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?
   Footer: 22 px
   Menu: 12 px
   Body text: 18 px
   Label: 26 px
   Caption: 17 px (a) Footer (b) Menu (c) Body text (d) Label
2. 2.♿ 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
3. 3.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
4. 4.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) colour as the only clue (d) fast-flashing lights
5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
6. 6.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
7. 7.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 27 px
   Hint: 13 px
   Label: 22 px (a) Footer (b) Label (c) Hint
9. 9.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) tiny tap areas (d) colour as the only clue
10. 10.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) colour as the only clue (d) labels on every icon
11. 11.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
12. 12.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) labels on every icon
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) captions on videos
14. 14.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) captions on videos (d) icons with no labels
15. 15.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
16. 16.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) strong colour contrast
18. 18.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
19. 19.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
20. 20.Which of these makes the app harder to use? (a) icons with no labels (b) labels on every icon (c) strong colour contrast (d) text that can grow
21. 21.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
22. 22.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
23. 23.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Hint: 23 px
    Caption: 14 px
    Body text: 18 px
25. 25.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) sudden loud sounds (d) colour as the only clue
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Title: 18 px
    Body text: 26 px
    Footer: 23 px
    Label: 9 px (a) Title (b) Body text (c) Caption (d) Label
28. 28.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Caption: 18 px
    Title: 11 px
    Hint: 28 px (a) Label (b) Hint (c) Caption (d) Title
30. 30.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) fast-flashing lights
31. 31.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) big touch targets (d) labels on every icon
33. 33.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Hint: 14 px
    Caption: 17 px (a) Caption (b) Title (c) Hint
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Menu: 20 px
    Label: 22 px (a) Label (b) Footer (c) Menu
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Caption: 16 px
    Title: 28 px
    Menu: 9 px (a) Body text (b) Menu (c) Title (d) Caption
37. 37.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) tiny tap areas (d) icons with no labels
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Menu: 21 px
    Label: 22 px
39. 39.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Menu: 19 px
    Hint: 21 px (a) Body text (b) Hint (c) Menu

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