App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 158 · 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?
   Menu: 21 px
   Label: 17 px
   Caption: 12 px (a) Menu (b) Caption (c) Label
2. 2.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) tiny tap areas (d) colour as the only clue
4. 4.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
5. 5.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 16 px
   Hint: 27 px
   Body text: 11 px
   Menu: 17 px (a) Menu (b) Title (c) Body text (d) Hint
7. 7.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
9. 9.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) takes photos (d) plays music
10. 10.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) labels on every icon
11. 11.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) captions on videos (d) strong colour contrast
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Caption: 12 px
    Label: 23 px
13. 13.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Label: 17 px
    Body text: 21 px (a) Body text (b) Label (c) Hint
15. 15.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) captions on videos (d) labels on every icon
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Body text: 10 px
    Hint: 23 px
    Label: 23 px
    Title: 14 px
17. 17.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Label: 23 px
    Caption: 11 px
    Body text: 23 px (a) Caption (b) Menu (c) Label (d) Body text
19. 19.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
20. 20.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Hint: 9 px
    Label: 18 px (a) Label (b) Title (c) Hint
22. 22.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Footer: 23 px
    Hint: 13 px
    Title: 22 px
24. 24.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) labels on every icon
25. 25.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
26. 26.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) big touch targets (d) colour as the only clue
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) text that can grow (d) labels on every icon
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Footer: 12 px
    Label: 21 px
    Body text: 11 px
    Menu: 11 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Body text: 26 px
    Title: 10 px (a) Label (b) Body text (c) Title
30. 30.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
31. 31.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) tiny tap areas (d) strong colour contrast
32. 32.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
33. 33.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Menu: 10 px
    Body text: 16 px
35. 35.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Hint: 11 px
    Footer: 23 px
    Menu: 19 px
37. 37.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
38. 38.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
39. 39.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
40. 40.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) big touch targets (d) colour as the only clue

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