App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 501 · 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?
   Caption: 11 px
   Menu: 23 px
   Label: 21 px
   Body text: 26 px (a) Body text (b) Label (c) Caption (d) Menu
2. 2.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) fast-flashing lights
4. 4.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
5. 5.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) strong colour contrast (d) colour as the only clue
7. 7.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) text that can grow (d) tiny tap areas
9. 9.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Menu: 22 px
    Body text: 17 px
    Footer: 22 px
    Title: 28 px (a) Menu (b) Footer (c) Body text (d) Hint
12. 12.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
13. 13.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) colour as the only clue (d) big touch targets
14. 14.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) labels on every icon (d) text that can grow
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Caption: 24 px
    Label: 18 px
    Body text: 17 px (a) Body text (b) Footer (c) Caption (d) Label
17. 17.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
18. 18.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only experts (d) only the coder
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Menu: 21 px
    Title: 21 px
    Footer: 13 px
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Body text: 10 px
    Footer: 22 px
21. 21.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Label: 16 px
    Footer: 10 px
    Hint: 27 px (a) Title (b) Hint (c) Label (d) Footer
23. 23.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) fast-flashing lights (d) strong colour contrast
24. 24.Which of these helps everyone use the app? (a) icons with no labels (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
25. 25.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
26. 26.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
27. 27.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
28. 28.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) tiny tap areas (d) sudden loud sounds
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Menu: 17 px
    Body text: 14 px (a) Menu (b) Label (c) Body text
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.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Caption: 23 px
    Hint: 10 px
    Menu: 26 px
    Footer: 17 px (a) Caption (b) Menu (c) Hint (d) Title
33. 33.Which of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) labels on every icon (d) text that can grow
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Body text: 25 px
    Caption: 21 px
    Menu: 19 px (a) Menu (b) Caption (c) Title (d) Body text
35. 35.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Title: 19 px
    Caption: 15 px
37. 37.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) sudden loud sounds (d) strong colour contrast
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Body text: 21 px
    Menu: 10 px
    Label: 25 px (a) Body text (b) Label (c) Title (d) Menu
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Body text: 16 px
    Caption: 23 px
40. 40.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True

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