App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 418 · 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.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
2. 2.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
3. 3.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
4. 4.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) colour as the only clue
6. 6.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
7. 7.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) labels on every icon (d) captions on videos
8. 8.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) big touch targets (d) icons with no labels
9. 9.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) fast-flashing lights (d) sudden loud sounds
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Caption: 12 px
    Hint: 19 px
    Body text: 21 px
    Title: 19 px
11. 11.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
12. 12.Which of these makes the app harder to use? (a) fast-flashing lights (b) captions on videos (c) text that can grow (d) big touch targets
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Menu: 12 px
    Footer: 18 px
    Caption: 20 px
14. 14.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
15. 15.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Body text: 14 px
    Footer: 20 px (a) Body text (b) Title (c) Footer
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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Body text: 20 px
    Hint: 22 px (a) Hint (b) Label (c) Body text
19. 19.Which of these helps everyone use the app? (a) strong colour contrast (b) tiny tap areas (c) fast-flashing lights (d) colour as the only clue
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 16 px
    Caption: 20 px
    Footer: 21 px
    Hint: 9 px (a) Caption (b) Label (c) Title (d) Hint
21. 21.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) icons with no labels (d) labels on every icon
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Hint: 18 px
    Title: 25 px (a) Footer (b) Title (c) Hint
24. 24.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
25. 25.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) labels on every icon (d) fast-flashing lights
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Menu: 25 px
    Title: 10 px
    Footer: 24 px (a) Menu (b) Footer (c) Caption (d) Title
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Caption: 24 px
    Title: 19 px
    Label: 9 px
    Hint: 16 px (a) Title (b) Body text (c) Caption (d) Label
28. 28.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Footer: 27 px
    Title: 24 px
    Label: 25 px
    Menu: 22 px (a) Footer (b) Title (c) Label (d) Hint
30. 30.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Hint: 24 px
    Label: 12 px
    Footer: 27 px (a) Footer (b) Label (c) Hint (d) Menu
32. 32.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Body text: 12 px
    Hint: 21 px
34. 34.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
35. 35.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) labels on every icon (d) sudden loud sounds
36. 36.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Caption: 25 px
    Label: 23 px (a) Caption (b) Footer (c) Label
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Body text: 21 px
    Label: 16 px
    Footer: 15 px
40. 40.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) big touch targets

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