App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 592 · 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.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) colour as the only clue (d) sudden loud sounds
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) strong colour contrast (d) text that can grow
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 17 px
   Hint: 12 px
   Footer: 23 px (a) Footer (b) Title (c) Hint
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 19 px
   Hint: 15 px
   Footer: 16 px
5. 5.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) sudden loud sounds
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) big touch targets (d) icons with no labels
7. 7.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
8. 8.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) text that can grow (d) captions on videos
9. 9.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) big touch targets
10. 10.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) labels on every icon (d) big touch targets
11. 11.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
12. 12.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
13. 13.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
14. 14.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) captions on videos
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Footer: 19 px
    Label: 20 px
16. 16.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a text label (d) a sound
17. 17.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
18. 18.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) sudden loud sounds (d) text that can grow
19. 19.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Caption: 18 px
    Menu: 23 px
    Label: 13 px (a) Menu (b) Label (c) Caption (d) Body text
21. 21.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Caption: 12 px
    Menu: 22 px
    Footer: 18 px
    Hint: 27 px (a) Caption (b) Menu (c) Title (d) Footer
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 9 px
    Body text: 23 px
    Menu: 24 px (a) Menu (b) Title (c) Footer (d) Body text
24. 24.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) fast-flashing lights (d) captions on videos
25. 25.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Body text: 13 px
    Menu: 17 px
    Title: 22 px (a) Menu (b) Label (c) Body text (d) Title
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Body text: 25 px
    Footer: 24 px (a) Label (b) Footer (c) Body text
29. 29.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
30. 30.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
31. 31.Which of these helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) tiny tap areas (d) fast-flashing lights
32. 32.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
33. 33.Which of these helps everyone use the app? (a) big touch targets (b) icons with no labels (c) colour as the only clue (d) sudden loud sounds
34. 34.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) text that can grow
35. 35.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Menu: 16 px
    Title: 12 px (a) Body text (b) Menu (c) Title
37. 37.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) colour as the only clue (d) captions on videos
38. 38.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Menu: 11 px
    Hint: 18 px
    Footer: 14 px
    Label: 18 px
40. 40.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) tiny tap areas (d) strong colour contrast

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