App Dev Worksheet: Accessibility

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

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