App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 593 · 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.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 27 px
   Caption: 19 px
   Footer: 16 px
   Title: 12 px (a) Caption (b) Body text (c) Footer (d) Title
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 18 px
   Caption: 13 px
   Title: 20 px
   Footer: 11 px
   Hint: 24 px
4. 4.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) labels on every icon (d) tiny tap areas
5. 5.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
7. 7.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) sudden loud sounds (d) tiny tap areas
8. 8.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) fast-flashing lights
9. 9.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
10. 10.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) sudden loud sounds
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Caption: 18 px
    Title: 14 px (a) Caption (b) Footer (c) Title
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Footer: 25 px
    Hint: 18 px
    Label: 17 px
    Title: 24 px (a) Footer (b) Menu (c) Hint (d) Label
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 28 px
    Caption: 27 px
    Label: 22 px
    Title: 11 px
    Hint: 23 px (a) Menu (b) Caption (c) Label (d) Title
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Label: 27 px
    Caption: 10 px (a) Caption (b) Menu (c) Label
15. 15.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Title: 26 px
    Hint: 22 px
    Body text: 13 px
    Label: 24 px (a) Title (b) Hint (c) Body text (d) Menu
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Hint: 9 px
    Caption: 25 px (a) Caption (b) Hint (c) Body text
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Body text: 17 px
    Hint: 11 px (a) Body text (b) Menu (c) Hint
19. 19.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
20. 20.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) big touch targets (d) strong colour contrast
23. 23.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
25. 25.True or false: “icons with no labels” 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.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) text that can grow
28. 28.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
29. 29.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
30. 30.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Label: 19 px
    Body text: 19 px
    Hint: 17 px
    Title: 13 px
32. 32.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Caption: 28 px
    Title: 14 px (a) Footer (b) Title (c) Caption
34. 34.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) text that can grow (d) captions on videos
35. 35.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) icons with no labels (d) sudden loud sounds
36. 36.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) strong colour contrast
38. 38.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Title: 24 px
    Hint: 14 px
    Caption: 24 px
    Label: 21 px
40. 40.True or false: “big touch targets” helps everyone use the app. (a) False (b) True

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