App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 310 · 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: captions on videos? (a) makes it harder (b) helps everyone
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 22 px
   Title: 19 px
   Caption: 21 px
   Hint: 22 px
   Body text: 22 px
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 28 px
   Label: 16 px
   Body text: 9 px (a) Label (b) Hint (c) Body text
4. 4.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 24 px
   Hint: 10 px
   Menu: 22 px
   Label: 10 px
   Title: 16 px
6. 6.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) text that can grow (d) tiny tap areas
7. 7.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
8. 8.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) icons with no labels (d) big touch targets
9. 9.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) text that can grow
10. 10.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) big touch targets (d) captions on videos
12. 12.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) text that can grow (d) colour as the only clue
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Caption: 22 px
    Body text: 20 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Footer: 11 px
    Caption: 21 px
    Title: 11 px
    Hint: 19 px
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Menu: 23 px
    Label: 11 px
    Caption: 23 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Title: 21 px
    Hint: 19 px
    Menu: 21 px
    Body text: 28 px (a) Title (b) Hint (c) Menu (d) Label
17. 17.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
18. 18.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) tiny tap areas (d) text that can grow
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Caption: 27 px
    Label: 27 px (a) Body text (b) Label (c) Caption
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Title: 12 px
    Body text: 13 px
    Footer: 24 px
21. 21.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) colour as the only clue (d) captions on videos
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) big touch targets (d) fast-flashing lights
23. 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
24. 24.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) icons with no labels (d) tiny tap areas
25. 25.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
26. 26.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Title: 17 px
    Footer: 13 px
28. 28.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Caption: 10 px
    Title: 20 px
30. 30.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
31. 31.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
32. 32.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) strong colour contrast (d) labels on every icon
33. 33.Which of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) text that can grow (d) labels on every icon
34. 34.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Label: 12 px
    Body text: 20 px
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Title: 18 px
    Hint: 23 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Body text: 21 px
    Hint: 10 px
    Title: 10 px
    Label: 12 px
38. 38.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Footer: 19 px
    Body text: 17 px
    Label: 20 px
    Title: 18 px
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Title: 13 px
    Body text: 16 px

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