App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 410 · 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: labels on every icon? (a) helps everyone (b) makes it harder
2. 2.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
3. 3.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
4. 4.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) captions on videos
5. 5.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
7. 7.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 18 px
   Caption: 20 px
   Menu: 18 px
   Footer: 15 px
   Title: 23 px
9. 9.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
10. 10.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) labels on every icon (d) tiny tap areas
11. 11.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) sudden loud sounds (d) text that can grow
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Caption: 21 px
    Hint: 28 px
    Label: 16 px
    Menu: 11 px (a) Menu (b) Title (c) Caption (d) Hint
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Hint: 25 px
    Body text: 9 px
    Title: 22 px (a) Title (b) Hint (c) Label (d) Body text
14. 14.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
15. 15.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
16. 16.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) colour as the only clue
17. 17.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) labels on every icon (d) colour as the only clue
18. 18.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Body text: 20 px
    Title: 21 px (a) Hint (b) Body text (c) Title
20. 20.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Menu: 13 px
    Body text: 10 px
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Menu: 19 px
    Hint: 11 px
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Hint: 21 px
    Label: 22 px
    Body text: 24 px (a) Hint (b) Label (c) Caption (d) Body text
24. 24.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
25. 25.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) big touch targets (d) text that can grow
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Caption: 23 px
    Footer: 24 px
27. 27.Which of these makes the app harder to use? (a) fast-flashing lights (b) labels on every icon (c) text that can grow (d) captions on videos
28. 28.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
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.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
31. 31.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Body text: 26 px
    Hint: 28 px
    Caption: 10 px
    Label: 24 px (a) Caption (b) Hint (c) Body text (d) Menu
34. 34.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
36. 36.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Footer: 14 px
    Hint: 24 px
    Body text: 19 px
    Label: 13 px
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) captions on videos (d) labels on every icon
39. 39.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) captions on videos (d) fast-flashing lights
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Hint: 19 px
    Menu: 24 px
    Footer: 22 px (a) Footer (b) Menu (c) Hint (d) Title

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