App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 688 · 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.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) colour as the only clue
3. 3.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) colour as the only clue (d) icons with no labels
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 13 px
   Footer: 20 px
   Label: 12 px
6. 6.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
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 helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) icons with no labels
9. 9.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
10. 10.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Hint: 21 px
    Body text: 20 px
    Title: 21 px
    Caption: 13 px
12. 12.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Body text: 12 px
    Menu: 13 px
    Title: 14 px
    Footer: 23 px
14. 14.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) big touch targets (d) captions on videos
15. 15.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
17. 17.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) big touch targets
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Caption: 21 px
    Hint: 17 px
    Body text: 10 px
    Title: 15 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Body text: 10 px
    Label: 20 px
    Footer: 22 px
    Hint: 16 px (a) Footer (b) Caption (c) Label (d) Body text
20. 20.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) icons with no labels
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Hint: 21 px
    Footer: 14 px
    Body text: 18 px
    Caption: 15 px
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Footer: 11 px
    Hint: 12 px
    Title: 19 px
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.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
25. 25.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
26. 26.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
27. 27.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Footer: 16 px
    Hint: 19 px
    Body text: 13 px
    Title: 18 px (a) Menu (b) Footer (c) Body text (d) Hint
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Caption: 19 px
    Hint: 20 px
    Body text: 19 px
    Footer: 23 px
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Menu: 17 px
    Label: 19 px
    Footer: 18 px
31. 31.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Body text: 23 px
    Title: 13 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Menu: 12 px
    Title: 24 px
    Label: 26 px (a) Menu (b) Label (c) Footer (d) Title
34. 34.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
35. 35.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) fast-flashing lights (d) text that can grow
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) labels on every icon
38. 38.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
39. 39.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder

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