App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 798 · 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: fast-flashing lights? (a) helps everyone (b) makes it harder
2. 2.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) labels on every icon (d) strong colour contrast
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) captions on videos (d) tiny tap areas
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 16 px
   Caption: 22 px
   Footer: 10 px (a) Caption (b) Footer (c) Title
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 24 px
   Hint: 16 px
   Caption: 11 px
   Body text: 17 px
6. 6.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
7. 7.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
8. 8.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
9. 9.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a long animation (d) a bright colour
10. 10.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) big touch targets (d) strong colour contrast
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Menu: 17 px
    Title: 15 px
    Footer: 14 px
    Label: 19 px
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Body text: 15 px
    Menu: 10 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Title: 10 px
    Label: 20 px
    Footer: 21 px
    Menu: 27 px (a) Caption (b) Label (c) Title (d) Footer
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Menu: 14 px
    Caption: 19 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Caption: 24 px
    Footer: 11 px
    Label: 18 px (a) Body text (b) Label (c) Footer (d) Caption
16. 16.Which of these makes the app harder to use? (a) tiny tap areas (b) labels on every icon (c) strong colour contrast (d) text that can grow
17. 17.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
18. 18.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Footer: 28 px
    Hint: 27 px
    Body text: 18 px
    Label: 10 px (a) Hint (b) Footer (c) Label (d) Caption
20. 20.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) labels on every icon (d) big touch targets
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Menu: 17 px
    Title: 13 px (a) Footer (b) Title (c) Menu
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Body text: 20 px
    Footer: 28 px
    Caption: 24 px
    Menu: 10 px (a) Footer (b) Body text (c) Menu (d) Label
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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Menu: 10 px
    Footer: 24 px
    Label: 27 px (a) Menu (b) Footer (c) Label (d) Body text
26. 26.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) strong colour contrast
27. 27.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
29. 29.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
31. 31.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Footer: 23 px
    Menu: 19 px
    Title: 17 px
    Body text: 26 px (a) Title (b) Footer (c) Menu (d) Hint
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Menu: 27 px
    Body text: 27 px
    Caption: 17 px (a) Title (b) Caption (c) Menu (d) Body text
34. 34.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
35. 35.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
36. 36.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
37. 37.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
38. 38.♿ A screen has 5 icon buttons. Only 1 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?
    Menu: 19 px
    Hint: 11 px
    Label: 15 px
40. 40.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder

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