App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 577 · 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.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) text that can grow (d) labels on every icon
2. 2.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
3. 3.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) big touch targets
4. 4.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
5. 5.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
6. 6.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
7. 7.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
8. 8.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) tiny tap areas (d) sudden loud sounds
9. 9.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Menu: 10 px
    Body text: 27 px
    Hint: 23 px (a) Menu (b) Title (c) Body text (d) Hint
11. 11.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) captions on videos (d) fast-flashing lights
12. 12.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
13. 13.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Caption: 11 px
    Title: 24 px
    Label: 23 px (a) Title (b) Label (c) Caption (d) Menu
15. 15.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
16. 16.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
17. 17.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
18. 18.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
20. 20.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
21. 21.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) fast-flashing lights
23. 23.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
24. 24.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a sound (d) a text label
25. 25.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
26. 26.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
27. 27.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Hint: 11 px
    Title: 23 px
    Body text: 21 px
29. 29.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
30. 30.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
31. 31.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
32. 32.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
33. 33.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) fast-flashing lights
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Menu: 16 px
    Caption: 10 px
    Title: 20 px
    Body text: 23 px (a) Menu (b) Hint (c) Title (d) Caption
36. 36.♿ A screen has 6 icon buttons. Only 1 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?
    Label: 21 px
    Hint: 12 px
    Footer: 15 px
    Caption: 17 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Menu: 10 px
    Caption: 24 px
    Label: 15 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Title: 13 px
    Caption: 17 px
    Hint: 14 px
40. 40.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) icons with no labels

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