App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 734 · 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.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
2. 2.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
3. 3.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) text that can grow (d) tiny tap areas
4. 4.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
5. 5.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) big touch targets
6. 6.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
7. 7.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
8. 8.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
9. 9.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) labels on every icon (d) tiny tap areas
10. 10.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
11. 11.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
12. 12.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) captions on videos (d) text that can grow
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Label: 28 px
    Title: 9 px
    Footer: 18 px (a) Title (b) Label (c) Footer (d) Caption
14. 14.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
15. 15.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
16. 16.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
17. 17.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Hint: 18 px
    Footer: 27 px (a) Hint (b) Body text (c) Footer
19. 19.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) tiny tap areas (d) labels on every icon
20. 20.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Title: 12 px
    Body text: 22 px
    Label: 22 px
    Menu: 23 px (a) Title (b) Body text (c) Label (d) Caption
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Body text: 24 px
    Title: 13 px (a) Body text (b) Hint (c) Title
23. 23.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
24. 24.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Body text: 25 px
    Label: 16 px (a) Menu (b) Label (c) Body text
26. 26.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
27. 27.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) text that can grow
28. 28.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
30. 30.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
31. 31.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
32. 32.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
34. 34.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Label: 19 px
    Menu: 13 px
    Caption: 17 px (a) Caption (b) Label (c) Menu (d) Body text
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Label: 23 px
    Footer: 14 px
    Caption: 20 px
    Menu: 25 px (a) Hint (b) Caption (c) Label (d) Footer
37. 37.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) fast-flashing lights (d) big touch targets
38. 38.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Caption: 12 px
    Menu: 16 px (a) Menu (b) Title (c) Caption
40. 40.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?

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