App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 240 · 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: text that can grow? (a) helps everyone (b) makes it harder
2. 2.Which of these helps everyone use the app? (a) tiny tap areas (b) text that can grow (c) colour as the only clue (d) sudden loud sounds
3. 3.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
4. 4.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
5. 5.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) icons with no labels (d) sudden loud sounds
7. 7.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 11 px
   Label: 24 px
   Menu: 24 px (a) Label (b) Menu (c) Hint
9. 9.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
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Menu: 18 px
    Body text: 17 px
    Hint: 16 px (a) Caption (b) Body text (c) Menu (d) Hint
11. 11.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) tiny tap areas (d) fast-flashing lights
12. 12.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) fast-flashing lights (d) labels on every icon
13. 13.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
15. 15.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) text that can grow (d) tiny tap areas
17. 17.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) labels on every icon
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Title: 28 px
    Label: 20 px (a) Label (b) Title (c) Hint
19. 19.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) big touch targets
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Title: 11 px
    Label: 15 px
21. 21.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
22. 22.♿ 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
23. 23.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
24. 24.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
26. 26.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
27. 27.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
29. 29.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
30. 30.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) strong colour contrast (d) icons with no labels
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Caption: 24 px
    Menu: 17 px (a) Footer (b) Menu (c) Caption
32. 32.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Menu: 19 px
    Body text: 24 px
    Title: 14 px
    Label: 18 px (a) Hint (b) Menu (c) Body text (d) Title
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Hint: 22 px
    Caption: 24 px
    Title: 18 px
    Body text: 14 px (a) Menu (b) Hint (c) Body text (d) Caption
35. 35.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Hint: 17 px
    Caption: 11 px
    Footer: 13 px
37. 37.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
38. 38.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Caption: 14 px
    Footer: 22 px
    Menu: 20 px (a) Body text (b) Footer (c) Caption (d) Menu
40. 40.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder

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