App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 414 · 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: sudden loud sounds? (a) helps everyone (b) makes it harder
2. 2.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) captions on videos (d) big touch targets
3. 3.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
4. 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
5. 5.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 21 px
   Label: 10 px
   Title: 22 px
   Footer: 26 px (a) Title (b) Footer (c) Menu (d) Label
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 20 px
   Footer: 11 px
   Menu: 23 px
8. 8.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
9. 9.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
10. 10.Which of these makes the app harder to use? (a) labels on every icon (b) tiny tap areas (c) captions on videos (d) strong colour contrast
11. 11.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
12. 12.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) fast-flashing lights (d) colour as the only clue
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Caption: 28 px
    Body text: 20 px
    Hint: 10 px
    Footer: 26 px (a) Caption (b) Hint (c) Body text (d) Title
15. 15.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
16. 16.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
17. 17.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Label: 24 px
    Footer: 18 px
    Caption: 28 px (a) Caption (b) Footer (c) Body text (d) Label
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Body text: 10 px
    Caption: 17 px (a) Caption (b) Body text (c) Footer
20. 20.♿ 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
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Caption: 19 px
    Hint: 28 px
    Menu: 24 px
    Label: 24 px (a) Hint (b) Caption (c) Footer (d) Menu
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Hint: 23 px
    Caption: 24 px
23. 23.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) tiny tap areas (d) fast-flashing lights
24. 24.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) labels on every icon (d) colour as the only clue
25. 25.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Body text: 23 px
    Title: 25 px
    Caption: 28 px
    Menu: 13 px (a) Menu (b) Body text (c) Label (d) Title
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Label: 12 px
    Hint: 16 px
    Title: 24 px
    Footer: 24 px
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Hint: 15 px
    Menu: 11 px
29. 29.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
31. 31.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Caption: 20 px
    Body text: 27 px
    Title: 14 px (a) Body text (b) Title (c) Caption (d) Hint
33. 33.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
34. 34.Which of these makes the app harder to use? (a) icons with no labels (b) captions on videos (c) labels on every icon (d) big touch targets
35. 35.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) text that can grow
36. 36.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) text that can grow (d) tiny tap areas
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Title: 23 px
    Caption: 11 px (a) Hint (b) Title (c) Caption
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Label: 22 px
    Footer: 18 px
    Menu: 16 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Label: 26 px
    Title: 20 px
    Body text: 16 px
    Footer: 11 px (a) Title (b) Footer (c) Label (d) Menu
40. 40.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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