App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 142 · 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.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 12 px
   Label: 17 px
   Menu: 28 px
   Body text: 17 px (a) Body text (b) Title (c) Menu (d) Label
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 16 px
   Footer: 26 px
   Title: 16 px
   Hint: 11 px
   Menu: 16 px (a) Hint (b) Label (c) Title (d) Footer
4. 4.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
5. 5.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
6. 6.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
7. 7.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
8. 8.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) labels on every icon (d) icons with no labels
9. 9.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
11. 11.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
12. 12.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) captions on videos (d) tiny tap areas
13. 13.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Footer: 16 px
    Hint: 9 px (a) Hint (b) Title (c) Footer
15. 15.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
16. 16.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) sudden loud sounds (d) fast-flashing lights
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Label: 15 px
    Title: 18 px
    Footer: 24 px
    Caption: 21 px
19. 19.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
20. 20.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
21. 21.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
22. 22.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Body text: 21 px
    Label: 17 px
    Footer: 14 px
    Title: 12 px
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Menu: 23 px
    Footer: 24 px
    Title: 13 px (a) Menu (b) Hint (c) Title (d) Footer
25. 25.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) colour as the only clue
26. 26.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) text that can grow (d) tiny tap areas
27. 27.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) strong colour contrast
28. 28.Which of these makes the app harder to use? (a) fast-flashing lights (b) strong colour contrast (c) text that can grow (d) big touch targets
29. 29.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
31. 31.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
32. 32.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) text that can grow (d) captions on videos
33. 33.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
34. 34.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
35. 35.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) icons with no labels (d) sudden loud sounds
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Title: 16 px
    Body text: 14 px (a) Hint (b) Body text (c) Title
37. 37.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Caption: 12 px
    Body text: 22 px
39. 39.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Menu: 26 px
    Title: 16 px
    Hint: 12 px (a) Hint (b) Menu (c) Title (d) Footer

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