App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 292 · 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) labels on every icon (b) captions on videos (c) tiny tap areas (d) big touch targets
2. 2.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
4. 4.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
5. 5.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) strong colour contrast
6. 6.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
7. 7.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 26 px
   Label: 12 px
   Title: 22 px
   Body text: 23 px (a) Menu (b) Title (c) Body text (d) Label
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 17 px
   Label: 24 px
   Menu: 11 px
   Footer: 28 px
   Title: 19 px (a) Hint (b) Footer (c) Label (d) Menu
10. 10.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
11. 11.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
12. 12.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) text that can grow (d) big touch targets
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Caption: 14 px
    Menu: 14 px
    Body text: 18 px
14. 14.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
15. 15.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
16. 16.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Caption: 25 px
    Body text: 12 px
    Menu: 19 px (a) Caption (b) Menu (c) Title (d) Body text
18. 18.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) sudden loud sounds (d) fast-flashing lights
19. 19.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
20. 20.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
21. 21.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Body text: 12 px
    Menu: 20 px
    Footer: 16 px
    Label: 22 px (a) Menu (b) Hint (c) Footer (d) Body text
23. 23.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) sudden loud sounds (d) captions on videos
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) sudden loud sounds
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Footer: 12 px
    Body text: 16 px
    Title: 25 px
    Hint: 20 px (a) Body text (b) Caption (c) Title (d) Footer
26. 26.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
27. 27.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) tiny tap areas (d) fast-flashing lights
29. 29.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
30. 30.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Hint: 18 px
    Body text: 9 px
    Title: 27 px
    Label: 20 px (a) Title (b) Body text (c) Hint (d) Caption
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Hint: 22 px
    Body text: 28 px
    Caption: 20 px
    Label: 21 px (a) Menu (b) Hint (c) Body text (d) Caption
33. 33.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) colour as the only clue (d) text that can grow
34. 34.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
35. 35.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Body text: 14 px
    Hint: 20 px
    Footer: 21 px (a) Title (b) Hint (c) Body text (d) Footer
37. 37.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Title: 28 px
    Menu: 9 px
    Body text: 22 px
    Caption: 21 px (a) Menu (b) Title (c) Label (d) Body text
39. 39.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
40. 40.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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