App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 619 · 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) makes it harder (b) helps everyone
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) strong colour contrast (d) labels on every icon
3. 3.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) fast-flashing lights (d) strong colour contrast
4. 4.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 17 px
   Body text: 17 px
   Hint: 10 px
   Label: 26 px
   Title: 24 px (a) Hint (b) Menu (c) Label (d) Body text
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 14 px
   Label: 25 px
   Title: 24 px (a) Title (b) Label (c) Menu
7. 7.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
8. 8.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
9. 9.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
10. 10.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
12. 12.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) sudden loud sounds (d) captions on videos
13. 13.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) fast-flashing lights (d) sudden loud sounds
14. 14.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
15. 15.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Label: 23 px
    Caption: 22 px
    Body text: 27 px (a) Title (b) Label (c) Caption (d) Body text
17. 17.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Body text: 28 px
    Footer: 25 px
    Hint: 21 px (a) Footer (b) Menu (c) Body text (d) Hint
19. 19.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) labels on every icon (d) text that can grow
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Hint: 28 px
    Caption: 14 px
    Title: 16 px
    Body text: 20 px (a) Hint (b) Caption (c) Title (d) Footer
21. 21.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
22. 22.Which of these makes the app harder to use? (a) strong colour contrast (b) icons with no labels (c) captions on videos (d) labels on every icon
23. 23.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
24. 24.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Label: 24 px
    Menu: 12 px
    Hint: 21 px
    Title: 21 px (a) Hint (b) Label (c) Menu (d) Body text
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Label: 10 px
    Hint: 14 px
    Body text: 11 px
    Title: 24 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Label: 21 px
    Caption: 19 px (a) Body text (b) Label (c) Caption
28. 28.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) the server (d) fast typists
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Title: 17 px
    Caption: 24 px (a) Title (b) Label (c) Caption
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Footer: 12 px
    Body text: 25 px
    Title: 22 px
    Caption: 25 px (a) Footer (b) Title (c) Body text (d) Label
31. 31.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) big touch targets
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Caption: 22 px
    Label: 26 px (a) Caption (b) Label (c) Title
34. 34.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
35. 35.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) sudden loud sounds
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Body text: 15 px
    Hint: 21 px
    Caption: 18 px
39. 39.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) big touch targets (d) strong colour contrast
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Label: 24 px
    Footer: 20 px
    Caption: 12 px
    Menu: 27 px (a) Caption (b) Label (c) Hint (d) Footer

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