App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 583 · 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.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
3. 3.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) strong colour contrast (d) fast-flashing lights
4. 4.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) labels on every icon (d) fast-flashing lights
5. 5.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
6. 6.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
7. 7.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 25 px
   Body text: 26 px
   Menu: 22 px
   Caption: 13 px (a) Menu (b) Hint (c) Caption (d) Body text
9. 9.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Title: 24 px
    Label: 23 px
    Hint: 12 px (a) Hint (b) Title (c) Menu (d) Label
11. 11.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
12. 12.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
13. 13.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
14. 14.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
15. 15.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
16. 16.Which of these makes the app harder to use? (a) sudden loud sounds (b) labels on every icon (c) text that can grow (d) strong colour contrast
17. 17.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
18. 18.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) icons with no labels
19. 19.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) sudden loud sounds (d) tiny tap areas
20. 20.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) labels on every icon (d) captions on videos
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Menu: 28 px
    Caption: 20 px (a) Caption (b) Title (c) Menu
22. 22.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Caption: 17 px
    Title: 22 px
    Body text: 25 px
    Footer: 17 px (a) Title (b) Caption (c) Label (d) Body text
24. 24.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) fast-flashing lights
25. 25.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
26. 26.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Hint: 12 px
    Caption: 23 px (a) Footer (b) Caption (c) Hint
28. 28.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
29. 29.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
30. 30.♿ A screen has 5 icon buttons. Only 3 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. How many texts on this screen are too small?
    Hint: 24 px
    Label: 18 px
    Body text: 12 px
    Menu: 22 px
    Caption: 21 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Menu: 19 px
    Hint: 28 px
    Footer: 9 px
    Caption: 21 px (a) Footer (b) Label (c) Hint (d) Menu
33. 33.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) colour as the only clue (d) fast-flashing lights
35. 35.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
36. 36.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) captions on videos (d) colour as the only clue
38. 38.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) colour as the only clue (d) text that can grow
39. 39.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) tiny tap areas (d) colour as the only clue
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Menu: 12 px
    Title: 24 px

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