App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 469 · 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: icons with no labels? (a) helps everyone (b) makes it harder
2. 2.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
3. 3.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
4. 4.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
6. 6.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
7. 7.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
8. 8.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) text that can grow (d) sudden loud sounds
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 11 px
   Label: 27 px
   Menu: 18 px
   Body text: 28 px
   Hint: 24 px (a) Label (b) Menu (c) Footer (d) Body text
10. 10.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Body text: 20 px
    Hint: 23 px
12. 12.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
13. 13.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) tiny tap areas (d) big touch targets
15. 15.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
16. 16.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Menu: 22 px
    Hint: 25 px
    Caption: 25 px
    Label: 23 px (a) Menu (b) Hint (c) Title (d) Caption
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Footer: 10 px
    Title: 22 px
    Caption: 22 px (a) Footer (b) Caption (c) Title (d) Body text
19. 19.Which of these helps everyone use the app? (a) fast-flashing lights (b) strong colour contrast (c) colour as the only clue (d) sudden loud sounds
20. 20.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
21. 21.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
22. 22.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
23. 23.♿ 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
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Footer: 16 px
    Hint: 23 px
    Caption: 11 px
    Menu: 14 px
25. 25.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) icons with no labels (d) labels on every icon
26. 26.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
27. 27.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Body text: 14 px
    Caption: 10 px
    Menu: 12 px
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Menu: 21 px
    Title: 24 px
    Footer: 13 px
30. 30.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Caption: 14 px
    Label: 10 px
    Hint: 24 px
32. 32.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) big touch targets (d) strong colour contrast
33. 33.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Menu: 16 px
    Caption: 28 px
    Label: 19 px
    Body text: 12 px (a) Body text (b) Caption (c) Menu (d) Hint
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Hint: 18 px
    Title: 20 px (a) Hint (b) Title (c) Menu
36. 36.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) captions on videos
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Menu: 21 px
    Body text: 23 px
    Caption: 16 px
    Title: 13 px (a) Menu (b) Title (c) Label (d) Body text
38. 38.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) fast-flashing lights (d) sudden loud sounds
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Body text: 24 px
    Hint: 21 px
    Title: 11 px (a) Title (b) Hint (c) Caption (d) Body text

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