App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 597 · 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.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
2. 2.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
3. 3.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
4. 4.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) tiny tap areas (d) labels on every icon
5. 5.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) colour as the only clue (d) big touch targets
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 13 px
   Menu: 27 px
   Hint: 18 px
   Caption: 16 px (a) Hint (b) Title (c) Menu (d) Caption
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 10 px
   Label: 24 px
   Caption: 16 px (a) Label (b) Title (c) Caption
8. 8.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) labels on every icon (d) tiny tap areas
9. 9.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
11. 11.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) tiny tap areas (d) text that can grow
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Footer: 18 px
    Title: 21 px
    Label: 10 px (a) Caption (b) Label (c) Footer (d) Title
13. 13.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
14. 14.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) captions on videos (d) fast-flashing lights
15. 15.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Hint: 13 px
    Caption: 10 px
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Title: 24 px
    Footer: 17 px
    Label: 27 px
    Body text: 23 px (a) Footer (b) Caption (c) Title (d) Label
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Body text: 9 px
    Menu: 18 px
    Label: 24 px (a) Label (b) Hint (c) Menu (d) Body text
22. 22.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Caption: 12 px
    Label: 21 px
    Body text: 18 px
    Title: 13 px
24. 24.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Label: 18 px
    Body text: 17 px (a) Hint (b) Label (c) Body text
26. 26.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Label: 13 px
    Menu: 13 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Title: 22 px
    Body text: 20 px
    Footer: 26 px
    Label: 14 px (a) Menu (b) Body text (c) Label (d) Title
29. 29.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Caption: 20 px
    Hint: 19 px
    Body text: 9 px (a) Caption (b) Hint (c) Title (d) Body text
31. 31.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
32. 32.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Hint: 11 px
    Body text: 16 px
    Caption: 16 px
34. 34.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Caption: 16 px
    Hint: 19 px
36. 36.♿ 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
37. 37.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
38. 38.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
39. 39.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
40. 40.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone

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