App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 387 · 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.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) colour as the only clue (d) strong colour contrast
3. 3.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
4. 4.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
5. 5.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
6. 6.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) text that can grow
7. 7.♿ A screen has 7 icon buttons. Only 4 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?
   Label: 18 px
   Menu: 25 px
   Footer: 11 px (a) Label (b) Footer (c) Menu
9. 9.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Menu: 16 px
    Caption: 13 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Hint: 26 px
    Caption: 10 px
    Footer: 27 px
    Title: 20 px (a) Caption (b) Menu (c) Footer (d) Hint
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Body text: 11 px
    Footer: 10 px
13. 13.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
14. 14.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
15. 15.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon
17. 17.♿ A screen has 12 icon buttons. Only 9 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: 13 px
    Label: 20 px
    Footer: 13 px
    Caption: 12 px
    Body text: 11 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Hint: 10 px
    Footer: 16 px (a) Hint (b) Body text (c) Footer
20. 20.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) fast-flashing lights (d) labels on every icon
21. 21.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
22. 22.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) big touch targets
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Body text: 21 px
    Footer: 22 px (a) Hint (b) Footer (c) Body text
24. 24.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Menu: 26 px
    Footer: 11 px (a) Footer (b) Body text (c) Menu
26. 26.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) text that can grow (d) fast-flashing lights
27. 27.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) icons with no labels (d) text that can grow
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Title: 24 px
    Menu: 13 px
    Body text: 20 px
    Caption: 13 px
29. 29.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
30. 30.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
31. 31.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
32. 32.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Label: 10 px
    Footer: 19 px (a) Label (b) Footer (c) Title
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Footer: 20 px
    Title: 20 px
35. 35.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) big touch targets
36. 36.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
37. 37.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) captions on videos (d) strong colour contrast
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Caption: 16 px
    Hint: 16 px
    Title: 26 px
    Label: 16 px (a) Hint (b) Body text (c) Caption (d) Title
40. 40.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True

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