App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 446 · 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.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
3. 3.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
4. 4.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) text that can grow (d) icons with no labels
5. 5.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) text that can grow (d) labels on every icon
6. 6.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
7. 7.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
8. 8.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) icons with no labels (d) colour as the only clue
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Caption: 16 px
    Footer: 10 px (a) Footer (b) Body text (c) Caption
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Title: 23 px
    Menu: 13 px
    Body text: 21 px
    Label: 21 px
12. 12.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Label: 21 px
    Menu: 18 px
    Title: 22 px
    Caption: 21 px (a) Hint (b) Menu (c) Label (d) Title
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Caption: 20 px
    Label: 10 px
    Footer: 10 px
    Body text: 24 px
15. 15.♿ 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
16. 16.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Menu: 12 px
    Hint: 21 px
    Caption: 17 px (a) Menu (b) Title (c) Caption (d) Hint
18. 18.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) big touch targets (d) labels on every icon
20. 20.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
21. 21.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) fast-flashing lights (d) tiny tap areas
23. 23.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) big touch targets
24. 24.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Caption: 17 px
    Hint: 11 px (a) Caption (b) Body text (c) Hint
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Footer: 19 px
    Body text: 26 px
    Label: 13 px (a) Label (b) Footer (c) Body text (d) Caption
27. 27.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) colour as the only clue (d) icons with no labels
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Footer: 13 px
    Caption: 28 px (a) Caption (b) Footer (c) Menu
29. 29.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) icons with no labels (d) colour as the only clue
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Title: 9 px
    Caption: 22 px
    Label: 23 px (a) Label (b) Caption (c) Body text (d) Title
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Footer: 19 px
    Caption: 18 px
32. 32.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
33. 33.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
35. 35.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Menu: 19 px
    Footer: 17 px
    Title: 16 px (a) Menu (b) Body text (c) Footer (d) Title
37. 37.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
38. 38.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Title: 18 px
    Label: 16 px
    Footer: 19 px
    Caption: 21 px
40. 40.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone

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