App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 712 · 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 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
2. 2.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 17 px
   Label: 10 px
   Hint: 28 px
   Caption: 19 px
   Title: 28 px (a) Label (b) Hint (c) Caption (d) Body text
5. 5.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
6. 6.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
7. 7.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) icons with no labels
8. 8.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) sudden loud sounds (d) colour as the only clue
9. 9.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
10. 10.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) sudden loud sounds
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Title: 17 px
    Caption: 20 px
    Hint: 10 px (a) Title (b) Caption (c) Hint (d) Footer
12. 12.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) strong colour contrast (d) text that can grow
13. 13.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Footer: 23 px
    Body text: 17 px
    Title: 28 px
    Caption: 12 px (a) Caption (b) Hint (c) Body text (d) Footer
15. 15.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
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. How many texts on this screen are too small?
    Label: 20 px
    Menu: 11 px
    Hint: 19 px
    Title: 16 px
    Footer: 19 px
18. 18.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a text label (d) a sound
19. 19.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Label: 17 px
    Caption: 23 px (a) Menu (b) Caption (c) Label
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Title: 11 px
    Body text: 27 px (a) Title (b) Body text (c) Caption
22. 22.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) strong colour contrast (d) captions on videos
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Hint: 23 px
    Title: 24 px
    Footer: 19 px
    Menu: 10 px (a) Hint (b) Menu (c) Label (d) Title
24. 24.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Hint: 23 px
    Footer: 19 px
    Title: 10 px
26. 26.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
27. 27.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) labels on every icon
28. 28.Which of these helps everyone use the app? (a) fast-flashing lights (b) strong colour contrast (c) tiny tap areas (d) icons with no labels
29. 29.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) big touch targets (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: 28 px
    Menu: 26 px
    Hint: 12 px
    Title: 22 px (a) Body text (b) Hint (c) Title (d) Menu
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Body text: 12 px
    Caption: 22 px (a) Body text (b) Title (c) Caption
32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
33. 33.♿ A screen has 6 icon buttons. Only 1 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?
    Menu: 14 px
    Body text: 21 px
    Hint: 26 px (a) Menu (b) Body text (c) Hint
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Footer: 16 px
    Label: 10 px
    Title: 14 px
36. 36.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
37. 37.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) icons with no labels
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 17 px
    Menu: 13 px
    Caption: 21 px
    Body text: 26 px (a) Hint (b) Menu (c) Caption (d) Title
39. 39.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Title: 13 px
    Label: 22 px

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