App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 718 · 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: big touch targets? (a) helps everyone (b) makes it harder
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) colour as the only clue
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 19 px
   Footer: 18 px
   Caption: 24 px
   Label: 12 px
   Title: 19 px (a) Footer (b) Caption (c) Label (d) Menu
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 10 px
   Hint: 14 px
   Menu: 14 px
   Title: 12 px
   Body text: 20 px
5. 5.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a text label (d) a sound
6. 6.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
7. 7.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) sudden loud sounds
9. 9.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Title: 16 px
    Label: 12 px
    Body text: 28 px (a) Label (b) Title (c) Footer (d) Body text
11. 11.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Footer: 20 px
    Label: 11 px (a) Footer (b) Label (c) Title
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Hint: 17 px
    Menu: 18 px
    Footer: 12 px
    Title: 22 px (a) Menu (b) Hint (c) Label (d) Footer
14. 14.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Caption: 27 px
    Title: 10 px (a) Title (b) Label (c) Caption
18. 18.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Caption: 26 px
    Title: 12 px
    Label: 17 px
    Footer: 18 px (a) Hint (b) Label (c) Title (d) Caption
20. 20.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) sudden loud sounds (d) text that can grow
21. 21.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) colour as the only clue (d) tiny tap areas
22. 22.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) colour as the only clue (d) captions on videos
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Caption: 18 px
    Menu: 21 px
    Title: 13 px
    Hint: 19 px (a) Footer (b) Caption (c) Menu (d) Title
24. 24.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Hint: 12 px
    Label: 12 px
27. 27.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
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Footer: 13 px
    Caption: 18 px
    Hint: 24 px (a) Footer (b) Caption (c) Hint (d) Body text
29. 29.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) strong colour contrast (d) labels on every icon
30. 30.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) text that can grow
31. 31.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
32. 32.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) fast-flashing lights (d) icons with no labels
33. 33.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) tiny tap areas (d) labels on every icon
34. 34.♿ A screen has 7 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. Which text on this screen is too small?
    Footer: 26 px
    Menu: 14 px
    Title: 27 px (a) Footer (b) Menu (c) Title
36. 36.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Menu: 15 px
    Body text: 11 px
    Title: 18 px
    Label: 22 px
38. 38.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Hint: 14 px
    Caption: 28 px (a) Body text (b) Caption (c) Hint
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Footer: 20 px
    Body text: 24 px

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