App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 602 · 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 of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) tiny tap areas (d) sudden loud sounds
3. 3.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) captions on videos (d) icons with no labels
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 28 px
   Label: 20 px
   Body text: 27 px
   Caption: 23 px
   Menu: 10 px (a) Footer (b) Menu (c) Body text (d) Label
5. 5.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) text that can grow
7. 7.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) sudden loud sounds
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 23 px
   Label: 23 px
   Hint: 17 px
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) fast-flashing lights
10. 10.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
11. 11.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) fast-flashing lights
12. 12.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) icons with no labels (d) captions on videos
14. 14.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) colour as the only clue (d) big touch targets
15. 15.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
17. 17.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
18. 18.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
20. 20.♿ 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
21. 21.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) sudden loud sounds (d) tiny tap areas
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) labels on every icon (d) big touch targets
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Title: 23 px
    Hint: 21 px
    Caption: 22 px
    Body text: 12 px (a) Body text (b) Title (c) Menu (d) Hint
24. 24.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) labels on every icon (d) colour as the only clue
25. 25.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
26. 26.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Body text: 27 px
    Menu: 10 px
    Title: 27 px
    Caption: 19 px (a) Footer (b) Menu (c) Body text (d) Title
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Menu: 16 px
    Body text: 17 px
    Footer: 18 px (a) Menu (b) Body text (c) Title (d) Footer
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Hint: 12 px
    Label: 16 px
    Menu: 23 px
30. 30.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
31. 31.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
32. 32.♿ A screen has 11 icon buttons. Only 4 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?
    Caption: 13 px
    Title: 21 px
    Label: 20 px
    Body text: 27 px
    Hint: 20 px (a) Label (b) Title (c) Body text (d) Caption
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Body text: 18 px
    Menu: 21 px
    Footer: 22 px
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Hint: 18 px
    Menu: 13 px
36. 36.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) fast-flashing lights (d) tiny tap areas
37. 37.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) big touch targets (d) icons with no labels
38. 38.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Hint: 10 px
    Footer: 12 px
    Body text: 10 px
    Title: 12 px
40. 40.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) sudden loud sounds

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