App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 190 · 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 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 21 px
   Hint: 18 px
   Menu: 13 px
4. 4.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 17 px
   Title: 19 px
   Hint: 11 px
6. 6.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 21 px
   Body text: 19 px
   Hint: 18 px
   Label: 10 px (a) Label (b) Hint (c) Body text (d) Caption
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 27 px
   Footer: 9 px
   Menu: 18 px
   Body text: 27 px
   Label: 18 px (a) Footer (b) Title (c) Body text (d) Menu
9. 9.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to add colour (d) to hide the sound
10. 10.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
11. 11.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Caption: 10 px
    Menu: 18 px
    Title: 12 px
    Label: 12 px
13. 13.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Hint: 16 px
    Label: 28 px
    Caption: 24 px
    Menu: 27 px (a) Body text (b) Caption (c) Label (d) Hint
15. 15.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) labels on every icon (d) fast-flashing lights
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Title: 12 px
    Caption: 20 px
    Footer: 23 px
17. 17.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
18. 18.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
19. 19.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Title: 22 px
    Hint: 14 px
21. 21.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) strong colour contrast (d) big touch targets
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 22 px
    Body text: 28 px
    Menu: 22 px
    Footer: 14 px (a) Hint (b) Body text (c) Footer (d) Title
23. 23.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) big touch targets
24. 24.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
26. 26.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
27. 27.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Hint: 24 px
    Body text: 13 px
    Footer: 17 px
29. 29.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) text that can grow (d) labels on every icon
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Title: 22 px
    Label: 28 px
    Footer: 18 px
    Menu: 21 px (a) Label (b) Footer (c) Title (d) Caption
31. 31.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
32. 32.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Footer: 19 px
    Body text: 14 px (a) Footer (b) Body text (c) Title
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Caption: 28 px
    Title: 22 px
    Footer: 24 px
    Menu: 10 px (a) Menu (b) Body text (c) Caption (d) Title
35. 35.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) big touch targets (d) strong colour contrast
36. 36.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) big touch targets (d) icons with no labels
37. 37.Which of these makes the app harder to use? (a) tiny tap areas (b) labels on every icon (c) big touch targets (d) strong colour contrast
38. 38.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
40. 40.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?

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