App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 182 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 10 px
   Title: 16 px
   Menu: 28 px
   Label: 25 px (a) Label (b) Menu (c) Title (d) Body text
2. 2.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
3. 3.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
4. 4.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
6. 6.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) labels on every icon (d) big touch targets
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 27 px
   Hint: 18 px
   Caption: 24 px
   Body text: 13 px (a) Menu (b) Body text (c) Hint (d) Caption
9. 9.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
10. 10.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Hint: 21 px
    Body text: 22 px
    Label: 18 px
    Title: 14 px
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Label: 17 px
    Footer: 10 px
    Title: 21 px
    Menu: 19 px
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
14. 14.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
15. 15.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
16. 16.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
17. 17.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) sudden loud sounds
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) big touch targets
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Title: 14 px
    Menu: 21 px
    Hint: 24 px
    Label: 20 px
20. 20.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) sudden loud sounds
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Caption: 18 px
    Label: 22 px (a) Caption (b) Label (c) Title
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Body text: 21 px
    Caption: 9 px (a) Menu (b) Body text (c) Caption
23. 23.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Hint: 14 px
    Body text: 14 px
    Menu: 24 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Caption: 17 px
    Hint: 16 px
    Body text: 26 px
    Menu: 9 px (a) Menu (b) Caption (c) Hint (d) Title
26. 26.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
27. 27.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Body text: 16 px
    Title: 17 px
    Label: 12 px
    Footer: 21 px (a) Caption (b) Body text (c) Label (d) Title
29. 29.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
30. 30.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Body text: 19 px
    Hint: 13 px (a) Hint (b) Body text (c) Footer
32. 32.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) big touch targets
33. 33.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) captions on videos
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Label: 16 px
    Body text: 28 px
    Footer: 24 px (a) Label (b) Footer (c) Body text (d) Title
35. 35.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
36. 36.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Menu: 16 px
    Title: 16 px
39. 39.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Menu: 24 px
    Footer: 11 px (a) Footer (b) Menu (c) Title

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