App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 100 · 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: text that can grow? (a) helps everyone (b) makes it harder
2. 2.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
4. 4.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 12 px
   Hint: 24 px
   Caption: 19 px
6. 6.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) tiny tap areas (d) icons with no labels
7. 7.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
8. 8.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) big touch targets
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) fast-flashing lights (d) strong colour contrast
10. 10.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) tiny tap areas
11. 11.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) labels on every icon (d) colour as the only clue
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Menu: 9 px
    Caption: 23 px (a) Menu (b) Caption (c) Hint
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 17 px
    Hint: 10 px
    Caption: 24 px
    Label: 13 px
14. 14.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) big touch targets
15. 15.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) strong colour contrast (d) text that can grow
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Hint: 23 px
    Label: 15 px
    Menu: 12 px
    Title: 18 px
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Label: 9 px
    Footer: 22 px (a) Hint (b) Label (c) Footer
18. 18.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 28 px
    Caption: 10 px
    Title: 25 px (a) Menu (b) Title (c) Caption
21. 21.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
22. 22.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) tiny tap areas (d) colour as the only clue
23. 23.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Footer: 27 px
    Title: 24 px
    Caption: 23 px
    Hint: 10 px (a) Title (b) Hint (c) Body text (d) Footer
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Hint: 10 px
    Label: 11 px
    Menu: 20 px
26. 26.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
27. 27.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
29. 29.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Caption: 18 px
    Body text: 16 px (a) Body text (b) Hint (c) Caption
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Body text: 20 px
    Hint: 22 px
    Caption: 17 px
    Menu: 23 px
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Caption: 23 px
    Menu: 22 px
33. 33.♿ A screen has 7 icon buttons. Only 4 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: 20 px
    Caption: 21 px
    Label: 12 px
    Hint: 18 px (a) Menu (b) Caption (c) Label (d) Hint
35. 35.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) sudden loud sounds (d) strong colour contrast
36. 36.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) big touch targets (d) text that can grow
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Footer: 21 px
    Title: 16 px
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) labels on every icon (d) sudden loud sounds
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Caption: 21 px
    Hint: 23 px
    Title: 17 px
40. 40.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone

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