App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 800 · 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?
   Menu: 9 px
   Caption: 23 px
   Hint: 28 px
   Body text: 16 px
   Label: 27 px (a) Body text (b) Menu (c) Caption (d) Hint
2. 2.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
3. 3.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) labels on every icon
4. 4.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) tiny tap areas (d) colour as the only clue
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 24 px
   Label: 27 px
   Hint: 28 px
   Caption: 24 px
   Footer: 14 px (a) Title (b) Footer (c) Label (d) Hint
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 17 px
   Hint: 9 px
   Label: 19 px
   Caption: 17 px (a) Caption (b) Menu (c) Label (d) Hint
7. 7.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 18 px
   Footer: 27 px
   Hint: 26 px
   Menu: 14 px (a) Hint (b) Footer (c) Menu (d) Title
9. 9.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Menu: 16 px
    Caption: 9 px
    Label: 20 px (a) Label (b) Body text (c) Menu (d) Caption
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Hint: 27 px
    Menu: 17 px
    Caption: 23 px (a) Title (b) Menu (c) Caption (d) Hint
12. 12.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
13. 13.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
14. 14.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
15. 15.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) labels on every icon
16. 16.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
17. 17.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
18. 18.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Title: 27 px
    Footer: 14 px (a) Menu (b) Title (c) Footer
20. 20.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
21. 21.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) strong colour contrast (d) captions on videos
23. 23.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) icons with no labels (d) text that can grow
24. 24.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
25. 25.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) colour as the only clue
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Footer: 16 px
    Caption: 20 px (a) Label (b) Footer (c) Caption
27. 27.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
28. 28.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) tiny tap areas (d) labels on every icon
29. 29.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
30. 30.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
32. 32.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
34. 34.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
35. 35.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
36. 36.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Hint: 20 px
    Menu: 11 px (a) Hint (b) Menu (c) Title
38. 38.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Footer: 15 px
    Title: 10 px
    Body text: 16 px
    Label: 18 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Title: 9 px
    Body text: 21 px (a) Body text (b) Footer (c) Title

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