App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 71 · 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.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) text that can grow (d) fast-flashing lights
2. 2.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
3. 3.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
4. 4.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
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 26 px
   Caption: 26 px
   Footer: 21 px
   Body text: 9 px
   Menu: 25 px (a) Caption (b) Body text (c) Label (d) Footer
6. 6.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) icons with no labels (d) tiny tap areas
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 18 px
   Body text: 11 px
   Hint: 16 px
   Footer: 21 px
   Caption: 22 px
9. 9.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Label: 10 px
    Title: 14 px
    Body text: 14 px
11. 11.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
12. 12.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) captions on videos (d) icons with no labels
13. 13.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
14. 14.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
15. 15.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
16. 16.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
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: sudden loud sounds? (a) makes it harder (b) helps everyone
19. 19.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a sound (d) a bright colour
20. 20.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Hint: 24 px
    Label: 19 px
    Caption: 23 px
    Title: 11 px (a) Title (b) Hint (c) Menu (d) Label
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Caption: 23 px
    Menu: 22 px
    Hint: 16 px
    Footer: 11 px
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Menu: 10 px
    Title: 23 px
24. 24.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
25. 25.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) labels on every icon (d) tiny tap areas
26. 26.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) sudden loud sounds
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Label: 19 px
    Title: 9 px (a) Caption (b) Title (c) Label
28. 28.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Hint: 13 px
    Body text: 24 px
    Footer: 20 px
30. 30.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Hint: 20 px
    Title: 18 px
    Footer: 23 px (a) Footer (b) Title (c) Caption (d) Hint
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Hint: 20 px
    Caption: 9 px (a) Label (b) Caption (c) Hint
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) tiny tap areas (d) big touch targets
34. 34.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
35. 35.Which of these helps everyone use the app? (a) tiny tap areas (b) captions on videos (c) icons with no labels (d) sudden loud sounds
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Title: 22 px
    Footer: 16 px
37. 37.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) labels on every icon (d) fast-flashing lights
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Label: 26 px
    Menu: 18 px
    Hint: 14 px
    Body text: 26 px (a) Hint (b) Caption (c) Menu (d) Label
39. 39.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Caption: 21 px
    Body text: 19 px (a) Title (b) Caption (c) Body text

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