App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 756 · 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: big touch targets? (a) makes it harder (b) helps everyone
2. 2.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) icons with no labels (d) strong colour contrast
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 9 px
   Menu: 17 px
   Footer: 18 px (a) Hint (b) Menu (c) Footer
4. 4.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) sudden loud sounds
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 21 px
   Title: 18 px
   Label: 11 px
   Menu: 18 px
   Caption: 14 px
6. 6.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) fast-flashing lights
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 22 px
   Footer: 23 px
   Title: 9 px (a) Title (b) Footer (c) Menu
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
10. 10.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
11. 11.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) text that can grow (d) tiny tap areas
12. 12.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
13. 13.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
14. 14.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
15. 15.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
17. 17.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Body text: 10 px
    Caption: 13 px
20. 20.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) fast-flashing lights (d) strong colour contrast
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Label: 17 px
    Hint: 15 px
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Footer: 12 px
    Body text: 11 px
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Caption: 18 px
    Label: 22 px
    Footer: 21 px
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Title: 12 px
    Caption: 11 px
    Label: 19 px
    Body text: 19 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Title: 22 px
    Label: 24 px (a) Title (b) Caption (c) Label
26. 26.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
27. 27.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
28. 28.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) strong colour contrast (d) text that can grow
30. 30.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) text that can grow
31. 31.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) icons with no labels (d) big touch targets
32. 32.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Footer: 22 px
    Label: 10 px
    Title: 28 px
    Body text: 19 px (a) Label (b) Title (c) Footer (d) Menu
34. 34.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) labels on every icon (d) sudden loud sounds
35. 35.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Body text: 19 px
    Label: 25 px
    Hint: 12 px
    Footer: 16 px (a) Caption (b) Hint (c) Label (d) Body text
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Hint: 12 px
    Label: 28 px (a) Hint (b) Caption (c) Label
38. 38.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
39. 39.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) labels on every icon (d) big touch targets

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