App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 598 · 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: strong colour contrast? (a) helps everyone (b) makes it harder
2. 2.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 19 px
   Title: 23 px
   Caption: 25 px
   Footer: 10 px
   Label: 26 px (a) Title (b) Footer (c) Caption (d) Menu
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 15 px
   Caption: 12 px
   Title: 19 px
   Hint: 24 px
   Body text: 23 px
5. 5.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 18 px
   Label: 13 px
   Menu: 22 px
   Hint: 12 px
7. 7.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
8. 8.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) labels on every icon (d) colour as the only clue
9. 9.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) captions on videos (d) big touch targets
11. 11.Which of these helps everyone use the app? (a) big touch targets (b) sudden loud sounds (c) tiny tap areas (d) fast-flashing lights
12. 12.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Label: 13 px
    Hint: 12 px
    Footer: 15 px
    Menu: 12 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Menu: 20 px
    Caption: 22 px
    Hint: 13 px
    Label: 17 px (a) Caption (b) Body text (c) Menu (d) Hint
16. 16.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
18. 18.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
19. 19.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) labels on every icon (d) fast-flashing lights
20. 20.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) icons with no labels (d) tiny tap areas
21. 21.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
23. 23.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) big touch targets
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Label: 23 px
    Menu: 17 px
    Body text: 10 px
    Hint: 24 px
25. 25.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
26. 26.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) text that can grow
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Footer: 20 px
    Menu: 9 px
    Title: 19 px
    Caption: 16 px (a) Menu (b) Hint (c) Footer (d) Title
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Hint: 20 px
    Menu: 27 px
    Caption: 24 px
    Body text: 24 px (a) Hint (b) Menu (c) Caption (d) Label
29. 29.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
30. 30.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
32. 32.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
33. 33.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Footer: 21 px
    Caption: 25 px (a) Caption (b) Title (c) Footer
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Title: 13 px
    Menu: 24 px
    Label: 10 px
    Caption: 10 px
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Title: 23 px
    Caption: 20 px
    Menu: 14 px
    Label: 21 px (a) Footer (b) Menu (c) Title (d) Caption
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Caption: 10 px
    Footer: 11 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Menu: 14 px
    Body text: 18 px (a) Menu (b) Title (c) Body text
39. 39.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
40. 40.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?

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