App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 386 · 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) icons with no labels (b) fast-flashing lights (c) captions on videos (d) sudden loud sounds
2. 2.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 20 px
   Footer: 28 px
   Title: 11 px
   Caption: 19 px (a) Menu (b) Footer (c) Title (d) Caption
4. 4.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
5. 5.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
6. 6.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) icons with no labels
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 12 px
   Menu: 10 px
   Title: 23 px
8. 8.♿ 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
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) strong colour contrast
10. 10.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Body text: 26 px
    Footer: 11 px
    Label: 18 px (a) Hint (b) Body text (c) Footer (d) Label
12. 12.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Footer: 20 px
    Caption: 12 px
14. 14.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Hint: 19 px
    Body text: 17 px
    Label: 10 px
16. 16.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
17. 17.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) icons with no labels (d) colour as the only clue
18. 18.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
19. 19.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
20. 20.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) text that can grow (d) labels on every icon
21. 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) big touch targets (d) icons with no labels
23. 23.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
24. 24.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
25. 25.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Label: 21 px
    Menu: 13 px
    Title: 23 px
    Hint: 18 px
27. 27.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) colour as the only clue
28. 28.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Title: 28 px
    Body text: 20 px (a) Caption (b) Body text (c) Title
30. 30.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Hint: 21 px
    Label: 19 px
    Body text: 24 px
32. 32.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) captions on videos (d) fast-flashing lights
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Menu: 15 px
    Hint: 20 px
    Footer: 14 px
34. 34.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
35. 35.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Footer: 14 px
    Title: 13 px
    Caption: 11 px
37. 37.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Label: 16 px
    Body text: 24 px
    Title: 20 px
40. 40.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) text that can grow (d) fast-flashing lights

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