App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 229 · 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) fast-flashing lights (b) colour as the only clue (c) big touch targets (d) sudden loud sounds
2. 2.🔍 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
3. 3.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 22 px
   Menu: 9 px
   Hint: 18 px
   Caption: 23 px (a) Hint (b) Menu (c) Body text (d) Caption
5. 5.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
6. 6.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
7. 7.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
9. 9.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
10. 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
11. 11.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) sudden loud sounds
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Footer: 11 px
    Title: 13 px
    Hint: 20 px
13. 13.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Title: 12 px
    Caption: 28 px
    Body text: 25 px
    Footer: 23 px (a) Body text (b) Caption (c) Hint (d) Title
16. 16.Which of these helps everyone use the app? (a) fast-flashing lights (b) strong colour contrast (c) icons with no labels (d) tiny tap areas
17. 17.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
18. 18.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) tiny tap areas (d) labels on every icon
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Hint: 13 px
    Caption: 16 px
    Title: 10 px
20. 20.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
21. 21.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
22. 22.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
23. 23.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Title: 19 px
    Body text: 16 px
    Hint: 13 px
    Caption: 20 px (a) Hint (b) Body text (c) Title (d) Label
25. 25.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) captions on videos (d) colour as the only clue
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Caption: 13 px
    Title: 11 px
    Hint: 11 px
    Body text: 19 px
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Label: 10 px
    Hint: 11 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Caption: 17 px
    Hint: 13 px
    Body text: 22 px
    Menu: 28 px (a) Caption (b) Label (c) Hint (d) Body text
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Menu: 10 px
    Label: 23 px
30. 30.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) text that can grow (d) captions on videos
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Caption: 25 px
    Menu: 14 px (a) Label (b) Caption (c) Menu
32. 32.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) fast-flashing lights
34. 34.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
35. 35.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Menu: 23 px
    Hint: 22 px
    Label: 12 px
    Footer: 24 px
37. 37.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) fast-flashing lights
38. 38.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) labels on every icon (d) big touch targets
39. 39.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
40. 40.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) strong colour contrast (d) big touch targets

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