App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 758 · 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: text that can grow? (a) makes it harder (b) helps everyone
2. 2.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
3. 3.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 22 px
   Hint: 21 px
   Menu: 11 px
   Title: 13 px
5. 5.♿ A screen has 7 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. Which text on this screen is too small?
   Caption: 23 px
   Footer: 24 px
   Label: 10 px
   Hint: 20 px (a) Hint (b) Label (c) Caption (d) Footer
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 10 px
   Menu: 22 px
   Label: 17 px (a) Menu (b) Label (c) Caption
8. 8.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) colour as the only clue
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) text that can grow (d) strong colour contrast
10. 10.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) big touch targets (d) icons with no labels
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Caption: 20 px
    Hint: 24 px
    Body text: 11 px
    Title: 26 px (a) Caption (b) Hint (c) Body text (d) Menu
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Caption: 12 px
    Title: 19 px
    Body text: 22 px
13. 13.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) text that can grow (d) sudden loud sounds
15. 15.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
17. 17.True or false: “icons with no labels” 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) helps everyone (b) makes it harder
19. 19.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
20. 20.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) tiny tap areas (d) text that can grow
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Caption: 25 px
    Title: 26 px
    Label: 10 px
    Hint: 23 px (a) Footer (b) Caption (c) Label (d) Title
22. 22.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) captions on videos (d) fast-flashing lights
23. 23.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) tiny tap areas
24. 24.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) icons with no labels (d) fast-flashing lights
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Hint: 11 px
    Caption: 10 px
    Menu: 21 px
26. 26.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) labels on every icon (d) text that can grow
27. 27.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Hint: 14 px
    Title: 20 px
    Menu: 16 px
    Footer: 14 px
29. 29.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) text that can grow
30. 30.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
31. 31.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) strong colour contrast (d) tiny tap areas
33. 33.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
34. 34.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Body text: 21 px
    Footer: 18 px (a) Body text (b) Footer (c) Caption
36. 36.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Hint: 18 px
    Title: 25 px
    Footer: 27 px (a) Hint (b) Menu (c) Footer (d) Title
38. 38.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
39. 39.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
40. 40.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) strong colour contrast (d) big touch targets

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