App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 346 · 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.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) labels on every icon (d) fast-flashing lights
3. 3.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) colour as the only clue (d) icons with no labels
4. 4.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 13 px
   Footer: 26 px
   Label: 23 px
   Title: 19 px
   Hint: 25 px (a) Label (b) Footer (c) Title (d) Caption
6. 6.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
7. 7.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a sound (d) a text label
8. 8.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) colour as the only clue (d) tiny tap areas
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 10 px
   Hint: 26 px
   Title: 27 px (a) Title (b) Menu (c) Hint
10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) text that can grow (d) tiny tap areas
11. 11.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
13. 13.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
14. 14.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
15. 15.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
16. 16.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
17. 17.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) colour as the only clue (d) captions on videos
18. 18.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) captions on videos
20. 20.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) fast-flashing lights
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Menu: 23 px
    Body text: 24 px
    Label: 18 px
    Hint: 14 px
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Caption: 27 px
    Hint: 22 px
    Label: 25 px (a) Menu (b) Caption (c) Hint (d) Label
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Title: 27 px
    Hint: 23 px
    Body text: 19 px
    Caption: 10 px (a) Title (b) Hint (c) Caption (d) Menu
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Label: 18 px
    Body text: 13 px
    Hint: 23 px
    Footer: 20 px
25. 25.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) big touch targets (d) tiny tap areas
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Caption: 17 px
    Title: 24 px
    Body text: 11 px
    Footer: 16 px (a) Title (b) Hint (c) Body text (d) Caption
27. 27.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
29. 29.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Menu: 13 px
    Title: 22 px
    Body text: 11 px
31. 31.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) labels on every icon (d) tiny tap areas
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Title: 26 px
    Footer: 21 px
    Body text: 14 px
    Menu: 20 px (a) Label (b) Footer (c) Title (d) Body text
33. 33.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Caption: 10 px
    Label: 26 px
    Body text: 22 px (a) Label (b) Menu (c) Caption (d) Body text
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Footer: 13 px
    Hint: 23 px
36. 36.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
37. 37.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) labels on every icon
38. 38.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
39. 39.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) big touch targets (d) labels on every icon

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