App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 263 · 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.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
3. 3.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
4. 4.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 12 px
   Caption: 28 px
   Hint: 16 px (a) Caption (b) Body text (c) Hint
6. 6.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
8. 8.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
9. 9.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
11. 11.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
12. 12.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
13. 13.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) captions on videos (d) strong colour contrast
14. 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
15. 15.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (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) to add colour (d) so anyone can follow
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Menu: 23 px
    Footer: 19 px
    Body text: 20 px (a) Menu (b) Body text (c) Label (d) Footer
18. 18.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) sudden loud sounds
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Title: 10 px
    Menu: 10 px
    Body text: 17 px
20. 20.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Menu: 14 px
    Label: 20 px
    Hint: 18 px
22. 22.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
23. 23.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
24. 24.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) tiny tap areas
27. 27.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) sudden loud sounds
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Footer: 16 px
    Menu: 23 px
    Label: 14 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Menu: 9 px
    Footer: 23 px (a) Caption (b) Footer (c) Menu
30. 30.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) text that can grow (d) fast-flashing lights
31. 31.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) big touch targets
32. 32.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Body text: 24 px
    Menu: 24 px
    Title: 11 px (a) Caption (b) Menu (c) Title (d) Body text
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Hint: 13 px
    Footer: 16 px
    Label: 14 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Body text: 22 px
    Caption: 20 px
    Label: 13 px (a) Caption (b) Body text (c) Menu (d) Label
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Title: 23 px
    Footer: 12 px
    Body text: 11 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Caption: 13 px
    Title: 27 px (a) Caption (b) Menu (c) Title
38. 38.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
39. 39.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) fast-flashing lights
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Title: 21 px
    Footer: 18 px
    Caption: 28 px (a) Label (b) Caption (c) Footer (d) Title

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