App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 89 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 20 px
   Label: 26 px
   Body text: 22 px
   Footer: 10 px
   Title: 26 px (a) Body text (b) Footer (c) Hint (d) Label
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) colour as the only clue
3. 3.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
4. 4.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 19 px
   Hint: 15 px
   Footer: 14 px
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 11 px
   Caption: 20 px
   Footer: 16 px (a) Footer (b) Label (c) Caption
7. 7.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
8. 8.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only the coder (d) only experts
9. 9.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
10. 10.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Hint: 17 px
    Body text: 11 px
    Footer: 20 px
    Label: 17 px (a) Footer (b) Hint (c) Body text (d) Title
12. 12.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) big touch targets (d) captions on videos
13. 13.Which of these makes the app harder to use? (a) fast-flashing lights (b) captions on videos (c) labels on every icon (d) strong colour contrast
14. 14.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Label: 14 px
    Menu: 11 px
    Body text: 17 px
    Footer: 18 px
16. 16.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
17. 17.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Footer: 22 px
    Caption: 10 px (a) Body text (b) Caption (c) Footer
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Body text: 23 px
    Hint: 27 px (a) Hint (b) Body text (c) Label
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Body text: 18 px
    Caption: 15 px
    Menu: 20 px
    Label: 17 px
21. 21.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
22. 22.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) labels on every icon (d) captions on videos
23. 23.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
24. 24.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
25. 25.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
26. 26.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) text that can grow (d) strong colour contrast
27. 27.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) fast-flashing lights (d) sudden loud sounds
28. 28.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
29. 29.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Label: 23 px
    Hint: 9 px (a) Footer (b) Hint (c) Label
31. 31.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Menu: 12 px
    Label: 24 px
    Body text: 20 px (a) Menu (b) Body text (c) Caption (d) Label
33. 33.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
34. 34.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) icons with no labels
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Body text: 10 px
    Hint: 23 px
    Footer: 24 px
    Title: 28 px (a) Footer (b) Hint (c) Body text (d) Caption
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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Footer: 22 px
    Title: 18 px
    Hint: 9 px (a) Footer (b) Caption (c) Title (d) Hint
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) text that can grow (d) sudden loud sounds
39. 39.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Title: 20 px
    Footer: 14 px (a) Title (b) Footer (c) Body text

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students