App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 856 · 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. How many texts on this screen are too small?
   Title: 18 px
   Hint: 18 px
   Footer: 19 px
   Menu: 18 px
2. 2.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
3. 3.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) tiny tap areas (d) text that can grow
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
5. 5.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to add colour (d) to hide the sound
6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 20 px
   Footer: 12 px
   Hint: 21 px
   Caption: 16 px
   Body text: 10 px
8. 8.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
9. 9.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Label: 9 px
    Menu: 18 px (a) Label (b) Menu (c) Hint
11. 11.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) colour as the only clue (d) big touch targets
12. 12.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) fast-flashing lights
13. 13.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
14. 14.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) fast-flashing lights
16. 16.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) icons with no labels (d) text that can grow
18. 18.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
19. 19.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Caption: 26 px
    Label: 13 px
    Body text: 20 px (a) Footer (b) Label (c) Body text (d) Caption
21. 21.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) labels on every icon (d) fast-flashing lights
22. 22.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
23. 23.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) tiny tap areas (d) captions on videos
25. 25.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) strong colour contrast (d) text that can grow
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Menu: 22 px
    Hint: 20 px (a) Hint (b) Menu (c) Title
27. 27.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
28. 28.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
29. 29.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Title: 10 px
    Caption: 15 px
    Hint: 16 px
31. 31.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) big touch targets (d) sudden loud sounds
32. 32.Which of these makes the app harder to use? (a) sudden loud sounds (b) labels on every icon (c) strong colour contrast (d) captions on videos
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Footer: 9 px
    Hint: 26 px
    Caption: 22 px
    Body text: 22 px (a) Caption (b) Hint (c) Footer (d) Label
34. 34.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Label: 28 px
    Body text: 14 px (a) Body text (b) Label (c) Caption
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Title: 20 px
    Label: 14 px
37. 37.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
38. 38.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) text that can grow (d) sudden loud sounds
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Hint: 17 px
    Footer: 13 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Body text: 20 px
    Caption: 23 px
    Hint: 21 px
    Menu: 18 px (a) Caption (b) Footer (c) Hint (d) Body text

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