App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 125 · 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.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
3. 3.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
4. 4.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
5. 5.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 10 px
   Caption: 23 px
   Menu: 11 px
   Title: 14 px
   Body text: 19 px
7. 7.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
8. 8.Which of these makes the app harder to use? (a) fast-flashing lights (b) text that can grow (c) big touch targets (d) strong colour contrast
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) strong colour contrast
10. 10.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
11. 11.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
12. 12.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
13. 13.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) sudden loud sounds
14. 14.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
16. 16.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) fast-flashing lights (d) icons with no labels
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Footer: 22 px
    Label: 22 px
    Menu: 11 px (a) Footer (b) Label (c) Caption (d) Menu
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Footer: 9 px
    Menu: 22 px (a) Menu (b) Footer (c) Caption
19. 19.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Caption: 22 px
    Label: 9 px (a) Caption (b) Hint (c) Label
21. 21.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
22. 22.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
23. 23.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
24. 24.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) colour as the only clue (d) fast-flashing lights
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Menu: 25 px
    Caption: 28 px
    Title: 28 px (a) Label (b) Menu (c) Title (d) Caption
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Title: 10 px
    Hint: 15 px
    Label: 21 px
    Caption: 11 px
27. 27.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) sudden loud sounds (d) labels on every icon
28. 28.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
29. 29.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
30. 30.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Menu: 24 px
    Title: 25 px
    Body text: 9 px (a) Caption (b) Menu (c) Title (d) Body text
32. 32.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Footer: 24 px
    Body text: 22 px
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Hint: 23 px
    Title: 10 px
    Footer: 19 px (a) Hint (b) Title (c) Label (d) Footer
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Caption: 20 px
    Menu: 23 px
    Footer: 20 px
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Menu: 12 px
    Title: 17 px
    Footer: 16 px
37. 37.♿ 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
38. 38.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) colour as the only clue (d) icons with no labels
39. 39.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder

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