App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 61 · 40 questions

Developer's tip (Think like the user): First decide which topic the question is about. Use that lesson’s rule: 48 px buttons, 16 px text, the screen stack, the flow order. For code, count positions from 0.

1. 1.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) strong colour contrast (d) icons with no labels
2. 2.Which colour pair is hard to read? (a) black on yellow (b) white on black (c) white on dark green (d) light grey on white
3. 3.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Send button: 44 px tall
   Cancel button: 36 px tall
   Done button: 60 px tall
   Next button: 56 px tall
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Match report”
   3. tap Back
   4. tap the Settings tab
   5. tap the Feed tab
   Which screen are you on now? (a) Chat (b) Feed (c) Match report (d) Settings
5. 5.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
6. 6.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) enter the code sent (c) open the app (d) make a password
7. 7.Which of these is true of a final design? (a) is a quick sketch (b) uses the final pictures (c) shows where things go (d) uses plain grey boxes
8. 8.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
9. 9.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
10. 10.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
11. 11.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) a clear next step (c) the same screen (d) a random page
12. 12.🔢 In a sign-up flow, which comes FIRST? (a) tap “Sign up” (b) see the home screen (c) open the app (d) make a password
13. 13.True or false: a final design has no real colours. (a) False (b) True
14. 14.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ filter buttons ]
    [ tab bar ]
    [ top bar ]
    [ search box ] (a) tab bar (b) search box (c) filter buttons
15. 15.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
16. 16.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
17. 17.💾 Data saved only on the phone is lost when ___. (a) the phone is lost (b) the app is closed (c) you send a message (d) the screen turns off
18. 18.True or false: the button colours is about UX (the experience). (a) True (b) False
19. 19.🔢 In a sign-up flow, which comes first: “enter the code sent” or “make a password”? (a) make a password (b) enter the code sent
20. 20.True or false: how users feel after is about UI (the look). (a) False (b) True
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Body text: 11 px
    Hint: 12 px
    Menu: 20 px
22. 22.🎨 UI stands for user ___. (a) interface (b) input (c) idea (d) internet
23. 23.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
24. 24.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
25. 25.🔍 Which is the odd one out? (a) the theme colours (b) the screen layout (c) the icon shapes (d) whether users get lost
26. 26.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
27. 27.True or false: a final design shows the real fonts. (a) False (b) True
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Help page”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
30. 30.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 40 px tall. How many px taller must it be?
31. 31.💾 What is a variable? (a) a type of screen (b) a named box for a value (c) a picture (d) a phone setting
32. 32.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
33. 33.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. open “Help page”
    4. tap the Me tab
    5. open “Score card”
    Which screen are you on now? (a) Help page (b) Map (c) Score card (d) Match report
36. 36.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) the theme colours (d) how fast a task is done
37. 37.Which of these is true of a wireframe? (a) has the real colours (b) has no real colours (c) uses the final pictures (d) shows the real fonts
38. 38.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
39. 39.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 56 px tall
    Back button: 48 px tall
    Cancel button: 64 px tall
    Start button: 44 px tall (a) Start (b) Cancel (c) Save (d) Back
40. 40.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False

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