App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 187 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 14 px
   Menu: 10 px
   Body text: 15 px
   Label: 19 px
   Caption: 13 px
2. 2.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ filter buttons ]
   [ big picture ]
   [ menu icon ]
   [ top bar ]
   [ Add button ]
   [ tab bar ] (a) big picture (b) tab bar (c) filter buttons (d) top bar
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. tap the Search tab
   3. tap the Profile tab
   4. open “Badges”
   5. tap Back
   Which screen are you on now? (a) Badges (b) Home (c) Profile (d) Search
4. 4.🎨 Is this about UI or UX: how many taps it takes? (a) UX (b) UI
5. 5.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) how many taps it takes (d) the screen layout
6. 6.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) on the phone (b) in the cloud
7. 7.🔢 In a sign-up flow, which comes first: “type name and email” or “make a password”? (a) type name and email (b) make a password
8. 8.True or false: strong colour contrast is poor button design. (a) False (b) True
9. 9.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
10. 10.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
11. 11.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 68 px tall
    Start button: 64 px tall
    Next button: 44 px tall (a) Next (b) Done (c) Start
12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now? (a) Feed (b) Chat (c) Map (d) Settings
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. tap Back
    Which screen are you on now? (a) Home (b) Help page (c) Search (d) Badges
14. 14.💾 Which works with no internet at all? (a) data saved on the phone (b) a cloud leaderboard (c) a shared chat (d) a cloud backup
15. 15.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Hint: 24 px
    Body text: 20 px (a) Hint (b) Body text (c) Caption
17. 17.🔢 In a photo-post flow, what comes right after “write a caption”? (a) post the photo (b) open the camera screen (c) add a filter (d) take the photo
18. 18.✏️ What is the easiest way to draw a first wireframe? (a) pencil and paper (b) a phone case (c) a 3D printer (d) a microphone
19. 19.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
20. 20.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) pay for the order (b) check the cart (c) open the menu (d) track the order
21. 21.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now? (a) Match report (b) Help page (c) Friend list (d) Home
23. 23.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) colour as the only clue
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Map”
    4. tap the Feed tab
    Which screen are you on now? (a) Badges (b) Chat (c) Map (d) Feed
25. 25.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 32 px tall
    Done button: 36 px tall
    Back button: 56 px tall
    Send button: 48 px tall
26. 26.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
27. 27.🔢 In a quiz-app flow, which comes first: “read a question” or “see the final score”? (a) see the final score (b) read a question
28. 28.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pens → Results → Offers → Size → Shop
    Design B: Home → Offers → Confirm
29. 29.🔢 In a food-order flow, what comes right after “open the menu”? (a) add it to the cart (b) check the cart (c) pay for the order (d) pick a dish
30. 30.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
31. 31.🔘 Our rule: buttons are at least 48 px tall. The Save button is 28 px tall. How many px taller must it be?
32. 32.🌗 Is white on dark green easy or hard to read on a button? (a) hard to read (b) easy to read
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
34. 34.True or false: strong colour contrast is good button design. (a) False (b) True
35. 35.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) dead end (c) home screen (d) shortcut
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap the Quiz tab
    4. open “Edit photo”
    Which screen are you on now? (a) Match report (b) Lessons (c) Quiz (d) Edit photo
37. 37.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) uses plain grey boxes (d) uses the final pictures
38. 38.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Body text: 11 px
    Hint: 17 px (a) Hint (b) Title (c) Body text
40. 40.True or false: how users feel after is about UI (the look). (a) False (b) True

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