App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 291 · 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 is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) goes to the last screen
2. 2.🔍 Which is the odd one out? (a) how many taps it takes (b) how users feel after (c) how fast a task is done (d) the button colours
3. 3.💾 Data saved only on the phone is lost when ___. (a) the screen turns off (b) the phone is lost (c) you send a message (d) the app is closed
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Offers → Size → Confirm → Shop
   Design B: Home → Pay → Size → Shop → Item → Confirm → Search (a) Design B (b) Design A
5. 5.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ menu icon ]
   [ tab bar ]
   [ Add button ]
   [ title text ] (a) Add button (b) menu icon (c) tab bar (d) title text
6. 6.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
7. 7.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
8. 8.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Edit photo”
   3. open “Score card”
   4. tap the Search tab
   Which screen are you on now? (a) Search (b) Home (c) Edit photo (d) Score card
10. 10.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) shows the real fonts (d) has no real colours
11. 11.🔘 Is this good or poor button design: strong colour contrast? (a) good design (b) poor design
12. 12.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
13. 13.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) sudden loud sounds
14. 14.🔢 In a photo-post flow, which comes first: “take the photo” or “add a filter”? (a) take the photo (b) add a filter
15. 15.True or false: how fast a task is done is about UI (the look). (a) True (b) False
16. 16.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) switches main sections (d) undoes one move
17. 17.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) see the home screen (b) type name and email (c) make a password (d) enter the code sent
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now? (a) Match report (b) Quiz (c) Lessons (d) Help page
19. 19.🔢 In a food-order flow, what comes right after “pick a dish”? (a) pay for the order (b) check the cart (c) add it to the cart (d) track the order
20. 20.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) photos on two devices (d) notes to read offline
21. 21.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now? (a) Match report (b) Feed (c) Settings (d) Edit photo
23. 23.True or false: the button colours is about UX (the experience). (a) False (b) True
24. 24.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Confirm → Results → Pay → Shop
    Design B: Home → Address → Size → Search → Cart (a) Design B (b) Design A
25. 25.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
26. 26.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Hint: 15 px
    Label: 22 px
    Title: 19 px
    Menu: 10 px
28. 28.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 56 px tall
    Done button: 44 px tall
    Send button: 44 px tall
29. 29.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
30. 30.💾 What number does this code show?
    let songs = ["Rain", "Sunrise"];
    songs.push("Stars");
    show(songs.length);
31. 31.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) captions on videos (d) colour as the only clue
32. 32.True or false: photos on two devices fits saving on the phone. (a) True (b) False
33. 33.True or false: buttons almost touching is good button design. (a) False (b) True
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ search box ]
    [ Add button ]
    [ tab bar ]
    [ top bar ]
    [ filter buttons ]
    [ title text ] (a) Add button (b) title text (c) top bar (d) search box
36. 36.🔢 In a photo-post flow, which comes first: “write a caption” or “add a filter”? (a) write a caption (b) add a filter
37. 37.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
38. 38.Which of these fits saving in the cloud? (a) notes to read offline (b) the sound on/off setting (c) your last game level (d) photos on two devices
39. 39.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) write a caption (b) take the photo (c) add a filter (d) post the photo
40. 40.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages

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