App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 522 · 40 questions

Developer's tip (Stack of screens): Open a screen → it goes on top of the stack. Back → the top screen closes; you see the one underneath. Tap a tab → you jump to that tab’s main screen. Backs needed to get home = screens on the stack − 1.

1. 1.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. tap the Me tab
   3. open “Map”
   Which screen are you on now? (a) Quiz (b) Me (c) Lessons (d) Map
2. 2.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
3. 3.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) that tab’s main screen (d) the last app used
4. 4.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) undoes one move (d) opens a list of pages
5. 5.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Map”
   2. open “Help page”
   3. tap the Lessons tab
   4. tap the Lessons tab
   5. open “Map”
   Which screen are you on now? (a) Quiz (b) Lessons (c) Map (d) Help page
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. tap Back
   3. open “Map”
   Which screen are you on now? (a) Search (b) Help page (c) Map (d) Home
8. 8.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
9. 9.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) switches main sections
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
11. 11.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) opens a list of pages (d) undoes one move
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now? (a) Home (b) Search (c) Score card (d) Profile
13. 13.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
14. 14.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Chat tab
    Which screen are you on now? (a) Feed (b) Settings (c) Edit photo (d) Chat
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    Which screen are you on now? (a) Edit photo (b) Badges (c) Feed (d) Chat
17. 17.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
18. 18.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap the Feed tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now? (a) Score card (b) Feed (c) Match report (d) Chat
20. 20.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Friend list”
    4. tap Back
    5. open “Badges”
    Which screen are you on now? (a) Friend list (b) Badges (c) Chat (d) Feed
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Help page”
    Which screen are you on now? (a) Home (b) Profile (c) Search (d) Help page
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Lessons (c) Score card (d) Help page
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Edit photo”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Profile tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Help page”
    4. open “Video”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
31. 31.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Me (c) Quiz (d) Score card
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Score card”
    4. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Quiz (c) Score card (d) Me
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
35. 35.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) goes to the last screen (d) hides extra links
36. 36.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Help page”
    Which screen are you on now? (a) Me (b) Help page (c) Quiz (d) Lessons

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