App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 606 · 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.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
2. 2.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Help page”
   2. tap Back
   3. open “Score card”
   4. open “Map”
   5. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Badges”
   2. tap the Profile tab
   3. open “Map”
   Which screen are you on now? (a) Home (b) Search (c) Badges (d) Map
5. 5.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. tap Back
   3. open “Match report”
   4. tap Back
   Which screen are you on now? (a) Match report (b) Search (c) Home (d) Help page
7. 7.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Settings tab
   2. tap the Feed tab
   3. open “Video”
   4. open “Badges”
   Which screen are you on now? (a) Badges (b) Feed (c) Chat (d) Video
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. tap the Feed tab
   3. open “Help page”
   Which screen are you on now? (a) Settings (b) Chat (c) Help page (d) Feed
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Lessons tab
    Which screen are you on now? (a) Quiz (b) Lessons (c) Edit photo (d) Badges
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Help page”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now? (a) Home (b) Search (c) Help page (d) Profile
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Search tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Video”
    Which screen are you on now? (a) Help page (b) Home (c) Video (d) Search
14. 14.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
18. 18.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Score card”
    5. tap the Home tab
    Which screen are you on now? (a) Score card (b) Search (c) Home (d) Video
20. 20.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) switches main sections (d) undoes one move
21. 21.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Score card”
    Which screen are you on now? (a) Match report (b) Chat (c) Feed (d) Score card
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now? (a) Me (b) Help page (c) Lessons (d) Quiz
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Me tab
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Quiz (c) Map (d) Me
26. 26.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) undoes one move
27. 27.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap Back
    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. open “Map”
    Which screen are you on now? (a) Search (b) Home (c) Map (d) Match report
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now? (a) Quiz (b) Match report (c) Lessons (d) Edit photo
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. tap the Quiz tab
    Which screen are you on now? (a) Me (b) Map (c) Lessons (d) Quiz
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. open “Map”
    4. open “Edit photo”
    5. tap the Lessons tab
    Which screen are you on now? (a) Video (b) Map (c) Lessons (d) Edit photo
34. 34.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) goes to the last screen
35. 35.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) sits at the bottom (d) goes to the last screen
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Lessons tab
    Which screen are you on now? (a) Quiz (b) Match report (c) Lessons (d) Me
37. 37.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Help page”
    Which screen are you on now? (a) Help page (b) Feed (c) Settings (d) Chat
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button

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