App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 476 · 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 Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. tap Back
   3. tap the Chat tab
   How many times must you tap Back to reach the main screen of this tab?
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Edit photo”
   2. tap the Lessons tab
   3. open “Score card”
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Lessons tab
   2. open “Help page”
   3. tap the Lessons tab
   4. open “Edit photo”
   5. tap Back
   Which screen are you on now? (a) Edit photo (b) Lessons (c) Help page (d) Quiz
5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) inside a button (d) at the bottom
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Badges”
   2. tap Back
   3. open “Help page”
   4. open “Help page”
   Which screen are you on now? (a) Help page (b) Badges (c) Quiz (d) Lessons
7. 7.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
8. 8.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) hides extra links (d) goes to the last screen
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. open “Map”
   3. tap Back
   Which screen are you on now? (a) Map (b) Quiz (c) Help page (d) Lessons
10. 10.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
11. 11.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
12. 12.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
13. 13.Which of these is true of a tab bar? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) opens a list of pages
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) hides extra links
16. 16.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) a random page (d) the last app used
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. open “Score card”
    5. open “Map”
    Which screen are you on now? (a) Map (b) Friend list (c) Match report (d) Score card
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. tap the Home tab
    Which screen are you on now? (a) Edit photo (b) Home (c) Search (d) Map
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    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. open “Friend list”
    2. open “Help page”
    3. tap the Search tab
    Which screen are you on now? (a) Friend list (b) Help page (c) Home (d) Search
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Match report”
    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 “Match report”
    2. open “Help page”
    3. open “Score card”
    Which screen are you on now? (a) Match report (b) Help page (c) Lessons (d) Score card
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now? (a) Search (b) Profile (c) Help page (d) Home
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. tap the Settings tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) shows 3 to 5 icons (d) hides extra links
29. 29.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) switches main sections (d) shows 3 to 5 icons
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Video”
    4. tap the Chat tab
    5. tap the Settings tab
    Which screen are you on now? (a) Friend list (b) Feed (c) Settings (d) Video
32. 32.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
34. 34.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) sits at the bottom
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Map”
    Which screen are you on now? (a) Chat (b) Map (c) Feed (d) Settings
36. 36.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Chat tab
    4. open “Map”
    5. tap Back
    Which screen are you on now? (a) Chat (b) Feed (c) Settings (d) Map
38. 38.Which of these is true of a menu button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Home tab
    4. tap the Profile tab
    5. open “Edit photo”
    Which screen are you on now? (a) Search (b) Edit photo (c) Video (d) Home
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Match report”
    Which screen are you on now? (a) Match report (b) Quiz (c) Me (d) Lessons

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