App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 706 · 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 Home, Search, Profile. You start on Home, then:
   1. open “Friend list”
   2. tap Back
   3. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Score card”
   2. open “Match report”
   3. tap the Chat tab
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
4. 4.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. open “Help page”
   3. tap Back
   4. open “Match report”
   5. open “Friend list”
   How many times must you tap Back to reach the main screen of this tab?
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Score card”
   2. open “Help page”
   3. tap Back
   4. open “Badges”
   5. tap the Chat tab
   Which screen are you on now? (a) Score card (b) Chat (c) Badges (d) Help page
7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. tap the Lessons tab
   3. open “Friend list”
   4. tap Back
   Which screen are you on now? (a) Friend list (b) Lessons (c) Quiz (d) Match report
8. 8.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) sits at the bottom (d) goes to the last screen
9. 9.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    4. open “Map”
    5. tap Back
    Which screen are you on now? (a) Search (b) Map (c) Home (d) Profile
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap Back
    Which screen are you on now? (a) Profile (b) Home (c) Search (d) Video
12. 12.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    4. open “Friend list”
    5. open “Badges”
    Which screen are you on now? (a) Edit photo (b) Badges (c) Friend list (d) Feed
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Profile tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now? (a) Edit photo (b) Profile (c) Home (d) Help page
15. 15.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
16. 16.🧭 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 Settings tab
    How many times must you tap Back to reach the main screen of this tab?
17. 17.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) undoes one move
18. 18.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now? (a) Edit photo (b) Map (c) Lessons (d) Quiz
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. tap the Settings tab
    4. open “Edit photo”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. open “Badges”
    Which screen are you on now? (a) Feed (b) Chat (c) Badges (d) Edit photo
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Edit photo”
    Which screen are you on now? (a) Home (b) Search (c) Edit photo (d) Profile
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Feed tab
    Which screen are you on now? (a) Match report (b) Video (c) Chat (d) Feed
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Quiz tab
    4. open “Match report”
    5. open “Video”
    Which screen are you on now? (a) Match report (b) Video (c) Map (d) Friend list
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Edit photo”
    5. tap the Feed tab
    Which screen are you on now? (a) Edit photo (b) Chat (c) Feed (d) Match report
26. 26.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) goes to the last screen (d) hides extra links
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
31. 31.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
32. 32.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) sits at the bottom (d) undoes one move
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now? (a) Badges (b) Search (c) Score card (d) Home
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Badges”
    Which screen are you on now? (a) Map (b) Search (c) Badges (d) Home
37. 37.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap the Profile tab
    Which screen are you on now? (a) Search (b) Badges (c) Home (d) Profile
39. 39.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) sits at the bottom
40. 40.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button

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