App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 845 · 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 the Profile tab
   3. open “Friend list”
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
2. 2.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Badges”
   2. tap Back
   3. open “Video”
   Which screen are you on now? (a) Badges (b) Video (c) Lessons (d) Quiz
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Friend list”
   2. open “Help page”
   3. open “Score card”
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Friend list”
   3. open “Score card”
   4. tap the Profile tab
   Which screen are you on now? (a) Score card (b) Home (c) Profile (d) Friend list
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. open “Badges”
   3. tap Back
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
7. 7.🧭 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
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. open “Friend list”
   3. tap the Me tab
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Badges”
   2. open “Video”
   3. tap Back
   4. tap the Lessons tab
   Which screen are you on now? (a) Lessons (b) Video (c) Badges (d) Quiz
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Map”
    Which screen are you on now? (a) Search (b) Map (c) Edit photo (d) Home
11. 11.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
12. 12.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) goes to the last screen (d) sits at the bottom
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
15. 15.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    4. tap the Settings tab
    Which screen are you on now? (a) Chat (b) Map (c) Feed (d) Settings
17. 17.🧭 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 “Badges”
    5. tap the Feed tab
    Which screen are you on now? (a) Edit photo (b) Badges (c) Chat (d) Feed
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now? (a) Map (b) Match report (c) Chat (d) Feed
19. 19.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) that tab’s main screen (d) the phone settings
20. 20.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
21. 21.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
22. 22.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) sits at the bottom
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap the Search tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
25. 25.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) opens a list of pages (d) sits at the bottom
26. 26.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to use more battery (d) to hide the menu
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    Which screen are you on now? (a) Chat (b) Feed (c) Score card (d) Match report
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
30. 30.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now? (a) Edit photo (b) Score card (c) Quiz (d) Lessons
32. 32.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now? (a) Video (b) Home (c) Profile (d) Search
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Edit photo”
    Which screen are you on now? (a) Settings (b) Chat (c) Edit photo (d) Feed
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    Which screen are you on now? (a) Friend list (b) Home (c) Score card (d) Search
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. tap the Home tab
    4. tap the Home tab
    Which screen are you on now? (a) Search (b) Friend list (c) Profile (d) Home
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    Which screen are you on now? (a) Match report (b) Search (c) Friend list (d) Home
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Badges”
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    Which screen are you on now? (a) Quiz (b) Match report (c) Lessons (d) Help page
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?

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