App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 192 · 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 “Match report”
   2. tap the Home tab
   3. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
2. 2.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) hides extra links (d) switches main sections
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Friend list”
   2. tap the Feed tab
   3. open “Score card”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
5. 5.🧭 Which part of navigation shows 3 to 5 icons? (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 “Match report”
   2. tap the Search tab
   3. open “Score card”
   4. tap Back
   5. tap the Home tab
   Which screen are you on now? (a) Match report (b) Home (c) Search (d) Score card
7. 7.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) undoes one move
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. open “Edit photo”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. tap the Feed tab
   3. open “Map”
   4. open “Video”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Search tab
    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) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
12. 12.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now? (a) Quiz (b) Edit photo (c) Lessons (d) Score card
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Badges”
    Which screen are you on now? (a) Video (b) Badges (c) Chat (d) Feed
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) hides extra links
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Edit photo”
    4. tap the Lessons tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Video”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    Which screen are you on now? (a) Video (b) Feed (c) Friend list (d) Chat
24. 24.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Me tab
    Which screen are you on now? (a) Help page (b) Map (c) Me (d) Lessons
26. 26.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap the Chat tab
    Which screen are you on now? (a) Score card (b) Feed (c) Chat (d) Map
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Help page”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Video”
    Which screen are you on now? (a) Me (b) Lessons (c) Quiz (d) Video
30. 30.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Badges”
    4. open “Score card”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Search tab
    4. open “Badges”
    5. tap the Profile tab
    Which screen are you on now? (a) Home (b) Badges (c) Friend list (d) Profile
33. 33.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Match report”
    Which screen are you on now? (a) Feed (b) Score card (c) Match report (d) Edit photo
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
37. 37.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now? (a) Profile (b) Search (c) Home (d) Map
39. 39.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
40. 40.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps

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