App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 167 · 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 “Map”
   2. tap Back
   3. tap the Home tab
   Which screen are you on now? (a) Map (b) Home (c) Search (d) Profile
2. 2.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. tap the Settings tab
   3. open “Score card”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 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
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Friend list”
   3. tap the Chat tab
   Which screen are you on now? (a) Chat (b) Settings (c) Feed (d) Friend list
6. 6.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) hides extra links (d) goes to the last screen
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. tap Back
   3. tap the Profile tab
   4. open “Score card”
   5. tap the Home tab
   Which screen are you on now? (a) Search (b) Home (c) Score card (d) Edit photo
8. 8.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) hides extra links
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Badges”
   2. tap Back
   3. tap the Profile tab
   Which screen are you on now? (a) Search (b) Badges (c) Profile (d) Home
10. 10.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now? (a) Profile (b) Edit photo (c) Home (d) Search
12. 12.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) undoes one move
13. 13.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap the Profile tab
    Which screen are you on now? (a) Edit photo (b) Profile (c) Search (d) Home
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Settings tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap the Profile tab
    4. open “Friend list”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Edit photo”
    4. tap the Chat tab
    Which screen are you on now? (a) Edit photo (b) Feed (c) Chat (d) Map
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    Which screen are you on now? (a) Search (b) Map (c) Home (d) Badges
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Match report”
    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 “Video”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now? (a) Video (b) Home (c) Search (d) Friend list
24. 24.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) hides extra links (d) undoes one move
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Me tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap the Home tab
    Which screen are you on now? (a) Friend list (b) Home (c) Search (d) Score card
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Badges”
    4. tap the Settings tab
    5. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Badges (c) Chat (d) Feed
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    Which screen are you on now? (a) Friend list (b) Feed (c) Chat (d) Badges
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) hides extra links
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    5. tap Back
    Which screen are you on now? (a) Lessons (b) Quiz (c) Match report (d) Me
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
34. 34.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
35. 35.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) opens a list of pages
36. 36.🧭 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
37. 37.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Me tab
    4. open “Help page”
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Quiz (d) Help page
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap Back
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now? (a) Settings (b) Badges (c) Feed (d) Chat

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