App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 741 · 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 the Feed tab
   3. tap the Feed tab
   4. open “Map”
   Which screen are you on now? (a) Chat (b) Feed (c) Edit photo (d) Map
2. 2.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
3. 3.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
4. 4.🧭 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
5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) in the middle (d) at the bottom
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. tap the Lessons tab
   3. tap the Quiz tab
   4. open “Match report”
   5. tap Back
   Which screen are you on now? (a) Match report (b) Lessons (c) Quiz (d) Me
7. 7.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. tap the Home tab
   3. tap the Profile tab
   Which screen are you on now? (a) Home (b) Search (c) Profile (d) Help page
9. 9.🧭 Which part of navigation undoes one move? (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 “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Search tab
    Which screen are you on now? (a) Search (b) Friend list (c) Home (d) Video
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. tap Back
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
13. 13.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) undoes one move
14. 14.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
15. 15.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) undoes one move (d) switches main sections
16. 16.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Me tab
    Which screen are you on now? (a) Quiz (b) Lessons (c) Score card (d) Me
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. tap Back
    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 Feed tab
    2. open “Score card”
    3. tap Back
    4. open “Badges”
    5. tap Back
    Which screen are you on now? (a) Badges (b) Feed (c) Chat (d) Score card
20. 20.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
22. 22.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. open “Help page”
    5. open “Badges”
    Which screen are you on now? (a) Video (b) Badges (c) Map (d) Help page
26. 26.Which of these is true of a menu button? (a) switches main sections (b) shows 3 to 5 icons (c) opens a list of pages (d) undoes one move
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Score card”
    Which screen are you on now? (a) Help page (b) Home (c) Badges (d) Score card
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Map”
    4. tap Back
    5. open “Badges”
    Which screen are you on now? (a) Badges (b) Map (c) Feed (d) Chat
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. tap the Search tab
    5. tap the Profile tab
    Which screen are you on now? (a) Search (b) Profile (c) Home (d) Badges
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Map”
    4. tap Back
    5. open “Video”
    Which screen are you on now? (a) Badges (b) Feed (c) Video (d) Map
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Score card”
    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. open “Match report”
    2. open “Video”
    3. open “Map”
    Which screen are you on now? (a) Video (b) Home (c) Match report (d) Map
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now? (a) Feed (b) Match report (c) Settings (d) Chat
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Score card”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. open “Help page”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now? (a) Home (b) Help page (c) Video (d) Search
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    4. tap the Settings tab
    Which screen are you on now? (a) Badges (b) Chat (c) Settings (d) Feed
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
40. 40.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) undoes one move

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