App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 68 · 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 “Edit photo”
   2. tap Back
   3. tap the Profile tab
   Which screen are you on now? (a) Home (b) Search (c) Profile (d) Edit photo
2. 2.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
3. 3.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Edit photo”
   2. open “Map”
   3. open “Edit photo”
   4. tap Back
   Which screen are you on now? (a) Quiz (b) Edit photo (c) Lessons (d) Map
5. 5.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
6. 6.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
8. 8.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap the Profile tab
   3. open “Friend list”
   Which screen are you on now? (a) Home (b) Match report (c) Search (d) Friend list
10. 10.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) undoes one move (d) switches main sections
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now? (a) Profile (b) Edit photo (c) Search (d) Home
12. 12.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Video”
    4. tap the Home tab
    Which screen are you on now? (a) Home (b) Match report (c) Video (d) Search
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now? (a) Feed (b) Edit photo (c) Chat (d) Badges
15. 15.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) undoes one move
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Feed tab
    Which screen are you on now? (a) Settings (b) Feed (c) Chat (d) Score card
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now? (a) Lessons (b) Friend list (c) Me (d) Quiz
18. 18.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) hides extra links
19. 19.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) opens a list of pages (d) hides extra links
20. 20.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Profile tab
    4. open “Edit photo”
    5. tap the Profile tab
    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. tap the Search tab
    2. tap the Home tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now? (a) Home (b) Profile (c) Search (d) Match report
24. 24.🧭 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 “Score card”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Lessons tab
    Which screen are you on now? (a) Help page (b) Quiz (c) Lessons (d) Match report
27. 27.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now? (a) Match report (b) Edit photo (c) Home (d) Search
31. 31.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) goes to the last screen
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Home tab
    Which screen are you on now? (a) Search (b) Video (c) Help page (d) Home
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. tap the Chat tab
    Which screen are you on now? (a) Feed (b) Help page (c) Settings (d) Chat
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    4. 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. open “Map”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Map”
    Which screen are you on now? (a) Edit photo (b) Map (c) Chat (d) Feed
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    Which screen are you on now? (a) Profile (b) Search (c) Match report (d) Home

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