App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 441 · 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.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) sits at the bottom (d) goes to the last screen
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Badges”
   2. tap the Home tab
   3. tap the Search tab
   4. tap the Home tab
   5. open “Video”
   Which screen are you on now? (a) Home (b) Badges (c) Search (d) Video
3. 3.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) goes to the last screen
4. 4.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
5. 5.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
6. 6.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) opens a list of pages
7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. tap Back
   3. tap the Feed tab
   4. open “Match report”
   5. tap Back
   Which screen are you on now? (a) Feed (b) Match report (c) Chat (d) Badges
8. 8.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Search tab
   2. open “Score card”
   3. tap the Profile tab
   4. open “Match report”
   5. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now? (a) Match report (b) Lessons (c) Quiz (d) Me
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Video”
    4. tap Back
    5. open “Score card”
    Which screen are you on now? (a) Home (b) Edit photo (c) Video (d) Score card
12. 12.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) deletes the page (d) opens settings
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Search tab
    Which screen are you on now? (a) Search (b) Home (c) Edit photo (d) Video
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Video”
    4. tap Back
    Which screen are you on now? (a) Chat (b) Feed (c) Video (d) Settings
15. 15.🧭 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) Match report (b) Chat (c) Settings (d) Feed
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. open “Score card”
    4. tap the Feed tab
    Which screen are you on now? (a) Score card (b) Video (c) Help page (d) Feed
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap the Home tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) hides extra links
19. 19.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Score card”
    4. open “Help page”
    Which screen are you on now? (a) Search (b) Home (c) Score card (d) Help page
21. 21.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
22. 22.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Video”
    4. tap Back
    Which screen are you on now? (a) Profile (b) Video (c) Home (d) Match report
24. 24.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Score card”
    4. tap the Feed tab
    5. open “Help page”
    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 “Edit photo”
    2. open “Score card”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. tap the Profile tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
29. 29.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) undoes one move
30. 30.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
31. 31.🧭 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
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap Back
    4. tap the Feed tab
    5. tap the Chat tab
    Which screen are you on now? (a) Chat (b) Map (c) Feed (d) Settings
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Edit photo”
    4. open “Edit photo”
    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. open “Badges”
    2. open “Friend list”
    3. open “Help page”
    4. tap the Settings tab
    5. tap the Feed tab
    Which screen are you on now? (a) Badges (b) Feed (c) Friend list (d) Help page
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Settings tab
    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 “Help page”
    2. tap Back
    3. open “Video”
    4. open “Map”
    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 “Help page”
    3. tap Back
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap the Lessons tab
    Which screen are you on now? (a) Map (b) Quiz (c) Me (d) Lessons
39. 39.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

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