App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 109 · 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) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
2. 2.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
3. 3.🧭 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 Search tab
   5. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Match report”
   3. open “Match report”
   4. tap Back
   Which screen are you on now? (a) Lessons (b) Quiz (c) Me (d) Match report
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Me tab
   2. open “Match report”
   3. open “Edit photo”
   4. tap the Quiz tab
   5. open “Badges”
   How many times must you tap Back to reach the main screen of this tab?
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap the Home tab
   3. open “Badges”
   4. open “Score card”
   Which screen are you on now? (a) Score card (b) Badges (c) Match report (d) Home
7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Score card”
   2. tap the Home tab
   3. tap the Home tab
   4. open “Score card”
   5. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
10. 10.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
11. 11.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
12. 12.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) sits at the bottom (d) switches main sections
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Lessons tab
    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. tap the Lessons tab
    2. tap the Me tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. tap the Settings tab
    Which screen are you on now? (a) Feed (b) Settings (c) Chat (d) Map
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 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
    Which screen are you on now? (a) Quiz (b) Lessons (c) Me
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Friend list”
    Which screen are you on now? (a) Match report (b) Home (c) Search (d) Friend list
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Map”
    Which screen are you on now? (a) Match report (b) Search (c) Home (d) Map
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Badges”
    4. tap the Profile tab
    5. open “Badges”
    Which screen are you on now? (a) Badges (b) Help page (c) Home (d) Friend list
23. 23.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    5. tap the Quiz tab
    Which screen are you on now? (a) Quiz (b) Lessons (c) Edit photo (d) Me
25. 25.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
26. 26.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) switches main sections (d) hides extra links
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Match report”
    5. open “Map”
    Which screen are you on now? (a) Home (b) Match report (c) Video (d) Map
28. 28.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
31. 31.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
32. 32.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) hides extra links (d) goes to the last screen
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. open “Help page”
    4. open “Friend list”
    5. open “Help page”
    Which screen are you on now? (a) Help page (b) Feed (c) Match report (d) Friend list
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Settings tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Map”
    3. tap the Feed tab
    4. tap the Feed tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Profile tab
    4. open “Score card”
    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. open “Friend list”
    2. tap the Chat tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?

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