App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 57 · 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.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. open “Badges”
   3. tap the Me tab
   4. tap the Me tab
   5. tap the Lessons tab
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 1 (d) 10 to 12
4. 4.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) switches main sections
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Me tab
   2. tap the Lessons tab
   3. tap the Me tab
   Which screen are you on now? (a) Lessons (b) Quiz (c) Me
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Me tab
   2. tap the Quiz tab
   3. open “Score card”
   Which screen are you on now? (a) Score card (b) Lessons (c) Quiz (d) Me
7. 7.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
8. 8.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
9. 9.🧭 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
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. open “Friend list”
    5. tap the Quiz tab
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Quiz (d) Friend list
11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Map”
    4. tap the Search tab
    5. open “Video”
    Which screen are you on now? (a) Video (b) Search (c) Map (d) Home
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Edit photo”
    4. open “Friend list”
    Which screen are you on now? (a) Map (b) Edit photo (c) Home (d) Friend list
14. 14.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now? (a) Lessons (b) Friend list (c) Quiz (d) Me
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap the Me tab
    4. open “Map”
    Which screen are you on now? (a) Lessons (b) Map (c) Match report (d) Quiz
17. 17.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) so users do not get lost (d) to use more battery
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) shows 3 to 5 icons (d) switches main sections
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Badges”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Map”
    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. tap the Me tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Badges”
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Quiz (d) Badges
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Map”
    4. open “Score card”
    Which screen are you on now? (a) Score card (b) Lessons (c) Badges (d) Map
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. tap the Profile tab
    Which screen are you on now? (a) Help page (b) Home (c) Profile (d) Edit photo
30. 30.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Video”
    Which screen are you on now? (a) Lessons (b) Quiz (c) Video (d) Me
32. 32.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) undoes one move (d) shows 3 to 5 icons
33. 33.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
34. 34.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. open “Badges”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now? (a) Map (b) Badges (c) Match report (d) Edit photo
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    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. open “Badges”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Friend list”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now? (a) Home (b) Search (c) Profile (d) Friend list

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