App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 125 · 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 part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. open “Help page”
   3. tap Back
   4. open “Badges”
   Which screen are you on now? (a) Lessons (b) Badges (c) Score card (d) Help page
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. tap the Profile tab
   3. open “Help page”
   4. tap the Home tab
   5. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) switches main sections
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap the Search tab
   3. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
6. 6.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Edit photo”
   2. open “Help page”
   3. tap Back
   Which screen are you on now? (a) Edit photo (b) Quiz (c) Help page (d) Lessons
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Match report”
   2. open “Score card”
   3. tap Back
   Which screen are you on now? (a) Feed (b) Chat (c) Match report (d) Score card
9. 9.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
10. 10.🧭 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?
11. 11.Which of these is true of the back button? (a) shows 3 to 5 icons (b) opens a list of pages (c) hides extra links (d) undoes one move
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Badges”
    4. open “Match report”
    Which screen are you on now? (a) Badges (b) Friend list (c) Match report (d) Home
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. tap the Settings tab
    5. tap the Settings 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. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
16. 16.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) shows 3 to 5 icons (d) goes to the last screen
17. 17.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Help page”
    4. open “Video”
    Which screen are you on now? (a) Edit photo (b) Friend list (c) Help page (d) Video
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now? (a) Chat (b) Map (c) Feed (d) Settings
21. 21.Which of these is true of a menu button? (a) sits at the bottom (b) undoes one move (c) goes to the last screen (d) hides extra links
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Score card”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Help page”
    4. tap Back
    5. open “Edit photo”
    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. tap the Feed tab
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Settings tab
    5. tap the Feed tab
    Which screen are you on now? (a) Match report (b) Feed (c) Edit photo (d) Chat
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Lessons tab
    5. open “Map”
    Which screen are you on now? (a) Lessons (b) Friend list (c) Edit photo (d) Map
27. 27.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Match report”
    4. open “Video”
    5. open “Edit photo”
    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 “Friend list”
    2. open “Score card”
    3. tap the Profile tab
    4. tap the Profile tab
    5. open “Edit photo”
    Which screen are you on now? (a) Friend list (b) Edit photo (c) Score card (d) Home
31. 31.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
32. 32.🧭 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
33. 33.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap the Quiz tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) inside a button (d) nowhere
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Feed tab
    4. open “Map”
    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) deletes the page (d) goes to the last screen
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Search tab
    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. open “Help page”
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now? (a) Profile (b) Help page (c) Home (d) Search
40. 40.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar

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