App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 75 · 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 Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. tap the Quiz tab
   3. open “Video”
   4. tap the Me tab
   Which screen are you on now? (a) Video (b) Lessons (c) Score card (d) Me
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Me tab
   2. tap the Lessons tab
   3. open “Map”
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
3. 3.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) switches main sections (d) goes to the last screen
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Score card”
   3. tap Back
   4. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Map”
   3. tap the Settings tab
   Which screen are you on now? (a) Chat (b) Settings (c) Feed (d) Map
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. open “Match report”
   3. tap Back
   Which screen are you on now? (a) Feed (b) Badges (c) Match report (d) Chat
7. 7.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. open “Edit photo”
   3. open “Map”
   4. open “Video”
   5. tap Back
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now? (a) Chat (b) Feed (c) Edit photo (d) Settings
12. 12.🧭 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
13. 13.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) shows 3 to 5 icons
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) shows 3 to 5 icons (d) undoes one move
16. 16.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Score card”
    4. tap the Home tab
    5. open “Edit photo”
    Which screen are you on now? (a) Home (b) Search (c) Score card (d) Edit photo
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    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?
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Help page”
    Which screen are you on now? (a) Friend list (b) Lessons (c) Quiz (d) Help page
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. open “Score card”
    4. tap the Lessons tab
    5. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Score card (c) Help page (d) Lessons
21. 21.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) switches main sections
22. 22.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    4. open “Help page”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
24. 24.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
25. 25.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Video”
    Which screen are you on now? (a) Edit photo (b) Lessons (c) Video (d) Quiz
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now? (a) Edit photo (b) Search (c) Friend list (d) Home
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Score card”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
29. 29.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) hides extra links (d) shows 3 to 5 icons
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap the Me tab
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Friend list”
    4. tap the Lessons tab
    Which screen are you on now? (a) Lessons (b) Quiz (c) Friend list (d) Match report
32. 32.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
33. 33.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
34. 34.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap the Chat tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Map”
    4. tap the Lessons tab
    5. open “Map”
    Which screen are you on now? (a) Quiz (b) Map (c) Lessons (d) Me
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. open “Video”
    4. open “Map”
    5. tap the Feed tab
    Which screen are you on now? (a) Match report (b) Feed (c) Video (d) Map
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Feed tab
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    5. tap Back
    Which screen are you on now? (a) Friend list (b) Lessons (c) Match report (d) Me

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