App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 290 · 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 Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Video”
   3. open “Score card”
   Which screen are you on now? (a) Video (b) Feed (c) Chat (d) Score card
2. 2.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
3. 3.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Score card”
   2. tap the Profile tab
   3. tap the Home tab
   Which screen are you on now? (a) Profile (b) Score card (c) Home (d) Search
5. 5.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) undoes one move (d) opens a list of pages
6. 6.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) goes to the last screen
7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Video”
   3. open “Score card”
   4. tap the Me tab
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
9. 9.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now? (a) Quiz (b) Help page (c) Lessons (d) Me
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Video”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
12. 12.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) sits at the bottom
13. 13.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Search tab
    4. open “Map”
    5. tap the Profile tab
    Which screen are you on now? (a) Home (b) Profile (c) Map (d) Search
16. 16.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) sits at the bottom
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Friend list”
    Which screen are you on now? (a) Feed (b) Friend list (c) Edit photo (d) Match report
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now? (a) Search (b) Match report (c) Home (d) Profile
22. 22.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Lessons tab
    4. open “Help page”
    Which screen are you on now? (a) Edit photo (b) Quiz (c) Help page (d) Lessons
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Help page”
    4. tap Back
    Which screen are you on now? (a) Help page (b) Home (c) Search (d) Score card
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now? (a) Search (b) Profile (c) Home (d) Edit photo
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Help page”
    Which screen are you on now? (a) Me (b) Quiz (c) Lessons (d) Help page
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Video”
    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. open “Help page”
    2. open “Score card”
    3. tap the Me tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
30. 30.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
32. 32.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) the last app used (d) a random page
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Profile tab
    4. open “Video”
    Which screen are you on now? (a) Edit photo (b) Video (c) Home (d) Map
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. tap the Feed 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 “Edit photo”
    2. open “Edit photo”
    3. tap Back
    4. tap the Profile tab
    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. open “Help page”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. open “Friend list”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Friend list (c) Video (d) Help page
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now? (a) Quiz (b) Lessons (c) Friend list (d) Me

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