App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 133 · 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.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
2. 2.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Match report”
   2. tap Back
   3. tap the Settings tab
   4. open “Score card”
   5. tap the Chat tab
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
5. 5.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) undoes one move
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Edit photo”
   2. tap Back
   3. open “Video”
   4. tap Back
   Which screen are you on now? (a) Edit photo (b) Lessons (c) Video (d) Quiz
7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Score card”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
8. 8.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. open “Match report”
   3. tap the Quiz tab
   4. open “Video”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) switches main sections
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 part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. tap Back
    Which screen are you on now? (a) Video (b) Search (c) Score card (d) Home
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Badges”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    Which screen are you on now? (a) Badges (b) Feed (c) Friend list (d) Chat
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap Back
    5. open “Badges”
    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 “Map”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. tap the Home tab
    Which screen are you on now? (a) Profile (b) Home (c) Help page (d) Search
21. 21.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
22. 22.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
23. 23.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Help page”
    Which screen are you on now? (a) Help page (b) Feed (c) Chat (d) Video
25. 25.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
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Friend list”
    4. open “Video”
    Which screen are you on now? (a) Home (b) Friend list (c) Badges (d) Video
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    4. tap the Lessons tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    Which screen are you on now? (a) Help page (b) Chat (c) Feed (d) Score card
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. tap the Feed tab
    4. tap the Settings tab
    5. tap the Feed tab
    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. tap the Lessons tab
    2. open “Edit photo”
    3. open “Map”
    4. tap the Lessons tab
    5. open “Friend list”
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Friend list (d) Map
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Match report”
    Which screen are you on now? (a) Match report (b) Video (c) Home (d) Edit photo
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Feed tab
    Which screen are you on now? (a) Feed (b) Map (c) Friend list (d) Chat
34. 34.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) undoes one move
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Edit photo”
    4. open “Help page”
    5. open “Badges”
    Which screen are you on now? (a) Match report (b) Edit photo (c) Help page (d) Badges
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Home (c) Search (d) Video
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. open “Friend list”
    4. open “Video”
    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 “Friend list”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now? (a) Friend list (b) Lessons (c) Me (d) Quiz
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Profile tab
    4. open “Video”
    Which screen are you on now? (a) Home (b) Video (c) Search (d) Friend list
40. 40.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle

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