App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 459 · 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 “Badges”
   2. tap the Lessons tab
   3. open “Badges”
   4. tap the Quiz tab
   5. open “Friend list”
   Which screen are you on now? (a) Quiz (b) Lessons (c) Friend list (d) Badges
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. tap the Search tab
   3. open “Score card”
   4. tap the Profile tab
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
4. 4.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) goes to the last screen
5. 5.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Lessons tab
   2. open “Score card”
   3. tap Back
   4. open “Edit photo”
   5. open “Map”
   Which screen are you on now? (a) Map (b) Lessons (c) Score card (d) Edit photo
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. tap the Search tab
   3. open “Video”
   Which screen are you on now? (a) Video (b) Search (c) Profile (d) Home
8. 8.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
9. 9.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
10. 10.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) sits at the bottom
11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Friend list (c) Quiz (d) Lessons
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Video”
    4. tap the Profile tab
    5. open “Edit photo”
    Which screen are you on now? (a) Video (b) Edit photo (c) Help page (d) Home
13. 13.Which of these is true of the back button? (a) undoes one move (b) sits at the bottom (c) shows 3 to 5 icons (d) opens a list of pages
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap Back
    4. tap the Search tab
    5. open “Video”
    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 “Friend list”
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Map”
    5. tap the Quiz tab
    Which screen are you on now? (a) Friend list (b) Map (c) Edit photo (d) Quiz
16. 16.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    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 Lessons tab
    2. open “Map”
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Badges”
    Which screen are you on now? (a) Help page (b) Lessons (c) Map (d) Badges
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now? (a) Home (b) Profile (c) Help page (d) Search
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
22. 22.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) switches main sections
23. 23.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
24. 24.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
25. 25.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
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 “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Quiz (c) Lessons (d) Me
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Badges”
    5. open “Help page”
    Which screen are you on now? (a) Badges (b) Map (c) Help page (d) Lessons
28. 28.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now? (a) Map (b) Video (c) Chat (d) Feed
30. 30.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) sits at the bottom (d) goes to the last screen
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    Which screen are you on now? (a) Home (b) Profile (c) Search (d) Video
32. 32.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Feed tab
    Which screen are you on now? (a) Settings (b) Feed (c) Map (d) Chat
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now? (a) Settings (b) Chat (c) Badges (d) Feed
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Edit photo”
    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. open “Edit photo”
    2. open “Friend list”
    3. tap the Chat tab
    4. open “Edit photo”
    5. tap the Feed 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. tap the Settings tab
    3. tap the Settings tab
    4. tap the Feed tab
    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 the Me tab
    3. tap the Quiz tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    Which screen are you on now? (a) Lessons (b) Quiz (c) Video (d) Me

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