App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 230 · 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) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap Back
   3. tap the Search tab
   4. open “Map”
   5. tap Back
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Badges”
   3. open “Video”
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Edit photo”
   2. tap Back
   3. tap the Me tab
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Score card”
   2. open “Help page”
   3. tap the Search tab
   4. open “Map”
   5. tap Back
   Which screen are you on now? (a) Score card (b) Map (c) Help page (d) Search
6. 6.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) switches main sections
7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Help page”
   2. tap Back
   3. open “Edit photo”
   4. open “Badges”
   5. open “Match report”
   Which screen are you on now? (a) Badges (b) Match report (c) Help page (d) Edit photo
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    4. open “Help page”
    5. tap Back
    Which screen are you on now? (a) Badges (b) Score card (c) Feed (d) Help page
11. 11.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
12. 12.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
13. 13.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Help page”
    Which screen are you on now? (a) Map (b) Home (c) Search (d) Help page
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Lessons tab
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Badges (d) Quiz
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap the Home tab
    Which screen are you on now? (a) Profile (b) Search (c) Help page (d) Home
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now? (a) Feed (b) Settings (c) Match report (d) Chat
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Settings tab
    Which screen are you on now? (a) Chat (b) Settings (c) Feed (d) Match report
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Edit photo”
    Which screen are you on now? (a) Chat (b) Feed (c) Score card (d) Edit photo
21. 21.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Search tab
    4. tap the Search tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Edit photo”
    Which screen are you on now? (a) Home (b) Friend list (c) Edit photo (d) Video
24. 24.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) shows 3 to 5 icons
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    Which screen are you on now? (a) Feed (b) Map (c) Chat (d) Match report
30. 30.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. open “Match report”
    Which screen are you on now? (a) Match report (b) Help page (c) Score card (d) Home
32. 32.Which of these is true of the back button? (a) undoes one move (b) sits at the bottom (c) opens a list of pages (d) switches main sections
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Map”
    4. tap Back
    Which screen are you on now? (a) Lessons (b) Me (c) Badges (d) Map
35. 35.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) switches main sections (d) opens a list of pages
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    Which screen are you on now? (a) Quiz (b) Lessons (c) Score card (d) Help page
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap the Settings tab
    4. tap the Chat tab
    Which screen are you on now? (a) Settings (b) Feed (c) Chat (d) Score card
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. tap the Profile tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
39. 39.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) hides extra links
40. 40.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) switches main sections (d) sits at the bottom

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