App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 844 · 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 Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. tap Back
   3. open “Video”
   4. tap the Profile tab
   Which screen are you on now? (a) Help page (b) Video (c) Profile (d) Home
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. tap the Feed tab
   3. open “Friend list”
   4. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. open “Help page”
   3. tap Back
   4. open “Badges”
   5. open “Score card”
   Which screen are you on now? (a) Score card (b) Edit photo (c) Badges (d) Help page
5. 5.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
6. 6.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) goes to the last screen (d) opens a list of pages
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Match report”
   3. open “Video”
   Which screen are you on now? (a) Video (b) Home (c) Match report (d) Search
8. 8.🧭 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
9. 9.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
10. 10.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. open “Match report”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
12. 12.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) hides extra links
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap Back
    Which screen are you on now? (a) Friend list (b) Score card (c) Search (d) Home
14. 14.🧭 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
15. 15.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    Which screen are you on now? (a) Feed (b) Edit photo (c) Help page (d) Chat
17. 17.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) undoes one move (d) hides extra links
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. tap the Feed tab
    5. open “Video”
    Which screen are you on now? (a) Feed (b) Help page (c) Score card (d) Video
19. 19.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) undoes one move
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Edit photo”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
23. 23.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) hides extra links
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Friend list”
    4. tap the Chat tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Chat tab
    4. open “Edit photo”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Video (b) Edit photo (c) Quiz (d) Lessons
28. 28.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
29. 29.🧭 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 Settings tab
    4. tap the Feed tab
    Which screen are you on now? (a) Chat (b) Settings (c) Feed
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Home 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. open “Friend list”
    2. tap the Quiz tab
    3. open “Video”
    Which screen are you on now? (a) Friend list (b) Quiz (c) Video (d) Lessons
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Settings tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Map”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now? (a) Chat (b) Settings (c) Match report (d) Feed
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Edit photo”
    Which screen are you on now? (a) Friend list (b) Feed (c) Match report (d) Edit photo
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now? (a) Feed (b) Settings (c) Chat (d) Edit photo
40. 40.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1

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