App Dev Worksheet: Navigation

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

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