App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 106 · 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.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Video”
   2. tap Back
   3. tap the Chat tab
   Which screen are you on now? (a) Feed (b) Settings (c) Video (d) Chat
3. 3.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) hides extra links
4. 4.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) switches main sections
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. tap the Me tab
   3. open “Friend list”
   4. tap the Lessons tab
   How many times must you tap Back to reach the main screen of this tab?
6. 6.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) sits at the bottom (d) hides extra links
7. 7.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to use more battery (d) to hide the menu
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. tap Back
   3. open “Video”
   4. tap the Feed tab
   Which screen are you on now? (a) Edit photo (b) Video (c) Feed (d) Chat
9. 9.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
11. 11.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) sits at the bottom
12. 12.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Edit photo”
    4. tap the Search tab
    Which screen are you on now? (a) Search (b) Profile (c) Home (d) Edit photo
14. 14.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Friend list”
    4. tap Back
    5. open “Score card”
    Which screen are you on now? (a) Friend list (b) Match report (c) Score card (d) Home
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now? (a) Friend list (b) Chat (c) Help page (d) Feed
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. open “Match report”
    Which screen are you on now? (a) Help page (b) Match report (c) Feed (d) Video
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
20. 20.🧭 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
21. 21.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Score card”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Settings tab
    Which screen are you on now? (a) Friend list (b) Feed (c) Badges (d) Settings
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 Which part of navigation goes to the last screen? (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 Chat tab
    2. tap the Feed tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Me tab
    4. open “Friend list”
    Which screen are you on now? (a) Quiz (b) Edit photo (c) Lessons (d) Friend list
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Match report”
    4. tap the Feed 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. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now? (a) Chat (b) Feed (c) Settings (d) Edit photo
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Map”
    5. tap Back
    Which screen are you on now? (a) Feed (b) Map (c) Settings (d) Chat
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Badges”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
34. 34.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) shows 3 to 5 icons
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Search (b) Edit photo (c) Home (d) Friend list
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now? (a) Score card (b) Me (c) Lessons (d) Quiz
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    4. tap the Feed tab
    5. tap the Settings tab
    Which screen are you on now? (a) Settings (b) Match report (c) Score card (d) Feed
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    4. tap the Settings tab
    5. tap the Settings tab
    Which screen are you on now? (a) Settings (b) Video (c) Help page (d) Feed
39. 39.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Badges”
    Which screen are you on now? (a) Badges (b) Search (c) Home (d) Profile

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