App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 629 · 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 shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
2. 2.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) at the bottom (d) nowhere
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. tap Back
   3. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. tap Back
   3. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
6. 6.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
7. 7.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Edit photo”
   2. open “Video”
   3. open “Video”
   4. tap Back
   Which screen are you on now? (a) Video (b) Quiz (c) Lessons (d) Edit photo
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Match report”
   3. tap Back
   Which screen are you on now? (a) Search (b) Home (c) Profile (d) Match report
10. 10.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) undoes one move
11. 11.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
12. 12.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) switches main sections (d) sits at the bottom
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Badges”
    Which screen are you on now? (a) Search (b) Home (c) Video (d) Badges
14. 14.🧭 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
    4. open “Help page”
    5. tap the Chat 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. open “Score card”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now? (a) Badges (b) Feed (c) Score card (d) Chat
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Home tab
    4. open “Edit photo”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now? (a) Chat (b) Edit photo (c) Feed (d) Friend list
18. 18.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) switches main sections
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Video”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. tap the Feed tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Chat tab
    Which screen are you on now? (a) Help page (b) Feed (c) Chat (d) Match report
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Friend list”
    5. open “Friend list”
    Which screen are you on now? (a) Home (b) Search (c) Friend list (d) Match report
25. 25.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
26. 26.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
27. 27.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. tap the Me tab
    Which screen are you on now? (a) Badges (b) Lessons (c) Me (d) Edit photo
29. 29.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) undoes one move (d) shows 3 to 5 icons
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. open “Edit photo”
    5. open “Video”
    Which screen are you on now? (a) Edit photo (b) Video (c) Lessons (d) Map
31. 31.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
32. 32.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
33. 33.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) to use more battery (d) so users do not get lost
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Friend list”
    4. open “Help page”
    5. open “Map”
    Which screen are you on now? (a) Friend list (b) Help page (c) Map (d) Edit photo
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Settings tab
    4. open “Score card”
    5. open “Badges”
    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 “Video”
    2. tap the Settings tab
    3. open “Help page”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Video (c) Help page (d) Feed
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. tap the Me tab
    Which screen are you on now? (a) Me (b) Map (c) Badges (d) Lessons
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Video”
    Which screen are you on now? (a) Video (b) Friend list (c) Lessons (d) Edit photo
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Search tab
    5. tap the Search tab
    Which screen are you on now? (a) Home (b) Profile (c) Edit photo (d) Search

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