App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 498 · 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 “Map”
   2. tap the Feed tab
   3. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
2. 2.🧭 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”
   Which screen are you on now? (a) Lessons (b) Quiz (c) Me (d) Score card
3. 3.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
4. 4.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) undoes one move (d) shows 3 to 5 icons
5. 5.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) switches main sections
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. tap the Settings tab
   3. tap the Chat tab
   4. open “Match report”
   Which screen are you on now? (a) Settings (b) Feed (c) Chat (d) Match report
7. 7.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Score card”
   2. open “Video”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
10. 10.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
12. 12.Which of these is true of a menu button? (a) hides extra links (b) undoes one move (c) sits at the bottom (d) shows 3 to 5 icons
13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Chat tab
    Which screen are you on now? (a) Friend list (b) Feed (c) Chat (d) Match report
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    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?
16. 16.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) undoes one move
17. 17.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) a random page (d) the phone settings
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Match report”
    4. tap the Search tab
    Which screen are you on now? (a) Home (b) Search (c) Profile (d) Match report
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Chat tab
    4. tap the Settings tab
    5. open “Map”
    Which screen are you on now? (a) Score card (b) Map (c) Chat (d) Feed
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Settings tab
    Which screen are you on now? (a) Settings (b) Friend list (c) Feed (d) Match report
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Map”
    4. open “Badges”
    Which screen are you on now? (a) Map (b) Feed (c) Badges (d) Friend list
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Badges”
    4. tap the Profile tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. tap the Settings tab
    Which screen are you on now? (a) Feed (b) Settings (c) Friend list (d) Match report
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. tap the Search tab
    4. tap the Home tab
    5. open “Video”
    Which screen are you on now? (a) Search (b) Video (c) Profile (d) Home
26. 26.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
27. 27.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    Which screen are you on now? (a) Match report (b) Quiz (c) Score card (d) Lessons
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Video”
    4. tap the Quiz tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
31. 31.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) switches main sections
32. 32.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) undoes one move (d) goes to the last screen
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. tap the Settings tab
    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. tap the Chat tab
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now? (a) Edit photo (b) Chat (c) Settings (d) Feed
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) opens a list of pages
37. 37.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    Which screen are you on now? (a) Home (b) Search (c) Map (d) Match report
39. 39.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap the Chat tab
    5. open “Edit photo”
    Which screen are you on now? (a) Friend list (b) Feed (c) Edit photo (d) Chat

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