App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 243 · 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.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Badges”
   3. tap Back
   4. open “Score card”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) hides extra links
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Friend list”
   2. tap Back
   3. open “Help page”
   4. open “Score card”
   Which screen are you on now? (a) Home (b) Help page (c) Score card (d) Friend list
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Video”
   2. tap Back
   3. tap the Quiz tab
   4. tap the Me tab
   5. open “Video”
   How many times must you tap Back to reach the main screen of this tab?
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. tap the Settings tab
   3. tap the Feed tab
   4. tap the Feed tab
   Which screen are you on now? (a) Chat (b) Settings (c) Feed
7. 7.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) sits at the bottom
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Friend list”
   2. open “Badges”
   3. open “Help page”
   4. tap the Me tab
   5. tap the Me tab
   Which screen are you on now? (a) Me (b) Badges (c) Friend list (d) Help page
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. tap Back
   3. tap the Search tab
   4. tap the Home tab
   5. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Badges”
    Which screen are you on now? (a) Search (b) Video (c) Badges (d) Home
11. 11.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
12. 12.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
13. 13.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
14. 14.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
15. 15.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) opens a list of pages
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Help page”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Score card”
    Which screen are you on now? (a) Lessons (b) Score card (c) Match report (d) Edit photo
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Help page”
    3. 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 Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Search tab
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
22. 22.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
23. 23.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Score card”
    4. tap the Quiz tab
    Which screen are you on now? (a) Score card (b) Lessons (c) Quiz (d) Me
25. 25.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) undoes one move
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    Which screen are you on now? (a) Help page (b) Chat (c) Feed (d) Settings
27. 27.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) switches main sections
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap the Settings tab
    5. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Settings (c) Chat (d) Feed
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Edit photo”
    4. tap Back
    5. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Video (c) Me (d) Edit photo
30. 30.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
31. 31.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Video”
    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. open “Friend list”
    2. tap the Profile tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Video”
    4. open “Badges”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Badges”
    3. tap the Home tab
    4. open “Score card”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap Back
    4. tap the Quiz tab
    5. open “Score card”
    Which screen are you on now? (a) Quiz (b) Lessons (c) Video (d) Score card
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button

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