App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 439 · 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 Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. tap the Lessons tab
   3. open “Match report”
   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. open “Friend list”
   2. tap the Quiz tab
   3. tap the Lessons tab
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
4. 4.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
5. 5.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) undoes one move
6. 6.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   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?
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. open “Help page”
   3. tap the Lessons tab
   Which screen are you on now? (a) Lessons (b) Score card (c) Quiz (d) Help page
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. tap the Profile tab
   3. open “Edit photo”
   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. open “Match report”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Help page”
    4. tap Back
    Which screen are you on now? (a) Home (b) Match report (c) Help page (d) Search
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Help page”
    Which screen are you on now? (a) Me (b) Quiz (c) Lessons (d) Help page
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. tap the Feed tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Video”
    4. open “Map”
    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 “Match report”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Me 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. tap the Search tab
    2. tap the Search tab
    3. open “Edit photo”
    Which screen are you on now? (a) Profile (b) Search (c) Edit photo (d) Home
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap the Quiz tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now? (a) Edit photo (b) Quiz (c) Lessons (d) Me
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Settings tab
    4. open “Help page”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. open “Map”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now? (a) Map (b) Feed (c) Friend list (d) Score card
29. 29.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) switches main sections
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Map”
    4. open “Map”
    Which screen are you on now? (a) Search (b) Home (c) Map (d) Video
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. tap the Settings tab
    5. open “Edit photo”
    Which screen are you on now? (a) Score card (b) Edit photo (c) Video (d) Feed
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    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 “Map”
    2. tap the Search tab
    3. tap the Home tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) switches main sections (d) opens a list of pages
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Help page”
    3. open “Edit photo”
    4. tap the Home tab
    Which screen are you on now? (a) Help page (b) Edit photo (c) Home (d) Search
38. 38.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. open “Score card”
    Which screen are you on now? (a) Score card (b) Map (c) Feed (d) Badges
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Quiz tab
    Which screen are you on now? (a) Quiz (b) Lessons (c) Me (d) Help page

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students