App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 497 · 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 “Friend list”
   2. tap Back
   3. open “Match report”
   4. open “Edit photo”
   5. open “Score card”
   How many times must you tap Back to reach the main screen of this tab?
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Friend list”
   2. tap Back
   3. open “Friend list”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) switches main sections (d) shows 3 to 5 icons
4. 4.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Map”
   2. tap Back
   3. open “Map”
   Which screen are you on now? (a) Map (b) Search (c) Profile (d) Home
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Map”
   2. open “Video”
   3. tap Back
   Which screen are you on now? (a) Lessons (b) Quiz (c) Video (d) Map
7. 7.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
8. 8.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) undoes one move
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. tap the Me tab
   3. open “Edit photo”
   4. open “Video”
   5. open “Video”
   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 “Score card”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now? (a) Search (b) Score card (c) Edit photo (d) Home
11. 11.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) goes to the last screen (d) switches main sections
12. 12.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    Which screen are you on now? (a) Friend list (b) Score card (c) Search (d) Home
14. 14.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) sits at the bottom (d) opens a list of pages
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. 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 a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) hides extra links (d) undoes one move
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Badges”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) so users do not get lost (d) to use more battery
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now? (a) Lessons (b) Me (c) Quiz (d) Match report
20. 20.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
21. 21.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
22. 22.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    4. open “Badges”
    5. tap Back
    Which screen are you on now? (a) Badges (b) Home (c) Friend list (d) Video
24. 24.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Map”
    4. tap Back
    5. tap the Settings tab
    Which screen are you on now? (a) Edit photo (b) Feed (c) Map (d) Settings
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now? (a) Search (b) Home (c) Badges (d) Match report
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap the Feed tab
    Which screen are you on now? (a) Map (b) Settings (c) Chat (d) Feed
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Badges”
    4. tap the Profile tab
    Which screen are you on now? (a) Badges (b) Home (c) Search (d) Profile
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. 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 menu button (c) a tab bar
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. open “Match report”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Edit photo”
    4. tap the Lessons tab
    Which screen are you on now? (a) Friend list (b) Lessons (c) Edit photo (d) Quiz
34. 34.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Search tab
    Which screen are you on now? (a) Search (b) Home (c) Profile (d) Match report
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Map”
    4. open “Map”
    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 “Score card”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now? (a) Help page (b) Home (c) Score card (d) Search
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now? (a) Lessons (b) Help page (c) Score card (d) Edit photo
39. 39.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
40. 40.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button

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