App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 281 · 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 hides extra links? (a) a menu button (b) a tab bar (c) the back button
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. tap the Lessons tab
   3. open “Friend list”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Match report”
   3. tap Back
   4. open “Match report”
   5. tap the Search tab
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Video”
   2. open “Help page”
   3. open “Help page”
   Which screen are you on now? (a) Quiz (b) Video (c) Lessons (d) Help page
5. 5.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) shows 3 to 5 icons
6. 6.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Video”
   2. open “Match report”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
8. 8.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) sits at the bottom
9. 9.🧭 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”
   4. tap Back
   5. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to look busy (d) to use more battery
11. 11.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) hides extra links (d) opens a list of pages
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    Which screen are you on now? (a) Lessons (b) Score card (c) Quiz (d) Edit photo
13. 13.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now? (a) Friend list (b) Score card (c) Quiz (d) Lessons
15. 15.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
16. 16.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) opens a list of pages (d) undoes one move
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Edit photo”
    4. tap the Settings tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) opens a list of pages
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Score card”
    4. tap Back
    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 “Video”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap the Search tab
    4. open “Map”
    Which screen are you on now? (a) Search (b) Map (c) Home (d) Help page
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. tap Back
    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 “Friend list”
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now? (a) Search (b) Home (c) Friend list (d) Edit photo
25. 25.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
26. 26.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. open “Score card”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
29. 29.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Friend list”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Friend list”
    Which screen are you on now? (a) Video (b) Feed (c) Friend list (d) Chat
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Me tab
    4. open “Map”
    Which screen are you on now? (a) Quiz (b) Map (c) Lessons (d) Me
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
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap the Quiz tab
    Which screen are you on now? (a) Help page (b) Quiz (c) Lessons (d) Me
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Friend list”
    4. tap Back
    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 “Video”
    2. open “Help page”
    3. tap Back
    Which screen are you on now? (a) Search (b) Home (c) Help page (d) Video
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Quiz tab
    Which screen are you on now? (a) Score card (b) Match report (c) Quiz (d) Lessons
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. open “Video”
    Which screen are you on now? (a) Video (b) Lessons (c) Help page (d) Score card

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