App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 614 · 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 of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) switches main sections
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Score card”
   2. open “Badges”
   3. tap Back
   4. tap Back
   5. tap the Feed tab
   Which screen are you on now? (a) Badges (b) Score card (c) Feed (d) Chat
3. 3.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
4. 4.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Score card”
   2. tap the Home tab
   3. open “Friend list”
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
6. 6.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap Back
   3. tap the Profile tab
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Match report”
   2. open “Score card”
   3. tap Back
   Which screen are you on now? (a) Feed (b) Score card (c) Chat (d) Match report
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Edit photo”
   3. tap the Chat tab
   4. open “Badges”
   5. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    4. tap the Chat tab
    Which screen are you on now? (a) Chat (b) Map (c) Feed (d) Settings
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. 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 tab bar? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) goes to the last screen
13. 13.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) undoes one move (d) opens a list of pages
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Badges”
    Which screen are you on now? (a) Quiz (b) Me (c) Badges (d) Lessons
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Score card”
    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) shows 3 to 5 icons (b) undoes one move (c) switches main sections (d) sits at the bottom
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Feed tab
    4. open “Help page”
    5. tap the Chat tab
    Which screen are you on now? (a) Help page (b) Settings (c) Feed (d) Chat
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. tap the Feed 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 “Video”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now? (a) Lessons (b) Quiz (c) Edit photo (d) Video
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. tap the Profile tab
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now? (a) Profile (b) Home (c) Search (d) Help page
21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap the Lessons tab
    Which screen are you on now? (a) Help page (b) Lessons (c) Quiz (d) Edit photo
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 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
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    Which screen are you on now? (a) Feed (b) Chat (c) Help page (d) Match report
25. 25.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) opens a list of pages
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now? (a) Badges (b) Feed (c) Score card (d) Chat
27. 27.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Help page”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now? (a) Help page (b) Lessons (c) Quiz (d) Edit photo
29. 29.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) shows 3 to 5 icons (d) hides extra links
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Help page”
    4. tap Back
    Which screen are you on now? (a) Profile (b) Help page (c) Search (d) Home
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Match report”
    Which screen are you on now? (a) Chat (b) Feed (c) Match report (d) Video
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Search tab
    Which screen are you on now? (a) Search (b) Profile (c) Score card (d) Home
33. 33.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) closes all apps (d) opens settings
34. 34.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
35. 35.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    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 “Score card”
    2. tap Back
    3. open “Friend list”
    4. tap the Home tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Settings tab
    Which screen are you on now? (a) Friend list (b) Video (c) Feed (d) Settings
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now? (a) Feed (b) Match report (c) Help page (d) Chat
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Badges”
    Which screen are you on now? (a) Badges (b) Feed (c) Map (d) Edit photo

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