App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 80 · 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 the back button? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) shows 3 to 5 icons
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Help page”
   3. tap Back
   4. open “Match report”
   Which screen are you on now? (a) Feed (b) Help page (c) Match report (d) Chat
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Score card”
   2. tap the Settings tab
   3. tap the Settings tab
   4. open “Help page”
   5. tap Back
   Which screen are you on now? (a) Score card (b) Settings (c) Help page (d) Feed
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Video”
   2. tap the Chat tab
   3. open “Badges”
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. open “Help page”
   3. open “Match report”
   4. tap Back
   5. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
7. 7.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
8. 8.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) switches main sections (d) shows 3 to 5 icons
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Lessons tab
   2. open “Help page”
   3. open “Score card”
   4. tap Back
   Which screen are you on now? (a) Quiz (b) Score card (c) Help page (d) Lessons
10. 10.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) goes to the last screen
11. 11.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
12. 12.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Quiz tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
15. 15.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Map”
    Which screen are you on now? (a) Search (b) Home (c) Map (d) Profile
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
19. 19.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
20. 20.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) undoes one move
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    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 “Score card”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Help page”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
24. 24.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) opens a list of pages
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Map”
    4. tap the Search tab
    Which screen are you on now? (a) Home (b) Search (c) Profile (d) Map
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) undoes one move (d) goes to the last screen
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    4. open “Badges”
    5. open “Map”
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Badges (d) Map
31. 31.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Score card”
    4. tap the Quiz tab
    5. tap the Lessons tab
    Which screen are you on now? (a) Lessons (b) Score card (c) Edit photo (d) Video
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now? (a) Search (b) Match report (c) Profile (d) Home
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Map”
    Which screen are you on now? (a) Feed (b) Chat (c) Score card (d) Map
38. 38.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Help page”
    5. open “Score card”
    Which screen are you on now? (a) Help page (b) Score card (c) Map (d) Friend list
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now? (a) Video (b) Lessons (c) Me (d) Quiz

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