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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 150 · 40 questions
TalentJR

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.

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

Answer key

  1. that tab’s main screen
  2. so users do not get lost
  3. the back button
  4. the back button
  5. Me
  6. 0
  7. a tab bar
  8. Chat
  9. 3 to 5
  10. 2
  11. 0
  12. 1
  13. Edit photo
  14. a menu button
  15. Match report
  16. 3
  17. Feed
  18. switches main sections
  19. Badges
  20. 0
  21. Home
  22. 0
  23. Match report
  24. 2
  25. 0
  26. Badges
  27. goes to the last screen
  28. 1
  29. opens a list of pages
  30. shows 3 to 5 icons
  31. 1
  32. 1
  33. at the bottom
  34. sits at the bottom
  35. Friend list
  36. goes to the last screen
  37. 1
  38. 0
  39. a menu button
  40. 1

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