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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 793 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. open “Match report”
    4. open “Map”
    5. tap Back
    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 “Edit photo”
    2. tap Back
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  4. 4.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Lessons (d) Video
  6. 6.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Video
  8. 8.🧭 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
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Match report (d) Feed
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Lessons (d) Quiz
  11. 11.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  12. 12.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Profile
  15. 15.🧭 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
  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 “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Score card
  17. 17.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Me (b) Lessons (c) Edit photo (d) Quiz
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. tap the Search tab
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Edit photo
  20. 20.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    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. open “Score card”
    3. tap Back
    4. tap the Lessons tab
    5. open “Score card”
    Which screen are you on now?     (a) Me (b) Lessons (c) Score card (d) Quiz
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Help page”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, 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?
  26. 26.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  27. 27.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) switches main sections (d) hides extra links
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. tap the Settings tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 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 “Video”
    Which screen are you on now?     (a) Video (b) Match report (c) Home (d) Search
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) switches main sections (d) undoes one move
  33. 33.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Map”
    5. tap Back
    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. tap the Lessons tab
    2. open “Map”
    3. open “Match report”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Map (b) Match report (c) Lessons (d) Score card
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Feed (c) Chat (d) Help page
  38. 38.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Lessons (d) Match report
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. 1
  2. 0
  3. a menu button
  4. the back button
  5. Badges
  6. opens a list of pages
  7. Match report
  8. that tab’s main screen
  9. Feed
  10. Help page
  11. a tab bar
  12. goes to the last screen
  13. 0
  14. Profile
  15. so users do not get lost
  16. Score card
  17. the back button
  18. Lessons
  19. Search
  20. 3 to 5
  21. 0
  22. Score card
  23. 3
  24. at the bottom
  25. 1
  26. sits at the bottom
  27. hides extra links
  28. 1
  29. Video
  30. 1
  31. 4
  32. undoes one move
  33. goes to the last screen
  34. 0
  35. Score card
  36. 1
  37. Help page
  38. a tab bar
  39. Badges
  40. 0

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