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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 747 · 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.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Match report”
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Match report (b) Lessons (c) Quiz (d) Edit photo
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  5. 5.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  6. 6.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Map”
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    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. tap the Lessons tab
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Match report (d) Friend list
  12. 12.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Map”
    4. tap the Lessons tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap the Quiz tab
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. tap the Home tab
    4. open “Match report”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap the Profile tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Profile (c) Help page (d) Map
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. tap Back
    4. open “Video”
    5. open “Map”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Video (d) Map
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Map”
    4. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Map (d) Score card
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Help page”
    4. tap the Search tab
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Friend list
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Edit photo
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap the Search tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Video (b) Feed (c) Settings (d) Chat
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Video”
    4. open “Map”
    5. tap the Search tab
    Which screen are you on now?     (a) Video (b) Score card (c) Map (d) Search
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Badges”
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Badges (d) Friend list
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Video
  30. 30.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) hides extra links
  31. 31.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap the Home tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Feed tab
    Which screen are you on now?     (a) Match report (b) Chat (c) Feed (d) Score card
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Feed (c) Chat (d) Edit photo
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Video
  38. 38.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Edit photo”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Score card (c) Feed (d) Edit photo
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. a tab bar
  2. Quiz
  3. 0
  4. a tab bar
  5. 3 to 5
  6. so users do not get lost
  7. at the bottom
  8. 1
  9. the back button
  10. 1
  11. Lessons
  12. sits at the bottom
  13. 1
  14. 0
  15. 1
  16. 0
  17. Profile
  18. Map
  19. Score card
  20. Friend list
  21. Lessons
  22. 1
  23. goes to the last screen
  24. Settings
  25. 1
  26. a menu button
  27. Search
  28. Friend list
  29. Quiz
  30. switches main sections
  31. the back button
  32. 1
  33. 0
  34. 0
  35. Feed
  36. Edit photo
  37. Search
  38. that tab’s main screen
  39. Score card
  40. 1

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