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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 762 · 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 Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. tap the Profile tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Friend list (c) Feed (d) Chat
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Lessons (d) Quiz
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
  7. 7.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  8. 8.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap the Profile tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Search tab
    Which screen are you on now?     (a) Badges (b) Home (c) Search (d) Edit photo
  11. 11.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Video”
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Home (c) Video (d) Search
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Feed tab
    4. open “Score card”
    5. open “Edit photo”
    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. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Lessons (d) Badges
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 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. tap the Quiz tab
    5. open “Video”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Video (d) Lessons
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Match report”
    4. open “Help page”
    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 “Match report”
    2. open “Edit photo”
    3. open “Match report”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Edit photo”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Edit photo (d) Video
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Home (d) Search
  23. 23.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Help page”
    4. open “Match report”
    5. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Map (c) Match report (d) Edit photo
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me 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?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Help page”
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Help page (d) Chat
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Match report
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    4. open “Video”
    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) shows 3 to 5 icons (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  30. 30.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Video”
    Which screen are you on now?     (a) Score card (b) Home (c) Video (d) Search
  32. 32.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Help page (c) Settings (d) Feed
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. tap the Feed tab
    4. tap the Chat tab
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Friend list (c) Settings (d) Feed
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. open “Help page”
    4. tap the Lessons tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Me
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Video
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap Back
    4. open “Help page”
    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. open “Edit photo”
    2. tap the Search tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  40. 40.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button

Answer key

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

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