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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 570 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Map”
    4. 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. open “Friend list”
    4. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Search (c) Home (d) Friend list
  3. 3.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) hides extra links
  4. 4.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) a random page (d) the phone settings
  5. 5.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Badges”
    3. tap Back
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Map (d) Badges
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Match report
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Badges”
    4. open “Map”
    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 “Help page”
    2. open “Video”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) hides extra links (d) shows 3 to 5 icons
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    4. tap the Quiz tab
    5. open “Map”
    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 “Friend list”
    2. open “Map”
    3. open “Map”
    4. tap Back
    5. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Friend list (c) Map (d) Profile
  15. 15.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) shows 3 to 5 icons
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    4. tap Back
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  18. 18.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. tap the Settings tab
    4. open “Match report”
    5. open “Help page”
    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 “Help page”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Help page (c) Lessons (d) Quiz
  21. 21.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    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. open “Friend list”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Friend list (c) Home (d) Search
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. open “Video”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap the Search tab
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Score card (c) Search (d) Home
  26. 26.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  27. 27.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, 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?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    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 “Help page”
    3. tap the Me tab
    4. 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 Settings tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Settings
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Match report (d) Score card
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Lessons (d) Quiz
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Match report”
    4. tap the Quiz tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Lessons (c) Quiz (d) Help page
  38. 38.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) switches main sections
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Match report”
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Home (c) Match report (d) Friend list
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Badges”
    4. open “Edit photo”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. 1
  2. Home
  3. shows 3 to 5 icons
  4. that tab’s main screen
  5. 3 to 5
  6. 1
  7. a menu button
  8. Video
  9. Edit photo
  10. 2
  11. 3
  12. undoes one move
  13. 1
  14. Profile
  15. opens a list of pages
  16. 0
  17. a tab bar
  18. the back button
  19. 2
  20. Lessons
  21. at the bottom
  22. 1
  23. Profile
  24. 0
  25. Score card
  26. goes to the last screen
  27. a menu button
  28. 1
  29. 0
  30. 1
  31. 1
  32. Settings
  33. Score card
  34. Quiz
  35. 1
  36. goes to the last screen
  37. Map
  38. switches main sections
  39. Match report
  40. 0

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