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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 199 · 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. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) undoes one move
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Edit photo”
    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. tap the Settings tab
    2. open “Friend list”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Lessons tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Lessons (c) Help page (d) Map
  6. 6.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. open “Friend list”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) sits at the bottom (d) goes to the last screen
  10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Quiz (d) Lessons
  12. 12.Which of these is true of a menu button? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) sits at the bottom
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Feed (c) Match report (d) Chat
  14. 14.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) switches main sections (d) goes to the last screen
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Video”
    Which screen are you on now?     (a) Chat (b) Friend list (c) Feed (d) Video
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Settings tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Badges (b) Help page (c) Feed (d) Settings
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Map”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation sits at the bottom? (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 “Match report”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Match report
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. open “Score card”
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Map (c) Badges (d) Score card
  21. 21.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  22. 22.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) inside a button (d) nowhere
  23. 23.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) that tab’s main screen (d) the last app used
  24. 24.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) sits at the bottom
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Map”
    4. tap the Profile 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. tap the Profile tab
    2. tap the Search tab
    3. open “Score card”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Chat tab
    4. open “Friend list”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Match report”
    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 Search tab
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Search (b) Help page (c) Home (d) Match report
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Score card (d) Search
  31. 31.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  32. 32.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. tap Back
    4. tap the Feed tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Video (d) Help page
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Chat (c) Feed (d) Friend list
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Help page”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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