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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 859 · 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.

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

Answer key

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

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