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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 251 · 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 of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  2. 2.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  3. 3.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) hides extra links (d) undoes one move
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Video
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Lessons tab
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) in the middle (d) at the bottom
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Friend list (c) Edit photo (d) Search
  8. 8.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to look busy (d) to use more battery
  9. 9.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) undoes one move (d) sits at the bottom
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Map”
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Feed (c) Map (d) Chat
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. open “Map”
    5. open “Video”
    Which screen are you on now?     (a) Score card (b) Map (c) Video (d) Edit photo
  13. 13.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  14. 14.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Lessons tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Friend list
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  19. 19.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the phone settings (d) the last app used
  20. 20.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Badges”
    4. tap Back
    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 “Map”
    2. open “Score card”
    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?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Profile tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Profile (b) Edit photo (c) Badges (d) Help page
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. tap the Settings tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Friend list”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) undoes one move (d) goes to the last screen
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap the Feed tab
    5. open “Friend list”
    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 “Video”
    2. open “Match report”
    3. tap the Lessons tab
    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. open “Badges”
    2. open “Map”
    3. open “Friend list”
    4. open “Badges”
    5. tap the Chat tab
    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. tap the Search tab
    2. open “Friend list”
    3. open “Badges”
    Which screen are you on now?     (a) Search (b) Badges (c) Home (d) Friend list
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Profile (b) Edit photo (c) Home (d) Search
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Settings (c) Feed (d) Chat
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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