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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 759 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Video
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Friend list (c) Search (d) Home
  3. 3.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  4. 4.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  5. 5.🧭 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) Profile (c) Home
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Edit photo”
    5. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Video (d) Friend list
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
  10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  11. 11.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) opens a list of pages
  12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  13. 13.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) sits at the bottom
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Search (c) Home (d) Edit photo
  15. 15.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap the Home tab
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Video
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Help page”
    5. open “Friend list”
    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) a menu button (b) a tab bar (c) the back button
  19. 19.🧭 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
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Friend list”
    4. tap the Search tab
    Which screen are you on now?     (a) Friend list (b) Video (c) Home (d) Search
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Score card”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap the Me tab
    4. tap the Lessons tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) switches main sections
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Home tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Home (d) Friend list
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Settings
  26. 26.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Me tab
    5. 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 Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Edit photo”
    4. tap the Profile tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) shows 3 to 5 icons (d) goes to the last screen
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Home (b) Map (c) Edit photo (d) Search
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Lessons 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. open “Help page”
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Badges
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap the Me tab
    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. open “Map”
    2. tap Back
    3. tap the Search tab
    4. open “Friend list”
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Map
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    4. tap the Profile tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  39. 39.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Edit photo

Answer key

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

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