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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 700 · 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.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  2. 2.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) hides extra links
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Edit photo
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Search tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  7. 7.🧭 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. tap the Quiz tab
    5. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Lessons (d) Score card
  8. 8.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.Which of these is true of the back button? (a) shows 3 to 5 icons (b) opens a list of pages (c) undoes one move (d) sits at the bottom
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Help page
  12. 12.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) hides extra links
  13. 13.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
  14. 14.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Search (b) Match report (c) Friend list (d) Home
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Video
  18. 18.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Friend list”
    4. tap the Home tab
    5. open “Edit photo”
    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 “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Me tab
    4. tap the Quiz tab
    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 Settings tab
    2. tap the Feed tab
    3. open “Map”
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Settings
  23. 23.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
  24. 24.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of a menu button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) goes to the last screen
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Badges (d) Lessons
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Video
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Video (c) Search (d) Home
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Lessons (d) Me
  32. 32.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
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    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. tap the Chat tab
    2. open “Help page”
    3. open “Map”
    4. tap the Chat tab
    5. open “Match report”
    Which screen are you on now?     (a) Feed (b) Help page (c) Match report (d) Map
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Home tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Help page”
    4. tap the Me tab
    5. open “Score card”
    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 “Friend list”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Match report”
    4. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Edit photo
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Feed (b) Chat (c) Score card (d) Friend list
  40. 40.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) undoes one move (d) opens a list of pages

Answer key

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

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