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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 415 · 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 “Score card”
    2. tap Back
    3. open “Help page”
    4. open “Help page”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Help page
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Score card”
    Which screen are you on now?     (a) Search (b) Home (c) Score card (d) Profile
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Score card”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Match report (c) Quiz (d) Score card
  6. 6.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) undoes one move (d) opens a list of pages
  7. 7.🧭 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”
    4. open “Video”
    Which screen are you on now?     (a) Match report (b) Friend list (c) Feed (d) Video
  8. 8.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) goes to the last screen (d) undoes one move
  9. 9.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  10. 10.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  11. 11.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    4. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Match report (c) Me (d) Quiz
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Help page”
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Lessons (c) Badges (d) Friend list
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Video”
    4. open “Video”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Video (d) Match report
  17. 17.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Help page”
    Which screen are you on now?     (a) Search (b) Help page (c) Home (d) Map
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. open “Friend list”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap the Search tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Home 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 Lessons tab
    2. open “Video”
    3. open “Score card”
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Video
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Me tab
    4. tap the Quiz tab
    5. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Match report (c) Me (d) Lessons
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Me tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Map (c) Feed (d) Badges
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Match report”
    5. tap the Profile tab
    Which screen are you on now?     (a) Friend list (b) Match report (c) Profile (d) Home
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. open “Help page”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. open “Badges”
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Badges (d) Match report
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Home tab
    Which screen are you on now?     (a) Map (b) Search (c) Edit photo (d) Home
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 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
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 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
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Score card”
    Which screen are you on now?     (a) Map (b) Search (c) Score card (d) Home
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    4. tap the Search 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 “Badges”
    2. tap the Settings tab
    3. open “Match report”
    4. open “Badges”
    5. tap the Chat tab
    Which screen are you on now?     (a) Badges (b) Feed (c) Chat (d) Match report
  38. 38.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  39. 39.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Help page

Answer key

  1. Help page
  2. 1
  3. Score card
  4. 3 to 5
  5. Score card
  6. undoes one move
  7. Video
  8. shows 3 to 5 icons
  9. a tab bar
  10. a tab bar
  11. the back button
  12. Quiz
  13. Help page
  14. 0
  15. goes to the last screen
  16. Video
  17. at the bottom
  18. Help page
  19. 3
  20. 1
  21. 0
  22. Video
  23. Me
  24. 1
  25. Badges
  26. Profile
  27. 0
  28. Match report
  29. Home
  30. 0
  31. so users do not get lost
  32. 1
  33. that tab’s main screen
  34. Score card
  35. 2
  36. 1
  37. Chat
  38. the back button
  39. a menu button
  40. Help page

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