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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 722 · 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 the Lessons tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Video
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Edit photo
  3. 3.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Me tab
    4. tap the Quiz tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Lessons (d) Quiz
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. open “Match report”
    Which screen are you on now?     (a) Help page (b) Match report (c) Chat (d) Feed
  7. 7.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Badges (c) Feed (d) Friend list
  9. 9.🧭 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
  10. 10.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    4. open “Badges”
    5. tap the Search tab
    Which screen are you on now?     (a) Badges (b) Map (c) Search (d) Home
  12. 12.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) goes to the last screen
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Edit photo
  14. 14.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Video”
    Which screen are you on now?     (a) Feed (b) Chat (c) Video (d) Edit photo
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Map”
    Which screen are you on now?     (a) Video (b) Feed (c) Map (d) Chat
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. tap the Feed tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  20. 20.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) shows 3 to 5 icons
  21. 21.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  22. 22.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Video (c) Edit photo (d) Map
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Lessons tab
    4. open “Help page”
    5. tap the Me tab
    Which screen are you on now?     (a) Help page (b) Map (c) Me (d) Score card
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Video”
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Me (d) Lessons
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    5. tap the Profile tab
    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 “Friend list”
    2. open “Match report”
    3. open “Map”
    4. tap the Profile tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) undoes one move (d) hides extra links
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Feed (c) Video (d) Settings
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Match report”
    Which screen are you on now?     (a) Video (b) Feed (c) Match report (d) Chat
  36. 36.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap the Feed tab
    4. open “Edit photo”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) switches main sections (d) sits at the bottom
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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