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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 605 · 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. tap the Me tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Video”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Video (d) Map
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Search (c) Edit photo (d) Home
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    4. tap the Me tab
    5. open “Badges”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Score card (d) Badges
  6. 6.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) undoes one move (d) switches main sections
  7. 7.🧭 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
  8. 8.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Match report”
    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?
  10. 10.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
  11. 11.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Match report”
    4. open “Map”
    5. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Match report (d) Help page
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. tap the Quiz tab
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Video (d) Quiz
  15. 15.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. tap the Settings tab
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Feed (d) Chat
  17. 17.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) sits at the bottom
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    4. tap the Chat tab
    Which screen are you on now?     (a) Video (b) Map (c) Feed (d) Chat
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Match report”
    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 “Score card”
    2. open “Help page”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Help page (d) Lessons
  21. 21.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
  22. 22.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    4. tap the Quiz tab
    5. open “Badges”
    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) shows 3 to 5 icons (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Score card (d) Home
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Me tab
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Me
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Map”
    4. tap the Search tab
    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 “Match report”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Score card”
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Search (b) Score card (c) Video (d) Home
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Home (d) Friend list
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. open “Match report”
    Which screen are you on now?     (a) Map (b) Match report (c) Search (d) Home
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Home (b) Match report (c) Edit photo (d) Search
  36. 36.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Map”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. open “Help page”
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Help page (c) Map (d) Edit photo

Answer key

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

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