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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 545 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Settings (b) Chat (c) Match report (d) Feed
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
  4. 4.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) shows 3 to 5 icons (d) goes to the last screen
  5. 5.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) switches main sections (d) opens a list of pages
  6. 6.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Edit photo
  8. 8.🧭 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
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap the Chat tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Edit photo”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. open “Video”
    4. tap Back
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. open “Match report”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Help page”
    4. tap Back
    5. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Help page
  20. 20.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
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Score card
  22. 22.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  23. 23.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) sits at the bottom
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Me (c) Match report (d) Quiz
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Help page (d) Home
  26. 26.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Score card”
    4. open “Help page”
    Which screen are you on now?     (a) Badges (b) Help page (c) Home (d) Score card
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Match report”
    3. tap the Profile tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Profile (c) Home (d) Help page
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Map (d) Home
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Map”
    4. open “Map”
    5. open “Badges”
    Which screen are you on now?     (a) Home (b) Badges (c) Help page (d) Map
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Chat (d) Score card
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Help page (c) Edit photo (d) Lessons
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Help page”
    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. tap the Home tab
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap the Settings tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Video (d) Feed
  40. 40.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button

Answer key

  1. Feed
  2. 0
  3. goes to the last screen
  4. goes to the last screen
  5. switches main sections
  6. a menu button
  7. Chat
  8. at the bottom
  9. 0
  10. 1
  11. 1
  12. 3
  13. sits at the bottom
  14. 0
  15. 2
  16. a tab bar
  17. 3
  18. 3 to 5
  19. Settings
  20. opens a list of pages
  21. Feed
  22. hides extra links
  23. undoes one move
  24. Me
  25. Friend list
  26. that tab’s main screen
  27. Help page
  28. Profile
  29. 0
  30. the back button
  31. Help page
  32. 3
  33. a tab bar
  34. Badges
  35. Edit photo
  36. Edit photo
  37. 1
  38. 1
  39. Feed
  40. the back button

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