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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 585 · 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.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  2. 2.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  3. 3.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  4. 4.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. open “Map”
    4. tap the Feed tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Match report”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Search (c) Help page (d) Home
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Map”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Chat (b) Friend list (c) Map (d) Feed
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    5. tap the Me 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 Quiz tab
    2. open “Map”
    3. tap the Quiz tab
    4. open “Score card”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Map
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Edit photo (c) Badges (d) Search
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now?     (a) Video (b) Chat (c) Map (d) Feed
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. open “Badges”
    4. open “Video”
    5. open “Score card”
    Which screen are you on now?     (a) Video (b) Match report (c) Score card (d) Badges
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Profile tab
    4. open “Match report”
    5. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Match report (d) Help page
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Quiz tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) shows 3 to 5 icons (d) undoes one move
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Friend list (c) Feed (d) Chat
  19. 19.🧭 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
  20. 20.🧭 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
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Me (d) Quiz
  21. 21.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
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Search tab
    4. tap the Search tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Badges
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Map”
    4. tap Back
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Video (c) Chat (d) Map
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Map”
    4. tap the Home tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Video”
    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. tap the Search tab
    2. open “Score card”
    3. tap the Profile tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Score card
  29. 29.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Match report”
    4. tap the Home tab
    5. open “Video”
    Which screen are you on now?     (a) Match report (b) Help page (c) Video (d) Score card
  31. 31.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) nowhere (d) in the middle
  32. 32.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 1 (d) 10 to 12
  33. 33.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Search (b) Video (c) Map (d) Home
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    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. tap the Profile tab
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now?     (a) Badges (b) Profile (c) Search (d) Home
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Feed (c) Map (d) Chat
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Score card
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Profile tab
    4. open “Friend list”
    5. tap the Profile tab
    Which screen are you on now?     (a) Video (b) Profile (c) Friend list (d) Home
  40. 40.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button

Answer key

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

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