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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 56 · 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 of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) switches main sections (d) undoes one move
  2. 2.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) switches main sections
  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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Map”
    4. tap the Chat tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Friend list (b) Map (c) Feed (d) Chat
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Map (d) Quiz
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. open “Help page”
    4. tap the Home tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Home (d) Search
  12. 12.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to look busy (d) to hide the menu
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap Back
    4. open “Badges”
    5. tap Back
    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 “Score card”
    2. open “Score card”
    3. tap Back
    4. open “Match report”
    5. open “Map”
    Which screen are you on now?     (a) Score card (b) Map (c) Match report (d) Home
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Feed (c) Help page (d) Chat
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. open “Help page”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Help page (d) Profile
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Video”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Me (c) Map (d) Lessons
  20. 20.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) shows 3 to 5 icons
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap Back
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Map
  22. 22.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) hides extra links
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Badges”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) a random page (d) the last app used
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Match report (c) Profile (d) Search
  27. 27.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Badges
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Badges”
    3. open “Friend list”
    4. open “Match report”
    Which screen are you on now?     (a) Map (b) Match report (c) Badges (d) Friend list
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Video”
    4. tap the Chat tab
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Video (d) Feed
  31. 31.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
  32. 32.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Map”
    3. open “Video”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Feed tab
    4. tap the Settings tab
    5. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Map (c) Feed (d) Score card
  38. 38.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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