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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 500 · 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 Lessons tab
    2. tap the Me tab
    3. open “Friend list”
    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. tap the Profile tab
    2. tap the Home tab
    3. open “Badges”
    4. tap the Search tab
    5. tap the Profile tab
    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 “Match report”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Friend list
  4. 4.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Match report”
    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 “Map”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Map (b) Search (c) Match report (d) Home
  7. 7.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  8. 8.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Me tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Edit photo
  10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  11. 11.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Map (d) Quiz
  13. 13.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) goes to the last screen (d) hides extra links
  14. 14.🧭 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
  15. 15.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Chat tab
    4. tap the Feed tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Map”
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Map
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Lessons tab
    4. tap the Quiz tab
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Help page”
    4. tap the Search tab
    Which screen are you on now?     (a) Video (b) Help page (c) Search (d) Edit photo
  23. 23.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  24. 24.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Badges”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Map (d) Quiz
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Video
  27. 27.🧭 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”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Score card
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Score card”
    Which screen are you on now?     (a) Friend list (b) Feed (c) Chat (d) Score card
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Badges (d) Me
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Video”
    Which screen are you on now?     (a) Score card (b) Video (c) Help page (d) Feed
  32. 32.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) sits at the bottom
  33. 33.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) opens a list of pages (d) switches main sections
  34. 34.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  35. 35.Which of these is true of a menu button? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) switches main sections
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Help page”
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Feed (d) Score card
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 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”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Match report
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons

Answer key

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

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