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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 316 · 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.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  2. 2.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  3. 3.🧭 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”
    Which screen are you on now?     (a) Chat (b) Friend list (c) Match report (d) Feed
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Edit photo”
    4. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Edit photo
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Feed (c) Settings (d) Chat
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Edit photo”
    4. open “Match report”
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Edit photo
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Badges”
    3. tap the Me tab
    4. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Help page
  8. 8.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) goes to the last screen
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
  11. 11.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Chat 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 “Map”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) shows 3 to 5 icons (d) switches main sections
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now?     (a) Score card (b) Map (c) Search (d) Home
  16. 16.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) switches main sections
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Badges
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) hides extra links
  20. 20.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. open “Friend list”
    4. open “Video”
    5. open “Friend list”
    Which screen are you on now?     (a) Video (b) Friend list (c) Lessons (d) Quiz
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Quiz tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Lessons (d) Score card
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Match report”
    4. tap the Quiz tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  27. 27.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap Back
    4. open “Video”
    5. open “Map”
    Which screen are you on now?     (a) Search (b) Home (c) Map (d) Video
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. tap Back
    4. tap the Search tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Score card (d) Help page
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Match report”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Badges”
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Feed (c) Chat (d) Friend list
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Map”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Home (b) Map (c) Search (d) Video
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Match report”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap Back
    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 “Edit photo”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  40. 40.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons

Answer key

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

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