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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 546 · 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 Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Map (c) Search (d) Profile
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Help page”
    4. open “Edit photo”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Help page (c) Edit photo (d) Match report
  4. 4.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) sits at the bottom (d) opens a list of pages
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap the Feed tab
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Feed (d) Map
  6. 6.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) shows 3 to 5 icons
  7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 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
  9. 9.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  10. 10.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. open “Help page”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 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”
    Which screen are you on now?     (a) Help page (b) Home (c) Score card (d) Search
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Friend list (c) Home (d) Search
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Me (b) Lessons (c) Edit photo (d) Quiz
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Map”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Help page (c) Score card (d) Map
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Help page (d) Lessons
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Search tab
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Map
  19. 19.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) goes to the last screen (d) sits at the bottom
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 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
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Help page”
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Video (c) Quiz (d) Help page
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) undoes one move
  25. 25.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Match report”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Map (c) Lessons (d) Score card
  27. 27.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) goes to the last screen
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Score card
  29. 29.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Friend list”
    4. tap the Feed tab
    Which screen are you on now?     (a) Score card (b) Feed (c) Friend list (d) Edit photo
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Help page (c) Map (d) Edit photo
  33. 33.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) goes to the last screen
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap the Quiz tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Friend list”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Quiz (d) Friend list
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Lessons tab
    4. tap the Quiz tab
    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. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Friend list (d) Feed
  39. 39.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Feed (c) Chat (d) Edit photo

Answer key

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

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