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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 50 · 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.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. open “Map”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Score card”
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?
    (a) Friend list (b) Home (c) Search (d) Score card
  4. 4.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) shows 3 to 5 icons
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Home tab
    4. tap the Search tab
    Which screen are you on now?
    (a) Badges (b) Match report (c) Home (d) Search
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Home tab
    4. open “Badges”
    Which screen are you on now?
    (a) Score card (b) Home (c) Help page (d) Badges
  7. 7.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) switches main sections (d) sits at the bottom
  8. 8.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Home tab
    4. tap the Profile tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. tap the Search tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Help page”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?
    (a) Feed (b) Help page (c) Map (d) Match report
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Score card”
    3. tap Back
    4. tap the Chat tab
    5. open “Edit photo”
    Which screen are you on now?
    (a) Score card (b) Feed (c) Badges (d) Edit photo
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    4. tap Back
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 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
  20. 20.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  21. 21.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  22. 22.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) opens a list of pages (d) undoes one move
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Video”
    Which screen are you on now?
    (a) Quiz (b) Lessons (c) Match report (d) Video
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Friend list”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) switches main sections (d) goes to the last screen
  26. 26.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Quiz tab
    4. open “Badges”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 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
    5. open “Match report”
    Which screen are you on now?
    (a) Map (b) Lessons (c) Quiz (d) Match report
  29. 29.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Map”
    4. open “Friend list”
    Which screen are you on now?
    (a) Edit photo (b) Friend list (c) Home (d) Map
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Home tab
    4. tap the Profile tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Search tab
    Which screen are you on now?
    (a) Profile (b) Home (c) Search (d) Friend list
  33. 33.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?
    (a) Video (b) Quiz (c) Help page (d) Lessons
  35. 35.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) undoes one move
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?
    (a) Lessons (b) Help page (c) Score card (d) Quiz
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Chat tab
    Which screen are you on now?
    (a) Settings (b) Feed (c) Chat
  40. 40.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button

Answer key

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

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