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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 451 · 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 Search tab
    2. open “Map”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) opens a list of pages (d) switches main sections
  4. 4.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. tap the Me tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    4. tap the Lessons tab
    5. tap the Lessons tab
    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) shows 3 to 5 icons (b) goes to the last screen (c) undoes one move (d) opens a list of pages
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Chat (d) Feed
  10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  11. 11.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Score card”
    4. tap the Quiz tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Score card (d) Lessons
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Edit photo
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap the Chat tab
    4. tap the Chat tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  16. 16.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  17. 17.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap the Search tab
    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?
  19. 19.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  20. 20.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  21. 21.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Home (b) Edit photo (c) Profile (d) Search
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Help page”
    4. open “Friend list”
    5. open “Map”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Map (d) Friend list
  24. 24.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  25. 25.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Profile tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Home tab
    4. tap the Search tab
    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. open “Score card”
    2. tap the Lessons tab
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the phone settings (d) the last app used
  30. 30.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) sits at the bottom
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 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”
    4. open “Badges”
    Which screen are you on now?     (a) Chat (b) Badges (c) Feed (d) Match report
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Video”
    4. tap the Lessons tab
    5. tap the Me tab
    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 “Video”
    2. tap Back
    3. open “Map”
    4. tap the Home tab
    5. open “Match report”
    Which screen are you on now?     (a) Map (b) Video (c) Match report (d) Home
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. open “Video”
    4. tap the Chat tab
    Which screen are you on now?     (a) Friend list (b) Video (c) Chat (d) Feed
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap Back
    4. tap the Profile 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. tap the Profile tab
    2. open “Score card”
    3. open “Help page”
    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 “Help page”
    2. open “Badges”
    3. tap Back
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Video”
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Video
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Friend list”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Search (b) Help page (c) Friend list (d) Home

Answer key

  1. 2
  2. 1
  3. undoes one move
  4. sits at the bottom
  5. 0
  6. 1
  7. 0
  8. shows 3 to 5 icons
  9. Map
  10. a tab bar
  11. 3 to 5
  12. Badges
  13. Edit photo
  14. 1
  15. goes to the last screen
  16. the back button
  17. a tab bar
  18. 0
  19. the back button
  20. a menu button
  21. a tab bar
  22. Home
  23. Map
  24. a menu button
  25. goes to the last screen
  26. 1
  27. 0
  28. 0
  29. that tab’s main screen
  30. opens a list of pages
  31. 3
  32. Badges
  33. 0
  34. Match report
  35. Chat
  36. 0
  37. 2
  38. 0
  39. Video
  40. Friend list

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