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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 428 · 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.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Friend list”
    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. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Video
  8. 8.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. open “Video”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Badges”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Profile tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Home (d) Profile
  12. 12.🧭 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
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Video
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) hides extra links
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Match report
  20. 20.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) shows 3 to 5 icons
  21. 21.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) hides extra links
  22. 22.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Edit photo (c) Profile (d) Search
  24. 24.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  25. 25.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) switches main sections
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. open “Help page”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Match report (d) Quiz
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Score card”
    3. open “Edit photo”
    4. open “Badges”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Match report”
    4. tap Back
    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 “Match report”
    2. open “Match report”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Profile tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Match report (c) Home (d) Profile
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) undoes one move
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Edit photo (d) Profile
  37. 37.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Video”
    3. tap the Quiz tab
    4. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Score card
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Feed tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Chat (b) Score card (c) Feed (d) Badges
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, 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?

Answer key

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

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