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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 334 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Video”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Feed (c) Edit photo (d) Video
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Chat tab
    5. open “Match report”
    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. open “Badges”
    2. tap Back
    3. open “Help page”
    4. open “Match report”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) hides extra links (d) goes to the last screen
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Search (c) Match report (d) Home
  6. 6.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  7. 7.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) shows 3 to 5 icons
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  10. 10.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
  11. 11.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 3 to 5 (d) 10 to 12
  12. 12.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  13. 13.🧭 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
  14. 14.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. open “Match report”
    5. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Video (d) Match report
  16. 16.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Badges”
    4. tap Back
    5. tap the Chat tab
    Which screen are you on now?     (a) Score card (b) Chat (c) Badges (d) Feed
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Video
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Badges”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap the Lessons tab
    5. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Lessons (d) Quiz
  24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  25. 25.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  26. 26.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) sits at the bottom (d) hides extra links
  27. 27.🧭 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
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Map (d) Lessons
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    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?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 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?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap the Search tab
    4. open “Edit photo”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. tap the Profile tab
    4. tap the Profile tab
    5. open “Friend list”
    Which screen are you on now?     (a) Profile (b) Home (c) Friend list (d) Search
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Score card (c) Video (d) Help page
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    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 “Badges”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Profile (b) Search (c) Help page (d) Home
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Match report”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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