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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 677 · 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.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  2. 2.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Help page (d) Friend list
  4. 4.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Home (d) Map
  6. 6.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  7. 7.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Friend list (c) Feed (d) Chat
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Video”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Search tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Profile
  12. 12.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
  13. 13.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  14. 14.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) opens a list of pages (d) shows 3 to 5 icons
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Video
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Map
  17. 17.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. tap Back
    4. open “Match report”
    5. tap Back
    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. tap the Chat tab
    2. open “Match report”
    3. tap the Feed tab
    4. open “Badges”
    5. tap the Feed tab
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Match report
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now?     (a) Map (b) Badges (c) Feed (d) Edit photo
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Video”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Video (d) Quiz
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Match report”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Match report
  25. 25.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) at the bottom (d) in the middle
  26. 26.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) undoes one move
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Badges
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Help page”
    4. open “Badges”
    Which screen are you on now?     (a) Home (b) Help page (c) Badges (d) Search
  29. 29.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Match report”
    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. tap Back
    3. open “Edit photo”
    4. tap Back
    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 “Video”
    2. open “Video”
    3. tap Back
    4. tap the Search tab
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Video (c) Friend list (d) Search
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Feed (c) Settings (d) Chat
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    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 Profile tab
    2. tap the Home tab
    3. open “Match report”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 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”
    4. open “Score card”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. open “Score card”
    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. open “Match report”
    2. open “Badges”
    3. tap Back
    4. tap the Quiz tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Badges (b) Match report (c) Lessons (d) Quiz
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Home tab
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Profile

Answer key

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

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