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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 603 · 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. open “Help page”
    2. open “Edit photo”
    3. open “Map”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Map (c) Home (d) Help page
  2. 2.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) undoes one move (d) switches main sections
  5. 5.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Home (c) Match report (d) Search
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Video”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  10. 10.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) undoes one move (d) sits at the bottom
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle
  14. 14.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) that tab’s main screen (d) the last app used
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Search (b) Badges (c) Score card (d) Home
  16. 16.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Badges”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Edit photo
  19. 19.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Feed tab
    4. open “Match report”
    5. tap Back
    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 “Map”
    2. tap Back
    3. open “Friend list”
    4. tap the Profile tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Search tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Edit photo
  25. 25.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Lessons tab
    5. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Score card (d) Edit photo
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Badges (c) Home (d) Help page
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Match report”
    4. tap the Feed tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Match report (d) Badges
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Video (d) Home
  30. 30.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) shows 3 to 5 icons (d) goes to the last screen
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap the Me tab
    4. open “Match report”
    Which screen are you on now?     (a) Help page (b) Quiz (c) Match report (d) Lessons
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.Which of these is true of a tab bar? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) opens a list of pages
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Chat tab
    4. open “Badges”
    5. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Video (c) Edit photo (d) Help page
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Video
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Video
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap the Me tab
    4. open “Map”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Match report
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Video (d) Lessons

Answer key

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

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