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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 341 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Quiz tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Video”
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Video
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Edit photo”
    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) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) switches main sections (d) goes to the last screen
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Score card”
    Which screen are you on now?     (a) Settings (b) Feed (c) Score card (d) Chat
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. tap the Quiz tab
    4. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Map (d) Video
  12. 12.🧭 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
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  15. 15.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Badges”
    3. tap Back
    4. tap the Feed tab
    5. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Badges (c) Settings (d) Help page
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Search tab
    Which screen are you on now?     (a) Edit photo (b) Search (c) Badges (d) Home
  20. 20.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Home (d) Match report
  22. 22.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Chat (d) Settings
  24. 24.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  25. 25.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Edit photo
  27. 27.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Match report”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 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”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Score card”
    4. tap the Lessons tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    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) sits at the bottom (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    4. tap the Quiz tab
    5. open “Score card”
    Which screen are you on now?     (a) Match report (b) Help page (c) Score card (d) Lessons
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Video”
    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) the back button (b) a tab bar (c) a menu button
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Search tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. tap the Settings tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. 1
  2. Home
  3. 3
  4. goes to the last screen
  5. Settings
  6. 1
  7. goes to the last screen
  8. Score card
  9. 2
  10. 1
  11. Score card
  12. at the bottom
  13. 3
  14. shows 3 to 5 icons
  15. that tab’s main screen
  16. 0
  17. 3
  18. Settings
  19. Search
  20. a menu button
  21. Match report
  22. 3 to 5
  23. Edit photo
  24. so users do not get lost
  25. a menu button
  26. Edit photo
  27. a tab bar
  28. 1
  29. 2
  30. 1
  31. the back button
  32. 2
  33. sits at the bottom
  34. Score card
  35. 0
  36. 1
  37. a tab bar
  38. 1
  39. 1
  40. 2

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