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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 225 · 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. open “Match report”
    2. open “Badges”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 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 Chat tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings
  3. 3.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) undoes one move (d) goes to the last screen
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap Back
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Search (c) Profile (d) Home
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Score card (c) Me (d) Lessons
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Help page”
    4. tap the Home tab
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Help page (c) Home (d) Badges
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Match report”
    Which screen are you on now?     (a) Score card (b) Match report (c) Home (d) Search
  9. 9.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) sits at the bottom
  10. 10.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) undoes one move (d) opens a list of pages
  11. 11.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  12. 12.🧭 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?
  13. 13.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  14. 14.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  15. 15.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    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?
  19. 19.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) so users do not get lost (d) to use more battery
  20. 20.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  21. 21.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) goes to the last screen (d) shows 3 to 5 icons
  22. 22.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. open “Video”
    4. open “Edit photo”
    5. open “Score card”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Help page (d) Score card
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Score card”
    4. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Help page (d) Score card
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Score card”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Settings tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. 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 Me tab
    3. tap the Lessons tab
    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 “Edit photo”
    2. tap the Feed tab
    3. open “Help page”
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Edit photo (c) Feed (d) Help page
  32. 32.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    4. tap the Profile tab
    5. open “Badges”
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Edit photo
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons (d) Map
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Map”
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Search (c) Edit photo (d) Home
  38. 38.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Home tab
    4. open “Video”
    5. tap the Home tab
    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. tap the Me tab
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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