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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 678 · 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.🧭 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
  2. 2.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons (d) Edit photo
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Help page”
    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 Home tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Map”
    4. tap the Feed tab
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Match report
  7. 7.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  8. 8.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Quiz tab
    4. open “Match report”
    5. tap the Me tab
    Which screen are you on now?     (a) Match report (b) Map (c) Edit photo (d) Me
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Search (c) Video (d) Home
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Help page
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Lessons (c) Quiz (d) Me
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Friend list (c) Quiz (d) Lessons
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Help page”
    4. tap the Settings tab
    5. tap the Settings tab
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Feed (d) Settings
  19. 19.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) hides extra links (d) sits at the bottom
  20. 20.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Score card
  22. 22.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) closes all apps (d) goes to the last screen
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
  25. 25.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) undoes one move (d) goes to the last screen
  26. 26.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Search (d) Home
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    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 the Feed tab
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Settings
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    4. tap the Search tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap the Chat tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Settings (d) Feed
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap the Me tab
    Which screen are you on now?     (a) Me (b) Friend list (c) Badges (d) Lessons
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Score card”
    4. tap the Search tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Help page (d) Quiz
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) goes to the last screen (d) hides extra links
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. tap the Feed tab
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Video (c) Feed (d) Score card

Answer key

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

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