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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 325 · 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) in the middle (b) nowhere (c) inside a button (d) at the bottom
  2. 2.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  3. 3.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
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  5. 5.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Profile
  7. 7.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Badges”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Badges
  9. 9.🧭 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. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Score card”
    4. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Search (c) Video (d) Home
  12. 12.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Me (c) Quiz (d) Lessons
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Score card (d) Chat
  15. 15.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) hides extra links (d) goes to the last screen
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Badges”
    4. tap the Quiz tab
    5. open “Video”
    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 “Match report”
    2. open “Help page”
    3. open “Friend list”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Map (d) Video
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) switches main sections
  24. 24.Which of these is true of a menu button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) switches main sections
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Home tab
    4. tap the Search tab
    5. open “Map”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Map
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Video”
    4. open “Help page”
    5. tap the Chat 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. open “Video”
    2. tap Back
    3. tap the Settings tab
    4. open “Match report”
    Which screen are you on now?     (a) Chat (b) Video (c) Match report (d) Feed
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. tap the Chat tab
    5. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Match report (d) Score card
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Friend list
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Video (d) Map
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap Back
    4. tap the Settings tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. open “Video”
    5. tap Back
    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. tap the Me tab
    2. tap the Quiz tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me
  40. 40.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button

Answer key

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

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