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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 298 · 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.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) shows 3 to 5 icons (d) undoes one move
  2. 2.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
  3. 3.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Help page”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) undoes one move
  7. 7.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Search tab
    4. open “Score card”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. open “Help page”
    4. open “Match report”
    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 Home tab
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Help page”
    3. open “Edit photo”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Video”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Feed (c) Chat (d) Video
  15. 15.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Me
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Help page”
    3. open “Map”
    4. tap the Home tab
    5. open “Score card”
    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. open “Badges”
    2. tap the Me tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Me (b) Map (c) Badges (d) Lessons
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Match report”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Video (c) Chat (d) Match report
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Edit photo
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. open “Map”
    5. open “Help page”
    Which screen are you on now?     (a) Match report (b) Help page (c) Map (d) Video
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Score card”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Badges”
    4. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Video (c) Lessons (d) Friend list
  28. 28.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.Which of these is true of the back button? (a) shows 3 to 5 icons (b) opens a list of pages (c) hides extra links (d) goes to the last screen
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap Back
    4. open “Help page”
    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) opens a list of pages (b) sits at the bottom (c) hides extra links (d) undoes one move
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Feed tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Help page (c) Settings (d) Feed
  36. 36.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Friend list
  40. 40.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) sits at the bottom

Answer key

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

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