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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 346 · 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. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Friend list (d) Quiz
  2. 2.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back 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 Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Chat tab
    4. tap the Settings tab
    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 “Badges”
    2. tap the Chat tab
    3. open “Edit photo”
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Edit photo (d) Badges
  7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) sits at the bottom (d) opens a list of pages
  11. 11.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) switches main sections
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Search tab
    5. open “Friend list”
    Which screen are you on now?     (a) Search (b) Home (c) Help page (d) Friend list
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. tap the Settings tab
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Video (c) Chat (d) Help page
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Score card (c) Search (d) Home
  16. 16.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Video (c) Home (d) Match report
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Map”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 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”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Quiz (d) Lessons
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Match report
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. tap Back
    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. tap the Me tab
    2. open “Badges”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Me tab
    4. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Badges
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Edit photo
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Score card”
    Which screen are you on now?     (a) Settings (b) Score card (c) Feed (d) Chat
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Score card (d) Map
  34. 34.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  35. 35.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  36. 36.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) switches main sections
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. open “Edit photo”
    5. open “Match report”
    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. tap the Me tab
    2. open “Edit photo”
    3. open “Edit photo”
    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 Quiz tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Edit photo
  40. 40.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) that tab’s main screen (d) the last app used

Answer key

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

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