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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 274 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
  3. 3.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  4. 4.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  5. 5.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  6. 6.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) goes to the last screen (d) undoes one move
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  9. 9.🧭 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 Back
    5. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Feed (d) Friend list
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Map”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to use more battery (d) to look busy
  12. 12.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Search tab
    Which screen are you on now?     (a) Badges (b) Home (c) Edit photo (d) Search
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Badges”
    5. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Badges
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Score card (d) Lessons
  17. 17.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) switches main sections (d) undoes one move
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Map (c) Lessons (d) Match report
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Profile tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Badges (d) Search
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Home (c) Badges (d) Profile
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Settings (b) Edit photo (c) Feed (d) Map
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Score card”
    4. tap the Feed tab
    5. open “Match report”
    Which screen are you on now?     (a) Score card (b) Feed (c) Chat (d) Match report
  27. 27.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap the Chat tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Feed (d) Chat
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Score card (c) Home (d) Search
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Badges”
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Me
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Video”
    4. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Video (c) Home (d) Profile
  34. 34.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap the Me tab
    4. open “Video”
    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. open “Help page”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Help page (d) Lessons
  38. 38.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. tap the Chat tab
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Badges (d) Score card

Answer key

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

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