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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 653 · 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.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. tap the Feed tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Quiz tab
    4. open “Friend list”
    5. tap the Quiz tab
    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. tap the Lessons tab
    2. open “Help page”
    3. tap the Me tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Me (d) Help page
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap Back
    4. tap the Me tab
    5. open “Badges”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Badges (d) Quiz
  8. 8.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  9. 9.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap the Profile tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Score card”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Friend list
  17. 17.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    4. tap the Feed tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  20. 20.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Lessons (d) Map
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Chat (d) Match report
  23. 23.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
  24. 24.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap the Feed tab
    Which screen are you on now?     (a) Video (b) Settings (c) Chat (d) Feed
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Search (d) Home
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap the Me tab
    4. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Video (c) Lessons (d) Score card
  28. 28.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  29. 29.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Badges (d) Video
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Settings tab
    4. tap the Settings tab
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Chat (d) Edit photo
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Video”
    4. open “Help page”
    Which screen are you on now?     (a) Video (b) Lessons (c) Quiz (d) Help page
  33. 33.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Friend list”
    4. open “Badges”
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Friend list (c) Badges (d) Edit photo
  35. 35.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Badges”
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Match report (b) Quiz (c) Badges (d) Lessons
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Friend list
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Settings tab
    4. open “Score card”
    5. open “Map”
    Which screen are you on now?     (a) Match report (b) Score card (c) Video (d) Map
  39. 39.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Score card”
    Which screen are you on now?     (a) Chat (b) Badges (c) Score card (d) Feed

Answer key

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

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