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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 270 · 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 Back
    3. open “Video”
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Quiz (c) Friend list (d) Lessons
  2. 2.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. tap Back
    4. tap the Me tab
    5. open “Video”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Video (d) Map
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Video
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Score card (d) Quiz
  6. 6.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) to use more battery (d) so users do not get lost
  7. 7.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Quiz tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  10. 10.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Help page”
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Badges (c) Score card (d) Help page
  12. 12.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap Back
    4. open “Score card”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Edit photo
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Badges”
    3. tap Back
    4. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Badges (c) Quiz (d) Lessons
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Search tab
    4. open “Video”
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Video (c) Friend list (d) Home
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. tap the Chat tab
    Which screen are you on now?     (a) Badges (b) Settings (c) Chat (d) Feed
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Profile tab
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Home (c) Friend list (d) Search
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Search tab
    4. open “Score card”
    5. open “Score card”
    Which screen are you on now?     (a) Search (b) Video (c) Score card (d) Home
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Badges”
    4. open “Map”
    5. tap the Feed tab
    Which screen are you on now?     (a) Score card (b) Feed (c) Map (d) Badges
  21. 21.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) the last app used (d) a random page
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Edit photo (d) Quiz
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Help page
  24. 24.🧭 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 Feed tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Badges (d) Feed
  25. 25.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    5. tap the Feed tab
    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. tap the Profile tab
    2. open “Map”
    3. tap the Home tab
    4. tap the Search tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Score card”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  30. 30.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Edit photo
  32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) sits at the bottom
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Quiz tab
    4. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Quiz (c) Friend list (d) Lessons
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Map”
    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 “Edit photo”
    2. open “Map”
    3. open “Help page”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) goes to the last screen (d) sits at the bottom
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) undoes one move (d) sits at the bottom

Answer key

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

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